2SD1796

Single Bipolar Transistors Overview

The Sanken Electric USA Inc. 2SD1796 is a silicon NPN triple diffused planar transistor designed for driver applications involving solenoids, relays, and motors, as well as general-purpose use. It features an integrated avalanche diode for surge absorbing capabilities. The device operates with a collector-emitter voltage rating of 60 V and a continuous collector current capacity of 4 A. Key electrical characteristics include a minimum DC current gain (hFE) of 2000 at IC=3A and VCE=4V, and a typical transition frequency (fT) of 45 MHz. The component is housed in an FM20 (TO-220F) package.

Single Bipolar Transistors Feature Summary

• Integrated avalanche diode provides built-in protection against voltage surges.
• High DC current gain suitable for efficient switching and amplification tasks.
• Triple diffused planar construction ensures robust performance in power applications.

Single Bipolar Transistors Applications

• Driver circuits for solenoids
• Relay driving systems
• Motor control applications

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel specifications if required. Confirm RoHS compliance status for the exact part number variant. Check for any manufacturer notices regarding design lifecycle or obsolescence before finalizing procurement plans.

Single Bipolar Transistors Selection Notes

Select this component for applications requiring high current gain and surge tolerance. Ensure the operating ambient temperature remains within the specified range. Verify that the thermal management solution supports the maximum power dissipation ratings under the intended load conditions.

Single Bipolar Transistors Part Context

This transistor belongs to Sanken's series of NPN power transistors utilizing triple diffused planar technology. It is engineered for reliability in automotive and industrial environments where surge immunity and high gain are critical for solenoid and motor driver circuits.

Single Bipolar Transistors Replacement Considerations

The datasheet explicitly states that this component is not recommended for new designs. Engineers should evaluate newer alternatives from the manufacturer's current portfolio for future projects.

Single Bipolar Transistors FAQ

Does the 2SD1796 include protection against voltage spikes?

Yes, it features a built-in avalanche diode specifically designed for surge absorbing applications.

What is the maximum collector current rating?

The absolute maximum rating for continuous collector current is 4 Amperes.

Is this component suitable for new product development?

No, the official documentation indicates that the 2SD1796 is not recommended for new designs.