S Series (SMD Type)

S系列CRD定电流二极管

产品特点：CRD的作用是在电源电压或周附载阻抗波动的时候给电路提供稳定的电流。
CRD用于稳定和限制电流。

适用范围：照明亮度安定用的电流供应，LED照明，LED电灯泡，定电流供应电压电路，
接近传感器等，各种传感器的电流供应，蓄电池充电放电电路，电解电容器的通
电老化装置，各种半导体的定电流检测装置，通信线路的，漏电断路器。

CRD S series products are surface mount devices that come in resin-sealed SMD package.

– Added the S-183 (18 mA) targeted for high brightness LEDs to our lineup
-Rated power increased to 500 mW, to expand voltage range and improve constant current characteristics
– Lowered mounting height, facilitating use in low profile products
– About the same height as the latest low profile LEDs so that when mounted next to each other, light will not be blocked off

18mA CRD (S-183)
With the addition of an 18mA CRD to our product lineup (from 15mA), it is now possible to supply constant current to 20mA high brightness LEDs for luminance stabilization.

Applications

- Constant current source for LED brightness stabilization
- LED street lights, LED fluorescent lamps, LED light bulbs, LED downlights
- Constant voltage circuit for supplying constant current to Zener diodes
- Constant current source for proximity sensors and other sensors
- Battery charge / discharge circuits
- Electrolytic capacitor aging equipment
- Constant current test equipment for various semiconductor devices
- Telecommunications line interface
- Earth leakage circuit breakers
- Current source for piezoelectric actuators
- Stabilized power supply circuits

Rating

(Ambient temperature: 25 ±3℃, 45~75% relative humidity)

Item	Condition	Rating
Rated power	See drawing below	500mW
Rated voltage (pulse wave)	−	100V(S101T～562T)
Rated voltage (pulse wave)	−	50V(S822T～183T)
Allowable Reverse current	−	50mA
Junction temperature	−	150℃
Operating temperature range	−	-40℃～+150℃

Mounting

Mount Pad dimenions

Specifications

Part No.	Pinch-off current lp (mA)¹ Test voltage V = 10(V)		Limiting current²		Limiting current ratio	Temperature coefficient (25℃ to 50℃)	Max rated voltage
Part No.	typical	min - max	Vk [V]	Ik [mA]	I100Ｖ/Ip I30Ｖ/Ip	[％/℃]	Ｖmax. [V]
S-101T	0.10	0.05～ 0.2	0.5	min.0.8 lp	max.1.1	＋2.10～＋0.10	100
S-301T	0.30	0.20～ 0.4	0.8	min.0.8 lp	max.1.1	＋0.40～－0.20	100
S-501T	0.50	0.40～ 0.6	1.1	min.0.8 lp	max.1.1	＋0.15～－0.25	100
S-701T	0.70	0.60～ 0.9	1.4	min.0.8 lp	max.1.1	0.00～－0.32	100
S-102T	1.00	0.88～ 1.3	1.7	min.0.8 lp	max.1.1	－0.10～－0.37	100
S-152T	1.50	1.28～ 1.7	2.0	min.0.8 lp	max.1.1	－0.13～－0.40	100
S-202T	2.00	1.68～ 2.3	2.3	min.0.8 lp	max.1.1	－0.15～－0.42	100
S-272T	2.70	2.28～ 3.1	2.7	min.0.8 lp	max.1.1	－0.18～－0.45	100
S-352T	3.50	3.00～ 4.1	3.2	min.0.8 lp	max.1.1	－0.20～－0.47	100
S-452T	4.50	3.90～ 5.1	3.7	min.0.8 lp	max.1.1	－0.22～－0.50	100
S-562T	5.60	5.00～ 6.5	4.5	min.0.8 lp	max.1.1	－0.25～－0.53	100
S-822T	8.20	6.56～ 9.8	3.1	min.0.8 lp	max.1.0	－0.25～－0.45	50
S-103T	10.0	8.00～12.4	3.5	min.0.8 lp	³ max.1.0	－0.25～－0.45	50
S-123T	12.0	9.60～14.4	3.8	min.0.8 lp	max.1.0 ³	－0.25～－0.45	50
S-153T	15.0	12.0～18.0	4.3	min.0.8 lp	max.1.0 ³	－0.25～－0.45	50
S-183T	18.0	16.0～20.0	4.6	min.0.8 lp	※3 max.1.0	－0.25～－0.45	40

^{1, 2}Temperature coefficient is measured at 25℃
³I30V/IP

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