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Machine tool control circuit PQ20 transformer bobbinBest selling product ,Smart electricity meter PQ20 transformer bobbin. Coil former size=18.7mX16.6mmX11.15mm,The applications are mainly concentrated on low-power devices such as notebook adapters and small LED power supplies. Relying on the "small volume and high power" advantages of the PQ series, it can reduce the space occupied by the PCB and meet the compact design requirements of portable electronic devices.