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1.0SMB SERIES
Transient Voltage Suppressors (TVS) Data Sheet
Features
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
Mechanical Data
Case: JEDEC DO-214AA. Molded plastic over glass passivated junction
Terminal: Solder 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.)
Maximum Ratings and Characteristics
Ratings at 25ambient 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
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)
PM(AV)
IFSM
5.0 Watts
100 Amps
Operating junction and Storage Temperature Range.
TJ,TSTG
-65 to +150
Typical thermal resistance junction to lead
RθJL
20 /W
Typical thermal resistance junction to ambient
RθJA
100 /W
Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25per 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.
Revision16-Jun-15
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Dimensions (SMB/DO-214AA)
1.0SMB SERIES
Symbol
L
D
D1
T
T1
d
H
H1
Millimeters
Min. Max.
4.06 4.57
3.30 3.94
1.95 2.20
5.21 5.59
0.76 1.52
- 0.203
2.15 2.65
2.13 2.47
Inches
Min. Max.
0.160 0.180
0.130 0.155
0.077 0.086
0.205 0.220
0.030 0.060
- 0.008
0.085 0.104
0.084 0.097
Electrical Characteristics (TA=25)
Part Number
Device
Marking
Code
Reverse
Stand-Off
Voltage
Unidirectional Bidirectional UNI
1.0SMB6.8A 1.0SMB6.8CA 6K8A
BI
6K8C
VRWM(V)
5.80
1.0SMB7.5A 1.0SMB7.5CA 7K5A 7K5C
6.40
1.0SMB8.2A 1.0SMB8.2CA 8K2A 8K2C
7.02
1.0SMB9.1A 1.0SMB9.1CA 9K1A 9K1C
7.78
1.0SMB10A 1.0SMB10CA K10A K10C
8.55
1.0SMB11A 1.0SMB11CA K11A K11C
9.40
1.0SMB12A 1.0SMB12CA K12A K12C 10.20
1.0SMB13A 1.0SMB13CA K13A K13C 11.10
1.0SMB15A 1.0SMB15CA K15A K15C 12.80
1.0SMB16A 1.0SMB16CA K16A K16C 13.60
1.0SMB18A 1.0SMB18CA K18A K18C 15.30
1.0SMB20A 1.0SMB20CA K20A K20C 17.10
1.0SMB22A 1.0SMB22CA K22A K22C 18.80
1.0SMB24A 1.0SMB24CA K24A K24C 20.50
Breakdown
Voltage
@IT
VBR(V)
6.45~7.14
7.13~7.88
7.79~8.61
8.65~9.55
9.50~10.50
10.50~11.60
11.40~12.60
12.40~13.70
14.30~15.80
15.20~16.80
17.10~18.90
19.00~21.00
20.90~23.10
22.80~25.20
Test
Current
IT(mA)
10
Maximum
Clamping
Voltage
@IPP
VC(V)
10.5
Peak
Pulse
Current
IPP(A)
96.8
Reverse
Leakage
@VRWM
IR(μA)
1000
10 11.3 90.0 500
10 12.1 84.0 200
1 13.4 75.8 50
1 14.5 70.2 10
1 15.6 65.2 5
1 16.7 60.8 5
1 18.2 55.8 1
1 21.2 48.0 1
1 22.5 45.2 1
1 25.5 40.3 1
1 27.7 36.7 1
1 30.6 33.2 1
1 33.2 30.7 1
Revision16-Jun-15
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Electrical Characteristics (TA=25)
1.0SMB SERIES
Part Number
Device
Marking
Code
Reverse
Stand-Off
Voltage
Unidirectional Bidirectional UNI
1.0SMB27A 1.0SMB27CA K27A
BI
K27C
VRWM(V)
23.10
Breakdown
Voltage
@IT
VBR(V)
25.70~28.40
1.0SMB30A 1.0SMB30CA K30A K30C 25.60
28.50~31.50
1.0SMB33A 1.0SMB33CA K33A K33C 28.20
31.40~34.70
1.0SMB36A 1.0SMB36CA K36A K36C 30.80
34.20~37.80
1.0SMB39A 1.0SMB39CA K39A K39C 33.30
37.10~41.00
1.0SMB43A 1.0SMB43CA K43A K43C 36.80
40.90~45.20
1.0SMB47A 1.0SMB47CA K47A K47C 40.20
44.70~49.40
1.0SMB51A 1.0SMB51CA K51A K51C 43.60
48.50~53.60
1.0SMB56A 1.0SMB56CA K56A K56C 47.80
53.20~58.80
1.0SMB62A 1.0SMB62CA K62A K62C 53.00
58.90~65.10
1.0SMB68A 1.0SMB68CA K68A K68C 58.10
64.60~71.40
Notes: For bidirectional type having VRWM of 12V and less, the IR limit is double.
Test
Current
IT(mA)
1
Maximum
Clamping
Voltage
@IPP
VC(V)
37.5
Peak
Pulse
Current
IPP(A)
27.2
Reverse
Leakage
@VRWM
IR(μA)
1
1 41.4 24.5 1
1 45.7 22.2 1
1 49.9 20.3 1
1 53.9 18.8 1
1 59.3 17.2 1
1 64.8 15.7 1
1 70.1 14.5 1
1 77.0 13.2 1
1 85.0 12.0 1
1 92.0 11.0 1
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Ratings and Characteristic Curves (TA=25unless otherwise noted)
1.0SMB SERIES
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Derating Curve
100
80
60
40
20
0
0
25 50 75 100 125 150
TA-Ambient Temperature ()
175
Figure 3. Pulse Waveform
Figure 4. Typical Junction Capacitance
Figure 5. Steady State Power Dissipation Derating
Curve
Figure 6. Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
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Recommended Soldering Conditions
Reflow Soldering
1.0SMB SERIES
Recommended Conditions
Profile Feature
Average ramp-up rate (TL to TP)
Preheat
-Temperature Min (TS min)
-Temperature Max (TS max)
-Time (min to max) (tS)
TS max to TL
-Ramp-up Rate
Time maintained above:
-Temperature (TL)
-Time (tL)
Peak Temperature (TP)
Time within 5of actual Peak Temperature (tP)
Ramp-down Rate
Time 25to Peak Temperature
Marking Code
Pb-Free Assembly
3/second max.
150
200
60-180 seconds
3/second max.
217
60-150 seconds
260
20-40 seconds
6/second max.
8 minutes max.
Revision16-Jun-15
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