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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 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 PS2581L2-F3-L-A is a Renesas transistor output optocoupler featuring an NPN phototransistor. It provides 5000 Vrms isolation voltage and operates within a -55°C to 100°C temperature range. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum collector current of 50mA, and a typical forward voltage of 1.17V at 10mA input. The device exhibits a rise time of 3µs and a fall time of 5µs. It is housed in a DIP-4 Gull Wing package.
Feature Summary
- Provides high-voltage isolation between input and output circuits for signal transmission.
- Utilizes an NPN phototransistor output configuration for digital switching applications.
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix 'F3-L-A' against official Renesas documentation to confirm pinout and packaging details. Confirm component status as this series may be subject to discontinuation notices. Ensure compatibility with existing PCB footprints and thermal management requirements before procurement.
Selection Notes
Select this component when 5000 Vrms isolation and 50mA collector current are required. Consider the 80V collector-emitter voltage rating for low-voltage logic interfacing. Evaluate the 3µs/5µs switching speeds against system timing constraints. Compare against similar PS2581 variants for package or CTR differences.
Part Context
This part belongs to the PS2581 family of single-channel transistor output optocouplers from Renesas Electronics. The family is designed for general-purpose isolation tasks. Variants within the series differ primarily by output transistor type (phototransistor vs. photodarlington) and packaging options. This specific model represents the standard phototransistor output configuration.
Replacement Considerations
Consult official Renesas cross-reference lists for verified substitutes. Generic equivalents may not match the 5000 Vrms isolation or specific switching characteristics. Verify that any replacement maintains the same DIP-4 Gull Wing footprint and electrical ratings.
