SMBJ78CA (Leiditech)
600W Transient Voltage Suppressor

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SMBJ Series 600W Transient Voltage Suppressor
DESCRIPTION:
TVS diodes can be used in a wide range of applications
which like consumer electronic products, automotive
industries, munitions, telecommunications, aerospace
industries, and intelligent control systems.
FEATURES:
Glass passivated or planar junction
Excellent clamping capability
Repetition rate (duty cycle): 0.01%
Typical IR less than 1μA above 10V.
Low profile package and low inductance
600W Peak Pulse power capability at 10×1000μs waveform.
Fast response time: typically less than 1.0ps from 0V to VBR min.
High temperature soldering: 260/10s at terminals.
Plastic package has Underwriters Laboratory Flammability 94V-0.
For surface mounted applications in order to optimize board space
SMB
Symbol
ABSOLUTE MAXIMUM RATINGS (TA=25ºC, RH=45%-75%, unless otherwise noted)
Parameter
Storage temperature range
Operating junction temperature range
Steady state power dissipation at TL=75
Peak pulse power dissipation on 10/1000μs
waveform
Maximum Instantaneous Forward Voltage at
50A for Unidirectional
Symbol
Tstg
Tj
PM(AV)
PPP
VF
Value
-55 to +125
-55 to +125
5.0
600
5.0
Unit
W
W
V
Rev : 01.06.2014
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SMBJ78CA (Leiditech)
600W Transient Voltage Suppressor

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SMBJ Series 600W Transient Voltage Suppressor
ELECTRICAL CHARACTERISTICS (TA=25)
Part Number
VR IR@VR
VBR@IT
IT
Uni-Polar Bi-Polar V
μA min(V) max(V) mA
SMBJ5.0A SMBJ5.0CA 5.0 100 6.40 7.00 10
SMBJ6.0A SMBJ6.0CA 6.0 100 6.67 7.37 10
SMBJ6.5A SMBJ6.5CA 6.5
50
7.22 7.98 10
SMBJ7.0A SMBJ7.0CA 7.0
50
7.78 8.60 10
SMBJ7.5A SMBJ7.5CA 7.5
50
8.33 9.21 1
SMBJ8.0A SMBJ8.0CA 8.0
20
8.89 9.83 1
SMBJ8.5A SMBJ8.5CA 8.5
10
9.44 10.40 1
SMBJ9.0A SMBJ9.0CA 9.0 5 10.00 11.10 1
SMBJ10A SMBJ10CA 10 2 11.10 12.30 1
SMBJ11A SMBJ11CA 11 1 12.20 13.50 1
SMBJ12A SMBJ12CA 12 1 13.30 14.70 1
SMBJ13A SMBJ13CA 13 1 14.40 15.90 1
SMBJ14A SMBJ14CA 14 1 15.60 17.20 1
SMBJ15A SMBJ15CA 15 1 16.70 18.50 1
SMBJ16A SMBJ16CA 16 1 17.80 19.70 1
SMBJ17A SMBJ17CA 17 1 18.90 20.90 1
SMBJ18A SMBJ18CA 18 1 20.00 22.10 1
SMBJ20A SMBJ20CA 20 1 22.20 24.50 1
SMBJ22A SMBJ22CA 22 1 24.40 26.90 1
SMBJ24A SMBJ24CA 24 1 26.70 29.50 1
SMBJ26A SMBJ26CA 26 1 28.90 31.90 1
SMBJ28A SMBJ28CA 28 1 31.10 34.40 1
SMBJ30A SMBJ30CA 30 1 33.30 36.80 1
SMBJ33A SMBJ33CA 33 1 36.70 40.60 1
SMBJ36A SMBJ36CA 36 1 40.00 44.20 1
SMBJ40A SMBJ40CA 40 1 44.40 49.10 1
SMBJ43A SMBJ43CA 43 1 47.80 52.80 1
SMBJ45A SMBJ45CA 45 1 50.00 55.30 1
SMBJ48A SMBJ48CA 48 1 53.30 58.90 1
SMBJ51A SMBJ51CA 51 1 56.70 62.70 1
VC@IPP
max(V)
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
IPP
A
65.2
58.3
53.6
50.0
46.5
44.1
41.7
39.0
35.3
33.0
30.2
27.9
25.9
24.6
23.1
21.8
20.6
18.6
16.9
15.4
14.3
13.2
12.4
11.3
10.4
9.3
8.7
8.3
7.8
7.3
Rev : 01.06.2014
2/6 www.leiditech.com


SMBJ78CA (Leiditech)
600W Transient Voltage Suppressor

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SMBJ Series 600W Transient Voltage Suppressor
ELECTRICAL CHARACTERISTICS (TA=25, continued)
Part Number
Uni-Polar Bi-Polar
SMBJ54A SMBJ54CA
SMBJ58A SMBJ58CA
SMBJ60A SMBJ60CA
VR IR@VR
VBR@IT
IT
V μA min(V) max(V) mA
54 1 60.00 66.30 1
58 1 64.40 71.20 1
60 1 66.70 73.70 1
VC@IPP
max(V)
87.1
93.6
96.8
IPP
A
6.9
6.4
6.2
SMBJ64A SMBJ64CA 64
1
71.10 78.60 1
103.0 5.8
SMBJ70A SMBJ70CA 70
1
77.80 86.00 1
113.0 5.3
SMBJ75A SMBJ75CA 75
SMBJ78A SMBJ78CA 78
SMBJ85A SMBJ85CA 85
SMBJ90A SMBJ90CA 90
SMBJ100A SMBJ100CA 100
SMBJ110A SMBJ110CA 110
SMBJ120A SMBJ120CA 120
SMBJ130A SMBJ130CA 130
SMBJ150A SMBJ150CA 150
SMBJ160A SMBJ160CA 160
SMBJ170A SMBJ170CA 170
SMBJ180A SMBJ180CA 180
SMBJ190A SMBJ190CA 190
SMBJ200A SMBJ200CA 200
SMBJ210A SMBJ210CA 210
SMBJ220A SMBJ220CA 220
SMBJ250A SMBJ250CA 250
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
83.30
86.70
94.40
100.0
111.0
122.0
133.0
144.0
167.0
178.0
189.0
201.0
211.0
224.0
233.0
246.0
279.0
92.10
95.80
104.0
111.0
123.0
135.0
147.0
159.0
185.0
197.0
209.0
222.0
234.0
247.0
258.0
272.0
309.0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
121.0
126.0
137.0
146.0
162.0
177.0
193.0
209.0
243.0
259.0
275.0
292.0
307.0
324.0
337.0
356.0
405.0
5.0
4.8
4.4
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.5
SMBJ300A SMBJ300CA 300
SMBJ350A SMBJ350CA 350
1
1
335.0
391.0
371.0
432.0
1
1
486.0
567.0
1.3
1.1
SMBJ400A SMBJ400CA 400
1
447.0 494.0 1
648.0 0.9
SMBJ440A SMBJ440CA 440
1
492.0 543.0 1
713.0 0.8
Surge waveform: 10/1000μs
VR Stand-off Voltage -- Maximum voltage that can be applied
VBRBreakdown Voltage
VCClamping Voltage -- Peak voltage measured across the suppressor at a specified Ipp
IRReverse Leakage Current
Rev : 01.06.2014
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SMBJ78CA (Leiditech)
600W Transient Voltage Suppressor

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SMBJ Series 600W Transient Voltage Suppressor
ORDERING INFORMATION
RATINGS AND V-I CHARACTERISTICS CURVES (TA=25ºC, unless otherwise noted)
FIG.1:V- I curve characteristics
(Uni-directional)
FIG.2:V- I curve characteristics
(Bi-directional)
IPP
VC VBR VR
VF
V
VC VBR VR
IT
IR
IR
IT
V
VR VBR VC
IPP IPP
FIG.3: Pulse waveform
IPPM(%IRSM)
150
tr=10μs
tr = rise time to peak value
td = decay time to half value
100 Peak value
Half value
50
td
0
0 1.0
t(ms)
2.0
3.0
4.0
FIG.4: Pulse derating curve
PPP derating in percentage(%)
100
80
60
40
20
0 TA()
0 25 50 75 100 125 150 175
Rev : 01.06.2014
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SMBJ78CA (Leiditech)
600W Transient Voltage Suppressor

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SMBJ Series 600W Transient Voltage Suppressor
SOLDERING PARAMETERS
Reflow Condition
Pre
Heat
-Temperature Min (Ts(min))
-Temperature Max(Ts(max))
-Time (Min to Max) (ts)
Pb-Free assembly
(see FIG.5)
+150
+200
60-180 secs.
Average ramp up rate (Liquid us Temp
(TL) to peak)
Ts(max) to TL - Ramp-up Rate
Reflow
-Temperature(TL)(Liquid us)
-Temperature(tL)
Peak Temp (Tp)
3/sec. Max
3/sec. Max
+217
60-150 secs.
+260(+0/-5)
Time within 5of actual Peak Temp (tp) 30 secs. Max
Ramp-down Rate
6/sec. Max
Time 25to Peak Temp (TP)
Do not exceed
8 min. Max
+260
FIG.5: Reflow condition
TP
TL
TS(max)
Ramp-up
TS(min)
Preheat
ts
tp
Critical Zone
TL to TP
tL
Ramp-down
25 time to peak temperatue
(t 25to peak)
Time
PACKAGE MECHANICAL DATA
A
DE
J
K
G
DO-214AA (SMB)
Dimensions
Ref. Millimeters
Inches
Min. Max. Min. Max.
A 4.25 4.75 0.167 0.187
B 3.30 3.94 0.130 0.155
C 1.85 2.21 0.073 0.087
D 0.76 1.52 0.030 0.060
E 5.08 5.59 0.200 0.220
F 0.051 0.203 0.002 0.008
G 0.15 0.31 0.006 0.012
H 2.11 2.44 0.083 0.096
J 6.80
0.270
K 2.60 0.100
L 2.40
0.090
Rev : 01.06.2014
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SMBJ78CA (Leiditech)
600W Transient Voltage Suppressor

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SMBJ Series 600W Transient Voltage Suppressor
TAPE AND REEL SPECIFICATION-SMB
d P0 P1
AP
OUTLINE
TAPING
REEL
(PCS)
3,000
Cathode
Dimensions
Ref.
Millimeters
Inches
A 3.76 ± 0.2 0.144 ± 0.012
B 5.69 ± 0.2 0.244 ± 0.012
d
1.5 ± 0.25
0.059 ± 0.004
D 330.0
13.0
D2
13 ± 1
0.512 ± 0.039
E 1.75 ± 0.2 0.059 ± 0.008
F
5.5 ± 0.1
0.222 ± 0.008
P
8.0 ± 0.2
0.315 ± 0.008
P0
4.0 ± 0.2
0.157 ± 0.008
P1
2.0 ± 0.2
0.079 ± 0.008
W 12.0 ± 0.3 0.472 ± 0.008
W1 16.8 ± 2.0 0.661 ± 0.079
PER CARTON
(PCS)
48,000
REEL DIAMETERS
(mm)
330
Shanghai Leiditech Electronic Co.,Ltd
Email: sale1@leiditech.com
Tel : +86- 021 50828806
Fax : +86- 021 50477059
Rev : 01.06.2014
6/6
www.leiditech.com




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