Philips Semiconductors - Discretes - Concise Catalog 2000



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End of Life information

Available models for BFT25A
• Download all models of BFT25A
• Typical spice model for bare die.
• common emitter , 3V, 0.5mA
• common emitter , 3V, 1mA
• common emitter , 3V, 2mA
• common emitter , 1V, 0.1mA
• common emitter , 1V, 0.25mA
• common emitter , 1V, 0.5mA
• common emitter , 1V, 1mA
• common emitter , 1V, 2mA
• common emitter , 3V, 0.1mA
• common emitter , 3V, 0.25mA
• common emitter , 3V, 0.5mA
• Typical SPICE parameters

Model of BFT25A (date: 17-1-00)

Typical spice model for bare die.

Simulation Values

*
* PHILIPS SEMICONDUCTORS                                     Version:   1.0
* Filename:   BFT25A.PRM                                     Date: Feb 1992
*
.MODEL  BFT25A   NPN
+              IS = 1.37749E-017
+              BF = 8.56539E+001
+              NF = 9.79900E-001
+             VAF = 5.08049E+001
+             IKF = 1.00000E+001
+             ISE = 2.19977E-015
+              NE = 1.85715E+000
+              BR = 1.69751E+001
+              NR = 9.85511E-001
+             VAR = 2.49144E+000
+             IKR = 1.88014E-001
+             ISC = 2.05160E-016
+              NC = 1.10731E+000
+              RB = 8.00000E+001
+             IRB = 1.00000E-006
+             RBM = 8.00000E+001
+              RE = 7.91100E+000
+              RC = 5.30000E+000
+              EG = 1.11000E+000
+             XTI = 3.00000E+000
+             CJE = 2.23030E-013
+             VJE = 6.69700E-001
+             MJE = 5.96638E-002
+              TF = 5.11209E-012
+             XTF = 7.90917E+000
+             VTF = 1.33880E+000
+             ITF = 5.66263E-003
+             PTF = 1.53714E+001
+             CJC = 2.29018E-013
+             VJC = 3.94786E-001
+             MJC = 4.33228E-002
+            XCJC = 5.00000E-002
+              TR = 1.32693E-008
+             VJS = 7.50000E-001
+              FC = 9.87824E-001
* Parameters with default value:
* XTB, EG, XTI, CJS, VJS and MJS.
*

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 3V, 0.5mA

Simulation Values

! Filename:       BFT25AH.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=3V, Ic=0.5mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .972   -1.3   1.703  177.5    .008   86.7    .999   -1.2 !    42.7
  100    .971   -3.5   1.702  173.8    .021   86.1    .997   -3.0 !    39.1
  200    .966   -6.8   1.689  168.5    .040   84.7    .992   -5.9 !    34.5
  300    .957  -10.2   1.674  163.0    .060   82.0    .986   -8.9 !    30.8
  400    .945  -13.3   1.650  157.8    .080   80.2    .978  -11.7 !    27.7
  500    .930  -16.4   1.632  152.6    .098   77.7    .969  -14.4 !    25.1
  600    .915  -19.4   1.609  147.7    .115   75.7    .959  -17.0 !    22.9
  700    .894  -22.3   1.578  142.5    .131   74.0    .947  -19.4 !    20.8
  800    .874  -24.7   1.543  137.8    .147   71.8    .934  -21.7 !    19.0
  900    .852  -27.1   1.514  132.9    .161   69.8    .920  -23.9 !    17.3
 1000    .828  -29.2   1.489  128.4    .174   68.1    .903  -25.9 !    15.8
 1200    .777  -33.9   1.435  119.3    .200   64.4    .868  -29.9 !    13.2
 1400    .733  -38.0   1.396  111.7    .224   61.7    .838  -33.7 !    11.5
 1600    .695  -40.7   1.331  105.0    .243   59.3    .811  -36.5 !    10.0
 1800    .650  -43.0   1.282   98.2    .260   57.4    .784  -39.0 !     8.7
 2000    .599  -45.1   1.233   91.3    .273   54.6    .745  -41.2 !     7.3
 2200    .550  -48.0   1.202   85.3    .288   52.3    .706  -44.1 !     6.2
 2400    .515  -50.9   1.182   80.1    .306   50.3    .676  -47.7 !     5.4
 2600    .496  -53.3   1.167   75.5    .322   48.9    .660  -50.7 !     5.1
 2800    .473  -53.1   1.126   71.5    .330   48.0    .646  -52.1 !     4.5
 3000    .435  -52.9   1.086   67.7    .336   47.4    .618  -53.2 !     3.7

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 3V, 1mA

Simulation Values

! Filename:       BFT25AI.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=3V, Ic=1mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .950   -2.1   3.086  176.6    .008   83.9    .997   -1.5 !    41.4
  100    .945   -4.9   3.073  171.9    .020   85.2    .994   -3.8 !    38.3
  200    .931   -9.6   3.021  165.1    .040   83.4    .984   -7.6 !    33.3
  300    .914  -14.0   2.953  158.2    .058   80.5    .970  -11.1 !    29.5
  400    .889  -18.2   2.858  151.6    .077   77.5    .952  -14.5 !    26.2
  500    .859  -21.9   2.766  145.4    .093   75.4    .933  -17.6 !    23.5
  600    .830  -25.6   2.669  139.6    .109   73.4    .913  -20.4 !    21.4
  700    .798  -28.9   2.554  133.8    .123   71.5    .892  -22.8 !    19.5
  800    .767  -31.3   2.438  128.8    .136   69.5    .872  -24.9 !    17.8
  900    .733  -33.7   2.336  123.6    .148   68.1    .851  -26.9 !    16.3
 1000    .701  -35.6   2.247  119.0    .159   66.8    .828  -28.6 !    15.0
 1200    .636  -39.6   2.072  110.1    .181   63.9    .786  -31.9 !    12.8
 1400    .587  -42.9   1.939  102.9    .202   62.4    .753  -35.0 !    11.2
 1600    .551  -44.4   1.789   96.8    .219   60.8    .727  -37.0 !     9.9
 1800    .510  -45.7   1.679   90.8    .237   59.5    .706  -38.8 !     8.8
 2000    .465  -45.9   1.577   84.7    .249   57.4    .672  -40.2 !     7.6
 2200    .420  -48.1   1.505   79.4    .265   56.0    .637  -42.5 !     6.7
 2400    .390  -50.1   1.447   74.9    .284   54.5    .611  -45.7 !     6.0
 2600    .375  -52.6   1.408   70.9    .302   53.2    .599  -48.6 !     5.6
 2800    .361  -51.4   1.337   67.1    .313   52.6    .591  -49.7 !     5.0
 3000    .331  -49.3   1.282   63.9    .321   52.0    .568  -50.4 !     4.4

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 3V, 2mA

Simulation Values

! Filename:       BFT25AJ.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=3V, Ic=2mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .905   -2.9   5.215  175.2    .008   86.7    .994   -2.0 !    40.8
  100    .896   -7.1   5.152  168.8    .020   84.5    .987   -5.1 !    37.2
  200    .868  -13.7   4.955  159.3    .038   81.9    .965   -9.9 !    31.6
  300    .829  -19.6   4.700  150.2    .055   78.2    .935  -14.1 !    27.5
  400    .784  -24.7   4.396  142.0    .072   75.9    .901  -17.8 !    24.3
  500    .736  -28.7   4.105  134.7    .086   73.0    .869  -20.8 !    21.8
  600    .695  -32.5   3.824  128.3    .098   71.6    .838  -23.2 !    19.8
  700    .650  -35.0   3.544  122.3    .111   70.2    .812  -25.2 !    18.0
  800    .615  -37.1   3.287  117.3    .122   69.0    .787  -26.7 !    16.6
  900    .579  -38.9   3.066  112.4    .132   68.3    .766  -28.1 !    15.3
 1000    .545  -40.0   2.884  108.2    .143   67.6    .744  -29.1 !    14.2
 1200    .484  -42.4   2.561  100.2    .163   65.8    .706  -31.4 !    12.3
 1400    .442  -44.1   2.323   93.9    .184   64.8    .679  -33.7 !    11.0
 1600    .417  -44.5   2.099   88.7    .201   63.9    .662  -35.1 !     9.8
 1800    .386  -44.4   1.937   83.5    .220   63.1    .649  -36.6 !     8.8
 2000    .351  -43.0   1.796   78.2    .234   61.4    .624  -37.6 !     7.8
 2200    .317  -44.2   1.692   73.8    .252   59.8    .594  -39.6 !     6.9
 2400    .295  -45.8   1.608   70.0    .273   58.7    .573  -42.6 !     6.3
 2600    .285  -48.6   1.551   66.4    .291   57.4    .564  -45.6 !     5.8
 2800    .279  -46.0   1.466   63.1    .304   56.7    .560  -46.7 !     5.3
 3000    .255  -42.9   1.398   60.4    .315   56.0    .542  -47.3 !     4.7

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 1V, 0.1mA

Simulation Values

! Filename:       BFT25AA.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=1V, Ic=0.1mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .993    -.9    .372  177.4    .009   86.4   1.000    -.9 !    43.9
  100    .992   -2.1    .373  172.8    .022   88.4    .999   -2.2 !    35.5
  200    .989   -4.2    .375  167.4    .043   86.0    .997   -4.4 !    30.7
  300    .987   -6.3    .377  161.3    .063   84.2    .995   -6.6 !    27.8
  400    .984   -8.2    .382  155.2    .084   82.4    .993   -8.9 !    25.5
  500    .978  -10.2    .388  149.8    .105   80.7    .990  -11.0 !    22.6
  600    .975  -12.2    .396  144.5    .124   79.1    .987  -13.1 !    21.0
  700    .969  -14.2    .403  139.1    .143   77.3    .984  -15.1 !    19.2
  800    .960  -16.0    .411  133.9    .161   75.5    .980  -17.1 !    17.3
  900    .952  -17.9    .421  128.6    .179   73.6    .975  -19.1 !    15.8
 1000    .942  -19.6    .435  124.0    .197   71.9    .967  -21.0 !    14.1
 1200    .922  -23.5    .454  114.1    .231   67.8    .950  -24.9 !    11.5
 1400    .899  -27.1    .485  106.9    .264   64.5    .935  -28.8 !     9.9
 1600    .879  -30.1    .500   99.8    .290   61.3    .918  -32.1 !     8.4
 1800    .847  -32.9    .522   93.0    .314   58.3    .898  -35.3 !     7.0
 2000    .811  -35.8    .537   85.9    .332   54.3    .865  -38.5 !     5.3
 2200    .776  -39.3    .562   79.9    .354   50.4    .833  -42.2 !     4.1
 2400    .747  -42.9    .586   74.5    .378   47.2    .807  -46.4 !     3.5
 2600    .729  -45.8    .611   70.4    .398   44.6    .792  -49.9 !     3.3
 2800    .707  -47.2    .612   66.6    .406   42.5    .775  -51.9 !     2.7
 3000    .667  -48.9    .614   62.2    .409   40.4    .743  -54.2 !     1.8

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 1V, 0.25mA

Simulation Values

! Filename:       BFT25AB.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=1V, Ic=0.25mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .986   -1.2    .890  177.8    .009   88.5    .999   -1.0 !    40.8
  100    .983   -2.8    .893  174.1    .022   85.7    .998   -2.5 !    37.1
  200    .980   -5.4    .890  169.3    .043   85.5    .996   -5.1 !    33.6
  300    .976   -8.1    .888  164.3    .063   83.0    .992   -7.6 !    30.1
  400    .967  -10.6    .883  159.1    .084   81.2    .987  -10.2 !    26.8
  500    .960  -13.1    .884  154.2    .104   79.0    .983  -12.6 !    24.7
  600    .953  -15.8    .885  149.6    .122   77.3    .977  -14.9 !    22.7
  700    .941  -18.2    .879  144.6    .141   75.6    .971  -17.2 !    20.8
  800    .929  -20.4    .874  140.1    .158   73.4    .963  -19.3 !    18.8
  900    .911  -22.6    .873  135.1    .174   71.5    .955  -21.4 !    17.1
 1000    .896  -24.7    .875  130.5    .190   69.5    .943  -23.5 !    15.4
 1200    .859  -29.3    .874  121.2    .221   65.5    .916  -27.6 !    12.6
 1400    .825  -33.2    .882  113.7    .250   62.1    .894  -31.6 !    10.8
 1600    .795  -36.6    .870  106.6    .272   59.2    .871  -34.9 !     9.3
 1800    .755  -39.7    .867   99.4    .292   56.3    .846  -38.0 !     7.9
 2000    .707  -42.2    .858   92.1    .305   52.9    .808  -40.7 !     6.3
 2200    .660  -45.7    .864   85.6    .322   49.8    .769  -44.3 !     5.1
 2400    .623  -49.1    .871   80.3    .343   47.2    .740  -48.2 !     4.4
 2600    .602  -52.5    .881   75.3    .359   45.0    .723  -51.5 !     4.1
 2800    .577  -52.8    .861   71.2    .364   43.7    .707  -53.3 !     3.5
 3000    .532  -54.0    .849   67.0    .369   42.3    .674  -55.0 !     2.7

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 1V, 0.5mA

Simulation Values

! Filename:       BFT25AC.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=1V, Ic=0.5mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .971   -1.5   1.706  177.5    .009   85.6    .998   -1.2 !    42.0
  100    .970   -3.7   1.706  173.5    .022   85.9    .997   -3.1 !    38.5
  200    .961   -7.3   1.691  167.9    .042   84.5    .992   -6.1 !    33.6
  300    .953  -10.8   1.676  162.1    .063   81.8    .984   -9.1 !    29.9
  400    .939  -14.2   1.650  156.5    .082   79.4    .975  -12.1 !    26.7
  500    .921  -17.4   1.628  151.1    .101   77.3    .965  -14.9 !    24.1
  600    .905  -20.6   1.604  146.0    .119   75.0    .954  -17.5 !    22.0
  700    .882  -23.7   1.569  140.6    .135   73.1    .942  -19.9 !    20.0
  800    .863  -26.2   1.531  135.7    .151   70.8    .928  -22.2 !    18.2
  900    .836  -28.8   1.499  130.6    .165   69.1    .914  -24.4 !    16.5
 1000    .810  -31.2   1.475  126.0    .179   67.0    .896  -26.4 !    15.1
 1200    .756  -35.8   1.416  116.6    .205   63.3    .859  -30.4 !    12.5
 1400    .709  -40.0   1.372  108.9    .229   60.6    .828  -34.1 !    10.8
 1600    .670  -42.7   1.306  102.2    .247   58.4    .801  -37.0 !     9.4
 1800    .624  -45.2   1.257   95.1    .265   56.4    .775  -39.4 !     8.1
 2000    .573  -46.9   1.210   88.4    .276   53.7    .736  -41.5 !     6.8
 2200    .523  -49.7   1.179   82.4    .292   51.4    .697  -44.4 !     5.7
 2400    .486  -53.0   1.156   77.1    .309   49.5    .669  -48.0 !     5.0
 2600    .465  -55.5   1.143   72.4    .326   48.3    .654  -51.0 !     4.6
 2800    .444  -55.0   1.099   68.4    .334   47.4    .641  -52.5 !     4.1
 3000    .404  -54.2   1.065   64.6    .341   46.8    .612  -53.6 !     3.4

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 1V, 1mA

Simulation Values

! Filename:       BFT25AD.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=1V, Ic=1mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .946   -2.2   3.078  176.5    .009   86.5    .996   -1.6 !    40.6
  100    .940   -5.4   3.067  171.3    .021   85.3    .993   -4.0 !    37.5
  200    .923  -10.6   3.003  163.8    .041   82.7    .981   -7.8 !    32.1
  300    .903  -15.6   2.923  156.3    .061   79.5    .964  -11.5 !    28.2
  400    .873  -19.9   2.815  149.2    .080   76.7    .945  -14.9 !    25.0
  500    .840  -24.1   2.708  142.6    .096   74.5    .924  -18.0 !    22.3
  600    .807  -27.9   2.597  136.5    .111   72.2    .902  -20.7 !    20.2
  700    .772  -31.1   2.472  130.4    .125   70.0    .881  -23.1 !    18.3
  800    .736  -33.6   2.350  125.3    .138   68.5    .859  -25.1 !    16.6
  900    .699  -35.9   2.240  119.9    .150   67.0    .839  -27.0 !    15.2
 1000    .665  -38.0   2.147  115.3    .161   65.6    .817  -28.6 !    14.0
 1200    .599  -41.8   1.966  106.2    .183   63.0    .775  -31.7 !    11.8
 1400    .551  -44.8   1.830   99.0    .204   61.2    .745  -34.6 !    10.3
 1600    .513  -46.3   1.688   92.9    .221   60.2    .721  -36.7 !     9.1
 1800    .472  -47.6   1.580   86.8    .239   59.0    .702  -38.4 !     8.0
 2000    .427  -47.6   1.485   80.8    .252   57.1    .671  -40.0 !     6.9
 2200    .384  -49.2   1.417   75.7    .268   55.4    .637  -42.3 !     6.0
 2400    .354  -51.8   1.360   71.2    .288   54.2    .613  -45.5 !     5.3
 2600    .340  -53.7   1.326   67.1    .306   52.9    .601  -48.5 !     4.9
 2800    .330  -52.0   1.262   63.4    .317   52.2    .595  -49.7 !     4.4
 3000    .299  -50.0   1.208   60.2    .326   51.6    .573  -50.7 !     3.8

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 1V, 2mA

Simulation Values

! Filename:       BFT25AE.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=1V, Ic=2mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .895   -3.4   4.989  174.7    .009   85.4    .987   -2.2 !    37.0
  100    .883   -8.5   4.915  167.0    .021   84.9    .979   -5.4 !    34.1
  200    .844  -16.2   4.662  155.8    .040   80.0    .952  -10.2 !    29.1
  300    .793  -22.7   4.342  145.5    .057   76.1    .917  -14.3 !    25.0
  400    .736  -28.1   3.984  136.5    .073   73.2    .880  -17.7 !    21.9
  500    .682  -32.2   3.657  128.8    .087   71.6    .847  -20.3 !    19.5
  600    .635  -35.8   3.353  122.2    .099   70.2    .818  -22.4 !    17.6
  700    .588  -38.2   3.070  116.1    .111   69.1    .795  -24.0 !    15.9
  800    .551  -39.9   2.821  111.1    .122   68.3    .774  -25.3 !    14.5
  900    .516  -41.0   2.613  106.2    .132   67.6    .756  -26.5 !    13.4
 1000    .483  -42.0   2.445  102.1    .142   66.9    .740  -27.4 !    12.4
 1200    .426  -43.6   2.155   94.3    .163   65.6    .709  -29.5 !    10.6
 1400    .390  -45.0   1.949   88.3    .185   64.7    .689  -32.0 !     9.3
 1600    .369  -45.0   1.763   83.2    .202   63.9    .676  -33.7 !     8.2
 1800    .339  -44.4   1.629   78.0    .221   63.0    .666  -35.4 !     7.3
 2000    .309  -43.2   1.515   72.8    .237   61.5    .644  -36.9 !     6.4
 2200    .276  -43.9   1.432   68.6    .255   60.1    .617  -39.3 !     5.5
 2400    .252  -45.7   1.370   64.9    .275   58.6    .598  -42.6 !     4.9
 2600    .244  -47.9   1.324   61.3    .294   57.3    .590  -45.8 !     4.6
 2800    .238  -45.4   1.257   58.2    .307   56.7    .585  -47.4 !     4.1
 3000    .219  -41.9   1.202   55.3    .319   56.1    .566  -48.4 !     3.5

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 3V, 0.1mA

Simulation Values

! Filename:       BFT25AF.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=3V, Ic=0.1mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .994    -.9    .352  177.4    .009   88.7   1.000    -.9 !    41.7
  100    .993   -2.0    .353  173.1    .021   87.2    .999   -2.2 !    36.4
  200    .991   -4.0    .355  167.6    .041   85.9    .997   -4.3 !    31.2
  300    .991   -6.0    .358  161.4    .061   84.5    .995   -6.4 !    29.1
  400    .987   -7.9    .361  155.7    .082   82.6    .993   -8.6 !    26.0
  500    .982   -9.7    .369  150.3    .101   81.1    .992  -10.7 !    23.6
  600    .978  -11.8    .375  144.8    .120   79.6    .989  -12.7 !    21.5
  700    .972  -13.5    .383  139.5    .139   77.9    .986  -14.7 !    19.9
  800    .967  -15.2    .389  134.3    .156   76.1    .982  -16.6 !    18.0
  900    .958  -17.0    .399  129.1    .173   74.3    .977  -18.5 !    16.4
 1000    .948  -18.7    .410  124.5    .190   72.5    .970  -20.4 !    14.5
 1200    .929  -22.5    .432  115.1    .224   68.6    .954  -24.2 !    11.7
 1400    .908  -25.9    .461  107.9    .257   65.5    .941  -28.0 !    10.2
 1600    .891  -28.9    .476  101.1    .283   62.4    .926  -31.3 !     8.8
 1800    .861  -31.7    .499   93.9    .307   59.4    .907  -34.5 !     7.3
 2000    .826  -34.4    .515   87.0    .325   55.3    .875  -37.5 !     5.5
 2200    .791  -37.7    .541   81.1    .346   51.5    .843  -41.3 !     4.3
 2400    .765  -41.2    .565   76.2    .371   48.5    .819  -45.4 !     3.7
 2600    .751  -44.0    .589   71.6    .392   45.8    .805  -48.8 !     3.5
 2800    .725  -45.3    .592   67.4    .400   43.9    .788  -51.0 !     2.9
 3000    .688  -46.8    .596   63.7    .404   41.5    .756  -53.2 !     2.0

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 3V, 0.25mA

Simulation Values

! Filename:       BFT25AG.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=3V, Ic=0.25mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .987   -1.1    .895  177.8    .008   86.0    .999   -1.0 !    41.6
  100    .987   -2.6    .895  174.3    .021   86.6    .998   -2.5 !    38.7
  200    .982   -5.1    .891  169.7    .041   85.2    .996   -5.0 !    34.5
  300    .980   -7.7    .891  164.8    .060   83.4    .992   -7.4 !    31.3
  400    .972  -10.1    .886  160.0    .081   81.5    .989   -9.9 !    28.1
  500    .964  -12.5    .887  155.3    .100   79.7    .984  -12.3 !    25.5
  600    .955  -14.9    .888  150.7    .118   77.7    .979  -14.6 !    23.4
  700    .946  -17.3    .882  146.0    .136   75.9    .973  -16.8 !    21.4
  800    .934  -19.4    .877  141.5    .153   74.1    .966  -18.9 !    19.5
  900    .920  -21.6    .875  136.7    .168   72.2    .957  -20.9 !    17.8
 1000    .904  -23.6    .878  132.4    .184   70.2    .947  -22.9 !    16.1
 1200    .871  -27.9    .876  123.3    .215   66.3    .921  -27.0 !    13.2
 1400    .838  -31.8    .887  116.0    .242   63.0    .900  -31.0 !    11.5
 1600    .810  -34.9    .872  109.1    .265   60.1    .878  -34.3 !     9.8
 1800    .768  -37.8    .869  101.8    .285   57.5    .854  -37.3 !     8.3
 2000    .726  -40.4    .864   94.6    .299   53.9    .817  -40.1 !     6.8
 2200    .679  -44.0    .868   88.3    .317   50.8    .778  -43.6 !     5.5
 2400    .645  -47.2    .875   82.7    .336   48.1    .749  -47.5 !     4.8
 2600    .622  -50.5    .885   77.9    .353   46.2    .732  -50.9 !     4.4
 2800    .597  -51.1    .868   73.8    .359   44.8    .715  -52.6 !     3.8
 3000    .555  -52.1    .851   69.5    .363   43.4    .682  -54.3 !     2.9

View this model

Model of BFT25A (date: 17-1-00)

common emitter , 3V, 0.5mA

Simulation Values

! Filename:       BFT25AH.S2P                                Version:   2.0
! Philips part #: BFT25A                                     Date: Aug 1990
! Bias condition: Vce=3V, Ic=0.5mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .972   -1.3   1.703  177.5    .008   86.7    .999   -1.2 !    42.7
  100    .971   -3.5   1.702  173.8    .021   86.1    .997   -3.0 !    39.1
  200    .966   -6.8   1.689  168.5    .040   84.7    .992   -5.9 !    34.5
  300    .957  -10.2   1.674  163.0    .060   82.0    .986   -8.9 !    30.8
  400    .945  -13.3   1.650  157.8    .080   80.2    .978  -11.7 !    27.7
  500    .930  -16.4   1.632  152.6    .098   77.7    .969  -14.4 !    25.1
  600    .915  -19.4   1.609  147.7    .115   75.7    .959  -17.0 !    22.9
  700    .894  -22.3   1.578  142.5    .131   74.0    .947  -19.4 !    20.8
  800    .874  -24.7   1.543  137.8    .147   71.8    .934  -21.7 !    19.0
  900    .852  -27.1   1.514  132.9    .161   69.8    .920  -23.9 !    17.3
 1000    .828  -29.2   1.489  128.4    .174   68.1    .903  -25.9 !    15.8
 1200    .777  -33.9   1.435  119.3    .200   64.4    .868  -29.9 !    13.2
 1400    .733  -38.0   1.396  111.7    .224   61.7    .838  -33.7 !    11.5
 1600    .695  -40.7   1.331  105.0    .243   59.3    .811  -36.5 !    10.0
 1800    .650  -43.0   1.282   98.2    .260   57.4    .784  -39.0 !     8.7
 2000    .599  -45.1   1.233   91.3    .273   54.6    .745  -41.2 !     7.3
 2200    .550  -48.0   1.202   85.3    .288   52.3    .706  -44.1 !     6.2
 2400    .515  -50.9   1.182   80.1    .306   50.3    .676  -47.7 !     5.4
 2600    .496  -53.3   1.167   75.5    .322   48.9    .660  -50.7 !     5.1
 2800    .473  -53.1   1.126   71.5    .330   48.0    .646  -52.1 !     4.5
 3000    .435  -52.9   1.086   67.7    .336   47.4    .618  -53.2 !     3.7

View this model

Model of BFT25A (date: 17-1-00)

Typical SPICE parameters

Simulation Values

* BFT25A SPICE MODEL
* PHILIPS SEMICONDUCTORS
* Date : September 1995
*
* PACKAGE : SOT23 DIE MODEL : BFT25A
* 1: COLLECTOR; 2: BASE; 3: EMITTER;
.SUBCKT BFT25A 1 2 3
Q1 6 5 7 7 BFT25A
* SOT23 parasitic model
               Lb  4 5 .4n 
               Le  7 8 .83n
               L1  2 4 .35n
               L2  1 6 .17n
               L3  3 8 .35n
              Ccb  4 6 71f
              Cbe  4 8 2f
              Cce  6 8 71f
*
* PHILIPS SEMICONDUCTORS                                     Version:   1.0
* Filename:   BFT25A.PRM                                     Date: Feb 1992
*
.MODEL  BFT25A   NPN
+              IS = 1.37749E-017
+              BF = 8.56539E+001
+              NF = 9.79900E-001
+             VAF = 5.08049E+001
+             IKF = 1.00000E+001
+             ISE = 2.19977E-015
+              NE = 1.85715E+000
+              BR = 1.69751E+001
+              NR = 9.85511E-001
+             VAR = 2.49144E+000
+             IKR = 1.88014E-001
+             ISC = 2.05160E-016
+              NC = 1.10731E+000
+              RB = 8.00000E+001
+             IRB = 1.00000E-006
+             RBM = 8.00000E+001
+              RE = 7.91100E+000
+              RC = 5.30000E+000
+              EG = 1.11000E+000
+             XTI = 3.00000E+000
+             CJE = 2.23030E-013
+             VJE = 6.69700E-001
+             MJE = 5.96638E-002
+              TF = 5.11209E-012
+             XTF = 7.90917E+000
+             VTF = 1.33880E+000
+             ITF = 5.66263E-003
+             PTF = 1.53714E+001
+             CJC = 2.29018E-013
+             VJC = 3.94786E-001
.ENDS

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