DATA SHEET
TRANSIENT VOLTAGE SUPPRESSORS
AC/DC POWER SUPPLY
1.0SMB series
Product specification– June 30, 2023 V.3
RoHS compliant & Halogen free
Circuit Protection
Transient Voltage Suppressors
Product Specification
1.0SMB
2
9
Transient Voltage Suppressors (TVS) Data Sheet
Features
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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
1000W peak pulse power capability at 10/1000μs waveform,
repetition rate (duty cycle): 0.01%
Fast response time
Typical IR less than 1μA above 12V
High Temperature soldering: 260℃/10 seconds at terminals
Plastic package has underwriters laboratory flammability 94V-0
Meets MSL level 1, per J-STD-020
IEC61000-4-2 ESD 30KV Air, 30KV contact compliance
Mechanical Data
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Case: JEDEC DO-214AA. Molded plastic over glass passivated junction
Terminal: Tin plated, solderable per MIL-STD-750, Method 2026
Polarity: Color band denotes cathode except bi-directional models
Standard Packaging: 12mm tape (EIA STD RS-481)
Weight: 0.10g
Applications
■ I/O interface
■ AC/DC power supply
■ Low frequency signal transmission line (RS232, RS485, etc.)
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Jun. 30, 2023 V.3
Circuit Protection
Product Specification
Transient Voltage Suppressors
3
9
1.0SMB
Maximum Ratings and Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified.
Rating
Symbol
Value
Units
Peak pulse power dissipation at 10/1000μs waveform
(Note1, Note2, Fig.1)
PPPM
Minimum 1000
Watts
Peak pulse current of at 10/1000μs waveform (Note 1, Fig.3)
IPPM
See Table
Amps
PM(AV)
5.0
Watts
IFSM
100
Amps
TJ,TSTG
-55 to +150
℃
Typical thermal resistance junction to lead
RθJL
20
℃/W
Typical thermal resistance junction to ambient
RθJA
100
℃/W
Steady state power dissipation at TA=50℃ (Fig.5)
Peak forward surge current, 8.3ms single half sine-wave
superimposed on rated load, (JEDEC Method) (Note3, Fig.6)
Operating junction and Storage Temperature Range.
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25℃ per Fig.2.
2. Mounted on 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal.
3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum.
Dimensions (SMB/DO-214AA)
Product:
Millimeters
Inches
Symbol
Cathode Band
Min.
Max.
Min.
Max.
L
4.06
4.57
0.160
0.180
D
3.30
3.94
0.130
0.155
D1
1.95
2.20
0.077
0.086
T
5.21
5.59
0.205
0.220
T1
0.76
1.52
0.030
0.060
d
-
0.203
-
0.008
H
2.15
2.65
0.085
0.104
H1
2.13
2.47
0.084
0.097
D1 D
L
H1 H
d
T1
T
2.18mm
Pad:
1.75mm
2.16mm
1.75mm
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Jun. 30, 2023 V.3
Circuit Protection
Product Specification
Transient Voltage Suppressors
4
9
1.0SMB
Electrical Characteristics (TA=25℃)
Part Number
Device
Marking
Code
Reverse
Stand-Off
Voltage
Breakdown
Voltage
@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@VRWM
Unidirectional
Bidirectional
UNI
BI
VRWM(V)
VBR(V)
IT(mA)
VC(V)
IPP(A)
IR(μA)
1.0SMB6.8A
1.0SMB6.8CA
6K8A
6K8C
5.80
6.45~7.14
10
10.5
96.8
1000
1.0SMB7.5A
1.0SMB7.5CA
7K5A
7K5C
6.40
7.13~7.88
10
11.3
90.0
500
1.0SMB8.2A
1.0SMB8.2CA
8K2A
8K2C
7.02
7.79~8.61
10
12.1
84.0
200
1.0SMB9.1A
1.0SMB9.1CA
9K1A
9K1C
7.78
8.65~9.55
1
13.4
75.8
50
1.0SMB10A
1.0SMB10CA
K10A
K10C
8.55
9.50~10.50
1
14.5
70.2
10
1.0SMB11A
1.0SMB11CA
K11A
K11C
9.40
10.50~11.60
1
15.6
65.2
5
1.0SMB12A
1.0SMB12CA
K12A
K12C
10.20
11.40~12.60
1
16.7
60.8
5
1.0SMB13A
1.0SMB13CA
K13A
K13C
11.10
12.40~13.70
1
18.2
55.8
1
1.0SMB15A
1.0SMB15CA
K15A
K15C
12.80
14.30~15.80
1
21.2
48.0
1
1.0SMB16A
1.0SMB16CA
K16A
K16C
13.60
15.20~16.80
1
22.5
45.2
1
1.0SMB18A
1.0SMB18CA
K18A
K18C
15.30
17.10~18.90
1
25.5
40.3
1
1.0SMB20A
1.0SMB20CA
K20A
K20C
17.10
19.00~21.00
1
27.7
36.7
1
1.0SMB22A
1.0SMB22CA
K22A
K22C
18.80
20.90~23.10
1
30.6
33.2
1
1.0SMB24A
1.0SMB24CA
K24A
K24C
20.50
22.80~25.20
1
33.2
30.7
1
1.0SMB27A
1.0SMB27CA
K27A
K27C
23.10
25.70~28.40
1
37.5
27.2
1
1.0SMB30A
1.0SMB30CA
K30A
K30C
25.60
28.50~31.50
1
41.4
24.5
1
1.0SMB33A
1.0SMB33CA
K33A
K33C
28.20
31.40~34.70
1
45.7
22.2
1
1.0SMB36A
1.0SMB36CA
K36A
K36C
30.80
34.20~37.80
1
49.9
20.3
1
1.0SMB39A
1.0SMB39CA
K39A
K39C
33.30
37.10~41.00
1
53.9
18.8
1
1.0SMB43A
1.0SMB43CA
K43A
K43C
36.80
40.90~45.20
1
59.3
17.2
1
1.0SMB47A
1.0SMB47CA
K47A
K47C
40.20
44.70~49.40
1
64.8
15.7
1
1.0SMB51A
1.0SMB51CA
K51A
K51C
43.60
48.50~53.60
1
70.1
14.5
1
1.0SMB56A
1.0SMB56CA
K56A
K56C
47.80
53.20~58.80
1
77.0
13.2
1
1.0SMB62A
1.0SMB62CA
K62A
K62C
53.00
58.90~65.10
1
85.0
12.0
1
1.0SMB68A
1.0SMB68CA
K68A
K68C
58.10
64.60~71.40
1
92.0
11.0
1
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Jun. 30, 2023 V.3
Circuit Protection
Product Specification
Transient Voltage Suppressors
5
9
1.0SMB
Ratings and Characteristic Curves (TA=25℃ unless otherwise noted)
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Derating Curve
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
PPPM - Peak Pulse Power (kW)
100
10
1
0.2×0.2″(5.0×5.0mm)
Copper Pad Area
0.1
1
100
10
100
80
60
40
20
0
1000
0
td-Pulse Width (µs)
50
75
125
100
150
175
TA-Ambient Temperature (℃)
Figure 3. Pulse Waveform
Figure 4. Typical Junction Capacitance
10000
150
Bi-directional V=0V
TJ=25℃
Pulse Width(td) is defined as
the point where the peak
current decays to 50% of IPPM
tr=10µs
Uni-directional V=0V
1000
Uni-directional @VR
Peak Value IPPM
100
Cj (pF)
IPPM - Peak Pulse Current, %IRSM
25
100
Half Value IPPM (IPPM/2)
Bi-directional @VR
50
10
10/1000µs Waveform
as defined by R.E.A
1
td
0
0
TJ=25℃
f=1.0MHz
Vsig=50mVp-p
1
1.0
2.0
3.0
4.0
10
100
1000
VBR-Reverse Breakdown Voltage (V)
t-Time (ms)
6
Figure 6. Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
IFSM - Peak Forward Surve Current (A)
PM(AV), Steady State Power Dissipation (W)
Figure 5. Steady State Power Dissipation Derating
Curve
5
4
3
2
1
0
0
25
50
75
100
125
TA-Ambient Temperature (℃)
150
175
120
100
80
60
40
20
0
1
10
100
Number of Cycles at 60Hz
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Jun. 30, 2023 V.3
Circuit Protection
Product Specification
Transient Voltage Suppressors
6
9
1.0SMB
Recommended Soldering Conditions
Reflow Soldering
Critical Zone
TL to TP
tP
TP
Ramp-up
TL
tL
Temperature
TS max
TS min
Ramp-down
tS
Preheat
25
t 25℃ to Peak
Time
Recommended Conditions
Profile Feature
Pb-Free Assembly
Average ramp-up rate (TL to TP)
3℃/second max.
Preheat
-Temperature Min (TS min)
-Temperature Max (TS max)
-Time (min to max) (tS)
150℃
200℃
60-180 seconds
TS max to TL
-Ramp-up Rate
3℃/second max.
Time maintained above:
-Temperature (TL)
-Time (tL)
217℃
60-150 seconds
Peak Temperature (TP)
260℃
Time within 5℃ of actual Peak Temperature (tP)
Ramp-down Rate
Time 25℃ to Peak Temperature
20-40 seconds
6℃/second max.
8 minutes max.
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Jun. 30, 2023 V.3
Circuit Protection
Product Specification
Transient Voltage Suppressors
7
9
1.0SMB
Marking Code
Cathode Band
YXXX
YXXX
6K8A
6K8C
Logo
Intermal Control Code
Marking Code
Logo
Intermal Control Code
Marking Code
Part Number Code
1.0SMB
XXX C A / XXXX
Package Code
TR7:7 inch reel package
TR13:13 inch reel package
5% VBR Voltage Tolerance
Bidirectional
VBR Voltage
Series Code
Ordering Code for Different Package
7 inch reel package: Add suffix “/TR7 ” at the end of the part number, such as 1.0SMBXXXCA/TR7
13 inch reel package: Add suffix “/TR13 ” at the end of the part number,such as 1.0SMBXXXCA/TR13
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Jun. 30, 2023 V.3
Circuit Protection
Product Specification
Transient Voltage Suppressors
8
9
1.0SMB
Packaging
Tape
P0
P1
P2
D0
B
W
12.00±0.20
P0
4.00±0.10
P1
8.00±0.10
P2
2.00±0.10
D0
Φ1.55±0.10
D1
Φ1.5±0.10
E
1.75±0.10
F
5.50±0.10
A0
3.86±0.15
B0
5.65±0.10
K0
2.75±0.15
T
0.25±0.05
D2
Φ178.0±2.0
D3
Φ50.0Min.
D4
Φ13.0±0.5
W1
16.0±2.0
W
B0
D1
A
Dimension (mm)
T
E
F
A
Symbol
K0
B
SECTION B-B
A0
SECTION A-A
7” Reel
D4
D3
D2
13” Reel
W1
Quantity: 500PCS
D5
Φ330.0±2.0
D6
Φ13.5±0.5
H
2.5±1.0
W2
16.0±2.0
Quantity: 3000PCS
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Jun. 30, 2023 V.3
Product specification
Circuit Protection Components
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