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Product Detailed Parameters
- Description：OPTOISOLTR 3.75KV 1CH DARL 4-SOP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：2000% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：200µs, 200µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：40V
- Current - Output / Channel：200mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- 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 PS2702-1-F3-K-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN photodarlington output and provides an insulation voltage of 3750 Vrms. The device operates within a temperature range of -55°C to +100°C and utilizes a 4-pin SOP surface-mount package. Key electrical specifications include a maximum collector-emitter voltage of 40V, a maximum DC forward current of 50mA, and a typical forward voltage of 1.1V. The component supports RoHS3 compliance and is classified under the NEPOC series.
Feature Summary
- Provides high-voltage isolation with a rated insulation voltage of 3750 Vrms for safe signal transmission between circuits.
- Utilizes an NPN photodarlington output configuration to achieve high current transfer ratios suitable for driving loads directly.
- Designed for surface-mount installation in a compact 4-pin SOP package to facilitate automated PCB assembly.
Applications
- Industrial control systems requiring galvanic isolation
- Solid-state relay (SSR) driver circuits
- Microcontroller interface isolation
Procurement Notes
Verify the specific suffix 'K' against official Renesas documentation to confirm if it denotes a specific tape-and-reel quantity or packaging variant distinct from standard versions. Confirm current lifecycle status as some sources indicate this specific part number may be discontinued or restricted. Ensure compatibility with RoHS3 standards required for your target market before finalizing procurement orders.
Selection Notes
Select this component when high current gain is required from a phototransistor output stage compared to standard phototransistors. The 3750 Vrms isolation rating makes it suitable for applications demanding robust safety barriers. Consider the slower switching speeds inherent to darlington outputs versus standard transistors when designing for high-frequency signal transmission.
Part Context
This component belongs to the PS2702 series of single-channel optocouplers from Renesas. It shares the same basic die and isolation architecture as the PS2702-1-V-F3-A but differs in packaging or reel specifications indicated by the suffix. It serves as a bridge between low-power logic circuits and higher-power load drivers while maintaining electrical safety separation.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Renesas cross-reference guides for verified alternatives.
