MUN5116T1

Overview

The MUN5116T1 is a PNP Bias Resistor Transistor (BRT) from onsemi, housed in an SC-70/SOT-323 package. It integrates a single transistor with a monolithic bias network consisting of a series base resistor and an open base-emitter connection. Key electrical parameters include a collector-emitter voltage (VCEO) of 50 Vdc, a continuous collector current (IC) of 100 mAdc, and a total device dissipation (PD) of 202 mW at 25°C. The typical input resistance (R1) is 4.7 kOhms. The DC current gain (hFE) has a minimum value of 160 at IC = 5.0 mA and VCE = 10 V. The junction temperature range spans from -55°C to +150°C.

Feature Summary

• Integrates a PNP transistor with a monolithic bias network to replace discrete components
• Reduces board space and component count by eliminating external resistors
• SC-70/SOT-323 package designed for low power surface mount applications

Applications

• Low power surface mount circuit designs
• Applications requiring simplified circuit design and reduced component count
• Systems where board space optimization is critical

Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm shipping format and compliance status. The standard T1 suffix indicates a 3,000-unit reel in 8 mm embossed tape. Confirm RoHS and Pb-Free status through official datasheets or product change notices, as manufacturing processes may evolve. Ensure the source document matches the exact part number to avoid discrepancies in electrical characteristics or packaging specifications.

Selection Notes

Select this component when a PNP digital transistor with a 4.7 kOhm base resistor is required. Verify that the 50 V collector-emitter voltage and 100 mA current ratings meet the application requirements. Consider the SC-70/SOT-323 package dimensions for PCB layout constraints. Compare the hFE minimum of 160 against load conditions to ensure adequate saturation. Check thermal derating curves if operating above 25°C ambient temperature.

Part Context

This device belongs to the MUN5111T1 Series, which includes various PNP BRT configurations with different resistor values. The series is designed to simplify biasing networks in surface mount electronics. Other members of the family feature different R1/R2 ratios or resistor values, such as the MUN5111T1 with 10 kOhm resistors. The MUN5116T1 specifically utilizes a 4.7 kOhm series base resistor with no base-emitter resistor.

Replacement Considerations

MUN5116DW1T1G is listed as a direct replacement option.