PUMH18-QX

Overview

The PUMH18-QX is a dual NPN pre-biased bipolar junction transistor (BJT) array manufactured by Nexperia USA Inc. It integrates two NPN transistors with built-in biasing resistors in a compact surface-mount package. The device supports a collector-emitter voltage of 50 V and a continuous collector current of 100 mA, with a maximum power dissipation of 300 mW. It operates within a temperature range of -65°C to +150°C. The component is AEC-Q101 qualified for automotive applications and utilizes the 6-TSSOP (SOT-363) package.

Feature Summary

• Integrated dual NPN configuration with internal biasing resistors simplifies circuit design by reducing external component count.
• Automotive-grade qualification ensures reliability and performance consistency under stringent environmental conditions.
• Compact SMD packaging facilitates high-density PCB layouts while maintaining robust thermal and electrical characteristics.

Applications

• Automotive logic level shifting and signal switching
• General-purpose digital switching in industrial control systems
• Interface circuits requiring compact dual-transistor solutions

Procurement Notes

Verify the specific suffix and ordering code when sourcing to ensure compatibility with required packaging formats such as cut tape or reel. Confirm that the delivered components match the AEC-Q101 qualification status if automotive compliance is mandatory for the target application. Cross-reference manufacturer datasheets for any recent product change notifications affecting pinout or material composition.

Selection Notes

Select this component when a dual NPN pre-biased solution is required in a small outline package. Ensure the 50V voltage rating and 100mA current capacity align with the load requirements. Consider the integrated resistor values for base drive calculations to optimize switching speed and power consumption in the final design.

Part Context

This part belongs to Nexperia's PUM series of pre-biased transistors, which combine NPN BJTs with internal resistors. The QX suffix typically denotes automotive-grade qualification and specific packaging variants. It serves as a space-saving alternative to discrete transistor and resistor combinations in modern electronic designs.

Replacement Considerations

Compatible substitutes include other Nexperia PUM series devices with similar voltage and current ratings, such as PUMH10 or PUMH4, provided the internal resistor values meet the circuit requirements. Verify package compatibility and electrical parameters before substitution.