MMUN2132LT1G

Overview

The MMUN2132LT1G is a PNP Bias Resistor Transistor (BRT) from onsemi, integrating a single transistor with a monolithic bias network consisting of a series base resistor and a base-emitter resistor. It replaces discrete components to reduce system cost and board space. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 Vdc, continuous collector current (IC) of 100 mAdc, and total device dissipation (PD) of 246 mW at 25°C. The typical input resistors R1 and R2 are both 4.7 kOhms with a ratio of 1.0. Minimum DC current gain (hFE) is 15 at IC = 5.0 mA and VCE = 10 V. It operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Integrates a PNP transistor with a monolithic bias network comprising two resistors to eliminate external components.
• Simplifies circuit design by reducing component count and saving board space.
• Available with NSV prefix for automotive applications requiring unique site and control change requirements; AEC-Q101 qualified and PPAP capable.

Applications

• Automotive electronics requiring AEC-Q101 qualification
• General-purpose digital switching circuits
• Logic level translation interfaces

Procurement Notes

Verify the specific ordering suffix to confirm package type and shipping quantity. The LT1G suffix indicates an SOT-23 package shipped in tape and reel quantities of 3000 units. Confirm RoHS compliance and Pb-free status as specified in the ordering information table. Ensure the NSV prefix is selected if automotive-grade qualification and PPAP capability are required for the application.

Selection Notes

Select this component when a compact PNP digital switch with integrated biasing is needed. Verify that the 50 V collector-emitter voltage and 100 mA continuous current ratings meet the load requirements. Check the thermal characteristics, specifically the 246 mW power dissipation in the SOT-23 package, against the expected operating ambient temperature and derating curves to ensure safe operation.

Part Context

This part belongs to the MUN2132L series of digital transistors. It shares the same internal circuit topology and electrical specifications as the MUN2132T1G but utilizes a different surface-mount package. The MMUN2132LT1G is housed in an SOT-23 case, whereas the MUN2132T1G uses an SC-59 case. Both are part of the broader DTA143E family designed to replace discrete BJT and resistor combinations.

Replacement Considerations

• MUN2132T1G

FAQ

What is the pin configuration for the MMUN2132LT1G in the SOT-23 package?

Pin 1 is the Base (Input), Pin 2 is the Emitter (Ground), and Pin 3 is the Collector (Output).

Does the MMUN2132LT1G have AEC-Q101 qualification?

The standard MMUN2132LT1G does not explicitly state AEC-Q101 qualification in the general ordering info. However, the NSVMMUN2132LT1G variant is specified as AEC-Q101 qualified and PPAP capable for automotive applications.

What are the values of the integrated resistors R1 and R2?

Both the series base resistor (R1) and the base-emitter resistor (R2) have a typical value of 4.7 kOhms.