BD138-10

The BD138-10 is a bipolar junction transistor (BJT) manufactured by On Semiconductor. This component is categorized under discrete semiconductor products, specifically as a single, pre-biased transistor.

Key specifications include RoHS3 compliance, indicating adherence to environmental standards for hazardous substances. The Moisture Sensitivity Level (MSL) is rated at 1 Unlimited, signifying a high level of resistance to moisture. The REACH status is unaffected, suggesting compliance with European regulations regarding chemical substances.

The transistor is housed in a TO-225AA package, suitable for through-hole mounting. While specific electrical characteristics such as voltage, current, and power dissipation are not detailed in the provided data, its classification as a pre-biased transistor suggests it is designed for specific switching or amplification applications where internal biasing simplifies circuit design.

This component is part of the broader category of transistors, which are fundamental building blocks in electronic circuits for amplifying or switching electronic signals. Its specific application context would depend on its detailed electrical parameters, which are not fully available.