RV1S2251ACCSP-10YV#SC0

Overview

The RV1S2251ACCSP-10YV#SC0 is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and operates with a maximum forward current of 30 mA and a reverse voltage of 5 V. The device provides a minimum current transfer ratio (CTR) of 300% at a forward current of 50 μA, with a maximum CTR of 400%. Key electrical parameters include a collector-emitter saturation voltage of 300 mV max, a collector current of 30 mA max, and a collector-emitter voltage of 80 V max. It supports a data rate of up to 15 Mb/s and has an insulation voltage of 5000 Vrms. The component operates within a temperature range of -40°C to +125°C.

Feature Summary

• High current transfer ratio ensuring reliable signal transmission at low input currents
• Compact LSSOP-4 package design with long creepage distance for enhanced isolation safety
• CMOS-compatible logic output interface suitable for digital communication applications

Applications

• Industrial automation control systems requiring galvanic isolation
• Communication equipment interfacing between microcontrollers and peripheral devices
• Power supply feedback loops for voltage regulation and monitoring

Procurement Notes

Verify the specific suffix designation against official Renesas documentation to confirm pinout configuration and packaging variant. Ensure compliance with RoHS directives as indicated in product specifications. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Selection Notes

Select this component when high-speed digital isolation is required alongside a compact surface-mount footprint. The high CTR specification makes it suitable for applications demanding efficient coupling at low drive currents. Consider the operating temperature range and insulation voltage ratings to ensure compatibility with the target system's environmental and safety requirements.

Part Context

This device belongs to the RV1S series of high-speed optocouplers from Renesas Electronics. The series is designed for robust performance in noisy environments, offering superior noise immunity compared to standard optocouplers. The RV1S2251A variant specifically targets applications needing fast switching speeds and high reliability in a small form factor.

Replacement Considerations

Consult official Renesas substitution guides for verified equivalents. Generic replacements may not match the specific creepage distance or CTR characteristics.