2SA1346-SSH-AC

Overview

The 2SA1346-SSH-AC is a single pre-biased PNP bipolar junction transistor manufactured by onsemi. It integrates base resistors to simplify circuit design and reduce component count. The device features a collector-emitter voltage rating of 50 V and a continuous collector current capability of 100 mA. It operates with a transition frequency of 250 MHz, supporting high-speed switching applications. Power dissipation is rated at 300 mW. The component is housed in a 3-pin Surface Mount Package (SPA), suitable for automated assembly processes.

Feature Summary

• Integrated base biasing network simplifies driver circuit requirements
• High-speed switching performance with 250 MHz transition frequency
• Compact surface mount packaging facilitates automated PCB assembly

Applications

• General-purpose signal switching circuits
• Driver stages for logic interfaces
• Small-signal amplification applications

Procurement Notes

Verify the complete part number including the SSH-AC suffix to ensure correct package type and tape-and-reel configuration. Confirm RoHS compliance status through official manufacturer documentation prior to procurement. Cross-reference datasheet electrical characteristics against specific application requirements to validate performance margins under operating conditions.

Selection Notes

Select this component when integrated biasing reduces external resistor count is required. Evaluate thermal management needs based on the 300 mW power dissipation limit. Ensure the 50 V voltage rating exceeds maximum circuit transients. Consider the SPA package dimensions for board space constraints compared to through-hole alternatives.

Part Context

This device belongs to onsemi's family of pre-biased bipolar transistors designed to replace discrete BJT configurations. The integration of base resistors minimizes layout area and improves switching consistency. It serves as a direct replacement for standard small-signal PNP transistors where simplified driving is beneficial.

Replacement Considerations

Consult official substitution guides for equivalent pre-biased PNP transistors with matching voltage and current ratings. Verify pinout compatibility and thermal characteristics before implementing alternative components.