POWER
SEMICONDUCTOR
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SMB SERIES
FEATURES
Rating to 200V VBR
For surface mounted applications
Reliable low cost construction utilizing molded plastic
technique
Plastic material has UL flammability classification
94V-O
Typical IR less than 1uA above 10V
Fast response time: typically less than 1.0ps for
Uni-direction,less than 5.0ns for Bi-direction,form 0
Volts to BV min
MECHANICAL DATA
Case : Molded plastic
Polarity : by cathode band denotes uni-directional
device none cathode band denotes bi-directional device
Weight : 0.003 ounces, 0.093 gram
T
J
Operating Temperature Range
-55 to +150
T
STG
Storage Temperature Range
-55 to +175
C
I
FSM
Peak Forward Surge Current 8.3ms
single half sine-wave super imposed
on rated load (Note 3)
100
AMPS.
UNIT
P
M(AV)
5.0
WATTS
Steady State Power Dissipation at T
L
=75 C
P
PK
WATTS
PEAK POWER DISSIPATION AT T
A
= 25 C,
T
P
= 1ms (Note 1,2)
SYMBOLS
VALUE
Minimum 600
C
CHARACTERISTICS
(JEDEC METHOD)
SURFACE MOUNT
UNIDIRECTIONAL AND BIDIRECTIONAL
TRANSIENT VOLTAGE SUPPRESSORS
STAND-OFF VOLTAGE - 6.8 to 200 Volts
POWER DISSIPATION - 600 WATTS
NOTES : 1. Non-repetitive current pulse, per fig. 3 and derated above T
A
= 25 C per fig.1.
2. Thermal Resistance junction to Lead
3. 8.3ms single half-sine wave duty cycle= 4 pulses maximum per minute (unidirectional units only).
4. V
F
= 3.5V on SMB6.8 thru SMB90A devices and V
F
= 5.0V on SMB100 thru SMB200A devices.
Maximum Instantaneous forward voltage
at 50A for unidirectional devices only (Note 3)
V
F
SEE NOTE 4
Volts
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
REV. 1, 24-May-2000
SMB
All Dimensions in millimeter
SMB
DIM.
MIN.
MAX.
A
C
D
E
F
G
H
B
4.06
4.57
3.94
3.30
1.96
2.21
0.31
0.15
5.21
5.59
0.05
0.20
2.01
2.62
0.76
1.52
C
B
A
H
E
F
G
D
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RATING AND CHARACTERISTIC CURVES
SMB SERIES
FIG.1 - PULSE DERATING CURVE
PE
AK
PU
L
S
E
D
E
R
A
T
I
N
G
I
N
%
O
F
P
E
A
K
P
O
W
E
R
O
R
C
U
R
R
E
N
T
25
75
100
125
150
0
50
50
100
0
175
75
25
200
AMBIENT TEMPERATURE, C
10 X 1000 WAVEFORM AS
DEFINED BY R.E.A.
PM
(
AV)
ST
EA
DY
ST
A
T
E
P
O
W
E
R
DI
S
S
I
P
A
T
I
O
N
(
W
)
FIG.6 - STEADY STATE POWER DERATING CURVE
TL, LEAD TEMPERATURE
25
75
100
125
150
0.0
50
0
175
200
1.0
2.0
3.0
4.0
5.0
60Hz RESISTIVE OR
INDUCTIVE LOAD
FIG.3 - PULSE WAVEFORM
0
0
I
P
PE
AK
P
U
L
S
E
CU
RR
EN
T
,
(
%
)
T, TIME ( ms )
50
100
1.0
2.0
3.0
4.0
T
R
=10us
Peak value (I
RSM)
TP
T
J
=25 C
I
RSM
2
Half value=
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK F
O
RW
ARD S
U
R
G
E C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
1
5
10
50
100
2
20
0
20
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
40
60
80
100
120
10 x 1000 waveform as
defined by R.E.A.
Pulse width (T
P
) is defined
as that point where the
peak current decays to
50% of I
RSM
FIG.4 - TYPICAL JUNCTION CAPACITANCE
CAPACI
T
ANCE , (p
F
)
STAND-OFF VOLTAGE, VOLTS
10
1
100
10000
1000
100
10
1000
Bi-directional
T
J
= 25 C
Uni-directional
FIG.5 - PULSE RATING CURVE
P
P
,
PEAK PO
W
E
R (
K
W
)
T
P
, PULSE WIDTH
0.1
1.0
10
0.1us
1.0us
10us
100us
1.0ms
10ms
100
T
A
=150 C
5.0mm LEAD AREAS
NON-REPETITIVE
PULSE WAVEFORM
SHOWN IN FIG 3.
REV. 1, 24-May-2000
Breakdowm voltage
VBR Volts
Working
PeakReverse
Voltage
Maximum
Reverse
Leakage at
V
RWM
Maximum
Reverse Surge
Current
Maximum
Reverse Voltage
at I
RSM
(Clamping
Voltage)
(UNI)
(BI)
Min. Max. @IT( mA)
V
RWM
(Volts)
IR (uA)
I
RSM
(Amps)
V
RSM
(Volts)
SMB47
SMB47C
MDK MDM 42.3
51.7
1.0
38.1
5.0
8.85
67.8
SMB47A
SMB47CA
MEK MEM 44.7
49.4
1.0
40.2
5.0
9.26
64.8
SMB51
SMB45C
MFK MFM
45.9
56.1
1.0
41.3
5.0
8.16
73.5
SMB51A
SMB45CA
MGK MGM 48.5
53.6
1.0
43.6
5.0
8.56
70.1
SMB56
SMB56C
MHK MHM 50.4
61.6
1.0
45.4
5.0
7.45
80.5
SMB56A
SMB56CA
MKK MKM 53.2
58.8
1.0
47.8
5.0
7.79
77.0
SMB62
SMB62C
MLK MLM 55.8
68.2
1.0
50.2
5.0
6.74
89.0
SMB62A
SMB62CA
MMK MMM 58.9
65.1
1.0
53.0
5.0
7.06
85.0
SMB68
SMB68C
MNK MNM 61.2
74.8
1.0
55.1
5.0
6.12
98.0
SMB68A
SMB68CA
MPK MPM
64.6
71.4
1.0
58.1
5.0
6.52
92.0
SMB75
SMB75C
MQK MQM 67.5
82.5
1.0
60.7
5.0
5.56
108
SMB75A
SMB75CA
MRK MRM 71.3
78.8
1.0
64.1
5.0
5.83
103
SMB82
SMB82C
MSK MSM
73.8
90.2
1.0
66.4
5.0
5.08
118
SMB82A
SMB82CA
MTK MTM 77.8
86.0
1.0
70.1
5.0
5.31
113
SMB91
SMB91C
MUK MUM 81.9
100
1.0
73.7
5.0
4.58
131
SMB91A
SMB91CA
MVK MVM 86.5
95.5
1.0
77.8
5.0
4.80
125
SMB100
SMB100C
MWK MWM 90.0
110
1.0
81.0
5.0
4.17
144
SMB100A
SMB100CA
MXK MXM 95.0
105
1.0
85.5
5.0
4.38
137
SMB110
SMB110C
MYK MYM 99.0
121
1.0
89.2
5.0
3.80
158
SMB110A
SMB110CA
MZK MZM
105
116
1.0
94.0
5.0
3.95
152
SMB120
SMB120C
NDK NDM
108
132
1.0
97.2
5.0
3.47
173
SMB120A
SMB120CA
NEK NEM
114
126
1.0
102
5.0
3.64
165
SMB130
SMB130C
NFK NFM
117
143
1.0
105
5.0
3.21
187
SMB130A
SMB130CA
NGK NGM
124
137
1.0
111
5.0
3.35
179
SMB150
SMB150C
NHK NHM
135
165
1.0
121
5.0
2.79
215
SMB150A
SMB150CA
NKK NKM
143
158
1.0
128
5.0
2.90
207
SMB160
SMB160C
NLK NLM
144
176
1.0
130
5.0
2.61
230
SMB160A
SMB160CA
NMK NMM
152
168
1.0
136
5.0
2.74
219
SMB170
SMB170C
NNK NNM
153
187
1.0
138
5.0
2.46
244
SMB170A
SMB170CA
NPK NPM
162
179
1.0
145
5.0
2.56
234
SMB180
SMB180C
NQK NQM
162
198
1.0
146
5.0
2.33
258
SMB180A
SMB180CA
NRK NRM
171
189
1.0
154
5.0
2.44
246
SMB200
SMB200C
NSK
NSM
180
220
1.0
162
5.0
2.09
287
SMB200A
SMB200CA
NTK NTM
190
210
1.0
171
5.0
2.19
274
NOTE :
1) Suffix 'A ' denotes 5% tolerance device,no suffix denotes 10 % tolerance device.
2) Add suffix 'C 'or ' CA ' after part number to specify Bi-directional devices.
3) For Bi-Directional devices having VR of 10 volts and under, the IR limit is double .
Device
Uni-
directional
Device
Bi-
directional
Device
Marking code
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