WRE-531 WRE-532 WRE-533 WRE-540 WRE-541 assembly thermocouple, structure of thin film trimmer capacitor: Thin film trimmer capacitor uses organic plastic film as a medium, that is, an organic plastic film is added between the moving piece and the fixed piece (the moving piece and the fixed piece are semi-circular metal pieces), and the screws on the moving piece are adjusted. , You can change the capacity by rotating the moving piece. Film trimmer capacitors are generally divided into two trimmers and four trimmers. Some sealed double-connected or sealed four-connected variable capacitors have their own thin-film trimmer capacitors. The trimmer capacitors are installed on the top of the case, making it easier to use and adjust.
Advantages: small size, light weight, can be adjusted repeatedly, easy to use.
Uses: used in transistor radios, electronic instruments, electronic equipment.