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Product Detailed Parameters
- Description：OPTOISOLTR 5KV 1CH TRANS 4-LSOP
- Series：NEPOC
- Mfr：CEL
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：150% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-40°C ~ 115°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-LSOP (2.54mm)
- Grade：-
- Qualification：-
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Overview
The PS2381-1Y-V-M-AX is a single-channel transistor output optoisolator manufactured by CEL (California Eastern Laboratories). It features an NPN phototransistor output with a maximum collector-emitter voltage of 80 V and a collector current of 50 mA. The device provides high isolation capability with a breakdown voltage of 5,000 Vrms and a minimum isolation distance of 0.4 mm. Electrical characteristics include a forward voltage of 1.1 V at 5 mA forward current, a saturation voltage of 300 mV, and switching times of 4 µs rise and 5 µs fall. It operates within an ambient temperature range up to 115 °C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using a transistor output configuration.
- Designed for reliable operation in environments requiring thermal stability up to 115 °C ambient temperature.
- Utilizes a compact surface-mount package suitable for automated assembly processes.
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal transmission across isolated grounds
Procurement Notes
Verify the manufacturer designation carefully, as this component is associated with both CEL and Renesas Electronics due to corporate acquisitions. Confirm the specific suffix 'V-M-AX' against the official datasheet to ensure correct packaging and tape-and-reel specifications. Check current availability status as distribution may vary between authorized channels.
Selection Notes
Select this component when a robust NPN phototransistor output is required for moderate speed applications. Ensure the 5,000 Vrms isolation rating meets the safety requirements of the application. Verify that the 80 V collector-emitter voltage and 50 mA current capacity are sufficient for the load connected to the output side.
Part Context
This part belongs to the PS2381 series of optoisolators from CEL. The series is characterized by high isolation voltage and small form-factor packages. The PS2381-1Y variant specifically denotes a single channel with NPN output. The product line is widely used in industrial and consumer electronics for signal isolation.
Replacement Considerations
Cross-reference with PS2381-1Y-F3-AX or PS2381-1Y-L-AX for similar performance. Verify pinout compatibility and isolation voltage ratings before substitution. Consult official datasheets for any differences in packaging or thermal characteristics.
