Ⅰ. EF20 high frequency transformer size（unit：mm）NamePatternLengthWidthHeight1side PIN(PIN distance)2side PIN(PIN distance)aarray pitchneedle ?diameterEF16-01vertical17.512.020.033.733.77.5?0.6EF16-02horizontal17.518.012.533.833.812.6?0.6EF16-03horizontal18.519.014.543.543.515.7?0.6EF16-04horizontal18.520.014.572.572.515.2?0.6Ⅱ. EF20 high frequency transformer performance1.working frequency：20kHz-500KHz2.output power：8.0 to 25 W3.operating temperature：-40℃ to +125℃4.storage temperature：-25℃ to +85℃5.Store humidity：30 to 95%Ⅲ. EF20 high frequency transformer featureThe characteristics pf EF20 high frequency transformer is small size, winding is convenient, the price is moderate,high reliability.Ⅳ.EF20 high frequency transformer useEF20 high frequency transformer is usually apply to DC-DC transformers,driver transformer,digital camera ,common-mode inductor and switch power supply, etc.Ⅴ. EF20 high frequency transformer priceEF20 high frequency transformer’s price is from RMB 1.3-3.5.The price is mainly depends on the complexity process of the product, customer demand for raw materials and the safety certificate etc.