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| SDD70 Diode-Diode Modules Dimensions in mm (1mm=0.0394") Type SDD70N08 SDD70N12 SDD70N14 SDD70N16 SDD70N18 VRSM V 900 1300 1500 1700 1900 VRRM V 800 1200 1400 1600 1800 Symbol IFRMS IFAVM TVJ=TVJM TC=100oC; 180o sine TVJ=45oC VR=0 TVJ=TVJM VR=0 TVJ=45oC VR=0 TVJ=TVJM VR=0 Test Conditions Maximum Ratings 150 70 Unit A IFSM t=10ms (50Hz), sine t=8.3ms (60Hz), sine t=10ms(50Hz), sine t=8.3ms(60Hz), sine t=10ms (50Hz), sine t=8.3ms (60Hz), sine t=10ms(50Hz), sine t=8.3ms(60Hz), sine 1400 1650 1200 1400 9800 11300 7200 8100 -40...+150 150 -40...+125 A i2dt A2s TVJ TVJM Tstg VISOL Md Weight 50/60Hz, RMS _ IISOL<1mA t=1min t=1s o C 3000 3600 2.5-4/22-35 2.5-4/22-35 90 V~ Nm/lb.in. g Mounting torque (M5) Terminal connection torque (M5) Typical including screws SDD70 Diode-Diode Modules Symbol IR VF VTO rT QS IRM RthJC RthJK dS dA a per diode; DC current per module per diode; DC current per module TVJ=TVJM; VR=VRRM IF=200A; TVJ=25 C o Test Conditions Characteristic Values 10 1.48 0.8 3 100 24 0.51 0.255 0.71 0.355 12.7 9.6 50 Unit mA V V m uC A K/W K/W mm mm m/s2 For power-loss calculations only TVJ=TVJM TVJ=125 C; IF=50A; -di/dt=3A/us o Creepage distance on surface Strike distance through air Maximum allowable acceleration FEATURES * International standard package * Copper base plate * Planar passivated chips * Isolation voltage 3600 V~ APPLICATIONS * Supplies for DC power equipment * DC supply for PWM inverter * Field supply for DC motors * Battery DC power supplies ADVANTAGES * Space and weight savings * Simple mounting * Improved temperature and power cycling * Reduced protection circuits SDD70 Diode-Diode Modules Fig. 1 Surge overload current IFSM: Crest value, t: duration Fig. 2 i2dt versus time (1-10 ms) Fig. 2a Maximum forward current at case temperature Fig. 3 Power dissipation versus forward current and ambient temperature (per diode) Fig. 4 Single phase rectifier bridge: Power dissipation versus direct output current and ambient temperature R = resistive load L = inductive load 2 x SDD70 SDD70 Diode-Diode Modules Fig. 5 Three phase rectifier bridge: Power dissipation versus direct output current and ambient temperature 3 x SDD70 Fig. 6 Transient thermal impedance junction to case (per diode) RthJC for various conduction angles d: d DC 180oC 120oC 60oC 30oC RthJC (K/W) 0.51 0.53 0.55 0.58 0.62 Constants for ZthJC calculation: i 1 2 3 Rthi (K/W) 0.013 0.055 0.442 ti (s) 0.0015 0.045 0.485 Fig. 7 Transient thermal impedance junction to heatsink (per diode) RthJK for various conduction angles d: d DC 180oC 120oC 60oC 30oC RthJK (K/W) 0.71 0.73 0.75 0.78 0.82 Constants for ZthJK calculation: i 1 2 3 4 Rthi (K/W) 0.013 0.055 0.442 0.2 ti (s) 0.0015 0.045 0.485 1.25 |
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