VISHAY SM6T

SM6T Series
Vishay Semiconductors
New Product
formerly General Semiconductor
Surface Mount TRANSZORB®
Transient Voltage Suppressors
Breakdown Voltage 6.8 to 220V
Peak Pulse Power 600W
DO-214AA (SMBJ)
Cathode Band
0.155 (3.94)
0.130 (3.30)
0.086 (2.20)
0.077 (1.95)
Mounting Pad Layout
0.106 MAX
(2.69 MAX)
0.180 (4.57)
0.160 (4.06)
0.083 MIN
(2.10 MIN)
0.012 (0.305)
0.006 (0.152)
Dimensions in inches
and (millimeters)
0.096 (2.44)
0.084 (2.13)
0.050 MIN
(1.27 MIN)
0.220 REF
0.060 (1.52)
0.030 (0.76)
0.220 (5.59)
0.205 (5.21)
0.008
(0.203)
Max.
Mechanical Data
Features
Case: JEDEC DO-214AA (SMB) molded plastic over
passivated junction
Terminals: Solder plated, solderable per MIL-STD-750,
Method 2026
Polarity: For uni-directional types the band denotes the
cathode, which is positive with respect to the anode
under normal TVS operation
Standard Packaging: 12mm tape (EIA STD RS-481)
Weight: 0.003 ounces, 0.093 grams
Packaging Codes – Options (Antistatic):
51 – 2K per Bulk box, 20K/carton
52 – 750 per 7” plastic Reel (12mm tape), 15K/carton
5B – 3.2K per 13” plastic Reel (12mm tape), 32K/carton
• Low profile package with built-in strain relief for
surface mounted applications
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• Repetition rate (duty cycle): 0.01%
• Fast response time: theoretically (with no parisitic
inductance) less than 1ps from 0 Volts to V(BR) for
unidirectional and 5ns for bidirectional types
• High temperature soldering: 250°C/10 seconds at
terminals
• Plastic package has Underwriters Laboratory
Flammability Classificaion 94V-0
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Unit
Peak pulse power dissipation on
10/1000µs waveform(1)(2) (Fig. 1)
PPPM
Minimum 600
W
Peak pulse current with a 10/1000µs waveform(1)
IPPM
See Next Table
A
Power dissipation on infinite heatsink, TA = 50°C
PM(AV)
5.0
W
Peak forward surge current 10ms single half sine-wave
uni-directional only (2)
IFSM
100
A
Thermal resistance junction to ambient air (3)
RθJA
100
°C/W
RθJL
20
°C/W
TJ, TSTG
–65 to +150
°C
Thermal resistance junction to leads
Operating junction and storage temperature range
Notes: (1) Non-repetitive current pulse, per Fig.3 and derated above TA = 25°C per Fig. 2
(2) Mounted on 0.2 x 0.2” (5.0 x 5.0mm) copper pads to each terminal
(3) Mounted on minimum recommended pad layout
Document Number 88385
03-May-02
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1
SM6T Series
Vishay Semiconductors
formerly General Semiconductor
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Type(1)
SM6T6V8A
SM6T7V5A
SM6T10A
SM6T12A
SM6T15A
SM6T18A
SM6T22A
SM6T24A
SM6T27A
SM6T30A
SM6T33A
SM6T36A
SM6T39A
SM6T68A
SM6T100A
SM6T150A
SM6T200A
SM6T220A
Device
Marking
Code
UNI
BI
KE7
KK7
KT7
KX7
LG7
LM7
LT7
LV7
LX7
ME7
MG7
MK7
MM7
NG7
NV7
PK7
PR7
PR8
KE7
AK7
AT7
AX7
LG7
BM7
BT7
LV7
BX7
CE7
MG7
CK7
CM7
NG7
NV7
PK7
PR7
PR8
Breakdown Voltage
VBR @ IT(2)
IT(V)
Min
Max
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
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
Test
Current
(mA)
Standoff
Voltage
VRM
(V)
Leakage
Current (3)
IRM @VRM
(µA)
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
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
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
VC @ IPP
10/1000µs
(V)
(A)
Clamping Voltage
VC @ IPP
8/20µs
(V)
(A)
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
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
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
298
276
215
184
147
123
102
93
83
75
68
62
57
33
22.5
15
11.3
10.3
αT
Max
0-4/OC
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
Notes: (1) For bi-directional devices add suffix “CA”.
(2) VBR measured after IT applied for 300µs square wave pulse.
(3) For bipolar devices with VR=10 Volts or under, the IT limit is doubled.
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Document Number 88385
03-May-02
SM6T Series
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
Fig. 2 – Pulse Derating Curve
Fig. 1 – Peak Pulse Power Rating Curve
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
PPPM — Peak Pulse Power (kW)
100
10
1
0.2 x 0.2" (0.5 x 0.5mm)
Copper Pad Areas
100
75
50
25
0
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
0
td — Pulse Width (sec.)
Fig. 3 – Pulse Waveform
75
100
TJ = 25°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of IPPM
tr = 10µsec.
Peak Value
IPPM
100
Half Value — IPP
2
IPPM
50
10/1000µsec. Waveform
as defined by R.E.A.
1.0
0
3.0
2.0
175
200
1,000
VR, Measured at
Stand-Off
Voltage, VWM
100
TJ = 25°C
f = 1.0MHz
Vsig = 50mVp-p
Uni-Directional
Bi-Directional
10
4.0
1
10
100
200
VWM — Reverse Stand-Off Voltage (V)
t — Time (ms)
Fig. 6 – Maximum Non-Repetitive Peak
Forward Surge Current
Fig. 5 – Typical Transient Thermal
Impedance
IFSM — Peak Forward Surge Current (A)
100
10
1.0
0.1
0.001
150
Measured at
Zero Bias
td
0
125
Fig. 4 – Typical Junction Capacitance
6,000
CJ — Junction Capacitance (pF)
IPPM — Peak Pulse Current, % IRSM
50
TA — Ambient Temperature (°C)
150
Transient Thermal Impedance (°C/W)
25
200
8.3ms Single Half Sine-Wave
(JEDEC Method)
Unidirectional Only
100
10
0.01
0.1
1
10
tp — Pulse Duration (sec)
Document Number 88385
03-May-02
100
1000
1
10
100
Number of Cycles at 60HZ
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