SP8M51FRATB

Overview

The SP8M51FRATB is a dual complementary power MOSFET manufactured by ROHM Semiconductor, integrating one N-channel and one P-channel enhancement-mode transistor within a single HSOP-8 surface-mount package. Designed for high-efficiency switching applications, the device features a drain-source breakdown voltage of 100V. The N-channel section supports a continuous drain current of 4.5A with a typical on-resistance of 170mΩ, while the P-channel counterpart offers similar current handling capabilities. Key electrical parameters include a gate-source voltage rating of ±20V, a maximum power dissipation of 7W, and an operating temperature range from -55°C to +150°C. The component utilizes silicon technology and is supplied in tape-and-reel packaging.

Feature Summary

• Integrates complementary N-channel and P-channel MOSFETs in a compact dual configuration
• High thermal stability with extended operating temperature range up to 150°C
• Low on-resistance design optimized for efficient power switching performance

Applications

• DC-DC converter circuits requiring complementary switching elements
• Motor driver interfaces utilizing half-bridge configurations
• Power management systems needing integrated N/P channel solutions

Procurement Notes

Verify the specific ordering suffix FRATB against official ROHM documentation to confirm the exact reel quantity and taping specifications. Ensure compatibility with standard SOP-8 footprint dimensions during PCB layout. Cross-reference the RoHS compliance status directly with the manufacturer's latest declaration. Confirm that the HSOP-8 package variant matches the thermal requirements of the target application environment.

Selection Notes

Select this component when a matched N/P pair is required for synchronous rectification or bridge driving without discrete matching efforts. Evaluate the 170mΩ on-resistance against thermal constraints at expected load currents. Consider the 100V voltage rating relative to system supply voltages including transient spikes. Verify that the 4.5A current capability aligns with peak operational demands rather than just average loads.

Part Context

This part belongs to ROHM's complementary MOSFET series designed for space-constrained power applications. It serves as an alternative to using separate N-channel and P-channel devices, simplifying bill of materials and assembly processes. The HSOP-8 package provides a balance between thermal performance and board area efficiency compared to larger packages.

Replacement Considerations

Consult ROHM's official replacement guide for direct pin-compatible alternatives. Verify that any substitute maintains identical pinout configuration and electrical characteristics. Check for updated lifecycle status such as NRND or active production phases before substitution.