SMAJ SERIES
RoHS
COMPLIANT
Surface Mount Transient Voltage Suppressor Diodes
Uni-directional
Features
●
For surface mounted applications
●
Low-profile package
●
Ideal for automated placement
●
Available in Unidirectional and Bidirectional
●
400 W peak pulse power capability with a 10/1000
μs
waveform
●
Low incremental surge resistance, excellent clamping
capability
●
Very fast response time
●
High temperature soldering guaranteed: 260 °C/10 s at
terminals
Bi-directional
●
Meets MSL level 1
●
Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
Typical Applications
Use in sensitive electronics protection against voltage transients
induced by inductive load switching and lighting on ICs, MOSFET,
signal lines of sensor units for consumer, computer, industrial,
telecommunication.
Mechanical Data
●
Package:
DO-214AC (SMA)
Molding compound meets UL 94 V-0 flammability
rating, RoHS-compliant, halogen-free
●
Terminals:
Tin plated leads, solderable per
J-STD-002 and JESD22-B102
●
Polarity:
For uni-directional types the band denotes cathode
end, no marking on bi-directional types
■
Maximum Ratings
(Ta=25℃ Unless otherwise specified
）
PARAMETER
Peak power dissipation, with a 10/1000us waveform
(1) (2) (Fig.1)
Peak pulse current, with a 10/1000us waveform
(1)
Power dissipation, on infinite heat sink at TL=75℃
Peak forward surge current, 8.3 ms single
half sine-wave unidirectional only (2)
Operating junction and storage temperature range
SYMBOL
P
PPM
I
PPM
P
D
I
FSM
T
J
,T
STG
UNIT
W
A
W
A
℃
Max
400
See Next Table
1.0
40
-55 to +150
■Electrical
Characteristics
（T
a=25℃ Unless otherwise specified）
PARAMETER
Maximum instantaneous forward voltage
@ at 25A for unidirectional only (3)
Maximum instantaneous forward voltage
@ at 1A for unidirectional only
SYMBOL
V
F
V
F
UNIT
V
V
VALUE
3.5/5.0
1.5
1/7
S-S096
Rev. 2.3, 17-Apr-19
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SMAJ SERIES
■
Thermal Characteristics
（T
a=25℃ Unless otherwise specified）
PARAMETER
SYMBOL
R
θJL
Thermal resistance(Typical)
R
θJA
Notes:
(1)
(2)
(3)
Non-repetitive current pulse, per Fig. 3 and derated above T
A
= 25
℃
per Fig.2.
Mounted on 0.2 x 0.2" (5.0 x 5.0 mm) copper pads to each terminal
V
F
<3.5V for devices of V
BR
<200V and V
F
<5.0V for devices of V
BR
>201V
℃/W
junction to ambient
120
UNIT
℃/W
Conditions
junction to lead
VALUE
30
■Electrical
Characteristics
（T
a=25℃ Unless otherwise specified）
Part Number
(Uni)
SMAJ5.0
SMAJ5.0A
SMAJ6.0
SMAJ6.0A
SMAJ6.5
SMAJ6.5A
SMAJ7.0
SMAJ7.0A
SMAJ7.5
SMAJ7.5A
SMAJ8.0
SMAJ8.0A
SMAJ8.5
SMAJ8.5A
SMAJ9.0
SMAJ9.0A
SMAJ10
SMAJ10A
SMAJ11
SMAJ11A
SMAJ12
SMAJ12A
SMAJ13
SMAJ13A
SMAJ14
SMAJ14A
SMAJ15
SMAJ15A
Part Number
(Bi)
SMAJ5.0C
SMAJ5.0CA
SMAJ6.0C
SMAJ6.0CA
SMAJ6.5C
SMAJ6.5CA
SMAJ7.0C
SMAJ7.0CA
SMAJ7.5C
SMAJ7.5CA
SMAJ8.0C
SMAJ8.0CA
SMAJ8.5C
SMAJ8.5CA
SMAJ9.0C
SMAJ9.0CA
SMAJ10C
SMAJ10CA
SMAJ11C
SMAJ11CA
SMAJ12C
SMAJ12CA
SMAJ13C
SMAJ13CA
SMAJ14C
SMAJ14CA
SMAJ15C
SMAJ15CA
Breakdown Voltage V
BR
@I
T
Min(V)
6.40
6.40
6.67
6.67
7.22
7.22
7.78
7.78
8.33
8.33
8.89
8.89
9.44
9.44
10.00
10.00
11.10
11.10
12.20
12.20
13.30
13.30
14.40
14.40
15.60
15.60
16.70
16.70
Max (V)
7.30
7.07
8.15
7.37
8.82
7.98
9.51
8.60
10.20
9.21
10.90
9.83
11.50
10.40
12.20
11.10
13.60
12.30
14.90
13.50
16.30
14.70
17.60
15.90
19.10
17.20
20.40
18.50
I
T
(mA)
10
10
10
10
10
10
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
(4)
Maximum
Maximum
Working Peak
Reverse Leakage
Reverse Surge
Reverse Voltage
(6)
(5)
I
R
@ V
RWM
Current I
PP
V
RWM
(V)
(μA)
(A)
800
800
800
800
500
500
200
200
100
100
50
50
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5.0
5.0
6.0
6.0
6.5
6.5
7.0
7.0
7.5
7.5
8.0
8.0
8.5
8.5
9.0
9.0
10.0
10.0
11.0
11.0
12.0
12.0
13.0
13.0
14.0
14.0
15.0
15.0
41.67
43.38
35.09
38.83
32.52
35.71
30.08
33.33
27.97
31.01
26.67
29.41
25.16
27.78
23.67
25.97
21.28
23.53
19.90
21.98
18.18
20.10
16.81
18.60
15.50
17.24
14.87
16.39
Maximum
Clamping
Voltage Vc
@ I
PP
(V)
9.6
9.2
11.4
10.3
12.3
11.2
13.3
12.0
14.3
12.9
15.0
13.6
15.9
14.4
16.9
15.4
18.8
17.0
20.1
18.2
22.0
19.9
23.8
21.5
25.8
23.2
26.9
24.4
2/7
S-S096
Rev. 2.3, 17-Apr-19
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SMAJ SERIES
■Electrical
Characteristics
（T
a=25℃ Unless otherwise specified）
Part Number
(Uni)
SMAJ16
SMAJ16A
SMAJ17
SMAJ17A
SMAJ18
SMAJ18A
SMAJ19
SMAJ19A
SMAJ20
SMAJ20A
SMAJ22
SMAJ22A
SMAJ24
SMAJ24A
SMAJ26
SMAJ26A
SMAJ28
SMAJ28A
SMAJ30
SMAJ30A
SMAJ33
SMAJ33A
SMAJ36
SMAJ36A
SMAJ40
SMAJ40A
SMAJ43
SMAJ43A
SMAJ45
SMAJ45A
SMAJ48
SMAJ48A
SMAJ51
SMAJ51A
SMAJ54
SMAJ54A
SMAJ58
SMAJ58A
SMAJ60
SMAJ60A
Part Number
(Bi)
SMAJ16C
SMAJ16CA
SMAJ17C
SMAJ17CA
SMAJ18C
SMAJ18CA
SMAJ19C
SMAJ19CA
SMAJ20C
SMAJ20CA
SMAJ22C
SMAJ22CA
SMAJ24C
SMAJ24CA
SMAJ26C
SMAJ26CA
SMAJ28C
SMAJ28CA
SMAJ30C
SMAJ30CA
SMAJ33C
SMAJ33CA
SMAJ36C
SMAJ36CA
SMAJ40C
SMAJ40CA
SMAJ43C
SMAJ43CA
SMAJ45C
SMAJ45CA
SMAJ48C
SMAJ48CA
SMAJ51C
SMAJ51CA
SMAJ54C
SMAJ54CA
SMAJ58C
SMAJ58CA
SMAJ60C
SMAJ60CA
Breakdown Voltage V
BR
@I
T
Min(V)
17.80
17.80
18.90
18.90
20.00
20.00
21.10
21.10
22.20
22.20
24.40
24.40
26.70
26.70
28.90
28.90
31.10
31.10
33.30
33.30
36.70
36.70
40.00
40.00
44.40
44.40
47.80
47.80
50.00
50.00
53.30
53.30
56.70
56.70
60.00
60.00
64.40
64.40
66.70
66.70
Max (V)
21.80
19.70
23.10
20.90
24.40
22.10
25.70
23.30
27.10
24.50
29.80
26.90
32.60
29.50
35.30
31.90
38.00
34.40
40.70
36.80
44.90
40.60
48.90
44.20
54.30
49.10
58.40
52.80
61.10
55.30
65.10
58.90
69.30
62.70
73.30
66.30
78.70
71.20
81.50
73.70
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
(4)
Maximum
Maximum
Working Peak
Reverse Leakage
Reverse Surge
Reverse Voltage
(6)
(5)
I
R
@ V
RWM
Current I
PP
V
RWM
(V)
(μA)
(A)
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
16.0
16.0
17.0
17.0
18.0
18.0
19.0
19.0
20.0
20.0
22.0
22.0
24.0
24.0
26.0
26.0
28.0
28.0
30.0
30.0
33.0
33.0
36.0
36.0
40.0
40.0
43.0
43.0
45.0
45.0
48.0
48.0
51.0
51.0
54.0
54.0
58.0
58.0
60.0
60.0
13.89
15.40
13.11
14.49
12.42
13.70
11.76
13.00
11.17
12.35
10.15
11.27
9.30
10.28
8.58
9.50
8.00
8.81
7.48
8.26
6.78
7.50
6.22
6.88
5.60
6.20
5.22
5.76
4.98
5.50
4.68
5.17
4.39
4.85
4.15
4.59
3.88
4.27
3.74
4.13
Maximum
Clamping
Voltage Vc
@ I
PP
(V)
28.8
26.0
30.5
27.6
32.2
29.2
34.0
30.8
35.8
32.4
39.4
35.5
43.0
38.9
46.6
42.1
50.0
45.4
53.5
48.4
59.0
53.3
64.3
58.1
71.4
64.5
76.7
69.4
80.3
72.7
85.5
77.4
91.1
82.4
96.3
87.1
103.0
93.6
107.0
96.8
3/7
S-S096
Rev. 2.3, 17-Apr-19
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SMAJ SERIES
■Electrical
Characteristics
（T
a=25℃ Unless otherwise specified）
Part
Number(Uni)
SMAJ64
SMAJ64A
SMAJ70
SMAJ70A
SMAJ75
SMAJ75A
SMAJ78
SMAJ78A
SMAJ80
SMAJ80A
SMAJ85
SMAJ85A
SMAJ90
SMAJ90A
SMAJ100
SMAJ100A
SMAJ110
SMAJ110A
SMAJ120
SMAJ120A
SMAJ130
SMAJ130A
SMAJ140
SMAJ140A
SMAJ150
SMAJ150A
SMAJ160
SMAJ160A
SMAJ170
SMAJ170A
SMAJ180
SMAJ180A
SMAJ190
SMAJ190A
SMAJ200A
SMAJ220A
SMAJ250A
SMAJ300A
SMAJ350A
SMAJ400A
SMAJ440A
Breakdown Voltage V
BR
@I
T
Part Number(Bi)
Min(V)
SMAJ64C
SMAJ64CA
SMAJ70C
SMAJ70CA
SMAJ75C
SMAJ75CA
SMAJ78C
SMAJ78CA
SMAJ80C
SMAJ80CA
SMAJ85C
SMAJ85CA
SMAJ90C
SMAJ90CA
SMAJ100C
SMAJ100CA
SMAJ110C
SMAJ110CA
SMAJ120C
SMAJ120CA
SMAJ130C
SMAJ130CA
SMAJ140C
SMAJ140CA
SMAJ150C
SMAJ150CA
SMAJ160C
SMAJ160CA
SMAJ170C
SMAJ170CA
SMAJ180C
SMAJ180CA
SMAJ190C
SMAJ190CA
SMAJ200CA
SMAJ220CA
SMAJ250CA
SMAJ300CA
SMAJ350CA
SMAJ400CA
SMAJ440CA
71.10
71.10
77.80
77.80
83.30
83.30
86.70
86.70
88.90
88.80
94.40
94.40
100.00
100.00
111.00
111.00
122.00
122.00
133.00
133.00
144.00
144.00
155.00
155.00
167.00
167.00
178.00
178.00
189.00
189.00
200.00
200.00
211.00
211.00
224.00
246.00
279.00
335.00
391.00
447.00
492.00
Max (V)
86.90
78.60
95.10
86.00
102.00
92.10
106.00
95.80
108.80
97.60
115.00
104.00
122.00
111.00
136.00
123.00
149.00
135.00
163.00
147.00
176.00
159.00
190.00
171.00
204.00
185.00
218.00
197.00
231.00
209.00
244.00
220.00
258.00
232.00
247.00
272.00
309.00
371.00
432.00
494.00
543.00
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
(4)
Maximum
Maximum
Working Peak
Reverse Leakage
Reverse Surge
Reverse Voltage
(6)
(5)
I
R
@ V
RWM
Current I
PP
V
RWM
(V)
(μA)
(A)
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
1
1
1
1
1
1
1
64.0
64.0
70.0
70.0
75.0
75.0
78.0
78.0
80.0
80.0
85.0
85.0
90.0
90.0
100.0
100.0
110.0
110.0
120.0
120.0
130.0
130.0
140.0
140.0
150.0
150.0
160.0
160.0
170.0
170.0
180.0
180.0
190.0
190.0
200.0
220.0
250.0
300.0
350.0
400.0
440.0
3.51
3.88
3.20
3.54
2.99
3.31
2.88
3.17
2.79
3.09
2.65
2.92
2.50
2.74
2.23
2.47
2.04
2.26
1.87
2.07
1.73
1.91
1.60
1.76
1.49
1.65
1.39
1.54
1.32
1.45
1.24
1.37
1.18
1.30
1.23
1.12
0.99
0.82
0.71
0.62
0.56
Maximum
Clamping
Voltage Vc
@ I
PP
(V)
114.0
103.0
125.0
113.0
134.0
121.0
139.0
126.0
143.2
129.0
151.0
137.0
160.0
146.0
179.0
162.0
196.0
177.0
214.0
193.0
231.0
209.0
250.6
226.8
268.0
243.0
287.0
259.0
304.0
275.0
322.2
291.6
340.1
307.8
324.0
356.0
405.0
486.0
567.0
648.0
713.0
4/7
S-S096
Rev. 2.3, 17-Apr-19
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SMAJ SERIES
Notes:
(4) Pulse test: t
p
≤50ms
(5) Surge current waveform per Fig. 3 and derated per Fig.2.
(6) For bi-directional types having V
RWM
of 10 V and less, the I
R
limit is doubled.
■
Characteristics (Typical)
FIG1:Peak Pulse Power Rating Curve
PPPM(KW)
PPP or IPP(%)
FIG2: Pulse Power or Current vs. Initial Junction Temperature
100
100
不重复脉冲波½见图
3
Non-Repetitive Pulse
Waveform shown in Fige.3
TA=25
℃
75
10
50
1.0
25
0.1
0.2×0.2"(5.0×5.0mm)
Copper Pad Areas
0.1μs
1μs
10μs
100μs
1.0ms
10ms
td(μs)
FIG3: Pulse Waveform
Rth(
℃
/W)
0
0
25
50
75
100
125
150
175 200
TJ
（℃）
FIG4:Typical Transient Thermal Impedance
1000
IPPM(%)
150
tr=10μs
Peak Value
IPPM
TJ=25
℃
Pulse Width(td) is defined as
the Point where the Peak
Current Decays to 50% of IPPM
100
100
Half Value - IPP
2
IPPM
50
10/1000μs Waveform as
Defined by R.E.A.
10
td
0
1
0
1.0
2.0
3.0
4.0
t
（
ms
）
0.001
0.01
0.1
1
10
100
1000
tp(s)
FIG5: Maximum Non-Repetitive Surge Current
100
Peak Forward Surge Current(A)
80
60
40
TJ=TJMax.
8.3ms Single Half Sine-Wave
20
10
0
5
10
Number of Cycles
100
5/7
S-S096
Rev. 2.3, 17-Apr-19
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
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