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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Strip
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：150% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：40V
- Current - Output / Channel：80mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 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-SOP
- Grade：-
- Qualification：-
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Overview
The PS2701-1-M-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and operates in a 4-pin SOP package. The device provides high isolation voltage of 3750 Vrms. Key electrical parameters include a minimum current transfer ratio of 50% and a maximum of 300%. The forward current is rated at 5 mA with a forward voltage of 1.1 V. Maximum collector-emitter voltage is 40 V, and maximum collector current is 80 mA. The saturation voltage is 300 mV, with a typical rise time of 3 µs.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Compact SOP surface-mount package design for space-constrained applications
- High-speed switching performance suitable for rapid signal processing
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops for voltage regulation
- Microcontroller input/output isolation interfaces
Procurement Notes
Verify the specific suffix -M-A against official Renesas documentation to confirm pinout and packaging details. Confirm end-of-life status as some variants are marked NRND. Ensure compatibility with existing PCB footprint designs before procurement. Check for RoHS compliance requirements relevant to the target market.
Selection Notes
Select this component when high isolation voltage and compact size are required. Compare current transfer ratio ranges against load requirements. Verify that the 40 V collector-emitter voltage meets circuit operating conditions. Consider the SOP-4 package constraints for thermal management and assembly processes.
Part Context
This part belongs to the PS2701 series of transistor output optocouplers from Renesas. The series is designed for general-purpose isolation applications. Variants differ primarily in packaging suffixes and specific electrical tolerances. The PS2701-1 variant specifically denotes a single-channel configuration within this family.
Replacement Considerations
Check for direct substitutes within the PS2701A series if higher voltage ratings are needed. Verify pin-to-pin compatibility with alternative manufacturers' SOP-4 optocouplers. Ensure replacement parts meet the same 3750 Vrms isolation requirement.
