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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：40mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：25 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP
- Grade：-
- Qualification：-
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Overview
The PS2761B-1-V-F3-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and is housed in a 4-pin SOP package. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a maximum collector current of 50 mA, and an isolation voltage of 3750 Vrms. The device operates with a forward current of 5 mA and has a typical current transfer ratio of 100%. It supports a wide operating temperature range from -55°C to +110°C.
Feature Summary
- Provides high-voltage isolation between input and output circuits
- Utilizes a compact surface-mount SOP-4 package for space-efficient designs
- Features fast switching characteristics with 5 µs rise and fall times
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix 'V' against official Renesas documentation to confirm it denotes the correct tape-and-reel packaging variant or specific manufacturing lot code. Ensure the part number matches the exact datasheet revision required for your design. Cross-reference with authorized distributors to confirm current availability status, as supply conditions may vary.
Selection Notes
Select this component when a single-channel isolation solution with a 70 V collector-emitter voltage rating is required. It is suitable for applications needing moderate speed (5 µs) and a standard NPN phototransistor output. Consider the SOP-4 package constraints and the 3750 Vrms isolation capability relative to system safety requirements.
Part Context
This part belongs to the PS2761B series of transistor output optocouplers from Renesas. The series is designed for general-purpose isolation tasks. The specific model indicates a single channel configuration with standard NPN output characteristics, differing from variants that might offer Darlington outputs or different packaging styles.
Replacement Considerations
Check for direct substitutes within the PS2761B family, such as PS2761B-1-F3-L-A, ensuring pinout and electrical ratings match. Verify compatibility with other single-channel SOP-4 optocouplers only if their CTR, voltage ratings, and isolation levels meet or exceed the PS2761B-1-V-F3-A specifications.
