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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：300mV
- 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 PS2561L-1-W-A is a single-channel transistor output optocoupler featuring an NPN phototransistor. It provides high isolation voltage of 5000 Vrms and operates within a temperature range of -55°C to 100°C. The device utilizes a wide lead bending SMD package (4-SMD, gull wing) designed for surface mount applications. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a forward voltage of approximately 1.17 V at 10 mA forward current.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Wide lead bending design facilitates reliable surface mount assembly processes
- Single channel configuration with NPN phototransistor output for digital switching
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops for voltage regulation
- Signal transmission across isolated barriers in measurement equipment
Procurement Notes
Verify the specific suffix 'W-A' against the manufacturer's latest datasheet to confirm pinout compatibility and lead forming specifications. Ensure the component meets required safety certifications such as UL or VDE if used in regulated environments. Confirm availability status as distribution channels may vary by region.
Selection Notes
Select this component when a surface mount solution with wide leads is required for improved mechanical stability during PCB assembly. Consider the 5000 Vrms isolation rating for applications demanding robust barrier protection. Evaluate the 80 V collector-emitter voltage limit to ensure it exceeds the maximum load voltage in the target circuit design.
Part Context
This part belongs to the PS2561 series of high isolation voltage single transistor type multi photocouplers originally developed by NEC and now manufactured by CEL. The series is widely recognized for its reliability in industrial and consumer electronics. The 'L' designation typically indicates lead bend variations, while 'W-A' specifies the wide lead surface mount variant.
Replacement Considerations
Cross-reference with PS2561L-1-V-F3-L-A or PS2561L-1-E3 for similar functionality. Verify pin compatibility and isolation ratings before substitution. Check for updated manufacturing revisions from Renesas or CEL that may affect mechanical dimensions.
