UMH3N-TP

Overview

The UMH3N-TP is a dual NPN digital transistor manufactured by Micro Commercial Components (MCC). It integrates two NPN transistors with built-in bias resistors into a single SOT-363 surface-mount package. Key electrical specifications include a collector-emitter breakdown voltage of 50V, a continuous collector current of 100mA, and a maximum power dissipation of 150mW. The device features typical input resistors of 4.7kΩ for both bases, a minimum DC current gain (hFE) of 80 at 10mA and 5V, and a transition frequency of 250MHz. It operates within a temperature range of -55°C to +150°C.

Feature Summary

• Integrates two NPN transistors with pre-biasing resistors in a compact SMD footprint
• Eliminates external resistor requirements to simplify circuit design and reduce component count
• Provides high-speed switching capabilities suitable for high-frequency applications

Applications

• Differential amplifier circuits
• High-frequency crystal oscillator starters
• General-purpose logic interface and level shifting

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with MCC or authorized distributors before procurement. Confirm that the SOT-363 package dimensions match the target PCB layout constraints. Ensure supply chain sources are authorized to guarantee part authenticity and traceability.

Selection Notes

Select this component when a dual NPN configuration with integrated base resistors is required in a minimal footprint. Compare the 4.7kΩ input resistance against other series variants if different drive currents are needed. Verify that the 50V rating and 150mW power dissipation meet the specific circuit load and thermal management requirements.

Part Context

This component belongs to the UMH3N series of complex transistors from Micro Commercial Components. These devices are designed as replacements for discrete resistor-transistor networks, offering space savings and improved performance consistency in compact electronic designs.

Replacement Considerations

Publicly documented equivalent parts include the DTC143T. Verify pin compatibility and electrical parameter alignment before substitution.