SMBJ SERIES
TRANSIENT VOLTAGE SUPPRESSORS
STAND OFF VOLTAGE:
PEAK PULSE POWER:
FEATURES
· Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
· 600W peak pulse power capability on 10/1000µs
waveform, repetition rate (duty cycle): 0.01%
· Excellent clamping capability
· Low incremental surge resistance
· Fast response time: typically less than 1.0 ps from
0 volts to BV min
· Low profile package with built-in strain relief for
surface mounted applications
(25.4) 1.0
(9.5) .375
(7.2) .285
.210 (5.3)
.190 (4.8)
MIN
(25.4) 1.0
MIN
.052 (1.3)
.048 (1.2)
DO-214AA(SMB)
5.0 to 188 VOLTS
600 WATTS
MECHANICAL DATA
Case: Molded plastic, DO-214AA(SMB)
Terminals: Axial leads, solderable per MIL-STD-750,
method 2026 guaranteed
Polarity: Color band denotes cathode except bipolar
Packaging: 12mm tape per EIA STD RS-481
Weight: 0.003 ounce, 0.093 gram
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Ratings at 25
℃
ambient temperature unless otherwise specified.
Symbols
Peak power dissipation with a 10/1000µs waveform (Note 1 , 2) (Fig. 1)
Peak pulse current with a 10/1000µs waveform (Note 1)
Peak forward surge current, 8.3ms
single half sine-wave unidirectional only (Note 2)
Maximum instantaneous forward voltage
at 50A for unidirectional only
Typical thermal resistance junction-to-lead
Thermal resistance junction to ambient air (Note 3)
Operating junction and storage temperature range
P
PPM
I
PPM
I
FSM
Limit
Units
Watts
Amp
Amp
Minimum 600
See Next Table
100
3.5
20
100
–55 to +150
V
F
R
θJL
R
θJA
T
J
,Tstg
Volts
℃/W
℃/W
℃
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
Devices for Bidirectional Applications:
1- For bi-directional, use C or CA suffix for types SMBJ5.0 thru types SMBJ188A(e.g. SMBJ5.0C, SMBJ188CA).
2- Electrical characteristics apply in both directions.
SMBJ SERIES
TRANSIENT VOLTAGE SUPPRESSORS
Maximum Ratings and Electrical Characteristics
Ratings at 25
℃
ambient temperature unless otherwise specified.
Reverse
Breakdown Voltage
Device Type
V
BR
at I
T
( Note 1 )
Volts
( min. )
Volts
( max. )
I
T
mAmps
Test Current
Stand off
Voltage
V
WM
Volts
Maximum
Reverse
Leakage at V
WM
I
D
( Note 3 )
uAmps
Maximum
Peak Pulse
Current
I
PPM
( Note 2 )
Amps
Maximum
Clamping
Voltage at I
PPM
V
C
Volts
SMBJ40
SMBJ40A
SMBJ43
SMBJ43A
SMBJ45
SMBJ45A
SMBJ48
SMBJ48A
SMBJ51
SMBJ51A
SMBJ54
SMBJ54A
SMBJ58
SMBJ58A
SMBJ60
SMBJ60A
SMBJ64
SMBJ64A
SMBJ70
SMBJ70A
SMBJ75
SMBJ75A
SMBJ78
SMBJ78A
SMBJ85
SMBJ85A
SMBJ90
SMBJ90A
SMBJ100
SMBJ100A
SMBJ110
SMBJ110A
SMBJ120
SMBJ120A
SMBJ130
SMBJ130A
SMBJ150
SMBJ150A
SMBJ160
SMBJ160A
SMBJ170
SMBJ170A
SMBJ188
SMBJ188A
NOTES:
44.4
44.4
47.8
47.8
50.0
50.0
53.3
53.3
56.7
56.7
60.0
60.0
64.4
64.4
66.7
66.7
71.1
71.1
77.8
77.8
83.3
83.3
86.7
86.7
94.4
94.4
100
100
111
111
122
122
133
133
144
144
167
167
178
178
189
189
209
209
54.3
49.1
58.4
52.8
61.1
55.3
65.2
58.9
69.3
62.7
73.3
66.3
78.7
71.2
81.5
73.7
86.9
78.6
95.1
86.0
102
92.1
106
95.8
115
104
122
111
136
123
149
135
163
147
176
159
204
185
218
197
231
209
255
231
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
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
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
40
40
43
43
45
45
48
48
51
51
54
54
58
58
60
60
64
64
70
70
75
75
78
78
85
85
90
90
100
100
110
110
120
120
130
130
150
150
160
160
170
170
188
188
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
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
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
8.4
9.3
7.8
8.6
7.5
8.3
7.0
7.8
6.6
7.3
6.2
6.9
5.8
6.4
5.6
6.2
5.3
5.8
4.8
5.3
4.5
5.0
4.3
4.8
4.0
4.4
3.8
4.1
3.4
3.7
3.1
3.4
2.8
3.1
2.6
2.9
2.2
2.5
2.1
2.3
2.0
2.2
1.7
2.0
71.4
64.5
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103
93.6
107
96.8
114
103
125
113
134
121
139
126
151
137
160
146
179
162
196
177
214
193
230
209
268
243
287
259
304
275
344
328
1- Pulse test: tp
≤
50ms
2- Surge current waveform per Fig. 3 and derated per Fig. 2
3- For bidirectional types having V
WM
of 10 volts and less, the I
D
limit is doubled
4- For the bidirectional SMBJ5.0CA, the maximum V
BR
is 7.25V
5- All terms and symbols are consistent with ANSI/IEEE C62.35