Product Summary

The QCA50AA120 is a dual Darlington power transistor module which has series- connected high speed, high power Darlington transistors. Each transistor has a reverse paralleled fast recovery diode. The mounting base of the module is electrically isolated from semiconductor elements for simple heatsink construction. The applications of the QCA50AA120 are Motor Control(VVVF), AC/DC Servo, UPS, Switching Power Supply, Ultrasonic Application.

Parametrics

QCA50AA120 absolute maximum ratings: (1)Collector-Base Voltage: 1200 V; (2)Collector-Emitter Voltage VBE=-2V: 1200 V; (3)Emitter-Base Voltage: 10V; (4)Collector Current: 50A; (5)Reverse Collector Current: 50 A; (6)Base Current: 3A; (7)Total power dissipation TC=25℃: 400 W; (8)Junction Temperature:-40 to +150 ℃; (9)Storage Temperature:-40 to +125 ℃; (10)solation Voltage A.C.1minute: 2500 V.

Features

QCA50AA120 features: (1)IC=50A, VCEX=1200V; (2)Low saturation voltage for higher efficiency; (3)High DC current gain hFE; (4)Isolated mounting base.

Diagrams

QCA50AA120 package dimensions