2SD2045

Single Bipolar Transistors Overview

The Sanken Electric USA Inc. 2SD2045 is a silicon NPN triple diffused planar transistor housed in an FM100 (TO-3PF) package. It features a collector-emitter breakdown voltage of 120V and a continuous collector current rating of 6A. The device provides a minimum DC current gain of 120 at 10mA and a typical transition frequency of 70MHz. Maximum power dissipation reaches 50W at a case temperature of 25°C, with a junction temperature range spanning from -55°C to +150°C.

Single Bipolar Transistors Feature Summary

• Triple diffused planar construction for robust performance
• High collector current capability suitable for driver applications
• Low saturation voltage characteristics for efficient switching

Single Bipolar Transistors Applications

• Solenoid drivers
• Motor drivers
• General purpose switching

Single Bipolar Transistors Procurement Notes

Verify the component against the official Sanken datasheet specifications before integration. Confirm that the FM100 package dimensions match the target PCB footprint. Ensure thermal management strategies align with the provided derating curves to maintain safe operating temperatures during operation.

Single Bipolar Transistors Selection Notes

This component is specified for high-current switching tasks requiring moderate voltage handling. Designers should account for the storage time delay inherent in Darlington structures when calculating switching speeds. Thermal resistance values must be considered carefully if operating without a heatsink or under pulsed conditions.

Single Bipolar Transistors Part Context

The 2SD2045 belongs to Sanken's lineup of high-power NPN transistors designed for industrial and consumer electronics. It utilizes a plastic encapsulated metal tab package to facilitate heat dissipation while maintaining electrical isolation from the mounting surface.

Single Bipolar Transistors Replacement Considerations

The manufacturer explicitly states this part is not recommended for new designs. Engineers should consult current Sanken catalogs for modern equivalents that offer improved efficiency or availability.