BFU520WF – NPN Wideband RF Transistor 60mm Plastic 38 teeth Gear SEL=0 then o/p=WEIGAND

SEL=0 then o/p=WEIGAND

personal identification

These are Metal Film Resistor with a value of 820k ohm 2W and tolerance of ±5%

This is a DC Motor

BFU520WF – NPN Wideband RF Transistor 60mm Plastic 38 teeth Gear SEL=0 then o/p=WEIGANDThe BFU520WF is a high performance NPN RF transistor designed for wideband applications in RF communication, low noise amplifiers (LNA), and signal processing circuits. This transistor provides low noise, high gain, and excellent linearity, making it suitable for high frequency applications such as wireless communication, satellite receivers, and industrial RF systems. Features High Gain and Low Noise Optimized for RF and microwave applications.