BC547B General Purpose Transistor Features: • NPN general purpose transistors, especially suited for use in driver stages of audio amplifiers, low noise input stages of tape recorders, HI-FI amplifiers, signal processing circuits of television receivers. TO-92 Plastic PackageDimensionsMinimumMaximum A 4.32 5.33 B 4.45 5.20 C 3.18 4.19 D 0.41 0.55 E 0.35 0.50 F 5° G 1.40 1.14 H 1.53 K 12.70 - Dimensions : Millimetres Pin Configuration: 1. Collector 2. Base 3. Emitter Page <1> 12/05/08 V1.1