2SA1689E-AA

Single Bipolar Transistors Overview

The onsemi 2SA1689E-AA is a PNP single bipolar transistor designed for general-purpose switching applications. It features a maximum collector-emitter breakdown voltage of 300 V and a continuous collector current rating of 50 mA. The device supports a maximum power dissipation of 600 mW and operates at a transition frequency of 70 MHz. It is rated for junction temperatures up to 150°C and utilizes surface-mount packaging.

Single Bipolar Transistors Feature Summary

• High voltage capability with 300 V collector-emitter breakdown
• Optimized for high-speed switching with 70 MHz transition frequency
• Robust thermal performance supporting operation up to 150°C

Single Bipolar Transistors Applications

• General-purpose signal switching circuits
• Low-power amplifier stages
• Interface logic level translation

Single Bipolar Transistors Procurement Notes

Verify the specific manufacturer source, as the component is associated with both onsemi and AMI Semiconductor in distribution channels. Confirm RoHS compliance status and exact package marking codes prior to ordering. Ensure the selected variant matches the required pinout and thermal characteristics for the intended PCB layout.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring moderate voltage isolation and fast switching speeds within low-current limits. Consider the 600 mW power dissipation constraint when designing thermal management solutions. Evaluate the 50 mA current limit against peak load requirements to ensure reliable operation without exceeding absolute maximum ratings.

Single Bipolar Transistors Part Context

This part belongs to the family of small-signal bipolar junction transistors (BJTs). It serves as a discrete semiconductor device used primarily for amplification and switching functions in electronic circuits. The PNP configuration allows it to control current flow from emitter to collector based on base terminal input.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.