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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：NEPOC
- Mfr：CEL
- Package：Bulk
- 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)：40 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The PS2561BL1-1-W-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN silicon phototransistor and a GaAs LED, housed in a DIP-4 package with gull-wing leads designed for surface mount applications. The device provides high isolation voltage of 5000 Vrms and supports an operating ambient temperature range from -55°C to +110°C. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a typical current transfer ratio of 200%, and a maximum power dissipation of 150 mW.
Feature Summary
- High isolation voltage capability of 5000 Vrms for reliable signal transmission across isolated circuits
- Extended operating ambient temperature range up to 110°C suitable for demanding environments
- Surface mount gull-wing lead configuration designed for long creepage distance requirements
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal transmission between microcontrollers and high-voltage circuits
Procurement Notes
Verify the specific suffix 'W-A' against the manufacturer's latest datasheet to confirm lead-free compliance and packaging details. Confirm availability status as some variants may be subject to discontinuation or limited stock. Ensure the ordering part number matches the required creepage distance specifications for your PCB layout.
Selection Notes
Select this component when surface mount assembly is required alongside high isolation voltage needs. The gull-wing package facilitates automated placement while maintaining safety clearance standards. Consider the 110°C temperature rating if the application operates in high-heat environments compared to standard 75°C rated alternatives.
Part Context
This part belongs to the PS2561B series of photocouplers, which includes various package options such as standard DIP and surface mount variants. The BL1-1 designation specifically indicates the lead bending type for long creepage distance in a surface mount format. This series is widely used in industrial and consumer electronics for signal isolation.
Replacement Considerations
Direct substitutes within the same family include PS2561BL-1-A and PS2561BL2-1. Verify pinout compatibility and creepage distance requirements before substitution. Cross-manufacturer equivalents may require verification of CTR and isolation voltage ratings.
