UMG11NTR

Overview

The UMG11NTR is a dual NPN digital transistor manufactured by ROHM Semiconductor, housed in a compact SOT-353-5 (UMT5) surface-mount package. It integrates two pre-biased transistors within a single unit to simplify circuit design. Key electrical specifications include a maximum collector-emitter voltage (VCEO) of 50 V and a continuous collector current (IC) of 100 mA. The device features typical input resistances (R1) of 2.2 kΩ and emitter-base resistances (R2) of 47 kΩ for both channels. It operates with a power dissipation (PD) of 150 mW, supports a maximum operating temperature of +150°C, and achieves a transition frequency (fT) of 250 MHz.

Feature Summary

• Integrates two NPN transistors with built-in biasing resistors into a single ultra-small package to reduce component count and board space.
• Provides high-speed switching capabilities suitable for high-frequency applications such as differential amplifier circuits and crystal oscillators.

Applications

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

Procurement Notes

Verify the specific suffix 'NTR' corresponds to the tape-and-reel packaging format containing 3000 units per reel. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the ordering part number matches the required resistance values and package type specified in the design schematic.

Selection Notes

Select this component when a dual NPN configuration with integrated base and emitter resistors is required in an SOT-353 footprint. Compare input resistance values against the target circuit impedance requirements. Verify that the 50V voltage rating and 100mA current capacity exceed the maximum operational loads of the application.

Part Context

This component belongs to the UMG11 series of complex digital transistors from ROHM Semiconductor. The series is designed to replace multiple discrete components, offering a standardized solution for driving logic gates or interfacing microcontrollers with higher voltage loads in compact electronic devices.

Replacement Considerations

Publicly documented equivalent parts include the DTc123J. Verify pin compatibility and electrical parameter alignment before substitution.