2SB1121T-TD-E

Single Bipolar Transistors Overview

The 2SB1121T-TD-E is a PNP bipolar junction transistor manufactured by onsemi. It features a maximum collector-emitter voltage of -50 V and a continuous collector current of -2 A. The device utilizes the PCP surface-mount package, designed for high-density mounting applications. Key electrical characteristics include low collector-to-emitter saturation voltage and fast switching speed, supported by FBET and MBIT process technologies.

Single Bipolar Transistors Feature Summary

• Low collector-to-emitter saturation voltage
• Fast switching speed
• Ultraminiature package for high-density mounting

Single Bipolar Transistors Applications

• Voltage regulators
• Relay drivers
• Lamp drivers

Single Bipolar Transistors Procurement Notes

Verify the specific suffix 'T-TD-E' against official datasheets to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with existing PCB footprints for the PCP package. Confirm RoHS compliance through manufacturer documentation prior to integration.

Single Bipolar Transistors Selection Notes

Select this component for circuits requiring compact PNP switching solutions with moderate current handling. The low saturation voltage improves efficiency in power management applications. Verify thermal dissipation requirements relative to the package's power rating during design.

Single Bipolar Transistors Part Context

This part belongs to the 2SB112x series of PNP transistors from onsemi. These devices are engineered for general-purpose switching and amplification. The series emphasizes miniaturization and performance in small form factors suitable for modern electronic equipment.

Single Bipolar Transistors Replacement Considerations

Check for direct equivalents such as the 2SB1123 or 2SD1623 (NPN counterpart) if pinout and electrical parameters align. Verify that substitute components meet the same voltage, current, and package specifications.