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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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)：8µs, 5µs
- Rise / Fall Time (Typ)：4µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 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-1Y-V-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It integrates a GaAs infrared LED and an NPN silicon phototransistor within a compact SOP-4 package. The device provides high isolation voltage of 3750 Vrms and operates over an extended temperature range from -55°C to +110°C. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a maximum collector current of 50 mA, and a typical current transfer ratio of 100%. Switching characteristics feature rise and fall times of approximately 5 µs, ensuring reliable signal transmission in isolated circuits.
Feature Summary
- High insulation voltage capability for safe circuit isolation
- Extended operating temperature range suitable for harsh environments
- Compact SOP-4 package design for high-density mounting
- Shielded structure to minimize ambient light interference
Applications
- Industrial motor control systems
- Home appliance interface circuits
- Robotics signal isolation
Procurement Notes
Verify the specific suffix 'V' against official Renesas documentation to confirm tape-and-reel packaging specifications. Ensure the component matches the required current transfer ratio binning for your application. Cross-reference the manufacturer date code and RoHS compliance status with the latest datasheet before integration into production designs.
Selection Notes
Select this component when high-speed switching and robust isolation are required in space-constrained designs. The SOP-4 form factor supports automated surface-mount assembly processes. Consider the thermal dissipation limits and ensure the forward current remains within specified ratings to maintain optimal lifetime and performance stability under continuous operation conditions.
Part Context
This part belongs to the PS2761B series of NEC (now Renesas) photocouplers. The series is designed for general-purpose isolation applications requiring small footprint and high reliability. The PS2761B-1 variant specifically denotes a single-channel configuration, distinguishing it from dual-channel counterparts in the same family line.
Replacement Considerations
Direct substitutes may include PS2761B-1-F3-L-A or PS2761B-1Y-F3-A, provided pinout and electrical characteristics align. Verify that alternative packages meet the same isolation voltage and thermal requirements.
