2SB1144S

Single Bipolar Transistors Overview

The onsemi 2SB1144S is a PNP bipolar junction transistor (BJT) designed for high-current switching applications. It features a maximum collector current of 5 A and a collector-emitter voltage rating of 50 V. The device utilizes low saturation voltage technology to minimize power loss during conduction. It is housed in a TO-262AB package, also known as D2PAK, suitable for surface-mount mounting. The component supports a maximum operating temperature of 150 °C and includes a monolithic bias resistor network for simplified circuit design.

Single Bipolar Transistors Feature Summary

• Integrated monolithic bias resistor network eliminates external components
• Low collector-to-emitter saturation voltage for efficient power handling
• High current capacity with robust thermal performance
• Fast switching speed optimized for high-frequency operation

Single Bipolar Transistors Applications

• Relay drivers
• High-speed inverters
• DC-DC converters
• General high-current switching circuits

Single Bipolar Transistors Procurement Notes

Verify the specific suffix codes against the official datasheet to ensure correct pinout and electrical characteristics. Confirm RoHS compliance status if required by your manufacturing standards. Check for any recent product change notifications regarding package or material updates. Ensure the supplier provides genuine onsemi parts with traceable documentation.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with integrated biasing is needed for high-current loads. Compare the 5 A current rating and 50 V breakdown voltage against circuit requirements. Consider the TO-262AB package for adequate heat dissipation in surface-mount designs. Evaluate the saturation voltage specifications to ensure efficiency meets system targets.

Single Bipolar Transistors Part Context

This part belongs to the 2SB11xx series of PNP transistors from onsemi, characterized by low saturation voltage and high current capability. It is often paired with NPN counterparts like the 2SD1803 for complementary push-pull configurations. The series is engineered for compact designs requiring reliable switching performance in power electronics.

Single Bipolar Transistors Replacement Considerations

• 2SB1203T-TL-H
• 2SD1803T-TL-H

Single Bipolar Transistors FAQ

What is the maximum collector current for the 2SB1144S?

The maximum continuous collector current is 5 A.

Does the 2SB1144S include internal resistors?

Yes, it contains a monolithic bias resistor network consisting of two resistors.

What is the recommended operating temperature range?

The maximum operating junction temperature is 150 °C.