2SA2125-TD-H

Single Bipolar Transistors Overview

The onsemi 2SA2125-TD-H is a PNP bipolar junction transistor housed in an SOT-89 (PCP-1) package. It features a collector-emitter voltage of -50 V and a continuous collector current of -3 A. The device utilizes MBIT processes to achieve low saturation voltage and high-speed switching capabilities, with a gain-bandwidth product of 390 MHz. It supports a junction temperature up to 150°C and complies with halogen-free standards.

Single Bipolar Transistors Feature Summary

• Adopts MBIT processes for enhanced performance
• Provides low collector-to-emitter saturation voltage
• Supports large current capacity
• Enables high-speed switching operations

Single Bipolar Transistors Applications

• DC-DC converters
• Relay drivers
• Lamp drivers
• Motor drivers
• Flash circuits

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix '-TD-H' to confirm the inclusion of halogen-free compliance alongside lead-free specifications. Ensure the selected packaging matches the required tape and reel format for automated assembly processes. Cross-reference the mechanical case outline dimensions against the target PCB footprint to guarantee proper physical fitment during installation.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with a -50 V rating and -3 A current capability is required. The SOT-89 package offers a compact solution suitable for surface-mount applications. Consider the low saturation voltage characteristics for efficiency in power switching environments where thermal management is critical.

Single Bipolar Transistors Part Context

This part belongs to the 2SA2125 series, which includes complementary NPN devices such as the 2SC5964. Both share similar electrical characteristics and are designed for general-purpose high-current switching applications. The series emphasizes reliability through advanced manufacturing processes while maintaining a small form factor.

Single Bipolar Transistors Replacement Considerations

The 2SA2125-TD-E serves as a direct alternative within the same package family, differing primarily in halogen-free status.