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首页 > 电子元器件选型 > 晶体管 > 其他晶体管

BC557

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BC557
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TRANSISTOR,BJT,PNP,45V V(BR)CEO,100MA I(C),TO-92

市场均价:
¥0.8697
市场总库存:
-
生命周期状态: Obsolete
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BC557 Fairchild Semiconductor Corporation 也适用于 BC557BU ,BC557BTF ,BC557B 等其余5个型号 BC557 ON Semiconductor 也适用于 BC557BU ,BC557BTF ,BC557BTA 等其余8个型号 BC557C ON Semiconductor 也适用于 BC558B ,BC556B ,BC557A 等其余13个型号 P89V662 NXP Semiconductors 也适用于 P89V662 ,P89V662FBC,557

参考设计

(1)
13.65V@1.5A 20W with UCC28610
PMP5600: This PMP5600 is a quasi-resonant isolated flyback, starting from high line and delivering 13.65V @ 1.5A. The converter "reads" the mains frequency by means of capacitors and a small SOT-23 Mosfet. A short on a test point reduces the output voltage to 8.34V performing a battery test function
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