| Parameter | КТ644А | КТ644Б | КТ644В | КТ644Г | |
|---|---|---|---|---|---|
Collector surge current | IC-i | <1 A | |||
Collector-base voltage at a given reverse collector current and open emitter circuit | UCBO | <60 V | |||
Voltage between the collector and the emitter of the transistor with an open base circuit and a given emitter current | UCEO | <60 V | <60 V | <40 V | <40 V |
Constant power dissipated on the transistor collector | PC | <1 W | |||
Static current transfer coefficient of bipolar transistor | hFE | 40 ~ 120 | 100 ~ 300 | 40 ~ 120 | 100 ~ 300 |
Обратный ток коллектора. Ток через коллекторный переход при заданном обратном напряжении коллектор-база и разомкнутом выводе эмиттера | ICB-R | <1 µA | |||
Limit frequency of current transfer coefficient of a bipolar transistor | fh21 | <200 MHz | |||
Noise factor | NF | <400 mdB | |||
Bipolar transistor structure | Structure | PNP | |||
Transistor collector power with heatsink | PC-HS | <12.5 W | |||