2SD1827

Single Bipolar Transistors Overview

The onsemi 2SD1827 is a single NPN Darlington bipolar junction transistor designed for through-hole mounting in the TO-220ML package. It features a maximum collector-emitter voltage of 60 V and a continuous collector current rating of 10 A. The device offers a transition frequency of 20 MHz and a maximum power dissipation of 2 W. These electrical characteristics support its function as a high-current switching and amplification component in various electronic circuits.

Single Bipolar Transistors Feature Summary

• Darlington configuration provides high current gain for efficient control applications
• Through-hole TO-220ML package facilitates robust thermal management
• NPN polarity supports standard switching and amplification topologies

Single Bipolar Transistors Applications

• Motor driver control circuits
• Printer hammer drivers
• Relay drivers
• Constant-voltage regulators

Single Bipolar Transistors Procurement Notes

Verify the specific ordering suffix to confirm the exact package variant and tape-and-reel or tube packaging configuration. Ensure the requested part matches the TO-220ML form factor required for your thermal design. Cross-reference the manufacturer datasheet to confirm compliance with RoHS directives and other regional regulatory standards applicable to your supply chain requirements.

Single Bipolar Transistors Selection Notes

Select this component when a high-current switching solution with moderate speed is required. The 60 V rating limits suitability for higher voltage bus applications. Evaluate the 2 W power dissipation capability against your thermal environment to determine if heatsinking is necessary. Consider the Darlington structure's saturation voltage impact on efficiency compared to single-transistor alternatives.

Single Bipolar Transistors Part Context

The 2SD1827 belongs to the family of NPN Darlington transistors manufactured by onsemi. This series targets industrial and consumer electronics requiring reliable high-current switching capabilities. The TO-220ML package distinguishes it from surface-mount variants, offering a balance between power handling and mechanical stability for through-hole PCB assembly processes.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference lists for direct pin-compatible substitutes. Verify that alternative parts match the 60 V voltage rating, 10 A current capacity, and 20 MHz frequency specifications. Ensure the replacement maintains the NPN Darlington configuration and TO-220ML package dimensions for mechanical compatibility.