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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：700% @ 1mA
- Current Transfer Ratio (Max)：3400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：100µs, 100µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：40V
- Current - Output / Channel：200mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The CEL PS2502L-1-L-A is a single-channel transistor output optocoupler featuring an NPN silicon Darlington phototransistor paired with a GaAs infrared LED. It provides high isolation voltage of 5000 Vrms and a typical current transfer ratio of 2000%. The device supports a maximum forward current of 80 mA, collector-emitter voltage of 40 V, and collector current of 200 mA. Operating temperature ranges from -55°C to +100°C, with power dissipation at 200 mW.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Darlington output configuration ensures high current transfer efficiency
- Surface mount Gull-wing package design facilitates automated PCB assembly
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal interface between microcontrollers and high-voltage loads
Procurement Notes
Verify the specific suffix 'L-A' against official datasheets to confirm lead bending type and tape/reel packaging specifications. Ensure compatibility with RoHS directives if required by the target application. Cross-reference manufacturer part numbers as Renesas Electronics may hold related intellectual property or distribution rights for this component family.
Selection Notes
Select this component when high current gain is necessary without external amplification. The Darlington structure offers superior CTR compared to standard phototransistors. Verify that the 40V collector voltage meets the load requirements. Consider the 100µs switching speed limitations for high-frequency applications where faster optocouplers might be more appropriate.
Part Context
This component belongs to the PS2502L series of high-isolation voltage Darlington output optocouplers. Originally developed by NEC (now Renesas), these devices are widely used in industrial applications. The 'L' designation indicates the surface mount Gull-wing package variant, distinguishing it from the through-hole DIP versions within the same electrical specification family.
Replacement Considerations
Direct substitutes include PS2502L-1-E3, PS2502L-1-F3, and PS2502L-1-K-A from Renesas/CEL. These variants share identical electrical characteristics but differ in packaging quantity or terminal finish. Verify pinout compatibility before substitution.
