Details, datasheet, quote on part number: 249NQSeries
CategoryDiscrete => Diodes & Rectifiers => Schottky Barrier Rectifiers => >100 Amp
Title>100 Amp
Description240 Amp Schottky Rectifier
CompanyInternational Rectifier Corp.
DatasheetDownload 249NQSeries datasheet


Features, Applications

IF(AV) Rectangular waveform VRRM range IFSM 5 s sine 240Apk, TJ=125C range

The 249NQ...(R) high current Schottky rectifier module series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation 175 C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. C TJ operation Unique high power, Half-Pak module Replaces four parallel DO-5's Easier to mount and lower profile than DO-5's 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

Outline D-67 HALF PAK Module 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 * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current

50% duty cycle 117 C, rectangular wave form Following any rated load condition and 10ms Sine or 6ms Rect. pulse with rated VRRM applied 5s Sine or 3s Rect. pulse = 25 C, IAS = 1 Amps, 30 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. x VR typical

Max. Reverse Leakage Current (1) * See Fig. 2 Max. Junction Capacitance Typical Series Inductance
= 5VDC, (test signal range 25 C From top of terminal hole to mounting plane (Rated VR)
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range

RthJC Max. Thermal Resistance Junction to Case RthCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque Terminal Torque Case Style Min. Max. Min. Max.

Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
Fig. 1 - Max. Forward Voltage Drop Characteristics
t1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics


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