SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
SMB5.0 THRU SMB170CA
FEATURES
•
•
•
•
•
•
•
•
•
•
•
Stand-off Voltage
Peak Pulse Power
5.0 to 170 Volts
600 Watts
Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
For surface mounted applications in order to optimize
board space
Low profile package
Built-in strain relief
Glass passivated junction
Low incremental surge resistance
600W peak pulse power capability with a 10/1000μs
Waveform, repetition rate (duty cycle): 0.01%
Excellent clamping capability
Fast response time: typically less than 1.0ps from 0 Volts to
V
(BR)
for unidirectional and 5.0ns for bidirectional types
For devices with V
(BR)
≥10V,
I
D
are typically I
D
less than 1.0μA
High temperature soldering guaranteed:
250℃/10 seconds at terminals
Cass: JEDEC DO-214AA,molded plastic body over passivated junction
Terminals: Axial leads, solderable per MIL-STD-750, Method 2026
Polarity: Color bands denotes positive end (cathode) except bidirectional
Mounting position: any
Weight: 0.003 ounces, 0.093 gram
DO-214AA(SMB)
Dimensions in inches and (millimeters)
MECHANICAL DATA
•
•
•
•
•
DEVICES FOR BIDRECTIONAL APPLICATIONS
•
For bidirectional use C or CA suffix for types SMB-5.0 thru SMB-170 (e.g. SMBG5.0C,SMBJ170CA)
.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(NOTE1,2,FIG.1)
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 (JEDEC Method) (Note2,3)
–
unidirectional only
Maximum instantaneous forward voltage at 50A (NOTE 3,4)
unidirectional only (NOTE 3)
Operating Junction and Storage Temperature Range
Symbols
P
PPM
I
PPM
I
FSM
V
F
T
J,
T
STG
Value
Minimum 600
See Table 1
100.0
SEE NOTE 4
50 to +150
Unit
Watts
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 0.2×0.2” (5.0×5.0mm) copper pads to each terminal
Measured on 8.3ms single half sine-wave or equivalent square wave duty cycle = 4 pulses per minutes maximum.
V
F
=3.5 V on SMB thru SMB-90 devices and V
F
=5.0V on SMB-100 thru SMB-170 devices
4.
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
SMB5.0 THRU SMB170CA
Electrical Characteristic at (T
A
=25℃ unless otherwise noted)
Device
Type
Device Marking
Code
UNI
SMB36
SMB36A
SMB40
SMB40A
SMB43
SMB43A
SMB45
SMB45A
SMB48
SMB48A
SMB51
SMB51A
SMB54
SMB54A
SMB 58
SMB58A
SMB60
SMB60A
SMB64
SMB64A
SMB70
SMB70A
SMB75
SMB75A
SMB78
SMB 78A
SMB85
SMB85A
SMB90
SMB90A
SMB100
SMB100A
SMB110
SMB110A
SMB120
SMB 120A
SMB130
SMB130A
SMB150
SMB150A
SMB160
SMB160A
SMB170
SMB170A
36V
36VA
40V
40VA
43V
43VA
45V
45VA
48V
48VA
51V
51VA
54V
54VA
58V
58VA
60V
60VA
64V
64VA
70V
70VA
75V
75VA
78V
78VA
85V
85VA
90V
90VA
100V
100VA
110V
110VA
120V
120VA
130V
130VA
150V
150VA
160V
160VA
170V
170VA
BI
36VC
36VCA
40VC
40VCA
43VC
43VCA
45VC
45VCA
48VC
48VCA
51VC
51VCA
54VC
54VCA
58VC
58VCA
60VC
60VCA
64VC
64VCA
70VC
70VCA
75VC
75VCA
78VC
78VCA
85VC
85VCA
90VC
90VCA
100VC
100VCA
110VC
110VCA
120VC
120VCA
130VC
130VCA
150VC
150VCA
160VC
160VCA
170VC
170VCA
Breakdown
Voltage V
(BR)
(Volts) (Note 1 )
MIN
40
40
44.4
44.4
47.8
47.8
50
50
53.3
53.3
56.7
56.7
60
60
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
MAX
48.9
44.2
54.3
49.1
58.4
52.8
61.1
55.3
65.1
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
102
92.1
106
95.8
115
104
122
111
136
123
149
135
163
157
176
159
204
185
218
197
231
209
Test
Current
at
I
T
(mA)
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Stand-off
Voltage
V
WM
(Volts)
36
36
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
Stand-off Voltage
Peak Pulse Power
5.0 to 170 Volts
600 Watts
Maximum
Reverse
Leakage I
D
at V
WM
(μA)(Note3)
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
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Maximum
Peak Pulse
Surge
Current I
PPM
(Note 2)(Amps)
9.3
10.3
8.4
9.3
7.8
8.6
7.5
8.3
7
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
4.3
4.8
4
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
2.2
Maximum
Clamping
Voltage at
I
PPM
V
C
(Volts)
64.3
58.1
71.4
65.4
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
102
93.6
107
96.8
114
103
125
113
134
121
139
126
151
137
160
146
179
162
196
177
214
193
231
209
268
243
287
259
304
275
Notes:
(1)
(2)
(3)
(4)
V
(BR)
measured after I
T
applied for 300μs I
T
=square wave pulse or equivalent
Surge current waveform per Figure 3 and derate per Fig.2
For bidirectional types having V
WM
of 10 volts and less, the l
D
limit is doubled
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
SMB5.0 THRU SMB170CA
Stand-off Voltage
Peak Pulse Power
5.0 to 170 Volts
600 Watts
RATING AND CHARACTERISTIC CURVES SMB5.0 THRU SMB170CA
100
Non-Repetitive
Pulse Waveform
Shown in Figure 3
TA=25
℃
10
PEAK PULSE POWER
(
P
PP
)
OR CURRENT
(
I
PP
)
DERATING IN PERCENTAGE %
FIG.1- PEAK PULSE POWER RATING CURVE
FIG.2- PULSE DERATING CURVE
100
P
PPM,
PEAK PULSE POWER, kW
75
50
1.0
25
0.1
0.1
μ
s
0.2
×
0.2"
(
0.5
×
0.5mm
)
COPPER PAD AREAS
1.0
μ
s
10
μ
s
100
μ
s
1.0ms
10ms
0
0
25
50
75
100
125
150
175
200
t
d
,PULSE WIDTH, SEC
FIG.3- PULSE WAVEFORM
150
T
A
,AMBIENT TEMPERATURE
(℃)
FIG.4- TYPICAL JUNCTION CAPACITANCE
UNIDIRECTIONAL
TJ=25
℃
f = 1.0MHz
Vsig = 50mVp-p
Measured at
Zero Blas
I
PPM,
PEAK PULSE CURRENT-%
tf=10use
100
Peak Value
lppm
Pulse Width
(
td
)
is Defined
as the Point Where the Peak
Current Decays to 50% of lpp
6,000
CJ, JUNCTION CAPACITANCE, pF
Half Value-lpp
2
50
10/1000usec Waveform
as Defined by R.E.A.
0
td
0
1.0
2.0
3.0
4.0
1,000
Measured at
Stand-Off
Voltage
(
V
MW
)
t, TIME, ms
FIG.5- TYPICAL JUNCTION CAPACITANCE
BIDIRECTIONAL
TJ=25
℃
f = 1.0MHz
Vsig = 50mVp-p
100
6,000
10
1.0
10
100
200
CJ, JUNCTION CAPACITANCE, pF
1,000
Measured at
Zero Blas
V
WM
,REVERSE STAND-OFF VOLTAGE,
VOLTS
FIG.6- MAXMIUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
200
8.3ms Single Half Since-Wave
(
JEDEC Method
)
UNIDIRESTIONAL ONLY
Measured at
Stand-Off
Voltage
(
MW
)
100
I
FSM,
PEAK FORWARD SURGE CURRENT,
AMPERES
100
10
1.0
WM
10
100
200
10
1
10
100
V
,REVERSE STAND-OFF VOLTAGE,
VOLTS
NUMBER OF CYCLES AT 60Hz
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
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