Technical Data Automotive qualified
Data Sheet N0223, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SMAJ SERIES
SMAJ5.0A THRU SMAJ300CA
SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA= 25°C per Fig. 2.
2. Mounted on 5.0mm²copper pads to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wavefor unidirectional device only.
Features
Circuit Diagram
Mechanical Data
Maximum Ratings and Thermal Characteristics@TA=25°C unless otherwise specified
Parameter
Symbol
Value
Peak Pulse Power Dissipation at
TA=25°C by 10x1000μs Waveform
(Fig.2)(Note 1, 2)
PPPM
400
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave ( Fig.7),(Note 3)
IFSM
40
Power Dissipation on Infinite Heat
Sink at TA=50°C
PM(AV)
3.3
Operating Junction and Storage
Temperature Range
TJ,TSTG
-55 to 150
Typical Thermal Resistance Junction to Lead
RθJL
30
Typical Thermal Resistance Junction to Ambient
RθJA
120
Case: SMA Low Profile Molded Plastic
Terminals: Solder Plated , Solderable per MIL-STD
750, Method 2026
Polarity: Color band denotes cathode except Bipolar
Mounting Position: Any
Weight:0.064 grams(approx.)
Glass Passivated Die Construction
400W Peak Pulse Power Dissipation
5.0V- 300V Standoff Voltage
Uni- and Bi-Directional Versions Available
Excellent Clamping Capability
Fast Response Time
Plastic Case Material has UL Flammability
Classification Rating 94V-O
ROHS Compliant
All SMC Parts are Traceable to the Wafer Lot
Additional testing can be offered upon request
“-A” suffix is for Automotive qualified
SMA
Bipolar
Unipolar
Technical Data Automotive qualified
Data Sheet N0223, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SMAJ SERIES
Electrical Characteristics@TA=25°C unless otherwise specified
UNI-POLAR
BI-POLAR
DEVICE
MARKING
CODE
REVERSE
STAND-
OFF
VOLTAGE
VRWM (V)
BREAKDOWN
VOLTAGE
VBR (V) MIN.
@IT
BREAKDOWN
VOLTAGE
VBR (V) MAX.
@IT
TEST
CURRE
NT
IT(MA)
MAXMUM
CLAMPING
VOLTAGE
@IPP
VC(V)
PEAK
PULSE
CURRE
NT
IPP(A)
REVERSE
LEAKAGE
@VRWM
IR(uA)
UNI
BI
SMAJ5.0A
SMAJ5.0CA
HE
TE
5
6.4
7
10
9.2
43.5
800
SMAJ6.0A
SMAJ6.0CA
HG
TG
6
6.67
7.37
10
10.3
38.8
800
SMAJ6.5A
SMAJ6.5CA
HK
TK
6.5
7.22
7.98
10
11.2
35.7
500
SMAJ7.0A
SMAJ7.0CA
HM
TM
7
7.78
8.6
10
12
33.3
200
SMAJ7.5A
SMAJ7.5CA
HP
TP
7.5
8.33
9.21
1
12.9
31
100
SMAJ8.0A
SMAJ8.0CA
HR
TR
8
8.89
9.83
1
13.6
29.4
50
SMAJ8.5A
SMAJ8.5CA
HT
TT
8.5
9.44
10.4
1
14.4
27.8
20
SMAJ9.0A
SMAJ9.0CA
HV
TV
9
10
11.1
1
15.4
26
10
SMAJ10A
SMAJ10CA
HX
TX
10
11.1
12.3
1
17
23.5
5
SMAJ11A
SMAJ11CA
HZ
TZ
11
12.2
13.5
1
18.2
22
5
SMAJ12A
SMAJ12CA
IE
UE
12
13.3
14.7
1
19.9
20.1
5
SMAJ13A
SMAJ13CA
IG
UG
13
14.4
15.9
1
21.5
18.6
5
SMAJ14A
SMAJ14CA
IK
UK
14
15.6
17.2
1
23.2
17.2
5
SMAJ15A
SMAJ15CA
IM
UM
15
16.7
18.5
1
24.4
16.4
5
SMAJ16A
SMAJ16CA
IP
UP
16
17.8
19.7
1
26
15.4
5
SMAJ17A
SMAJ17CA
IR
UR
17
18.9
20.9
1
27.6
14.5
5
SMAJ18A
SMAJ18CA
IT
UT
18
20
22.1
1
29.2
13.7
5
SMAJ20A
SMAJ20CA
IV
UV
20
22.2
24.5
1
32.4
12.3
5
SMAJ22A
SMAJ22CA
IX
UX
22
24.4
26.9
1
35.5
11.3
5
SMAJ24A
SMAJ24CA
IZ
UZ
24
26.7
29.5
1
38.9
10.3
5
SMAJ26A
SMAJ26CA
JE
VE
26
28.9
31.9
1
42.1
9.5
5
SMAJ28A
SMAJ28CA
JG
VG
28
31.1
34.4
1
45.4
8.8
5
SMAJ30A
SMAJ30CA
JK
VK
30
33.3
36.8
1
48.4
8.3
5
SMAJ33A
SMAJ33CA
JM
VM
33
36.7
40.6
1
53.3
7.5
5
SMAJ36A
SMAJ36CA
JP
VP
36
40
44.2
1
58.1
6.9
5
SMAJ40A
SMAJ40CA
JR
VR
40
44.4
49.1
1
64.5
6.2
5
SMAJ43A
SMAJ43CA
JT
VT
43
47.8
52.8
1
69.4
5.8
5
SMAJ45A
SMAJ45CA
JV
VV
45
50
55.3
1
72.7
5.5
5
SMAJ48A
SMAJ48CA
JX
VX
48
53.3
58.9
1
77.4
5.2
5
SMAJ51A
SMAJ51CA
JZ
VZ
51
56.7
62.7
1
82.4
4.9
5
SMAJ54A
SMAJ54CA
RE
WE
54
60
66.3
1
87.1
4.6
5
SMAJ58A
SMAJ58CA
RG
WG
58
64.4
71.2
1
93.6
4.3
5
SMAJ60A
SMAJ60CA
RK
WK
60
66.7
73.7
1
96.8
4.1
5
SMAJ64A
SMAJ64CA
RM
WM
64
71.1
78.6
1
103
3.9
5
SMAJ70A
SMAJ70CA
RP
WP
70
77.8
86
1
113
3.5
5
SMAJ75A
SMAJ75CA
RR
WR
75
83.3
92.1
1
121
3.3
5
SMAJ78A
SMAJ78CA
RT
WT
78
86.7
95.8
1
126
3.2
5
SMAJ85A
SMAJ85CA
RV
WV
85
94.4
104
1
137
2.9
5
SMAJ90A
SMAJ90CA
RX
WX
90
100
111
1
146
2.7
5
SMAJ100A
SMAJ100CA
RZ
WZ
100
111
123
1
162
2.5
5
SMAJ110A
SMAJ110CA
SE
XE
110
122
135
1
177
2.3
5
SMAJ120A
SMAJ120CA
SG
XG
120
133
147
1
193
2.1
5
SMAJ130A
SMAJ130CA
SK
XK
130
144
159
1
209
1.9
5
SMAJ150A
SMAJ150CA
SM
XM
150
167
185
1
243
1.6
5
SMAJ160A
SMAJ160CA
SP
XP
160
178
197
1
259
1.5
5
SMAJ170A
SMAJ170CA
SR
XR
170
189
209
1
275
1.5
5
SMAJ180A
SMAJ180CA
ST
XT
180
201
222
1
292
1.4
5
SMAJ220A
SMAJ220CA
SX
XX
220
246
272
1
356
1.1
5
SMAJ300A
SMAJ300CA
TE
UE
300
335
371
1
486
0.8
5
Technical Data Automotive qualified
Data Sheet N0223, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SMAJ SERIES
For bidirectional type having VRWM of 10 volts and less, the IR limit is double.
For parts without A (VBR is + 10% and VC is 5% higher than with A parts).
Ratings and Characteristics Curves
Technical Data Automotive qualified
Data Sheet N0223, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SMAJ SERIES
For information on tape and reel specifications, including part
orientation and tape sizes, please refer to our tape and reel
packaging specification.
Mechanical Dimensions SMA
SYMBOL
Millimeters
Inches
Min.
Max.
Min.
Max.
A
2.40
2.84
0.094
0.112
B
3.99
4.75
0.157
0.187
C
1.05
1.70
0.041
0.067
D
0.15
0.51
0.006
0.020
E
4.80
5.28
0.189
0.208
F
2.00
2.44
0.078
0.098
G
0.05
0.203
0.002
0.008
H
0.76
1.52
0.030
0.600
Ordering Information
Marking Diagram
Device
Package
Shipping
SMAJ5.0A
THRU
SMAJ300CA
SMA (Pb-Free)
5000pcs / reel
SMAJ5.0ATR
THRU
SMAJ300CATR
SMA (Pb-Free)
5000pcs / reel
Where XXXXX is YYWWL
HE/TE = Marking code
YY = Year
WW = Week
L = Lot Number
CautionsMolding resin
Epoxy resin UL:94V-0
Technical Data Automotive qualified
Data Sheet N0223, Rev. C
China - Germany - Korea - Singapore - United States
http://www.smc-diodes.com - sales@ smc-diodes.com
SMAJ SERIES
Carrier Tape Specification SMA
SYMBOL
Millimeters
Min.
Max.
A
2.97
3.17
B
5.70
5.90
C
2.32
2.52
d
1.40
1.60
E
1.40
1.60
F
5.60
5.70
P
3.90
4.10
P0
3.90
4.10
P1
1.90
2.10
T
0.25
0.35
W
11.80
12.20
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the SMC Diode Solutions sales department for the latest version of
the datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement .
3- In no event shall SMC Diode Solutions be liable for any damages that may result from an accident or any other cause during
operation of the user’s units according to the datasheet(s). SMC Diode Solution assumes no responsibility for any intellectual property
claims or any other problems that may result from applications of information, products or circuits described in the datasheets.
4- In no event shall SMC Diode Solutions be liable for any failure in a semiconductor device or any secondary damage resulting from use
at a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or SMC Diode Solutions.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of SMC
Diode Solutions.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will
hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third
party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and
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