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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SMD
- 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)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：5µs, 7µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：30 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-SMD
- Grade：-
- Qualification：-
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Overview
The PS2701A-1Y-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and utilizes a SOP-4 surface mount package. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a maximum collector current of 30 mA, and an isolation voltage of 3750 Vrms. The device operates with a forward current up to 5 mA and exhibits a forward voltage of 1.2 V. The current transfer ratio ranges from 50% to 300%, with a rise time of 5 µs and a fall time of 7 µs.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using optical transmission.
- Integrates an NPN phototransistor for reliable digital signal switching applications.
- Features a compact SOP-4 surface mount package suitable for automated assembly.
Applications
- PLC input/output module signal isolation
- Inverter control circuit isolation
- Industrial automation sensor interface
Procurement Notes
Verify the specific suffix 'Y' against official Renesas documentation to confirm tape-and-reel packaging requirements. Confirm RoHS compliance status through the manufacturer's datasheet. Check for end-of-life or not-for-new-design (NRND) notices prior to procurement planning.
Selection Notes
Select this component when a 70 V collector-emitter voltage rating and 3750 Vrms isolation are required. Ensure the 5 mA forward current capability aligns with the driving circuit design. Verify that the SOP-4 footprint matches the target PCB layout constraints.
Part Context
This part belongs to the PS2701A series of transistor output optocouplers designed for general-purpose isolation. The series offers varying CTR ranges and packaging options to suit different industrial and consumer electronic applications requiring galvanic isolation.
Replacement Considerations
Consult official cross-reference lists for verified substitutes. Generic equivalents may differ in isolation voltage or CTR specifications. Validate any replacement against the original datasheet parameters before implementation.
