2N5578

Overview

The 2N5578 is an NPN silicon power bipolar junction transistor (BJT) manufactured by Microsemi Corporation. It is designed for high-power applications requiring robust current handling capabilities. The component operates within a specified temperature range and features a transition frequency of 0.4 MHz. Key electrical characteristics include collector capacitance specifications and DC current gain parameters defined at specific collector-emitter voltages and currents. These ratings define the device's limiting operational boundaries for reliable performance in power switching and amplification circuits.

Feature Summary

• NPN silicon power bipolar junction transistor construction
• Designed for high-power handling applications
• Capable of managing high collector currents

Applications

• Power switching circuits
• Amplification stages requiring high current capacity
• General-purpose power transistor applications

Procurement Notes

Verify the manufacturer designation, as the 2N5578 part number is utilized by multiple semiconductor producers including New Jersey Semi-Conductor Products, Inc. and Microsemi Corporation. Confirm that the received component matches the specific datasheet requirements for your design, particularly regarding absolute maximum ratings and thermal characteristics. Ensure the package type and pinout configuration align with your PCB layout before integration.

Selection Notes

Select this component when an NPN power BJT with high current handling capability is required. Consider the 0.4 MHz transition frequency limit for frequency-dependent applications. Evaluate the thermal management requirements based on the power dissipation limits. Compare specifications against alternative manufacturers to ensure compatibility with existing supply chains and design constraints.

Part Context

The 2N5578 belongs to the category of single bipolar transistors. It is classified as a power BJT intended for demanding electronic applications. The device is available from various distributors and manufacturers, indicating its status as a standard component in the electronics industry. Its primary function involves controlling large currents using a smaller base signal.

Replacement Considerations

Publicly confirmed substitute part numbers are not explicitly listed in the provided source material. Verify cross-reference data directly from official manufacturer documentation or authorized distributor databases to identify compatible alternatives.