2SC4645E-AN

Single Bipolar Transistors Overview

The onsemi 2SC4645E-AN is a single NPN bipolar junction transistor designed for through-hole mounting in the 3-NMP package. It features a collector-to-emitter voltage rating of 400 V and a continuous collector current capacity of 1 A. The device exhibits a transition frequency of 70 MHz and supports a maximum power dissipation of 1 W. It operates within a junction temperature range up to 150°C, providing robust performance for high-voltage switching and amplification applications requiring reliable thermal management.

Single Bipolar Transistors Feature Summary

• High breakdown voltage capability suitable for elevated potential circuits
• Large current handling capacity for demanding load requirements
• Through-hole construction for standard board integration

Single Bipolar Transistors Applications

• High-voltage switching circuits
• General-purpose amplifier stages
• Power supply output regulation

Single Bipolar Transistors Procurement Notes

Verify component authenticity by cross-referencing the manufacturer's part number with official datasheets. Ensure the specific suffix matches the required electrical characteristics. Confirm that the 3-NMP package dimensions align with the target PCB footprint. Check for RoHS compliance status if environmental regulations apply to the final assembly. Validate supplier authorization to guarantee original product sourcing.

Single Bipolar Transistors Selection Notes

Select this component when circuit design requires a single NPN transistor capable of blocking 400 V while conducting up to 1 A. The 70 MHz transition frequency supports moderate-speed switching operations. Consider the 3-NMP through-hole package for mechanical stability or legacy board layouts. Evaluate thermal dissipation requirements against the 1 W power limit during operation.

Single Bipolar Transistors Part Context

This transistor belongs to the family of small-signal bipolar devices manufactured by onsemi. It utilizes epitaxial planar silicon technology to achieve its specified voltage and current ratings. The component serves as a discrete active element in electronic systems, distinct from integrated circuits or multi-transistor arrays.

Single Bipolar Transistors Replacement Considerations

Consult official substitution guides for equivalent NPN transistors with matching 400 V and 1 A ratings. Verify pinout compatibility before swapping components. Ensure replacement parts meet the same thermal and electrical specifications.