
SD400N/R Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage VRRM , maximum repetitive VRSM , maximum non- IRRM max.
Type number Code peak reverse voltage repetitive peak rev. voltage @ TJ = TJ max.
VVmA
04 400 500
08 800 900
12 1200 1300
16 1600 1700
20 2000 2100
24 2400 2500
SD400N/R 15
IF(AV) Max. average forward current 400 A 180° conduction, half sine wave
@ Case temperature 120 °C
IF(AV) Max. average forward current 480 A 180° conduction, half sine wave
@ Case temperature 100 °C
IF(RMS) Max. RMS forward current 630 A DC @ 110°C case temperature
IFSM Max. peak, one-cycle forward, 8250 t = 10ms No voltage
non-repetitive surge current 8640 t = 8.3ms reapplied
6940 t = 10ms 100% VRRM
7270 t = 8.3ms reapplied Sinusoidal half wave,
I2t Maximum I 2t for fusing 340 t = 10ms No voltage Initial TJ = TJ max.
311 t = 8.3ms reapplied
241 t = 10ms 100% VRRM
220 t = 8.3ms reapplied
I2√t Maximum I 2√t for fusing 3400 KA2√s t = 0.1 to 10ms, no voltage reapplied
VF(TO)1 Low level value of threshold
voltage
VF(TO)2 High level value of threshold
voltage
rf1Low level value of forward
slope resistance
rf2High level value of forward
slope resistance
VFM Max. forward voltage drop 1.62 V Ipk= 1500A, T J = TJ max, tp = 10ms sinusoidal wave
Parameter SD400N/R Units Conditions
Forward Conduction
KA2s
A
V
mΩ
0.51 (I > π x IF(AV)),TJ = TJ max.
0.55 (16.7% x π x IF(AV) < I < π x IF(AV)), TJ = TJ max.
0.85 (I > π x IF(AV)),TJ = T J max.
0.80 (16.7% x π x IF(AV) < I < π x I F(AV)), TJ = TJ max.
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