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| SDD36 Diode-Diode Modules Dimensions in mm (1mm=0.0394") Type SDD36N08 SDD36N12 SDD36N14 SDD36N16 SDD36N18 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 60 36 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 650 760 580 630 2100 2400 1700 1900 -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 SDD36 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=80A; TVJ=25 C o Test Conditions Characteristic Values 10 1.38 0.8 6.1 50 6 1.0 0.5 1.2 0.6 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=25A; -di/dt=0.6A/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 SDD36 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 SDD36 SDD36 Diode-Diode Modules Fig. 5 Three phase rectifier bridge: Power dissipation versus direct output current and ambient temperature 3 x SDD36 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) 1.00 1.02 1.04 1.07 1.10 Constants for ZthJC calculation: i 1 2 3 Rthi (K/W) 0.01 0.03 0.96 ti (s) 0.0012 0.095 0.455 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) 1.20 1.22 1.24 1.27 1.30 Constants for ZthJK calculation: i 1 2 3 4 Rthi (K/W) 0.01 0.03 0.96 0.2 ti (s) 0.0012 0.095 0.455 0.495 |
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