SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
SM6.8 THRU SM200CA
FEATURES
•
•
•
•
•
Breakdown Voltage
Peak Pulse Power
6.8 to 200 Volts
400 Watts
•
•
•
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
For surface mounted applications
Glass passivated junction
Low inductance surge resistance
Fast response time: typical less than 1.0ps
from 0 volts to V
(BR)
for unidirectional AND 5.0ns for
bidirectional types
400W peak pulse capability with a 10/1000μs waveform,
repetition rate (duty cycle): 0.01%
For devices with V
(BR)
≥10V,
I
D
are typically less than 1.0μA
High temperature soldering guaranteed:
250℃/10 seconds at terminals
DO-213AB
Dimensions in inches and (millimeters)
MECHANICAL DATA
•
•
•
•
•
Cass: JEDEC DO-213AB,molded plastic body over passivated junction
Terminals: Solder plated, solderable per MIL-STD-750, Method 2026
Polarity: Blue bands denotes positive end (cathode) for unidirectional and yellow band in the
Middle for bidirectional types
Mounting position: any
Weight: 0.116 ounces, 0.0064 gram
DEVICES FOR BIDRECTIONAL APPLICATIONS
•
For bidirectional applications use suffix letters C or CA for types SM6.8 thru SM200A (e.g. SM6.8C,
SM200CA).Electrical Characteristics apply in both directions.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
•
Ratings at 25℃ ambient temperature unless otherwise specified
Ratings
Peak Pulse power dissipation with a 10/1000μs waveform(NOTE1,FIG.1)
Steady Stage Power Dissipation at T
T
=75℃(Note2)
Peak Pulse current with a 10/1000μs waveform (NOTE1,FIG.3)
Peak forward surge current, 8.3ms single half
sine-wave superimposed on rated load for unidirectional only
(JEDEC Method) (Note3)
Maximum instantaneous forward voltage at 25A (NOTE 3)
for unidirectional only
Operating Junction and Storage Temperature Range
Symbols
P
PPM
P
M(AV)
I
PPM
I
FSM
V
F
T
J,
T
STG
3.5
50 to +150
Value
Minimum 400
1.0
See Table 1
40.0
Unit
Watts
Watt
Amps
Amps
Volts
℃
Notes:
1.
2.
3.
Non-repetitive current pulse, per Fig.3 and derated above T
A
=25℃ per Fig.2
Mounted on copper pads to each terminal of 0.31 in (8.0mm2) per Fig 5.
Measured at 8.3ms single half sine-wave or equivalent square wave duty cycle = 4 pulses per minutes maximum.
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Peak Pulse Power
400 Watts
Electrical Characteristic at (T
A
=25℃ unless otherwise noted) TABLE 1 (Cont’d)
Device
Type
SM68
SM68A
SM75
SM75A
SM82
SM82A
SM91
SM91A
SM100
SM100A
SM110
SM110A
SM120
SM120A
SM130
SM130A
SM150
SM150A
SM160
SM160A
SM170
SM170A
SM180
SM180A
SM200
SM200A
Breakdown Voltage
V
(BR)
(Volts) (Note 1)
MIN
MAX
Test
Current
at
I
T
(mA)
Stand-off
Voltage
V
WM
(Volts)
Maximum
Reverse
Leakage at
V
WM
I
D
(μA)
(Note 4)
Maximum
Peak Pulse
Current
I
PPM
(Note 2)
(Amps)
Maximum
Clamping
Voltage at
I
PPM
V
C
(Volts)
Maximum
Temperature
Coefficient
of V
(BR)
(%/℃)
61.2
64.6
67.5
71.3
73.8
77.9
81.9
86.5
90
95
99
105
108
114
117
124
135
143
144
152
153
162
162
171
180
190
74.8
71.4
82.5
78.8
90.2
86.1
100
95.5
110
105
121
116
132
126
143
137
165
159
175
167
187
179
197
189
220
210
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
55.1
58.1
60.7
64.1
66.4
70.1
73.7
77.8
81
85.5
89.2
94
97.2
102
105
111
121
128
130
136
138
145
146
154
162
171
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4.1
4.3
3.7
3.9
3.4
3.5
3.1
3.2
1.39
1.46
1.27
1.32
1.16
1.21
1.07
1.12
0.93
0.97
0.87
0.91
0.82
0.85
0.78
0.81
0.7
0.73
98
92
105
103
118
113
131
125
144
137
158
152
173
165
187
179
215
207
230
219
244
234
258
246
287
274
0.107
0.107
0.108
0.108
0.108
0.108
0.109
0.109
0.109
0.109
0.11
0.11
0.11
0.11
0.11
0.11
0.111
0.111
0.111
0.111
0.111
0.111
0.111
0.111
0.111
0.111
Notes:
(1)
(2)
(3)
V(BR) measured after IT applied for 300ms square wave pulse or equivalent
Surge current waveform per Figure 3 and derate per Fig.2
All terms and symbols are consistent with ANSI/IEEE C62.35
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
SM6.8 THRU SM200CA
Breakdown Voltage
Peak Pulse Power
6.8 to 200 Volts
400 Watts
RATING AND CHARACTERISTIC CURVES SM6.8 THRU SM200CA
PEAK PULSE POWER
(
P
PP
)
OR CURRENT(
I
PP
)
DERATING IN PERCENTAGE %
FIG.1- PEAK PULSE POWER RATING CURVE
100
100
FIG.2- PULSE DERATING CURVE
P
PPM,
PEAK PULSE POWER, kW
10
Non-Repetitive
Pulse Waveform
Shown in Figure 3
TA=25
℃
75
SM6.8
SM91A
1.0
SM100
SM200A
0.1
0.1
μ
s
1.0
μ
s
10
μ
s
100
μ
s
1.0ms
10ms
50
25
0
t
d
,PULSE WIDTH, SEC
0
25
50
75
100
125
150
175
200
T
A
,AMBIENT TEMPERATURE
(℃)
FIG.4- TYPICAL JUNCTION CAPACITANCE
10,000
TJ=25
℃
f = 1.0MHz
Vsig = 50mVp-p
FIG.3- PULSE WAVEFORM
150
TA=25
℃
Pulse Width
(td)is
Defined
as the Point Where the Peak
Current Decays to 50% of lpp
I
PPM,
PEAK PULSE CURRENT-%
tf=10use
100
Peak Value
lppm
CJ, JUNCTION CAPACITANCE, pF
1,000
Measured at
Zero Blas
50
Half Value-lpp
2
10/1000usec Waveform
as Defined by R.E.A.
0
td
0
1.0
2.0
3.0
4.0
100
Measured at
Stand-Off
Voltage
(
V
MW
)
t, TIME, ms
UNIDIRECTIONAL
PM
(AV),
STEADY STATE POWER DISSIPATION,
WATTS
FIG.5- STEADY STATE POWER DERATING CURVE
1.00
60 Hz
Resistive or induction load
10
1.0
V
(
BR
)
,BREALDOWN VOLTAGE,
10
100
VOLTS
200
I
FSM,
PEAK FORWARD SURGE CURRENT,
AMPERES
0.75
FIG.6- MAXMIUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT UNIDIRECTIONAL ONLY
50
T
J
=T
J
max
8.3ms Single Half Since-Wave
JEDEC Method
0.50
40
0.31×0.31×0.08" COPPER PADS
(8×8×2mm)
30
0.25
20
0
0
25
50
75
100
125
150
175
200
10
T
L
,LEAD TEMPERATURE
℃
0
1
NUMBER OF CYCLES AT 60Hz
10
100
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sales@cnmic.com
Web Site: www.cnmic.com
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