BUK125-50L,127

Power Distribution Switches, Load Drivers Overview

The BUK125-50L,127 is a high-side N-channel power switch and driver manufactured by NXP USA Inc. It features a maximum load voltage of 50V and a typical on-resistance (Rds On) of 15mOhm. The device supports a maximum output current of 40A with a supply voltage of 5V. It utilizes a non-inverting input type and is housed in a SOT263B-01 package.

Power Distribution Switches, Load Drivers Feature Summary

• Integrated fault protection including current limiting, open load detection, over temperature, and over voltage safeguards.
• High-side switching capability with a 1:1 input-to-output ratio for direct control applications.

Power Distribution Switches, Load Drivers Applications

• General purpose power distribution
• Load switching in automotive systems
• Industrial control circuits

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix '127' corresponds to the required tape and reel packaging configuration as defined by NXP standards. Confirm RoHS compliance status for the specific batch, as environmental certifications may vary by production lot. Ensure the SOT263B-01 package dimensions match the target PCB footprint requirements before finalizing procurement orders.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a robust high-side switch with integrated diagnostic features is required. The 40A current capacity and low on-resistance make it suitable for driving significant loads. Consider the non-inverting logic interface for straightforward microcontroller integration without additional level shifting circuitry.

Power Distribution Switches, Load Drivers Part Context

This part belongs to NXP's TOPFET family of smart power switches. These devices combine power MOSFET technology with CMOS control logic to provide compact, reliable solutions for switching and protecting electrical loads in demanding environments.

Power Distribution Switches, Load Drivers Replacement Considerations

Check for compatible alternatives within the BUK12x series or equivalent TOPFET devices from other manufacturers that meet the 50V/40A specifications and SOT263B-01 package constraints.

Power Distribution Switches, Load Drivers FAQ

What fault protections are included in the BUK125-50L,127?

The device includes fixed current limiting, open load detection, over temperature protection, and over voltage protection.

Is the input type inverting or non-inverting?

The BUK125-50L,127 features a non-inverting input type.