onsemi Small Signal NPN Transistor 200 mA 50 V 3-Pin SOT-23 MMBT6428LT1G

onsemi MMBT6428LT1G is a small signal NPN transistor designed primarily for low power switching and amplification in various electronic circuits. The device is housed in a compact 3-pin SOT-23 surface mount package, making it suitable for dense PCB applications in consumer electronics, industrial instrumentation, and communication equipment.

The transistor supports a maximum DC collector current of 200 mA and a collector emitter voltage of up to 50 V, enabling it to operate efficiently in low power signal amplification and switching roles. It assures a minimum DC current gain (hFE) of 250, ensuring effective signal integrity and gain. The device has a maximum power dissipation of 225 mW, suitable for circuits with moderate thermal requirements.

Its operational temperature range from -55°C to 150°C allows deployment in a broad array of environments including industrial, automotive, and commercial settings, although it is not automotive qualified. With a maximum transition frequency of 100 MHz, this transistor supports applications requiring high frequency operation such as mixers and oscillators.

The small size with 3.04 mm length, 2.64 mm width, and 1.11 mm height facilitates compact board layouts. The maximum collector base voltage is rated at 60 V dc and maximum emitter base voltage is 6 V. This device is optimized for surface mounting, improving manufacturing throughput.

This transistor is vital for signal amplification and switching in electronic circuits. Its small SOT-23 package saves PCB real estate in compact electronic devices. Designed for industrial, consumer electronics, and communication applications.

Typical uses include signal amplification, switching, and high frequency operations up to 100 MHz. Not suitable for automotive applications due to lack of automotive qualification.

For engineers and designers, the onsemi MMBT6428LT1G provides a reliable and compact solution for low power transistor needs. It belongs in any catalog section dedicated to bipolar transistors and discrete semiconductors, ensuring ease of sourcing for electronic manufacturing and repair.

Explore related transistor solutions and electronics components in the Bipolar Transistors category on EnvMart for diverse industrial, laboratory, and commercial applications.