2N997

Single Bipolar Transistors Overview

The Microchip Technology 2N997 is an NPN Darlington transistor designed for small-signal applications. It features a collector current of 0.3A and a collector-emitter breakdown voltage of 40V. The device utilizes silicon technology in a single-element configuration. It is housed in a TO-18 metal can package, providing robust performance for switching and amplification tasks requiring high gain.

Single Bipolar Transistors Feature Summary

• High current gain capability inherent to the Darlington configuration
• Robust metal can packaging for environmental protection
• Suitable for general-purpose switching and amplification

Single Bipolar Transistors Applications

• General-purpose signal amplification circuits
• Low-power switching applications
• Interface circuits requiring high input impedance

Single Bipolar Transistors Procurement Notes

Verify the manufacturer source carefully, as the 2N997 designation is historically associated with multiple vendors including New Jersey Semi-Conductor Products. Confirm that the specific unit supplied matches the Microchip Technology specification sheet regarding pinout and electrical characteristics. Ensure the package type aligns with your design requirements before finalizing procurement orders.

Single Bipolar Transistors Selection Notes

Select this component when a high-gain NPN switch or amplifier is required in a through-hole metal package. Consider the 40V voltage limit and 0.3A current rating against circuit demands. Evaluate thermal management needs due to the power dissipation characteristics typical of Darlington structures in this form factor.

Single Bipolar Transistors Part Context

The 2N997 belongs to the class of small-signal bipolar junction transistors (BJTs). It represents a legacy part number often found in industrial and consumer electronics designs from previous decades. Its availability may vary across manufacturers, necessitating careful cross-referencing of datasheets to ensure functional compatibility within existing system architectures.

Single Bipolar Transistors Replacement Considerations

Public confirmed substitute part numbers are not explicitly listed in the provided documentation. Designers should consult official equivalent listings from authorized distributors or verify compatibility with other NPN Darlington transistors meeting identical TO-18 package and electrical specifications.