Vishay SD3553C..S20R SERIES Data Sheet
Preliminary Data Sheets I2098
SD3553C..S20R SERIES
FAST RECOVERY DIODES
Features
High power FAST rectifier diode series
2.0 µs recovery time
High voltage ratings up to 2500 V
High current capability
Optimized turn on and turn off characteristics
Low forward recovery
Fast and soft reverse recovery
Press-puk encapsulation
Case style B-44 (R-PUK)
Maximum junction temperature 125°C
Typical Applications
Snubber diode for GTO
High voltage free-wheeling diode
Fast recovery rectifier applications
Hockey Puk Version
3500 A
Major Ratings and Characteristics
Parameters SD3553C..S20R Units
I
F(AV)
@ T
hs
I
F(RMS)
@ T
hs
I
FSM
I2t @ 50Hz 11045 KA2s
I2√t 110450 KA2√s
V
/V
DRM
t
rr
T
J
@ 50Hz 47 KA
@ 60Hz 50 KA
@ 60Hz 10375 KA2s
range 1600 to 2500 V
RRM
@ T
J
range - 40 to 150 °C
3500 A
55 °C
6540 A
25 °C
2.0 µs
25 °C
case style B-44 (R-PUK)
1
SD3553C..S20R Series
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Voltage V
, maximum repetitive V
RRM
, maximum non- I
RSM
RRM
Type number Code peak reverse voltage repetitive peak rev. voltage @ T
VVmA
16 1600 1700
SD3553C..S20R 20 2000 2100 100
25 2500 2600
Forward Conduction
Parameter SD3553C..R Units Conditions
I
F(AV)
I
F(RMS)
I
FSM
2
I
Maximum average forward current 3500 (1690) A 180° conduction, half sine wave
@ Heatsink temperature 55 (85) °C Double side (single side) cooled
Maximum RMS forward current 6540 A @ 25°C heatsink temp. double side cooled
Maximum peak, one-cycle forward, 47.0 KA t = 10ms No voltage
non-repetitive surge current 50.0 t = 8.3ms reapplied
40.2 t = 10ms 100% V
RRM
42.6 t = 8.3ms reapplied Sinusoidal half wave,
t Maximum I2t for fusing 11045 KA2s t = 10ms No voltage Initial TJ = TJ max.
10375 t = 8.3ms reapplied
max.
= 150°c
J
8080 t = 10ms 50% V
RRM
7531 t = 8.3ms reapplied
2
√t Maximum I2√t for fusing 110450 KA2√s t = 0.1 to 10ms, no voltage reapplied
I
V
V
r
f1
r
f2
V
Low level value of threshold voltage 1.082 V (16.7% x π x I
F(TO)1
High level value of threshold voltage 0.160 (π x I
F(TO)2
F(AV)
Low level value of forward slope resistance 1.174 mΩ (16.7% x π x I
High level value of forward slope resistance 0.152 (π x I
Maximum forward voltage drop 2.04 V TJ = 150°C, IFM = 6000A
FM
F(AV)
< I < π x I
F(AV)
< I < 20 x π x I
< I < π x I
F(AV)
< I < 20 x π x I
F(AV)
), TJ = TJ max.
F(AV)
F(AV)
), TJ = TJ max.
F(AV)
Recovery Characteristics
Code Test Conditions Max. values @ TJ = 150°C
S20 2 .0 1000 60 -50 5.50 1000 200
TJ = 25°C
Typical T
@ 25% I
rr
RRM
I
pk
di/dt V
r
t
rr
Square Pulse @ 25% I
Q
RRM
(µs) (A) (A/µs) (V) (µs) (µC) (A)
I
I
rr
rr
FM
di
dt
t
rr
), TJ = TJ max.
), TJ = TJ max.
Q
rr
I
(REC)
RM
t
2Preliminary Data Sheets I2098
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