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| Advanced Technical Information DH 20-18A IFAVM = 20 A VRRM = 1800 V Fast Recovery Diode SONIC-FRDTM series VRSM V 1800 VRRM V Type A C TO-247 AD C 1800 DH 20-18A A C A = Anode, C = Cathode Symbol IFRMS IFAVM IFRM IFSM EAS IAR TVJ TVJM Tstg Ptot Md Weight Symbol IR VF VT0 rT RthJC RthCH trr IRM S RSF trr IRM S RSF Conditions TVJ = TVJM TC = 80C; rectangular, d = 0.5 tP < 10 s; rep. rating, pulse width limited by TVJM TVJ = 45C; tp = 10 ms (50 Hz), sine TVJ = 25C; non-repetitive IAS = tbd A; L = 100 H VA = 1.5*VR typ.; f = 10 kHz; repetitive Maximum Ratings 70 20 200 150 tbd tbd -40...+150 150 -40...+150 A A A A mJ A C C C W Nm g Features * Small temperature dependence for - forward voltage drop - reverse recovery current * Optimized for - dynamic avalanche ruggedness - low loss performance * Exceptionally soft recovery * Low reverse recovery current characteristic * Soft recovery current without tail * Optimized for high frequency hard switching Applications * Antiparallel diode for high frequency switching devices * Anti saturation diode * Snubber diode * Free wheeling diode in converters and motor control circuits * Rectifiers in switch mode power supplies (SMPS) * Induction heating and melting * Uninterruptible power supplies (UPS) * Ultrasonic cleaners and welders TC = 25C Mounting torque 140 0.8...1.2 6 Conditions TVJ = 25C TVJ = 125C IF = 20 A; VR = VRRM VR = VRRM TVJ = 125C TVJ = 25C Characteristic Values typ. max. 20 0.4 2.5 2.5 50 A mA V V V m K/W K/W Dimensions 2.9 2.1 44 0.9 For power-loss calculations only TVJ = TVJM 0.25 IF = 20 A; -di/dt = 450 A/s; VR = 1200 V; TVJ = 25C tb /ta diF/dt / diR/dt IF = 20 A; -di/dt = 450 A/s; VR = 1200 V; TVJ = 125C tb /ta diF/dt / diR/dt 230 23 3.6 tbd 400 27 7 tbd Dim. ns A Millimeter Min. Max. 19.81 20.32 20.80 21.46 15.75 16.26 3.55 3.65 4.32 5.4 1.65 1.0 10.8 4.7 0.4 1.5 5.49 6.2 2.13 4.5 1.4 11.0 5.3 0.8 2.49 Inches Min. Max. 0.780 0.819 0.610 0.140 0.170 0.212 0.065 0.040 0.426 0.185 0.016 0.087 0.800 0.845 0.640 0.144 0.216 0.244 0.084 0.177 0.055 0.433 0.209 0.031 0.102 516 A B C D ns A E F G H J K L M Data according to IEC 60747 IXYS reserves the right to change limits, test conditions and dimensions N (c) 2005 IXYS All rights reserved 1-1 |
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