2N5878

Overview

The Microchip Technology 2N5878 is a silicon NPN power bipolar junction transistor designed for high-current applications. It features a collector-base voltage rating of 80V and a continuous collector current capacity of 10A. The device operates within a temperature range of -65°C to +200°C and exhibits a transition frequency of 4 MHz. Packaged in the TO-204AA metal case, this component serves as a robust solution for switching and amplification tasks requiring significant power handling capabilities.

Feature Summary

• High current handling capability with a 10A continuous collector current rating
• Robust thermal performance supporting operation up to 200°C
• Durable metal TO-204AA package construction for industrial environments

Applications

• Power switching circuits
• Linear amplifier stages
• Industrial control systems

Procurement Notes

Verify manufacturer documentation to confirm current production status, as historical records indicate potential obsolescence or discontinuation for specific variants. Ensure compatibility with existing thermal management solutions due to the high operating temperature limits. Cross-reference datasheets from authorized distributors to validate pinout configurations and absolute maximum ratings before integration into new designs.

Selection Notes

Select this component when designing circuits requiring substantial current drive at moderate voltages. The TO-204AA package necessitates appropriate heatsinking strategies to maintain junction temperatures within safe limits. Consider the 4 MHz transition frequency when evaluating suitability for high-speed switching applications versus lower-frequency power regulation tasks.

Part Context

The 2N5878 belongs to the family of silicon power transistors widely utilized in legacy and modern industrial electronics. Manufactured by Microchip Technology, it complements other high-power discrete devices in their portfolio. This part number represents a standard NPN configuration often paired with complementary PNP types for push-pull output stages in audio and motor control applications.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify direct replacements through official Microchip Technology cross-reference tools or authorized distributor databases to ensure electrical parameter equivalence and mechanical fit.