Pack contains 39 pieces of BC857B7F in the SOT233 package. This PNP generalpurpose transistor is designed for smallsignal switching and amplification in compact, lowpower circuits. The BC857B7F belongs to the BC857 family and offers medium gain within the B group for reliable, predictable performance in a range of applications. Key benefits Compact SOT233 package enables spaceefficient mounting on printed circuit boards and compatibility with standard surfacemount production processes. PNP generalpurpose transistor suitable for side switching and smallsignal amplification in lowpower designs. Silicon junction provides stable electrical characteristics suitable for a variety of common electronics applications. Mediumgain (group B) variant delivers dependable amplification characteristics across typical operating conditions. Pack of 39 pieces supports prototyping, stocking, and production runs without frequent reorders. Key attributes Function: PNP transistor in a threeterminal SOT233 package. Model: BC857B7F (BC857B family). Package: SOT233, surfacemount footprint. Terminals: Emitter, Base, Collector. Material: Silicon. Type: General purpose transistor suitable for lowpower, smallsignal applications. Gain group: B (medium gain). Compatibility: Suitable for use in standard lowpower electronic designs requiring smallsignal amplification or side switching. Applications and use cases side switching in microcontrollerdriven projects for small loads such as LEDs, sensors, or relays. Signal amplification and buffering in sensor frontends or audio/light sensing circuits. Level shifting and inversion stages in digital logic or smallformfactor analog circuits. Notes For exact electrical characteristics, operating limits, and thermal behavior, refer to the BC857B7F datasheet.