BC817-16

Overview

The BC817-16 is an NPN silicon general-purpose transistor manufactured by Taiwan Semiconductor Corporation. It operates with a maximum collector-emitter voltage of 45 V and supports a continuous collector current of 500 mA. The device features a minimum DC current gain (hFE) of 160 at 100 mA and 1 V, ensuring reliable amplification performance. Its transition frequency is rated at 100 MHz, suitable for high-speed switching applications. Power dissipation reaches 300 mW in the SOT-23 package, with an operating temperature range spanning from -55 °C to +150 °C.

Feature Summary

• Provides three distinct current gain selections to accommodate varying circuit requirements
• Engineered for high power dissipation capability within a compact surface-mount footprint
• Supports automatic optical inspection of solder joints due to side-wettable flank design

Applications

• General-purpose switching circuits
• Medium power amplifier stages
• Space-restricted electronic designs requiring small form factors

Procurement Notes

Verify the specific manufacturer designation, as the BC817-16 part number is utilized by multiple semiconductor producers including Nexperia and Taiwan Semiconductor. Confirm that the datasheet corresponds exactly to the intended vendor specifications regarding electrical limits and thermal characteristics before finalizing procurement decisions.

Selection Notes

Select this component when a standard NPN transistor with moderate current handling and defined gain bands is required. The availability of specific hFE rankings allows designers to optimize biasing without extensive sorting. Ensure the chosen variant matches the required package style and thermal management capabilities for the target application environment.

Part Context

This device belongs to the widely adopted BC817 family of NPN general-purpose transistors. These components are standard replacements for legacy through-hole devices in modern surface-mount assemblies. The series offers complementary PNP counterparts, facilitating balanced push-pull configurations in audio and signal processing circuits.

Replacement Considerations

Direct substitutes include the BC817-16 from Nexperia or Diotec Semiconductor. Verify pinout compatibility and ensure the replacement part meets the same 45 V and 500 mA ratings.