KSD1691YSTU

Single Bipolar Transistors Overview

The KSD1691YSTU is an NPN epitaxial silicon transistor manufactured by onsemi, housed in a TO-126-3LD (CASE 340AS) package. It supports a maximum collector current of 5 A and a collector-emitter voltage of 60 V. The device features a DC current gain (hFE) classification of 'Y', ranging from 160 to 320 at IC = 2 A and VCE = 1 V. Typical saturation voltages are 0.1 V for VCE(sat) and 0.9 V for VBE(sat) under specified test conditions.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage combined with large collector current capability
• High power dissipation rating of 1.3 W at ambient temperature of 25 °C
• Complementary pairing available with the KSB1151 PNP transistor

Single Bipolar Transistors Applications

• General-purpose switching applications requiring high current handling
• Driver circuits utilizing complementary NPN/PNP transistor pairs
• Power management systems operating within defined safe operating areas

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized onsemi distribution channels. Confirm that the specific ordering suffix matches the required hFE grade and packaging specifications. Ensure compliance with RoHS directives as indicated in the datasheet. Validate all electrical parameters against specific application requirements before integration into final designs.

Single Bipolar Transistors Selection Notes

Select this component when a high-current NPN switch with moderate voltage ratings is required. The Y-grade hFE classification ensures predictable gain characteristics for amplifier or driver stages. Consider thermal management strategies given the 1.3 W power dissipation limit at ambient temperatures. Verify compatibility with complementary devices if push-pull configurations are utilized in the circuit design.

Single Bipolar Transistors Part Context

This part belongs to the KSD1691 series of NPN epitaxial silicon transistors produced by onsemi. It utilizes the TO-126-3LD flange mount package suitable for heat dissipation. The series includes various hFE grades and packaging options, with some variants marked as discontinued in recent documentation updates.

Single Bipolar Transistors Replacement Considerations

Direct substitutes include other KSD1691 variants with matching hFE grades and packages. Verify pinout compatibility and electrical ratings against original design specifications. Consult official onsemi documentation for updated availability status of alternative package types.