3DD4126PL PDF datasheet can download.
This product has MIDDLING VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR functions.
This is one of the semiconductor types. This part name is 3DD4126PL.
Manufacturers of the product is JILIN SINO.
Image and pinout :
Some of the text files within the PDF file
R NPN 型中压功率开关晶体管 MIDDLING VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR 3DD4126PL 主要参数 IC VCEO PC(TO-126) PC(TO-220) MAIN CHARACTERISTICS 3A 200V 40W 60W 封装 Package 用途 z z z z 节能灯 电子镇流器 电子变压器 一般功率放大电路 APPLICATIONS z Energy-saving ligh z Electronic ballasts z Electronic transformer z Commonly power amplifier circuit 产品特性 z 中耐压 z 高电流容量 z 高开关速度 z 高可靠性 z 环保（RoHS）产品 FEATURES z Middling breakdown voltage z High current capability z High switching speed z High reliability z RoHS product 订货信息 ORDER MESSAGE 订 货 型 号 Order codes 3DD4126PL-O-M-N-C 3DD4126PL-O-Z-N-C 印 记 否 否 无卤素 Halogen Free NO NO 封 装 包 装 Marking 4126PL D4126PL Package TO-126 TO-220 Packaging 袋装 Bag 袋装 Bag 版本：200910C 1/6 R 3DD4126PL ABSOLUTE RATINGS (Tc=25℃) 项 目 Par [ … ]
Please refer to the file for details.