© by SEMIKRON B 11 – 61
SEMIPONT® 2
Contro lla bl e Br idg e
Rectifiers
SKCH 40 SKDT 60
SKBT 40 SKDT 100
SKDH 100
SKCH SKBT
SKDH SKDT
Features
•Fully contro lled single an d three
phase br idge rectifiers
•Robust plastic case with screw
terminals
•Large, isolated base plate
•Blocking voltage to 1600 V
•High surge currents
•Easy chassis mounting
•UL recognized, file no. E 63 532
Typica l A pplications
•SKCH, SKDH, SKDT for DC
drives with a fixed dir ec tion of
rotation
•SKBT, SKDT for reversin g DC
drives
•Controlled field rectifiers for DC
motors
•Controlled battery charger
rectifiers
VDRM ID (Tcase = ... °C, full conduction)
VRSM
VRRM 40 A 40 A 100 A 60 A 100 A
V (92 °C) (92 °C) (84 °C) (86 °C) (84°C)
SKCH SKBT SKDH SKDT SKDT
400 40/04 – – 60/04 –
800 40/08 40/08 100/08 60/08 100/08
1200 40/12 40/12 100/12 60/12 100/12
1400 40/14 40/14 100/14 60/14 100/14
1600 40/16 – – –
Symbol Conditions SKCH 40 SKDT SKDH 100 Units
SKBT 40 60 SKDT 100
IDTcase = 85 °C;inductive load 46 61 98 A
Tamb = 45 °C, chassis1) 15 16 20 A
P13A/125 18 21 25 A
R4A/120 18 A
P1A/120 28 34 45 A
Tamb = 35 °C, P1 A/1 20 F 4 7 57 85 A
P3/180 F 55 65 95 A
ITSM Tvj = 25 °C, 10 ms 470 470 1000 A
Tvj = 125 °C, 10 ms 400 400 850 A
i2tT
vj = 25 °C, 8, 3...1 0 ms 1100 1100 5000 A2s
Tvj = 125 °C, 8,3...10 ms 800 800 3600 A2s
(di/dt)cr Tvj = 125 °C , 50 Hz 50 A/µs
(dv/dt)cr Tvj = 125 °C, 2/3 VDRM 500 V/µs
IHTvj = 25 °C, typ./max. 100/200 mA
ILTvj = 25 °C, typ . /max. 2 50 / 400 mA
VTTvj = 25 °C; (IT = ...) 2,3 2,3 1,95 V
(75) (75) (200) A
VT(TO) Tvj = 125 °C 1,0 1,0 1,0 V
rTTvj = 125 °C16164,5mΩ
IDD; IRD Tvj = 125 °C; VDD = VDRM
VRD = VRRM 10 10 15 mA
VGT Tvj = 25 °C, VD = 6 V 3 V
IGT Tvj = 25 °C, VD = 6 V 150 mA
VGD Tvj = 125 °C, VD = 6 V 0,25 V
Rthjc per thyristor/diode 1,0 1,0 0,85 °C/W
total 0,25 0,167 0,141 °C/W
Rthch total 0,05 °C/W
Tvj, Tstg – 40...+ 125 °C
Visol a.c. 50...60H z ;r .m.s. ;1s/1min 3600 / 3000 V∼
M1to heatsink SI (US) units 5 (4 4 l b.i n.) ± 15 % Nm
M2to t e r m inals 3 (2 6 l b.in .) ± 15 % Nm
w165g
Case G 19 G 53
G 20 G 21 G 21
1) Painted m etal sheet of mi nim um 250 x 2 50 x 1 m m: Rthca = 1,8 °C/W
0898
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© by SEMIKRONB 11 – 62
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© by SEMIKRON B 11 – 630597
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© by SEMIKRONB 11 – 64 0896
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© by SEMIKRON B 11 – 65
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© by SEMIKRONB 11 – 66
Rectifier Heatsink wR
thca Rthca
natural cooling forced cooling
kg °C/W °C/W
SKB 15 P 5A/100 0,28 1,7 –
P 5A/100 0,28 1,55 –
SKB 25, SKD 2 5 R 4A/120 0,6 1,45 –
P 1/120 1,3 0,75 –
SKBH 28, SKBT 28, P 5A/100 0,28 1,5 –
SKBZ 28, SKCH 28 R 4A/120 0,6 1,4 –
SKB 30, SKD 30, SKD 31 P 1/120 1,3 0,7 –
P13A/125 0,6 1,35 –
SKB 33, SKB 50, SKD 50 P1/120 1,3 0,65 0,30
P 5A/100 0,28 1,45 –
SKBT 40, SKCH 40 R 4A/ 120 0,6 1,35 –
SKB 60, SKD 60, SKDT 60 P 13A/125 0,6 1,30 –
SKB 52, SKD 62, SKB 72 P 15/180 1,7 0,8 0,30
SKD 82, SKD 100, SKDT 100 P 1/120 1,3 0,65 0,20
SKD 110, SKD 160 P 3/180 3,1 0,5 0,18
P 1/200 2,2 0,52 0,18
Available Heatsinks
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