2SC3858

Single Bipolar Transistors Overview

The Sanken Electric 2SC3858 is a silicon NPN triple diffused planar power transistor designed for audio and general-purpose applications. It features a collector-emitter breakdown voltage of 200V, a continuous collector current of 17A, and a maximum power dissipation of 200W at 25°C case temperature. The device has a transition frequency of 20MHz and operates within a junction temperature range of -55°C to +150°C. It serves as the complementary NPN counterpart to the 2SA1494 PNP transistor.

Single Bipolar Transistors Feature Summary

• Triple diffused planar construction for high reliability
• Designed specifically for audio and general-purpose amplification
• Complementary pairing with 2SA1494

Single Bipolar Transistors Applications

• Audio amplifiers
• General purpose switching

Single Bipolar Transistors Procurement Notes

Verify component authenticity through authorized Sanken Electric distributors or certified suppliers. Confirm RoHS compliance status and check for specific hFE binning requirements (Y, P, G) if gain matching is critical for the design. Ensure proper thermal management solutions are integrated given the 200W dissipation rating.

Single Bipolar Transistors Selection Notes

Select this component when a high-current NPN power transistor is required for audio output stages or robust general-purpose switching tasks. It is intended to be used in push-pull configurations alongside its complement, the 2SA1494. Consider the MT-200 package constraints and thermal resistance characteristics during circuit layout.

Single Bipolar Transistors Part Context

This part belongs to Sanken Electric's lineup of silicon NPN triple diffused planar transistors. It is functionally paired with the 2SA1494 to form complete amplifier stages. The series targets high-power audio and industrial applications requiring stable performance under significant electrical loads.

Single Bipolar Transistors Replacement Considerations

The official complementary pair is the 2SA1494. Verify pinout compatibility and thermal characteristics before substituting with other NPN power transistors from different manufacturers.

Single Bipolar Transistors FAQ

What is the complementary transistor for the 2SC3858?

The 2SC3858 is the complementary NPN counterpart to the 2SA1494 PNP transistor.

What is the maximum power dissipation rating?

The maximum power dissipation is 200W when the case temperature is maintained at 25°C.

Is this component recommended for new designs?

No, the datasheet explicitly states that the 2SC3858 is not recommended for new designs.