© by SEMIKRON 0898 B 11 – 39
* available in limited quantities
1) For solder connection.
Permissible current for plug connection see DIN IEC 760E
and DIN 46249 part 1
2) Freel y sus pe nde d or moun ted on an ins ula tor
3) Mounted on a painted metal sheet of min. 250 x 250 x 1 mm
VRRM VRSM VVRMS ID (Tcase = 127 °C)
50 1) A
VVV
400
800
1200
1400
1600
1800
500
900
1300
1500
1700
1900
125
250
380
440
500
570
SKD 51/04
SKD 51/08
SKD 51/12
SKD 51/14
SKD 51/16
SKD 51/18*
Symbol Conditions SKD 51 Units
ID, IDCL Tcase = 127 °C
Tamb = 45 °C; isolated 2)
chassis 3)
R4A/120
P5A/100
P1A/120
50 1)
7
18
27
31
52
A
A
A
A
A
A
IFSM
i2t
Tvj = 25 °C; 10 ms
Tvj = 150 °C; 10 ms
Tvj = 25 °C; 8,3 ... 10 ms
Tvj = 150 °C; 8,3 ... 10 ms
775
700
3000
2450
A
A
A2s
A2s
VF
V(TO)
rT
IRD
trr
fG
Tvj = 25 °C; IF = 75 A
Tvj = 150 °C
Tvj = 150 °C
Tvj = 25 °C; VRD = VRRM
Tvj = 150 °C; VRD = VRRM
Tvj = 25 °C; IF = IR = 1 A
1,45
0,8
8,5
0,2
4
typ. 5
2000
V
V
mΩ
mA
mA
µs
Hz
Rthjc
Rthch
Rthja
per diode
total
total
isolated 2)
chassis 3)
P5A/100
R4A/120
P1A/120
1,1
0,183
0,1
9
3,15
1,8
1,15
0,883
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Tvj
Tstg
– 40 ... + 150
– 40 ... + 125 °C
°C
Visol
RC
M1
w
a. c. 50 Hz; r.m.s; 1 s/1 min
PR = 1 W
Case to heatsink S I uni ts
US units
3600 / 3000
50
0,1
4,5 ± 15 %
40 ± 15 %
97
V~
Ω
µF
Nm
lb. in.
g
Case → page B 11 – 38 G 51
Power Bridge Rectifiers
SKD 51
Features
•Glass passivated silicon chips
•Fast-on terminals for pcb solder
or plug-on connection
•Sturdy isolated metal base plate
•Low thermal impedance through
use of direct copper bonded
aluminum substrate (DCB)
•Blocking voltage up to 1800 V
•High surge currents
•UL recognized, file no. E63 532
Typical Applications
•Three phase rectifiers for power
supplies
•Input rectifiers for variable
frequency drives
•Rectifiers for DC motor field
supplies
•Battery charger rect if ier s
http://store.iiic.cc/
© by SEMIKRONB 11 – 40 0898
Fig. 3 Power dissipation vs. out put current and case temperature
http://store.iiic.cc/
© by SEMIKRONB 11 – 38 0896
http://store.iiic.cc/
