ELECTRICAL CHARACTERISTICS
I
I
F
V
F
VV
CLVBR
V
RM
I
PP
I
RM
V
Symbol Parameter
V
RM
Stand-off voltage.
V
BR
Breakdown voltage.
V
CL
Clamping voltage.
I
RM
Leakage current @ VRM.
I
PP
Surge current.
αT
Voltage temperature coefficient.
V
F
Forward Voltage drop
VF < 3.5V @ IF = 25 A.
Symbol Parameter Value Unit
Rth (j-l) Junction-leads on infinite heatsink 20 °C/W
Rth (j-a) Junction to ambiant. on printed circuit.
With standard footprint dimensions.
100 °C/W
THERMAL RESISTANCES
TYPES
IRM @ V
RM
VBR @ IRVCL @ IPPVCL @ I
PP
αTC
max min nom max max max max typ
note2 10/1000µs8/20µs note3 note4
Uni
directional *Bidirectional *
µA VVVVmAVAVA10-4/°C(PF)
SM4T6V8
SM4T6V8A
SM4T7V5
SM4T7V5A
SM4T10
SM4T10A
SM4T12
SM4T12A
SM4T15
SM4T15A
SM4T18
SM4T18A
SM4T22
SM4T22A
SM4T24
SM4T24A
SM4T27
SM4T27A
SM4T30
SM4T30A
SM4T33
SM4T33A
SM4T36
SM4T36A
SM4T39
SM4T39
QD
QE
QF
QG
QN
QP
QS
QT
QW
QX
RD
RE
RH
RK
RL
RM
RN
RP
RQ
RR
RS
RT
RU
RV
RW
RX
SM4T6V8C
SM4T6V8CA
SM4T7V5C
SM4T7V5CA
SM4T10C
SM4T10CA
SM4T12C
SM4T12CA
SM4T15C
SM4T15CA
SM4T18C
SM4T18CA
SM4T22C
SM4T22CA
SM4T24C
SM4T24CA
SM4T27C
SM4T27CA
SM4T30C
SM4T30C4
SM4T33C
SM4T33CA
SM4T36C
SM4T36CA
SM4T39C
SM4T39
VD
VE
VF
VG
VN
VP
VS
VT
VW
VX
UD
UE
UH
UK
UL
UM
UN
UP
UQ
UR
US
UT
UU
UV
UW
UX
1000
1000
500
500
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5.8
5.8
6.4
6.4
8.55
8.55
10.2
10.2
12.8
12.8
15.3
15.3
18.8
18.8
20.5
20.5
23.1
23.1
25.6
25.6
28.2
28.2
30.8
30.8
33.3
33.3
6.45
6.45
7.13
7.13
9.5
9.5
11.4
11.4
14.3
14.3
17.1
17.1
20.9
20.9
22.8
22.8
25.7
25.7
28.5
28.5
31.4
31.4
34.2
34.2
37.1
37.1
6.8
6.8
7.5
7.5
10
10
12
12
15
15
18
18
22
22
24
24
27
27
30
30
33
33
36
36
39
39
7.48
7.14
8.25
7.88
11
10.5
13.2
12.6
16.5
15.8
19.8
18.9
24.2
23.1
26.4
25.2
29.7
28.4
33
31.5
36.3
34.7
39.6
37.8
42.9
41.0
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
10.5
10.5
11.3
11.3
14.5
14.5
16.7
16.7
21.2
21.2
25.2
25.2
30.6
30.6
33.2
33.2
37.5
37.5
41.5
41.5
45.7
45.7
49.9
49.9
53.9
53.9
38
38
35.4
35.4
27.6
27.6
24
24
19
19
16
16
13
13
12
12
10.7
10.7
9.6
9.6
8.8
8.8
8
8
7.4
7.4
13.4
13.4
14.5
14.5
18.6
18.6
21.7
21.7
27.2
27.2
32.5
32.5
39.3
39.3
42.8
42.8
48.3
48.3
53.5
53.5
59.0
59.0
64.3
64.3
69.7
69.7
174
174
160
160
124
124
106
106
85
85
71
71
59
59
54
54
48
48
43
43
39
39
36
36
33
33
5.7
5.7
6.1
6.1
7.3
7.3
7.8
7.8
8.4
8.4
8.8
8.8
9.2
9.2
9.4
9.4
9.6
9.6
9.7
9.7
9.8
9.8
9.9
9.9
10.0
10.0
3500
3500
3100
3100
2000
2000
1550
1550
1200
1200
975
975
800
800
725
725
625
625
575
575
510
510
480
480
450
450
142
SM4Txx
2/7