E Series (Axial Lead Type)

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。

Applications

CRDs offer a compact and reliable solution for keeping the current constant.
The CRD E series products come in the DO-35 style package with DHD (double heat sink diode) construction
– Hermetically sealed, high reliability package
– Suitable for mass production due to lower cost materials
– Compact device offered in the DO-35 (300 mW) package

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

- 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	300mW
Rated voltage (pulse wave)	−	100V(E-101〜E-562)
Rated voltage (pulse wave)	−	50V(E-822〜-E183)
Allowable Reverse current	−	50mA
Junction temperature	−	150℃
Operating temperature range	−	-30℃〜150℃

Mounting

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	Marking
Part No.	typical	min - max	Vk [V]	Ik [mA]	I100Ｖ/Ip I30Ｖ/Ip	[％/℃]	Ｖmax. [V]	Marking
E-101	0.10	0.05～0.21	0.5	min.0.8 lp	max.1.1	+2.10～+0.10	100	01
E-301	0.30	0.20～0.42	0.8	min.0.8 lp	max.1.1	+0.40～-0.20	100	03
E-501	0.50	0.40～0.63	1.1	min.0.8 lp	max.1.1	+0.15～-0.25	100	05
E-701	0.70	0.60～0.92	1.4	min.0.8 lp	max.1.1	0.00～-0.32	100	07
E-102	1.00	0.88～1.32	1.7	min.0.8 lp	max.1.1	-0.10～-0.37	100	10
E-152	1.50	1.28～1.72	2.0	min.0.8 lp	max.1.1	-0.13～-0.40	100	15
E-202	2.00	1.68～2.32	2.3	min.0.8 lp	max.1.1	-0.15～-0.42	100	20
E-272	2.70	2.28～3.10	2.7	min.0.8 lp	max.1.1	-0.18～-0.45	100	27
E-352	3.50	3.00～4.10	3.2	min.0.8 lp	max.1.1	-0.20～-0.47	100	35
E-452	4.50	3.90～5.10	3.7	min.0.8 lp	max.1.1	-0.22～-0.50	100	45
E-562	5.60	5.00～6.50	4.5	min.0.8 lp	max.1.1	-0.25～-0.53	100	56
E-822	8.20	6.56～9.84	3.1	min.0.8 lp	³max.1.0	-0.25～-0.45	30	82
E-103	10.00	8.00～12.0	3.5	min.0.8 lp	³max.1.0	-0.25～-0.45	30	10
E-123	12.00	9.60～14.4	3.8	min.0.8 lp	³max.1.0	-0.25～-0.45	30	12
E-153	15.00	12.0～18.0	4.3	min.0.8 lp	³max.1.0	-0.25～-0.45	25	15
E-183	18.00	16.0～20.0	4.6	min.0.8 lp	³max.1.0	-0.25～-0.45	25	18

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

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