Details, datasheet, quote on part number: 444CNQSeries
CategoryDiscrete => Diodes & Rectifiers => Schottky Barrier Rectifiers => >100 Amp
Title>100 Amp
Description440 Amp Schottky Rectifier
CompanyInternational Rectifier Corp.
DatasheetDownload 444CNQSeries datasheet


Features, Applications

IF(AV) Rectangular waveform VRRM range IFSM 5 µs sine 220Apk, TJ=125°C (per leg) range

The 444CNQ center tap Schottky rectifier module series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation 125 °C junction temperature. Typical applications are in high current switching power supplies, plating power supplies, UPS systems, converters, free-wheeling diodes, welding, and reverse battery protection. °C TJ operation Center tap module High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability

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

IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 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 5µs Sine or 3µs Rect. pulse = 25 °C, IAS = 40 Amps, 0.34 mH Current decaying linearly to zero in 1 µsec 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)

= 5VDC, (test signal range 1Mhz) 25°C From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change (Rated VR)
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range

to °C °C/W DC operation °C/W DC operation °C/W Mounting surface , smooth and greased g (oz.) Kg-cm (Ibf-in) * See Fig. 4

RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink wt Approximate Weight T Mounting Torque Base Min. Max. Mounting Torque Center Hole Typ. Terminal Torque Min. Max. Case Style

Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg)
Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg)
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg)

t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)


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