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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)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：AC, 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 PS2705-1-V-F3-A is a single-channel optically coupled isolator manufactured by Renesas Electronics Corporation. It integrates a GaAs infrared LED and an NPN silicon phototransistor within a shielded 4-SOP surface-mount package. The device provides high isolation voltage of 3750Vrms and supports AC input response. Key electrical parameters include a maximum collector-emitter voltage of 40V, a peak forward current of 50mA, and a typical forward voltage of 1.1V. The output transistor handles up to 80mA with a saturation voltage of 300mV. Current transfer ratio ranges from 50% to 300% at 5mA input. Switching characteristics feature typical rise and fall times of 3µs and 5µs respectively. Operating temperature spans -55°C to 100°C.
Feature Summary
- AC input response capability for direct connection to AC signals
- High isolation voltage rating of 3750Vrms for safety compliance
- Shielded SOP package design to block ambient light interference
- High-speed switching performance suitable for data transmission
Applications
- Solid-state relay driver circuits
- Microcontroller interface isolation
- Power supply feedback loops
- Industrial control signal isolation
Procurement Notes
Verify the specific suffix 'V' against official Renesas documentation to confirm if it denotes a variant with distinct electrical ratings or packaging compared to standard PS2705-1 models. Confirm RoHS3 compliance status and check for Not Recommended for New Design (NRND) status in latest datasheets before finalizing procurement plans.
Selection Notes
Select this component when AC input detection is required alongside high isolation voltage. Ensure the 40V collector-emitter voltage and 80mA output current meet load requirements. Verify that the 3µs/5µs switching speeds are sufficient for the application frequency. Compare against PS2705A series if higher voltage ratings like 70V are needed.
Part Context
This part belongs to the PS2705 family of high-isolation voltage photocouplers. The family utilizes GaAs LEDs and NPN phototransistors in compact SOP packages. Variants differ by output type, voltage ratings, and packaging suffixes. The PS2705-1 specifically denotes a single-channel configuration within this lineup designed for density mounting applications.
Replacement Considerations
PS2705-1-F3-A is a documented alternative within the same series. PS2705A-1 offers higher voltage ratings but different switching speeds. Verify pinout compatibility and electrical parameter overlaps before substitution.
