2SB11540Q

Single Bipolar Transistors Overview

The Panasonic 2SB11540Q is a silicon PNP epitaxial planar power transistor designed for switching applications. It features a TOP-3F-A1 package compatible with the EIAJ SC-92 standard, allowing direct heat sink mounting via a single screw. The device supports a collector current of up to 10 A and peak currents of 20 A, with a maximum collector power dissipation of 70 W at 25°C. It offers low collector-emitter saturation voltage and satisfactory linearity in forward current transfer ratio.

Single Bipolar Transistors Feature Summary

• Low collector-emitter saturation voltage for efficient switching
• Satisfactory linearity of forward current transfer ratio hFE
• Full-pack package enabling installation to a heat sink with one screw

Single Bipolar Transistors Applications

• Power switching circuits
• General electronic equipment
• Office equipment
• Communications equipment
• Measuring instruments

Single Bipolar Transistors Procurement Notes

Verify the exact ordering suffix against official Panasonic documentation before procurement. Confirm that the component meets RoHS Directive (EU 2002/95/EC) requirements. Check the latest product lifecycle status on the manufacturer's website to ensure availability. Ensure compliance with export control laws if applicable. Validate specifications against the most recent datasheet prior to final design implementation.

Single Bipolar Transistors Selection Notes

Select this component for designs requiring high collector current handling and efficient thermal management through direct heat sink mounting. Consider its complementary relationship with the 2SD1705 NPN transistor for push-pull configurations. Evaluate the transition frequency and switching times against the specific speed requirements of the target application circuit.

Single Bipolar Transistors Part Context

This part belongs to the Panasonic 2SB1154 series of silicon PNP epitaxial planar transistors. It is specifically engineered for power switching duties where low saturation voltage and robust packaging are critical. The device utilizes a full-pack construction to facilitate secure attachment to cooling systems using a single fastener.

Single Bipolar Transistors Replacement Considerations

The 2SD1705 is documented as the complementary NPN transistor for this series. Verify pinout compatibility and electrical ratings when substituting with other PNP power transistors from different manufacturers.