KSA1174FTA

Single Bipolar Transistors Overview

The KSA1174FTA is a PNP epitaxial silicon transistor from onsemi, packaged in TO-92S. It features a collector-base voltage of -120 V and a collector-emitter voltage of -120 V. The device supports a maximum collector current of -50 mA with a power dissipation rating of 300 mW. It offers a DC current gain ranging from 150 to 800 depending on the hFE classification. The component operates at junction temperatures up to 150 °C and includes an fT of 100 MHz.

Single Bipolar Transistors Feature Summary

• Designed for audio frequency low noise amplifier applications
• Functions as a complement to the KSC2784 NPN transistor
• Provides high DC current gain suitable for signal amplification

Single Bipolar Transistors Applications

• Audio frequency low noise amplifiers
• General-purpose switching circuits
• Complementary pairs with KSC2784

Single Bipolar Transistors Procurement Notes

Verify the manufacturer origin, as the datasheet references Fairchild Semiconductor while the brand is listed as onsemi. Confirm the specific hFE bin (P, F, or E) required for your circuit design. Ensure the TO-92S package dimensions match your PCB footprint constraints. Check for any RoHS compliance documentation if environmental regulations apply to your project.

Single Bipolar Transistors Selection Notes

Select this component when a PNP transistor with high voltage tolerance (-120 V) and low noise characteristics is needed. Consider the hFE classification based on the required gain consistency. Verify that the 300 mW power dissipation limit accommodates your thermal management strategy. Ensure compatibility with the complementary KSC2784 if used in push-pull configurations.

Single Bipolar Transistors Part Context

The KSA1174 is part of the general-purpose transistor portfolio, specifically optimized for audio applications. It belongs to the family of small-signal bipolar junction transistors designed for low-noise performance. The device is commonly paired with its NPN counterpart for balanced amplifier stages.

Single Bipolar Transistors Replacement Considerations

The KSC2784 is documented as the complementary NPN transistor. No other direct substitute part numbers are confirmed in the provided source material.