2SA2127

Single Bipolar Transistors Overview

The onsemi 2SA2127 is a PNP single bipolar transistor utilizing MBIT process technology. It features a collector-to-emitter voltage of -50 V and a continuous collector current rating of -2 A, with a pulse current capacity of -4 A. The device offers low saturation voltage characteristics and high-speed switching capabilities. Key electrical parameters include a DC current gain (hFE) ranging from 200 to 560 at -100 mA, and a gain-bandwidth product of 420 MHz. It operates within a junction temperature range up to 150 °C and is housed in an MP package.

Single Bipolar Transistors Feature Summary

• Adoption of MBIT process for enhanced performance
• Low collector-to-emitter saturation voltage
• High current capacity with wide safe operating area
• High-speed switching characteristics

Single Bipolar Transistors Applications

• Voltage regulators
• Relay drivers
• Lamp drivers
• Electrical equipment

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix when purchasing. The standard 2SA2127 ships in bags of 500 pieces, while the 2SA2127-AE variant is supplied in boxes of 1,000 pieces. Confirm package compliance with JEITA/JEDEC SC-51 or TO-92(1-WATT) standards. Ensure the selected part matches the required packing quantity for the manufacturing line.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring a PNP transistor with -50 V breakdown and -2 A continuous current handling. The low saturation voltage makes it suitable for efficient power switching. Consider the thermal dissipation limits of 1 W at 25 °C ambient temperature. Verify that the switching speed requirements align with the specified turn-on and fall times for the target circuit design.

Single Bipolar Transistors Part Context

This device belongs to the onsemi family of PNP epitaxial planar silicon transistors designed for general-purpose switching and amplification. It utilizes MBIT process technology to achieve high current capacity and low saturation voltage. The component is intended for use in various electronic circuits where reliable PNP switching is required.

Single Bipolar Transistors Replacement Considerations

Consult official substitution guides for verified alternatives. Cross-reference pinouts and electrical ratings carefully when considering equivalent parts from other manufacturers.

Single Bipolar Transistors FAQ

What is the maximum collector current for the 2SA2127?

The maximum continuous collector current is -2 A, with a pulse current rating of -4 A.

Does the 2SA2127 support high-speed switching?

Yes, the device features high-speed switching characteristics with a typical turn-on time of 35 ns and fall time of 24 ns.

What packaging options are available for this transistor?

The 2SA2127 is available in the MP package, which corresponds to JEITA/JEDEC SC-51 or TO-92(1-WATT) formats.