SM6T Series
Vishay General Semiconductor
Surface Mount T
RANS
Z
ORB
®
Transient Voltage Suppressors
FEATURES
• Low profile package
• Ideal for automated placement
• Glass passivated chip junction
• 600 W peak pulse power capability with a
10/1000 µs waveform
• Available in uni-directional and bi-directional
• Excellent clamping capability
• Low inductance
• Meets MSL level 1, per J-STD-020C, LF max peak
of 260 °C
• Solder dip 260 °C, 40 seconds
• Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
TYPICAL APPLICATIONS
Use in sensitive electronics protection against voltage
transients induced by inductive load switching and
lighting on ICs, MOSFET, signal lines of sensor units
for consumer, computer, industrial, automotive and
telecommunication.
MECHANICAL DATA
Case:
DO-214AA (SMB)
Epoxy meets UL 94V-0 flammability rating
Terminals:
Matte tin plated leads, solderable per
J-STD-002B and JESD22-B102D
E3 suffix for commercial grade, HE3 suffix for high
reliability grade (AEC Q101 qualified)
Polarity:
For uni-directional types the band denotes
cathode end, no marking on bi-directional types
DO-214AA (SMB)
PRIMARY CHARACTERISTICS
V
BR
P
PPM
P
D
I
FSM
(uni-directional only)
T
J
max.
6.8 V to 220 V
600 W
5.0 W
100 A
150 °C
DEVICES FOR BI-DIRECTION APPLICATIONS
For bi-directional devices use CA suffix (e.g.
SM6T12CA).
Electrical characteristics apply in both directions.
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Peak pulse power dissipation on 10/1000 µs waveform
(1)(2)
(Fig. 1)
Peak power pulse current with a 10/1000 µs waveform
(1)
(Fig. 3)
Power dissipation on infinite heatsink T
A
= 50 °C
Peak forward surge current 10 ms single half sine-wave uni-directional only
(2)
Operating junction and storage temperature range
Notes:
(1) Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25 °C per Fig. 2
(2) Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
SYMBOL
P
PPM
I
PPM
P
D
I
FSM
T
J
, T
STG
VALUE
600
See next table
5.0
100
- 65 to +150
UNIT
W
A
W
A
°C
Document Number: 88385
Revision: 04-Sep-07
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81
SM6T Series
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
(1)
TYPE
DEVICE
MARKING
CODE
UNI
BI
KE7
AK7
AT7
AX7
LG7
BM7
BT7
LV7
BX7
CE7
MG7
CK7
CM7
NG7
NV7
PK7
PR7
PR8
BREAKDOWN
VOLTAGE
V
BR
AT I
T
(V)
MIN
6.45
7.13
9.50
11.4
14.3
17.1
20.9
22.8
25.7
28.5
31.4
34.2
37.1
64.6
95.0
143
190
209
(2)
TEST
CURRENT
(mA)
STAND-OFF
VOLTAGE
V
RM
(V)
5.80
6.40
8.55
10.2
12.8
15.3
18.8
20.5
23.1
25.6
28.2
30.8
33.3
58.1
85.5
128
171
188
LEAKAGE
CURRENT
(3)
I
RM
AT V
RM
(µA)
1000
500
10.0
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
CLAMPING
VOLTAGE
V
C
AT I
PP
10/1000 µs
(V)
10.5
11.3
14.5
16.7
21.2
25.2
30.6
33.2
37.5
41.5
45.7
49.9
53.9
92.0
137
207
274
328
(A)
57.0
53.0
41.0
36.0
28.0
24.0
20.0
18.0
16.0
14.5
13.1
12.0
11.1
6.50
4.40
2.90
2.20
2.00
CLAMPING
VOLTAGE
V
C
AT I
PP
8/20 µs
(V)
13.4
14.5
18.6
21.7
27.2
32.5
39.3
42.8
48.3
53.5
59.0
64.3
69.7
121
178
265
353
388
(A)
298
276
215
184
147
123
102
93
83
75
68
62
57
33
22.5
15
11.3
10.3
α
T
Max
0
-4
/°C
5.7
6.1
7.3
7.8
8.4
8.8
9.2
9.4
9.6
9.7
9.8
9.9
10.0
10.4
10.6
10.8
10.8
10.8
MAX
7.14
7.88
10.5
12.6
15.8
18.9
23.1
25.2
28.4
31.5
34.7
37.8
41.0
71.4
105
158
210
231
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
SM6T6V8A
SM6T7V5A
SM6T10A
SM6T12A
SM6T15A
SM6T18A
SM6T22A
SM6T24A
SM6T27A
SM6T30A
SM6T33A
SM6T36A
SM6T39A
SM6T68A
SM6T100A
SM6T150A
SM6T200A
SM6T220A
Notes:
KE7
KK7
KT7
KX7
LG7
LM7
LT7
LV7
LX7
ME7
MG7
MK7
MM7
NG7
NV7
PK7
PR7
PR8
(1) For bi-directional devices add suffix “CA”
(2) V
BR
measured after I
T
applied for 300 µs square wave pulse
(3) For bipolar devices with V
R
= 10 V or under, the I
T
limit is doubled
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Thermal resistance, junction to ambient air
(1)
Thermal resistance, junction to leads
Note:
(1) Mounted on minimum recommended pad layout
SYMBOL
R
θJA
R
θJL
VALUE
100
20
UNIT
°C/W
°C/W
ORDERING INFORMATION
(Example)
PREFERRED P/N
SM6T10A-E3/52
SM6T10A-E3/5B
SM6T10AHE3/52
(1)
SM6T10AHE3/5B
(1)
Note:
(1) Automotive grade AEC Q101 qualified
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82
Document Number: 88385
Revision: 04-Sep-07
UNIT WEIGHT (g)
0.096
0.096
0.096
0.096
PREFERRED PACKAGE CODE
52
5B
52
5B
BASE QUANTITY
750
3200
750
3200
DELIVERY MODE
7" diameter plastic tape and reel
13" diameter plastic tape and reel
7" diameter plastic tape and reel
13" diameter plastic tape and reel
SM6T Series
Vishay General Semiconductor
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25
°C
unless otherwise noted)
100
6000
Measured at
Zero Bias
P
PPM
- Peak Pulse Power (kW)
C
J
- Junction Capacitance (pF)
1000
10
1
0.2 x 0.2" (5.0 x 5.0 mm)
Copper Pad Areas
0.1
0.1
µs
100
V
R
, Measured at
Stand-Off
Voltage V
WM
Uni-Directional
Bi-Directional
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mVp-p
100
200
10
1.0
µs
10
µs
100
µs
1.0 ms
10 ms
1
10
t
d
- Pulse
Width
(s)
V
WM
- Reverse Stand-Off
Voltage
(V)
Figure 1. Peak Pulse Power Rating Curve
Figure 4. Typical Junction Capacitance
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
100
100
75
Transient Thermal Impedance (°C/W)
0
25
50
75
100
125
150
175
200
10
50
1.0
25
0
0.1
0.001
0.01
0.1
1
10
100
1000
T
J
- Initial Temperature (°C)
t - Pulse Duration (s)
Figure 2. Pulse Power or Current vs. Initial Junction Temperature
Figure 5. Typical Transient Thermal Impedance
150
200
I
PPM
- Peak Pulse Current, % I
RSM
Peak Forward Surge Current (A)
t
r
= 10
µs
Peak
Value
I
PPM
T
J
= 25 °C
Pulse
Width
(t
d
)
is defined as the Point
where
the Peak Current
decays to 50 % of I
PPM
8.3
ms Single Half Sine-Wave
Uni-Directional Only
100
100
Half
Value
- I
PP
I
PPM
2
50
10/1000
µs Waveform
as defined
by
R.E.A.
t
d
0
0
1.0
2.0
3.0
4.0
10
1
10
100
t - Time (ms)
Number
of Cycles at 60 Hz
Figure 3. Pulse Waveform
Figure 6. Maximum Non-Repetitive Peak Forward Surge Current
Document Number: 88385
Revision: 04-Sep-07
www.vishay.com
83
SM6T Series
Vishay General Semiconductor
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
DO-214AA (SMB)
Cathode Band
0.085 (2.159)
MAX.
Mounting Pad Layout
0.086 (2.20)
0.077 (1.95)
0.155 (3.94)
0.130 (3.30)
0.086 (2.18)
MIN.
0.180 (4.57)
0.160 (4.06)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
MIN.
0.220 REF.
0.096 (2.44)
0.084 (2.13)
0.060 (1.52)
0.030 (0.76)
0.008 (0.2)
0 (0)
0.220 (5.59)
0.205 (5.21)
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84
Document Number: 88385
Revision: 04-Sep-07
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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