SMAJ Series
Surface Mount Transient Voltage Suppressor
Features
SMA
Low inductance
Low profile package
2
1.Cathode
Glass passivated junction
2.Anode
Unipolar
1
Bipolar
Maximum Ratings and Electrical Characteristics
Ratings at 25℃ ambient temperature unless otherwise specified.
Parameter
Symbols
Value
Unit
PPPM
400
W
60
A
IPPM
see Table 1
A
Contact
VESD1
±30
Air
VESD2
±30
RθJA
30
°C/W
TJ
150
°C
TSTG
-65 to +150
°C
Peak Pulse Power Dissipation on TA=25°C (Note1,2,3)
Peak Forward Surge Current at 8.3 ms
IFSM
Single Half Sine Wave Superimposed on Rated Load
Peak Pulse Current on 10/1000 us waveform Note1
ESD Voltage per IEC6100-4-2
Typical Thermal Resistance Junction to Ambient Note2
Operating Junction Temperature
Storage Temperature Range
(UNI)
kV
Note:
1.
Non-repetitive current pulse, per Fig.3 and derated above TA = 25°C per Fig. 2.
2.
Mounted on 5mm2 copper pads to each terminal.
3.
Peak pulse power waveform is 10/1000μS.
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Revision:2.0 Jul-2021
1/5
SMAJ Series
Surface Mount Transient Voltage Suppressor
Electrical Characteristics
Table 1
Ratings at TA = 25℃ ambient temperature unless otherwise specified.
Breakdown
Test
Reverse
Stand-off
Voltage
Current
Leakage
Voltage
Type
UNI
Reverse
BI
VBR at IT
IT
Max.
Peak
Clamp
Pulse
Voltage
Current
IR
VC
at VRWM
at IPP
V
A
VRMW
Min.
Max.
V
V
V
mA
μA
IPP
Package
SMA
Device Marking
Code
UNI
BI
SMAJ5.0A
SMAJ5.0CA
5
6.4
7
10
800
9.2
43.5
AE
WE
SMAJ6.0A
SMAJ6.0CA
6
6.67
7.37
10
800
10.3
38.8
AG
WG
SMAJ6.5A
SMAJ6.5CA
6.5
7.22
7.98
10
500
11.2
35.7
AK
WK
SMAJ7.0A
SMAJ7.0CA
7
7.78
8.6
10
200
12
33.3
AM
WM
SMAJ7.5A
SMAJ7.5CA
7.5
8.33
9.21
1
100
12.9
31
AP
WP
SMAJ8.0A
SMAJ8.0CA
8
8.89
9.83
1
50
13.6
29.4
AR
WR
SMAJ8.5A
SMAJ8.5CA
8.5
9.44
10.4
1
20
14.4
27.8
AT
WT
SMAJ9.0A
SMAJ9.0CA
9
10
11.1
1
10
15.4
26
AV
WV
SMAJ10A
SMAJ10CA
10
11.1
12.3
1
5
17
23.5
AX
WX
SMAJ11A
SMAJ11CA
11
12.2
13.5
1
1
18.2
22
AZ
WZ
SMAJ12A
SMAJ12CA
12
13.3
14.7
1
1
19.9
20.1
BE
XE
SMAJ13A
SMAJ13CA
13
14.4
15.9
1
1
21.5
18.6
BG
XG
SMAJ14A
SMAJ14CA
14
15.6
17.2
1
1
23.2
17.2
BK
XK
SMAJ15A
SMAJ15CA
15
16.7
18.5
1
1
24.4
16.4
BM
XM
SMAJ16A
SMAJ16CA
16
17.8
19.7
1
1
26
15.4
BP
XP
SMAJ17A
SMAJ17CA
17
18.9
20.9
1
1
27.6
14.5
BR
XR
SMAJ18A
SMAJ18CA
18
20
22.1
1
1
29.2
13.7
BT
XT
SMAJ20A
SMAJ20CA
20
22.2
24.5
1
1
32.4
12.3
BV
XV
SMAJ22A
SMAJ22CA
22
24.4
26.9
1
1
35.5
11.3
BX
XX
SMAJ24A
SMAJ24CA
24
26.7
29.5
1
1
38.9
10.3
BZ
XZ
SMAJ26A
SMAJ26CA
26
28.9
31.9
1
1
42.1
9.5
CE
YE
SMAJ28A
SMAJ28CA
28
31.1
34.4
1
1
45.4
8.8
CG
YG
SMAJ30A
SMAJ30CA
30
33.3
36.8
1
1
48.4
8.3
CK
YK
SMAJ33A
SMAJ33CA
33
36.7
40.6
1
1
53.3
7.5
CM
YM
SMAJ36A
SMAJ36CA
36
40
44.2
1
1
58.1
6.9
CP
YP
SMAJ40A
SMAJ40CA
40
44.4
49.1
1
1
64.5
6.2
CR
YR
SMAJ43A
SMAJ43CA
43
47.8
52.8
1
1
69.4
5.8
CT
YT
SMAJ45A
SMAJ45CA
45
50
55.3
1
1
72.7
5.5
CV
YV
SMAJ48A
SMAJ48CA
48
53.3
58.9
1
1
77.4
5.2
CX
YX
SMAJ51A
SMAJ51CA
51
56.7
62.7
1
1
82.4
4.9
CZ
YZ
SMAJ54A
SMAJ54CA
54
60
66.3
1
1
87.1
4.6
RE
ZE
SMAJ58A
SMAJ58CA
58
64.4
71.2
1
1
93.6
4.3
RG
ZG
SMAJ60A
SMAJ60CA
60
66.7
73.7
1
1
96.8
4.1
RK
ZK
SMAJ64A
SMAJ64CA
64
71.1
78.6
1
1
103
3.9
RM
ZM
SMAJ70A
SMAJ70CA
70
77.8
86
1
1
113
3.5
RP
ZP
SMAJ75A
SMAJ75CA
75
83.3
92.1
1
1
121
3.3
RR
ZR
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Revision:2.0 Jul-2021
2/5
SMAJ Series
Surface Mount Transient Voltage Suppressor
SMAJ78A
SMAJ78CA
78
86.7
95.8
1
1
126
3.2
RT
ZT
SMAJ85A
SMAJ85CA
85
94.4
104
1
1
137
2.9
RV
ZV
SMAJ90A
SMAJ90CA
90
100
111
1
1
146
2.7
RX
ZX
SMAJ100A
SMAJ100CA
100
111
123
1
1
162
2.5
RZ
ZZ
SMAJ110A
SMAJ110CA
110
122
135
1
1
177
2.3
SE
VE
SMAJ120A
SMAJ120CA
120
133
147
1
1
193
2.1
SG
VG
SMAJ130A
SMAJ130CA
130
144
159
1
1
209
1.9
SK
VK
SMAJ150A
SMAJ150CA
150
167
185
1
1
243
1.6
SM
VM
SMAJ160A
SMAJ160CA
160
178
197
1
1
259
1.5
SP
VP
SMAJ170A
SMAJ170CA
170
189
209
1
1
275
1.5
SR
VR
SMAJ180A
SMAJ180CA
180
201
222
1
1
292
1.4
ST
VT
SMAJ200A
SMAJ200CA
200
224
247
1
1
324
1.2
SV
VV
SMAJ220A
SMAJ220CA
220
246
272
1
1
356
1.1
SX
VX
SMAJ250A
SMAJ250CA
250
279
309
1
1
405
1
SZ
VZ
SMAJ300A
SMAJ300CA
300
335
371
1
1
486
0.8
TE
UE
SMAJ350A
SMAJ350CA
350
391
432
1
1
567
0.7
TG
UG
SMAJ400A
SMAJ400CA
400
447
494
1
1
648
0.6
TK
UK
SMAJ440A
SMAJ440CA
440
492
543
1
1
713
0.6
TM
UM
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Revision:2.0 Jul-2021
3/5
SMAJ Series
Surface Mount Transient Voltage Suppressor
Typical Characteristic Curves
Fig.2
100
Non-Repetive
e ulse.Wavefom
Shown in Figure.3
T A=25°C
10
1.0
Mounted on 5.0mm
Copper Land Areas
0.1
0.1
10
1
100
1000
10000
Peak Pulse Power(PPP) or Current(IPP)
Deratingin Percentage%
PPPM,Peak Pulse Forward (kW)
Fig.1
100
80
60
40
20
0
25
td, Pulse Width (us)
50
Pulse Width (td) is Defined
as the Point where the Peak.
Current Decayst to 50% of Ipp
alue
I ppm
80
Half Value-I pp /2
60
10/1000usec Waveform as Defined bye R.E.A.
40
20
0
0
1.0
2.0
T,Time (ms)
www.pingjingsemi.com
Revision:2.0 Jul-2021
3.0
4.0
IFSM,Peaj Forward Surge Current (A)
I ppm ,Peak Pulse Current (%)
Peak
k
100
125
150
175
Fig.4
T A =25°C
t f =10usec
100
TA, Ambient Temperature (°C)
Fig.3
120
75
60
50
40
30
20
10
T J=T Jmax
8.3ms Single Half Sinepwave
JEDEC Method
0
1
10
100
Number of Cycles at 60Hz
4/5
SMAJ Series
Surface Mount Transient Voltage Suppressor
Package Outline
SMA
A
A
Dimensions in mm
c
a
b
VM
e
A
HE
g
e
E
A
D
E
HE
c
e
g
b
max
2.2
4.5
2.7
5.2
0.31
1.6
1.5
0.2
min
1.9
4.0
2.3
4.7
0.15
1.3
0.9
0.05
max
87
181
106
205
12
63
59
7.9
min
75
157
91
185
6
51
35
2
UNIT
mm
mil
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Revision:2.0 Jul-2021
g
e
A
D
a
0.3
12
5/5
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