SMAJ Series 400W Transient Voltage Suppressor
DESCRIPTION:
TVS diodes
iodes can be used in a wide range of applications
which like consumer electronic products, automotive
industries, munitions, telecommunications, aerospace
industries, and intelligent control systems.
SMA
FEATURES:
Glass passivated or planar
ar junction
Excellent clamping capability
Repetition rate (duty cycle): 0.01%
Typical IR less than 1μA
A above 10V.
Low profile package and low
ow inductance
400W Peak Pulse power capability at 10×1000μs
10×1000 waveform.
Fast response time: typically less than 1.0ps from 0V to VBR min.
High temperature
emperature soldering: 260℃/10s
260
at terminals.
Plastic package has Underwriters Laboratory Flammability 94V-0.
94V
For surface mounted applications in order to optimize board space
AEC-Q101 qualified.
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
10/1000
waveform
Maximum Instantaneous Forward Voltage at
30A for Unidirectional
Rev : 01.06.2014
1/6
Symbol
Value
Unit
Tstg
-55 to +1
+125
℃
Tj
-55 to +1
+125
℃
PM(AV)
3.3
W
PPP
400
W
VF
5.0
V
www.leiditech.com
SMAJ Series 400W Transient Voltage Suppressor
ELECTRICAL CHARACTERISTICS (TA=25℃)
Part Number
VR
IR@
VR
VBR@IT
IT
VC@IPP
IPP①
Uni-Polar
Bi-Polar
V
μA
min(V)
max(V)
mA
max(V)
A
SMAJ5.0A
SMAJ5.0CA
5.0
100
6.40
7.00
10
9.2
43.5
SMAJ6.0A
SMAJ6.0CA
6.0
100
6.67
7.37
10
10.3
38.8
SMAJ6.5A
SMAJ6.5CA
6.5
50
7.22
7.98
10
11.2
35.7
SMAJ7.0A
SMAJ7.0CA
7.0
50
7.78
8.60
10
12.0
33.3
SMAJ7.5A
SMAJ7.5CA
7.5
50
8.33
9.21
1
12.9
31.0
SMAJ8.0A
SMAJ8.0CA
8.0
20
8.89
9.83
1
13.6
29.4
SMAJ8.5A
SMAJ8.5CA
8.5
10
9.44
10.40
1
14.4
27.8
SMAJ9.0A
SMAJ9.0CA
9.0
5
10.00
11.10
1
15.4
26.0
SMAJ10A
SMAJ10CA
10.0
2
11.10
12.30
1
17.0
23.5
SMAJ11A
SMAJ11CA
11.0
1
12.20
13.50
1
18.2
22.0
SMAJ12A
SMAJ12CA
12.0
1
13.30
14.70
1
19.9
20.1
SMAJ13A
SMAJ13CA
13.0
1
14.40
15.90
1
21.5
18.6
SMAJ14A
SMAJ14CA
14.0
1
15.60
17.20
1
23.2
17.3
SMAJ15A
SMAJ15CA
15.0
1
16.70
18.50
1
24.4
16.4
SMAJ16A
SMAJ16CA
16.0
1
17.80
19.70
1
26.0
15.4
SMAJ17A
SMAJ17CA
17.0
1
18.90
20.90
1
27.6
14.5
SMAJ18A
SMAJ18CA
18.0
1
20.00
22.10
1
29.2
13.7
SMAJ20A
SMAJ20CA
20.0
1
22.20
24.50
1
32.4
12.4
SMAJ22A
SMAJ22CA
22.0
1
24.40
26.90
1
35.5
11.3
SMAJ24A
SMAJ24CA
24.0
1
26.70
29.50
1
38.9
10.3
SMAJ26A
SMAJ26CA
26.0
1
28.90
31.90
1
42.1
9.5
SMAJ28A
SMAJ28CA
28.0
1
31.10
34.40
1
45.4
8.8
SMAJ30A
SMAJ30CA
30.0
1
33.30
36.80
1
48.4
8.3
SMAJ33A
SMAJ33CA
33.0
1
36.70
40.60
1
53.3
7.5
SMAJ36A
SMAJ36CA
36.0
1
40.00
44.20
1
58.1
6.9
SMAJ40A
SMAJ40CA
40.0
1
44.40
49.10
1
64.5
6.2
SMAJ43A
SMAJ43CA
43.0
1
47.80
52.80
1
69.4
5.8
SMAJ45A
SMAJ45CA
45.0
1
50.00
55.30
1
72.7
5.5
SMAJ48A
SMAJ48CA
48.0
1
53.30
58.90
1
77.4
5.2
SMAJ51A
SMAJ51CA
51.0
1
56.70
62.70
1
82.4
4.9
Rev : 01.06.2014
2/6
www.leiditech.com
SMAJ Series 400W Transient Voltage Suppressor
ELECTRICAL CHARACTERISTICS (TA=25℃, continued)
Part Number
VR
IR@
VR
VBR@IT
IT
VC@IPP
IPP①
Uni-Polar
Bi-Polar
V
μA
min(V)
max(V)
mA
max(V)
A
SMAJ54A
SMAJ54CA
54.0
1
60.00
66.30
1
87.1
4.6
SMAJ58A
SMAJ58CA
58.0
1
64.40
71.20
1
93.6
4.3
SMAJ60A
SMAJ60CA
60.0
1
66.70
73.70
1
96.8
4.1
SMAJ64A
SMAJ64CA
64.0
1
71.10
78.60
1
103.0
3.9
SMAJ70A
SMAJ70CA
70.0
1
77.80
86.00
1
113.0
3.6
SMAJ75A
SMAJ75CA
75.0
1
83.30
92.10
1
121.0
3.3
SMAJ78A
SMAJ78CA
78.0
1
86.70
95.80
1
126.0
3.2
SMAJ85A
SMAJ85CA
85.0
1
94.40
104.0
1
137.0
2.9
SMAJ90A
SMAJ90CA
90.0
1
100.0
111.0
1
146.0
2.8
SMAJ100A
SMAJ100CA
100.0
1
111.0
123.0
1
162.0
2.5
SMAJ110A
SMAJ110CA
110.0
1
122.0
135.0
1
177.0
2.3
SMAJ120A
SMAJ120CA
120.0
1
133.0
147.0
1
193.0
2.1
SMAJ130A
SMAJ130CA
130.0
1
144.0
159.0
1
209.0
1.9
SMAJ150A
SMAJ150CA
150.0
1
167.0
185.0
1
243.0
1.7
SMAJ160A
SMAJ160CA
160.0
1
178.0
197.0
1
259.0
1.6
SMAJ170A
SMAJ170CA
170.0
1
189.0
209.0
1
275.0
1.5
SMAJ180A
SMAJ180CA
180.0
1
201.0
222.0
1
292.0
1.4
SMAJ200A
SMAJ200CA
200.0
1
224.0
247.0
1
324.0
1.3
SMAJ220A
SMAJ220CA
220.0
1
246.0
272.0
1
356.0
1.1
SMAJ250A
SMAJ250CA
250.0
1
279.0
309.0
1
405.0
1.0
SMAJ300A
SMAJ300CA
300.0
1
335.0
371.0
1
486.0
0.8
SMAJ350A
SMAJ350CA
350.0
1
391.0
432.0
1
567.0
0.7
SMAJ400A
SMAJ400CA
400.0
1
447.0
494.0
1
648.0
0.6
SMAJ440A
SMAJ440CA
440.0
1
492.0
543.0
1
713.0
0.6
① Surge waveform: 10/1000μs
VR :Stand-off Voltage -- Maximum voltage that can be applied
VBR: Breakdown Voltage
VC:Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ipp
IR: Reverse Leakage Current
Rev : 01.06.2014
3/6
www.leiditech.com
SMAJ Series 400W 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
V
V C V BR V R
IT
IR
V C V BR V R
VF
V
IR
IT
V R V BR V C
IPP
IPP
FIG.4: Pulse derating curve
FIG.3: Pulse waveform
P PP derating in percentage(%)
100
IPPM (%IRSM )
150
tr = rise time to peak value
td = decay time to half value
tr=10μs
100
80
Peak value
60
Half value
40
50
20
td
0
0
Rev : 01.06.2014
1.0
t(ms)
2.0
3.0
0
0
4.0
4/6
25
50
T A (℃ )
75
100
125
150
175
www.leiditech.com
SMAJ Series 400W Transient Voltage Suppressor
SOLDERING PARAMETERS
Pb-Free assembly
(see FIG.5)
Reflow Condition
-Temperature Min (Ts(min))
tp
-Temperature Max(Ts(max))
+200℃
TP
-Time (Min to Max) (ts)
60-180 secs.
TL
tL
TS(max)
Average ramp up rate (Liquid us Temp
(TL) to peak)
3℃/sec. Max
Ts(max) to TL - Ramp-up Rate
3℃/sec. Max
Reflow
Critical Zone
TL to TP
Ramp-up
-Temperature(TL)(Liquid us)
+217℃
-Temperature(tL)
60-150 secs.
Temperature
Pre
Heat
FIG.5: Reflow condition
+150℃
Ramp-down
Preheat
TS(min)
25
Peak Temp (Tp)
+260(+0/-5)℃
Time within 5℃ of actual Peak Temp (tp)
30 secs. Max
Ramp-down Rate
6℃/sec. Max
Time 25℃ to Peak Temp (TP)
8 min. Max
Do not exceed
+260℃
ts
time to peak temperatue
(t 25℃ to peak)
Time
PACKAGE MECHANICAL DATA
A
Dimensions
B
Ref.
H
F
G
D
E
L
J
K
Millimeters
Min.
Max.
Min.
Max.
A
4.25
4.65
0.167
0.183
B
2.50
2.90
0.098
0.114
C
1.35
1.65
0.053
0.065
D
0.76
1.52
0.030
0.060
E
4.93
5.28
0.194
0.208
F
0.051
0.203
0.002
0.008
G
0.15
0.31
0.006
0.012
H
1.98
2.41
0.078
0.095
J
6.50
Rev : 01.06.2014
L
5/6
0.256
2.30
K
DO-214AC (SMA)
Inches
1.70
0.090
0.067
www.leiditech.com
SMAJ Series 400W Transient Voltage Suppressor
TAPE AND REEL SPECIFICATION-SMA
P0 P1
Cathode
F E
d
Dimensions
B
W
Ref.
A
P
Millimeters
Inches
A
2.79 ± 0.3
0.110 ± 0.012
B
5.33 ± 0.3
0.210 ± 0.012
d
1.5 ± 0.1
0.059 ± 0.004
D
330.0
13.0
D2
13 ± 1
0.512 ± 0.039
E
1.5 ± 0.2
0.059 ± 0.008
F
5.65 ± 0.2
0.222 ± 0.008
P
4.0 ± 0.2
0.157 ± 0.008
P0
4.0 ± 0.2
0.157 ± 0.008
P1
2.0 ± 0.2
0.079 ± 0.008
W
12.0 ± 0.2
0.472 ± 0.008
W1
16.8 ± 2.0
0.661 ± 0.079
OUTLINE
REEL
(PCS)
PER CARTON
(PCS)
REEL DIAMETERS
(mm)
TAPING
5,000
80,000
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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