PUMH2/DG/B4X

Overview

The PUMH2/DG/B4X is a dual NPN pre-biased transistor array manufactured by Nexperia USA Inc. It integrates two NPN bipolar junction transistors with built-in biasing resistors in a compact surface-mount package. The device features a collector-emitter breakdown voltage of 50V and a maximum continuous collector current of 100mA. Integrated base and emitter resistors facilitate direct interfacing with digital logic outputs, simplifying circuit design for switching applications.

Feature Summary

• Integrated biasing resistors reduce component count and board space
• Dual NPN configuration in a single leadless package
• Designed for high-density surface-mount assembly

Applications

• Digital signal switching and level translation
• Driver circuits for low-power loads
• Logic interface buffering

Procurement Notes

Verify the specific suffix DG/B4X against official Nexperia documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and reflow soldering profiles before procurement.

Selection Notes

Select this component when a dual NPN switch with integrated biasing is required in a minimal footprint. Compare hFE characteristics and saturation voltages against alternative RETs to ensure adequate drive capability for the target load conditions.

Part Context

This part belongs to Nexperia's Pre-Biased Transistor (RET) family, which combines BJTs with internal resistors. These devices are engineered to replace discrete resistor-transistor networks, offering improved reliability and reduced assembly complexity in consumer and industrial electronics.

Replacement Considerations

Direct substitutes include other Nexperia dual NPN RETs such as the PUMH9 or PQMH9 series, provided pin configurations and electrical ratings match the original design requirements.