MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414
1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com
SM6T SERIES
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
VOLTAGE-5.0 TO 220 Volts
600 Watt Peak Pulse Power
FEATURES
• For surface mounted applications in order to
optimize board space
• Low profile package
• Built-in strain relief
• Glass passivated junction
• Low inductance
• Excellent clamping capability
• Repetition rate (duty cycle):0.01%
• Fast response time: typically less than
1.0 ps from 0 volts to BV for unidirectional types
• Typical IR less than 1µA above 10V
• High temperature soldering:
250°C/10 seconds at terminals
• Plastic package has Underwriters Laboratory
Flammability Classification 94 V-O
MECHANICAL DATA
Case: JEDEC DO214AA. Molded plastic over glass
passivated junction
Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denoted positive end (cathode)
except Bidirectional
Standard Packaging: 12mm tape (EIA STD RS-481)
Weight: 0.003 ounces, 0.093 grams)
Dimensions in inches (millimeters)
DEVICES FOR BIPOLAR APPLICATIONS
For Bidirectional use CA Suffix for types SM6T6V8CA thru types SM6T220CA
Electrical characteristics apply in both directions.
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
RATING
SYMBOL
VALUE
UNITS
Peak Pulse Power Dissipation on 10/1000 µs
P
PPM
Minimum 600
Watts
waveform
(NOTE 1, 2, Fig.1)
I
PPM
SEE TABLE 1
Amps
Peak Pulse Current of on 10/1000 µs waveform
(Note 1,Fig 3)
Peak Forward Surge Current, 8.3ms Single Half Sine-wave
I
FSM
100
Amps
Superimposed on Rated Load,
(JEDEC Method)(Note2, 3)
Operatings and Storage Temperature Range
T
J
, T
STG
-55 +150
°C
NOTES:
1. Non-repetitive current pulse, per Fig.3 and derated above Ta=25 °C per Fig.2.
2. Mounted on Copper Pad area of 0.8x0.8" (20x20mm) per Fig.5.
3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle=4 pulses per minutes maximum.
Certified RoHS Compliant
UL File # E223026
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel: 760-564-8656 • Fax: 760-564-2414
1-800-831-4881 Email: sales@mdesemicondutor.com Web: www.mdesemiconductor.com
RATING AND CHARACTERISTIC CURVES SM6T SERIES
Fig. 1 - Peak Pulse Power Rating Curve
Peak Pulse Power (P ) or Current (I
PP
)
PP
Derating in Percentage,%
100
Fig.2 - Pulse Derating
100
87.5
P
PPM
-Peak Pulse Power (kW)
75
10
62.5
50
1
37.5
0.2x0.2"(5.0x5.0mm)
Copper Pad Areas
0.1
25
12.5
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
t
d
- Pulse Width (sec.)
0
0
0.2
0.4
0.6
0.8
1
1.2
T
A
- Ambient Temperature
Fig.3 - Pulse Waveform
150
10000
I
PPM
- Peak Pulse Current,% I
RSM
t
r
= 10µsec.
Peak Value
I
PPM
100
Half Value- I
PPM
2
T
J
= 25°C
6000
Fig.4 - Typical Junction
C
it
Measured at
Zero Bias
C
J
- Junction Capacitance(pF)
Pulse Width(td)is defined
as the point where the
peak current decays to
50% of I
PPM
1000
100
50
t-
10/1000µsec.Waveform
Time(ms)
by R.E.A.
as defined
V
R
,Measured at
Stand-Off
Voltage, V
WM
Uni-Directional
Bi-Directional
T
J
= 25°C
f = 1.0MH
Z
Vsig = 50mVp-
100
200
t
d
0
0
1.0
2.0
3.0
3.0
10
1.0
1
1000
V
WM
4.0
4.0
- Reverse Stand-Off Voltage (V)
Fig. 5 - Typ.Transient Thermal Impedance
100
Fig.6 - Maximum Non-Repetitive Peak
Forward Surge Current
I
FSM
-Peak Forward Surge Current (A)
200
8.3ms Single Half Sine-Wave
(JEDEC Method)
Unidirectional Only
100
Transient Thermal Impedance
(
℃
/W)
10
1
1.0
0.1
0.001
0.01
0.1
1
10
100
1000
10
1
10
100
t
p
-Pulse Duration (sec)
Number of Cycles at 60 Hz
MDE Semiconductor, Inc.
78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414
1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com
600 Watt TVS
SM6T
PART NUMBER
PEAK
REVERSE BREAKDOWN BREAKDOWN
MAXIMUM
TEST
VOLTAGE
PULSE
STAND-
VOLTAGE
CURRENT CLAMPING
V
BR
(V)
OFF
VOLTAGE CURRENT
V
BR
(V)
I
T
(mA)
UNI-
BI-
Ipp (A)
VOLTAGE
@Ipp Vc(V)
MIN.@I
T
MAX.@I
T
POLAR POLAR V
RWM
(V)
DE
DG
DP
DT
DX
EE
EK
EM
EP
ER
ET
EV
EX
FQ
FY
GL
GU
GW
LE
LG
LP
LT
LX
ME
MK
MM
MP
MR
MT
MV
MX
NQ
NY
OL
OU
OW
5.80
6.40
8.55
10.20
12.80
15.30
18.80
20.50
23.10
25.60
28.20
30.80
33.30
58.10
85.50
128.00
171.00
188.00
6.45
7.13
9.50
11.40
14.30
17.10
20.90
22.80
25.70
28.50
31.40
34.20
37.10
64.60
95.00
143.00
190.00
209.00
7.14
7.88
10.50
12.60
15.80
18.90
23.10
25.20
28.40
31.50
34.70
37.80
41.00
71.40
105.00
158.00
210.00
231.00
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
10.5
11.3
14.5
16.7
21.2
25.2
30.6
33.2
37.5
41.4
45.7
49.9
53.9
92.0
137.0
207.0
274.0
328.0
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
6.5
4.4
2.9
2.2
2.0
MARKING
CODE
REVERSE
LEAKAGE
@ VRWM
IR(mA)
SM6T 6V8A
SM6T 7V5A
SM6T 10A
SM6T 12A
SM6T 15A
SM6T 18A
SM6T 22A
SM6T 24A
SM6T 27A
SM6T 30A
SM6T 33A
SM6T 36A
SM6T 39A
SM6T 68A
SM6T 100A
SM6T 150A
SM6T 200A
SM6T 220A
6V8CA
7V5CA
10CA
12CA
15CA
18CA
22CA
24CA
27CA
30CA
33CA
36CA
39CA
68CA
100CA
150CA
200CA
220CA
1000
500
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
Certified RoHS Compliant
UL File # E223026