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
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 | ||
|---|---|---|---|---|---|---|---|
| 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 |
| S-223T | 22.5 | 20.0～25.0 | 5.3 | min.0.8 lp | ※3 max.1.0 | －0.25～－0.45 | 30 |
1, 2Temperature coefficient is measured at 25℃
3I30V/IP
Dimensions
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) |
| 50V(S822T～183T) | ||
| Allowable Reverse current | − | 50mA |
| Junction temperature | − | 150℃ |
| Operating temperature range | − | -40℃～+150℃ |
Mounting
Mount Pad dimensions
CRD S series products are surface mount devices that come in resin-sealed SMD package. Our products have about the same height as the latest low profile LEDs so that when mounted next to each other, light will not be blocked off New (12/2015): 22 mA CRD We have added a 22 mA CRD (S-223T) to our product lineup in order to accommodate high luminance LEDs.
This has become necessary since in the case of high luminance LEDs often two CRDs had to be used. With our new 22 mA (223T) product it is again possible to use just one product for current stabilization. SEMITEC’S CRD E series is fully compliant with RoHS DIRECTIVE2011/65/EU.
