400DMQ...Series Datasheet

>100 Amp


Features, Applications

IF(AV) Rectangular waveform VRRM range IFSM 5 �s sine @200Apk, TJ=125�C (per leg) range A V

The 400DMQ high current, Schottky rectifier doubler module series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation 150 �C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, welding, and reverse battery protection. �C TJ operation High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability

Modified JEDEC Outline TO-244AB Isolated Dimensions in millimeters and (inches)
VR Max. DC Reverse Voltage (V) 40 45 VRWM Max. Working Peak Reverse Voltage (V)

I F(AV) Max. Average Forward Current (Per Device) I FSM Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) I AR Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) mJ A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5�s Sine or 3�s Rect. pulse = 25 �C, IAS = 40 Amps, 0.22 mH Current decaying linearly to zero in 1 �sec Frequency limited by TJ max. x VR typical

VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1)

Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) (Rated VR)

= 5VDC, (test signal range 1Mhz) 25�C From top of terminal hole to mounting plane
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range

RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction RthCS T to Case (Per Package) Typical Thermal Resistance, Case to Heatsink Approximate Weight Mounting Torque Base Mou ue Center Hole TerminalTorque Case Style

(2.80) g (oz.) Min. 24(20) Max. 35 (30) Kg-cm Typ. 13.5 (12) (Ibf-in) Min. 35 (30) Max. - 244AB isolated doubler Modified JEDEC

Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage
Forward Voltage Drop V FM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics



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