Product Summary

The KS621K40 is a Darlington transistor module. It is a high power device. It is designed for use in switching applications. The modules are isolated, consisting of one Darlington transistor with a reverse parallel connected high-speed diode and base-to-emitter speed-up diode. The applications of this device include inverters, DC motor control, switching power supplies and AC motor control.

Parametrics

KS621K40 absolute maximum ratings: (1)junction temperature, Tj: -40 to 150℃; (2)storage temperature, Tstg: -40 to 125℃; (3)collector-emitter sustaining voltage, VBE=-2V, VCE: 1000V; (4)collector-base voltage, VCBO: 1000V; (5)emitter-base voltage, VEBO: 7V; (6)collector-emitter voltage, VCEV; 1000V; (7)continuous collector current, IC: 400A; (8)diode forward current, IFM: 400A; (9)continuous base current, IB: 20A; (10)diode surge current, IFSM: 4000A; (11)power dissipation, Pt: 3120W; (12)max mounting torque M8 terminal screws (E, C): 95in, lb; (13)max mounting torque M4 terminal screws (B, Ex, E): 12in, lb ; (14)max mounting torque M6 mounting screws: 26in, lb; (15)modular weight (Typical): 870Grams; (16)V isolation, VRMS: 2500V.

Features

KS621K40 features: (1)isolated mounting; (2)planar chips; (3)discrete fast recovery feedback diode; (4)high gain (hFE); (5)base-emitter speed-up diode.

Diagrams