Philips Semiconductors - Discretes - Concise Catalog 2000



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End of Life information

Available models for BFQ18A
• Download all models of BFQ18A
• common emitter, 10V, 20mA
• common emitter, 10V, 30mA
• common emitter, 10V, 50mA
• common emitter, 10V, 70mA
• common emitter, 10V, 100mA
• Typical SPICE parameters

Model of BFQ18A (date: 17-1-00)

common emitter, 10V, 20mA

Simulation Values

! Filename:       BFQ18AA.S2P                                Version:   2.0
! Philips part #: BFQ18A                                     Date: May 1990
! Bias condition: Vce=10V, Ic=20mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .620  -37.6  18.879  143.9    .025   66.3    .793  -29.4 !    31.9
  100    .516  -81.4  13.207  123.7    .046   58.4    .572  -43.6 !    25.5
  200    .416 -125.1   8.160  104.7    .068   57.1    .388  -54.2 !    19.8
  300    .413 -153.4   5.721   92.0    .084   60.3    .309  -58.8 !    16.4
  400    .423 -168.6   4.371   84.0    .101   62.6    .272  -62.4 !    14.0
  500    .442 -177.0   3.551   78.1    .120   65.4    .252  -65.8 !    12.2
  600    .449  177.0   2.999   73.7    .141   67.6    .239  -69.2 !    10.8
  700    .458  171.5   2.621   68.7    .160   69.2    .238  -72.6 !     9.6
  800    .475  166.8   2.338   64.9    .183   69.8    .239  -76.8 !     8.7
  900    .485  161.5   2.147   60.6    .205   69.4    .248  -81.2 !     8.1
 1000    .485  157.1   1.965   57.0    .227   69.2    .252  -86.0 !     7.3
 1200    .524  146.4   1.694   49.3    .270   68.7    .266  -96.2 !     6.3
 1400    .563  138.5   1.488   43.8    .317   68.0    .279 -106.7 !     5.5
 1600    .575  132.1   1.350   38.0    .364   64.7    .287 -110.0 !     4.7
 1800    .589  125.2   1.268   34.2    .403   63.1    .330 -119.3 !     4.4
 2000    .661  119.7   1.198   28.5    .450   60.6    .353 -129.1 !     4.6
 2200    .694  115.5   1.111   26.5    .492   58.5    .383 -137.7 !     4.5
 2400    .692  110.7   1.054   22.9    .534   54.9    .419 -145.0 !     4.1
 2600    .683  106.7    .970   19.7    .559   52.1    .442 -150.0 !     3.4
 2800    .693  103.3    .955   16.8    .592   49.9    .471 -154.7 !     3.5
 3000    .697   97.7    .928   14.2    .629   46.8    .497 -160.6 !     3.5

View this model

Model of BFQ18A (date: 17-1-00)

common emitter, 10V, 30mA

Simulation Values

! Filename:       BFQ18AB.S2P                                Version:   2.0
! Philips part #: BFQ18A                                     Date: May 1990
! Bias condition: Vce=10V, Ic=30mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .594  -40.6  21.343  142.8    .025   66.8    .786  -32.1 !    32.7
  100    .489  -84.1  14.231  122.3    .045   59.2    .534  -48.5 !    25.7
  200    .393 -126.6   8.707  104.0    .068   59.2    .353  -60.3 !    20.1
  300    .388 -153.6   6.078   92.0    .087   62.6    .276  -66.3 !    16.7
  400    .388 -169.6   4.645   84.3    .105   64.8    .238  -70.8 !    14.3
  500    .427 -178.3   3.777   78.7    .126   66.2    .218  -74.8 !    12.6
  600    .419  176.2   3.194   74.6    .148   68.1    .204  -78.7 !    11.1
  700    .439  170.8   2.782   69.5    .168   69.0    .202  -81.8 !    10.0
  800    .455  166.1   2.492   66.2    .192   68.7    .204  -85.6 !     9.1
  900    .435  161.3   2.281   61.8    .214   68.3    .211  -89.7 !     8.3
 1000    .462  158.8   2.091   58.5    .236   67.7    .217  -94.1 !     7.7
 1200    .495  146.7   1.789   51.0    .278   66.6    .232 -103.8 !     6.5
 1400    .532  139.4   1.588   45.2    .324   65.6    .245 -113.9 !     5.7
 1600    .557  132.8   1.435   39.0    .367   62.3    .250 -115.7 !     5.0
 1800    .580  125.2   1.351   35.8    .405   60.8    .294 -124.8 !     4.8
 2000    .625  122.0   1.262   30.2    .449   58.8    .316 -133.1 !     4.6
 2200    .643  117.9   1.178   26.7    .486   56.8    .348 -141.5 !     4.3
 2400    .663  111.4   1.114   23.8    .528   53.7    .385 -147.7 !     4.1
 2600    .674  109.0   1.027   19.7    .550   50.7    .410 -152.5 !     3.7
 2800    .683  105.8   1.013   16.4    .583   48.8    .441 -156.5 !     3.8
 3000    .692   98.8    .996   12.8    .619   46.0    .469 -162.3 !     3.9

View this model

Model of BFQ18A (date: 17-1-00)

common emitter, 10V, 50mA

Simulation Values

! Filename:       BFQ18AC.S2P                                Version:   2.0
! Philips part #: BFQ18A                                     Date: May 1990
! Bias condition: Vce=10V, Ic=50mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .619  -49.3  25.743  144.2    .027   67.4    .827  -32.5 !    35.3
  100    .453  -96.1  15.810  117.7    .046   55.6    .529  -56.9 !    26.4
  200    .376 -134.5   9.077  101.5    .067   58.4    .319  -70.0 !    20.3
  300    .376 -157.7   6.300   91.1    .088   62.7    .244  -75.8 !    16.9
  400    .383 -171.6   4.839   84.2    .108   65.0    .212  -80.8 !    14.6
  500    .403 -178.6   3.931   78.8    .129   66.3    .195  -85.7 !    12.8
  600    .411  175.2   3.337   75.0    .151   67.4    .184  -90.6 !    11.4
  700    .414  170.9   2.902   70.0    .174   67.9    .180  -94.2 !    10.2
  800    .432  166.0   2.594   66.6    .197   67.8    .182  -98.4 !     9.3
  900    .419  160.2   2.375   62.5    .220   67.0    .188 -102.0 !     8.5
 1000    .433  157.3   2.179   59.4    .242   66.2    .193 -106.3 !     7.8
 1200    .463  146.1   1.868   52.0    .282   64.8    .208 -114.6 !     6.7
 1400    .512  140.0   1.663   46.8    .328   63.6    .224 -123.7 !     6.0
 1600    .539  132.6   1.488   40.6    .369   60.1    .225 -124.8 !     5.2
 1800    .542  124.0   1.409   37.1    .405   58.8    .270 -131.1 !     4.8
 2000    .584  121.1   1.326   31.3    .445   56.9    .294 -139.7 !     4.7
 2200    .633  118.6   1.231   27.9    .482   55.1    .327 -146.6 !     4.5
 2400    .651  112.4   1.175   24.2    .519   52.0    .363 -152.0 !     4.4
 2600    .645  109.6   1.076   19.1    .541   49.4    .387 -156.2 !     3.7
 2800    .661  106.9   1.058   16.5    .569   47.6    .418 -159.6 !     3.8
 3000    .686   99.8   1.028   13.0    .604   44.8    .445 -164.8 !     4.0

View this model

Model of BFQ18A (date: 17-1-00)

common emitter, 10V, 70mA

Simulation Values

! Filename:       BFQ18AD.S2P                                Version:   2.0
! Philips part #: BFQ18A                                     Date: May 1990
! Bias condition: Vce=10V, Ic=70mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .662  -52.5  26.992  145.0    .027   66.2    .820  -33.6 !    36.0
  100    .501 -100.6  16.740  117.6    .047   57.3    .520  -58.9 !    27.1
  200    .412 -138.5   9.406   99.6    .068   58.4    .312  -74.2 !    20.7
  300    .394 -157.1   6.497   90.6    .089   62.5    .235  -81.8 !    17.2
  400    .394 -169.1   4.940   84.1    .110   64.9    .202  -87.6 !    14.8
  500    .398 -178.2   4.020   78.8    .132   66.1    .185  -92.2 !    13.0
  600    .400  175.3   3.402   74.0    .154   66.9    .177  -96.7 !    11.5
  700    .403  168.3   2.961   69.9    .176   66.8    .174 -101.2 !    10.3
  800    .408  162.3   2.639   65.9    .199   66.6    .176 -105.3 !     9.4
  900    .419  157.4   2.380   62.1    .221   65.9    .180 -110.4 !     8.5
 1000    .433  152.0   2.171   58.7    .242   65.5    .185 -114.4 !     7.8
 1200    .465  144.3   1.867   52.3    .284   64.2    .200 -122.6 !     6.7
 1400    .498  138.0   1.666   45.9    .328   62.0    .218 -130.6 !     5.9
 1600    .514  131.9   1.500   40.8    .373   59.8    .214 -130.9 !     5.1
 1800    .531  123.3   1.389   36.9    .403   58.7    .263 -136.3 !     4.6
 2000    .544  119.1   1.304   31.6    .443   56.0    .285 -147.5 !     4.2
 2200    .591  114.5   1.224   27.8    .480   53.7    .319 -152.7 !     4.1
 2400    .615  111.4   1.145   23.8    .515   50.9    .355 -159.0 !     3.8
 2600    .637  107.7   1.066   20.4    .534   48.2    .380 -163.4 !     3.5
 2800    .637  102.9   1.032   16.8    .566   46.4    .411 -166.4 !     3.3
 3000    .652   98.5    .984   13.8    .598   43.3    .436 -171.0 !     3.2

View this model

Model of BFQ18A (date: 17-1-00)

common emitter, 10V, 100mA

Simulation Values

! Filename:       BFQ18AE.S2P                                Version:   2.0
! Philips part #: BFQ18A                                     Date: May 1990
! Bias condition: Vce=10V, Ic=100mA
!
#  MHz  S  MA  R  50
! Freq       S11            S21            S12            S22     !GUM [dB]
   40    .643  -49.9  26.561  143.3    .027   68.3    .807  -34.2 !    35.4
  100    .464  -96.0  16.118  116.8    .047   57.0    .509  -59.1 !    26.5
  200    .362 -135.8   9.205  100.8    .069   59.2    .304  -73.3 !    20.3
  300    .362 -157.6   6.337   90.5    .090   63.1    .231  -80.3 !    16.9
  400    .374 -172.5   4.851   83.9    .112   65.6    .199  -85.8 !    14.5
  500    .391 -177.8   3.946   78.7    .135   66.5    .184  -91.5 !    12.8
  600    .391  176.3   3.342   74.8    .158   67.0    .172  -96.5 !    11.3
  700    .393  171.4   2.915   69.9    .181   67.6    .168 -100.4 !    10.1
  800    .407  165.7   2.597   66.5    .205   67.0    .169 -104.5 !     9.2
  900    .407  160.4   2.383   62.8    .229   66.1    .174 -108.0 !     8.5
 1000    .417  157.7   2.181   59.5    .250   65.4    .178 -111.9 !     7.7
 1200    .458  145.8   1.880   52.5    .292   63.9    .194 -120.2 !     6.7
 1400    .499  139.3   1.662   47.3    .337   62.4    .210 -128.5 !     5.9
 1600    .513  132.1   1.504   40.0    .378   58.1    .204 -134.5 !     5.1
 1800    .531  125.3   1.418   37.2    .410   57.6    .244 -135.6 !     4.7
 2000    .579  121.3   1.333   32.2    .453   55.4    .274 -143.6 !     4.6
 2200    .619  117.5   1.252   29.1    .489   53.7    .307 -150.4 !     4.5
 2400    .626  113.0   1.182   24.7    .525   50.8    .344 -155.5 !     4.2
 2600    .638  110.5   1.088   20.0    .545   48.1    .366 -159.4 !     3.6
 2800    .645  106.5   1.057   16.4    .575   46.7    .397 -162.4 !     3.6
 3000    .672  101.6   1.048   14.0    .609   43.7    .427 -167.2 !     3.9

View this model

Model of BFQ18A (date: 17-1-00)

Typical SPICE parameters

Simulation Values

* BFQ18A SPICE MODEL
* PHILIPS SEMICONDUCTORS
* Date : September 1995
*
* PACKAGE : SOT89 DIE MODEL : BFQ34
* 1: COLLECTOR; 2: BASE; 3: EMITTER
.SUBCKT BFQ18A 1 2 3
Q1 6 5 7 7 BFQ34
* SOT89 parasitic model
               Lb  4 5 1.2n 
               Le  7 8 1.2n
               L1  2 4 1n
               L2  1 6 .01n
               L3  3 8 1n
              Ccb  4 6 150f
              Cbe  4 8 16f
*
* PHILIPS SEMICONDUCTORS                                        Version:    2.0
* Filename:    BFT92.PRM                                        Date: July 1992
*
.MODEL  BFQ34   NPN
+              IS = 4.75483E-015
+              BF = 4.20713E+001
+              NF = 1.00201E+000
+             VAF = 5.04749E+001
+             IKF = 6.45182E+001
+             ISE = 1.64012E-011
+              NE = 2.03356E+000
+              BR = 1.00000E+001
+              NR = 1.00338E+000
+             VAR = 3.88328E+000
+             IKR = 2.00000E-001
+             ISC = 1.85324E-014
+              NC = 1.17439E+000
+              RB = 4.00000E+000
+             IRB = 1.00000E-006
+             RBM = 4.00000E+000
+              RE = 1.04474E+000
+              RC = 2.60000E+000
+              EG = 1.11000E+000
+             XTI = 3.00000E+000
+             CJE = 1.02171E-011
+             VJE = 6.00000E-001
+             MJE = 3.04926E-001
+              TF = 1.93806E-011
+             XTF = 2.80244E-001
+             VTF = 5.00000E-002
+             ITF = 5.89165E-002
+             PTF =-1.00000E+002
+             CJC = 2.90524E-012
+             VJC = 4.06322E-001
.ENDS

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