2sc4242.pdf datasheet:

UNISONIC TECHNOLOGIES CO., LTD 2SC4242 NPN SILICON TRANSISTOR SWITCHMODE SERIES NPN POWER TRANSISTORS DESCRIPTION The UTC 2SC4242 is a high-voltage, high-speed switchingpower transistor and designed particularly for 115 and 220V switch mode applications, such as switching regulators, inverters, DC-DC converter and general purpose power amplifiers. FEATURES * Low saturation voltage. * Switching time: tF=0.5s (Max.)@ IC=5.0A * High reliability *Pb-free plating product number: 2SC4242L ORDERING INFORMATION Ordering Number Pin Assignment Package Packing Normal Lead Free Plating 1 2 32SC4242-TA3-T 2SC4242L-TA3-T TO-220 B C E Tube2SC4242L-TA3-T(1)Packing Type (1) T: Tube(2)Package Type(2) TA3: TO-220(3)Lead Plating(3) L: Lead Free Plating, Blank: Pb/Snwww.unisonic.com.tw 1 of 4 Copyright 2008 Unisonic Technologies Co., Ltd QW-R