PWM Fan Speed Controller

General Descriptions The AP438/9 series’s PWM output has built-in NPN power transistor that controls the Fan current & Fan speed. AP439 built-in over temperature alarm flag. Features - Built-in 30Khz OSC provide 0~100 PWM output - Over Temperature Protector(OTP) flag. (AP439 only). - Open

文件：153.33 Kbytes 页数：8 Pages

ANACHIP

易亨电子

PWM Fan Speed Controller

General Descriptions The AP438/9 series’s PWM output has built-in NPN power transistor that controls the Fan current & Fan speed. AP439 built-in over temperature alarm flag. Features - Built-in 30Khz OSC provide 0~100 PWM output - Over Temperature Protector(OTP) flag. (AP439 only). - Open

文件：153.33 Kbytes 页数：8 Pages

ANACHIP

易亨电子

Silicon Variable Capacitance Diode (For VHF tuned circuit applications High figure of merit)

Silicon Variable Capacitance Diode Preliminary Data ● For VHF tuned circuit applications ● High figure of merit

文件：26.4 Kbytes 页数：2 Pages

SIEMENS

西门子

COMPLEMENTARY SILICON POWER TRANSISTORS

DESCRIPTION The BD439 and BD441 are silicon epitaxial-base NPN power transistors in Jedec SOT-32 plastic package, intented for use in power linear and switching applications. The complementary PNP types are BD440, and BD442 respectively. ■ SGS-THOMSON PREFERRED SALESTYPES ■ COMPLEMENTARY PNP -

文件：69.79 Kbytes 页数：4 Pages

STMICROELECTRONICS

意法半导体

NPN SILICON EPIBASE TRANSISTORS

NPN Silicon Epibase Transistors

文件：180.98 Kbytes 页数：5 Pages

SIEMENS

西门子