HUAXUANYANG
SMAJ5.0(C)A-SMAJ440(C)A
HXY
ELECTRONICS CO.,LTD
TRANSIENT VOLTAGE SUPPRESSOR
Features
For surface mounted applications in order to optimize board space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
Excellent clamping capability
400W peak pulse power capability at 10/1000μs waveform,
Repetition rate (duty cycle): 0.01%
SMA
Fast response time
Typical IR less than 1μA above 10V
High Temperature soldering: 260C/10 seconds at terminals
Plastic package has underwriters laboratory flammability 94V-0
Mechanical Data
Part Number Code
Case : JEDEC DO-2 1 4 AC/ SMA molded plastic body
Terminals : Solderable per MIL-STD-7 50 , Method 202 6
Polarity : Polarity symbol
Mounting Position : Any
SMAJ XXX C A
5% VBR Voltage Tolerance
marking on body
Bidirectional
Weight : 0.07 grams
Marking : Date Code and Marking Code See Page 3
Voltage
Series Code
Applications
I/O interface
AC/DC power supply
Low frequency signal transmission line (RS232, RS485, etc.)
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 2 5 C ambient temperature unless otherwise specified.
Peak pulse power dissipation at 1 0 / 1 0 0 0 hs waveform
( Note1 , Note2 , Fig . 1 )
PPP M
Peak pulse current of at 1 0 / 1 0 0 0 hs waveform ( Note 1 , Fig . 3 )
I PP M
Steady state power dissipation at TA = 5 0 C ( Fig . 5 )
Peak forward surge current,
superimposed on rated load,
Operating
junction
and
Storage
Temperature
Typical
thermal
resistance
junction
Typical
thermal
resistance
junction
to
to
Range
lead
ambient
.
See
W
Table
A
3. 3
W
IFS M
40
A
TJ , TSTG
- 6 5 to + 1 5 0
C
PM(
8 . 3 ms single half sine- wave
( JEDEC Method) ( Note3 , Fig . 6 )
Minimum 4 0 0
AV)
Rθ
JL
30
C/
W
Rθ
JA
1 20
C/
W
Notes: 1 . Non- repetitive current pulse, per Fig . 3 and derated above TA = 2 5 C per Fig . 2 .
2 . Mounted on 5 . 0 mm× 5 . 0 mm ( 0 . 0 3 mm thick) copper pads to each terminal .
3 . 8 . 3 ms single half sine- wave, or equivalent square wave, duty cycle= 4 pulses per minutes maximum .
Shenzhen HuaXuanYang Electronics CO.,LTD
www.hxymos.com
HUAXUANYANG
SMAJ5.0(C)A-SMAJ440(C)A
HXY
ELECTRONICS CO.,LTD
TRANSIENT VOLTAGE SUPPRESSOR
Electrical Characteristics (TA=25°C)
Part Number
Device
Marking
Code
Reverse
Stand- Off
Voltage
Breakdown
Voltage
@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@VRWM
Unidirectional
Bidirectional
UNI
BI
VRWM(V)
VBR(V)
IT(mA)
VC(V)
IPP(A)
IR(μA)
SMAJ5.0A
SMAJ5.0CA
AE
WE
5.0
6.40~7.00
10
9.2
43.5
800
SMAJ6.0A
SMAJ6.0CA
AG
WG
6.0
6.67~7.37
10
10.3
38.8
800
SMAJ6.5A
SMAJ6.5CA
AK
WK
6.5
7.22~7.98
10
11.2
35.7
500
SMAJ7.0A
SMAJ7.0CA
AM
WM
7.0
7.78~8.60
10
12.0
33.3
200
SMAJ7.5A
SMAJ7.5CA
AP
WP
7.5
8.33~9.21
1
12.9
31.0
100
SMAJ8.0A
SMAJ8.0CA
AR
WR
8.0
8.89~9.83
1
13.6
29.4
50
SMAJ8.5A
SMAJ8.5CA
AT
WT
8.5
9.44~10.40
1
14.4
27.8
20
SMAJ9.0A
SMAJ9.0CA
AV
WV
9.0
10.00~11.10
1
15.4
26.0
10
SMAJ10A
SMAJ10CA
AX
WX
10.0
11.10~12.30
1
17.0
23.5
5
SMAJ11A
SMAJ11CA
AZ
WZ
11.0
12.20~13.50
1
18.2
22.0
1
SMAJ12A
SMAJ12CA
BE
XE
12.0
13.30~14.70
1
19.9
20.1
1
SMAJ13A
SMAJ13CA
BG
XG
13.0
14.40~15.90
1
21.5
18.6
1
SMAJ14A
SMAJ14CA
BK
XK
14.0
15.60~17.20
1
23.2
17.2
1
SMAJ15A
SMAJ15CA
BM
XM
15.0
16.70~18.50
1
24.4
16.4
1
SMAJ16A
SMAJ16CA
BP
XP
16.0
17.80~19.70
1
26.0
15.4
1
SMAJ17A
SMAJ17CA
BR
XR
17.0
18.90~20.90
1
27.6
14.5
1
SMAJ18A
SMAJ18CA
BT
XT
18.0
20.00~22.10
1
29.2
13.7
1
SMAJ20A
SMAJ20CA
BV
X
20.0
22.20~24.50
1
32.4
12.3
1
SMAJ22A
SMAJ22CA
BX
XX
22.0
24.40~26.90
1
35.5
11.3
1
SMAJ24A
SMAJ24CA
BZ
XZ
24.0
26.70~29.50
1
38.9
10.3
1
SMAJ26A
SMAJ26CA
CE
YE
26.0
28.90~31.90
1
42.1
9.5
1
SMAJ28A
SMAJ28CA
CG
YG
28.0
31.10~34.40
1
45.4
8.8
1
SMAJ30A
SMAJ30CA
CK
YK
30.0
33.30~36.80
1
48.4
8.3
1
SMAJ33A
SMAJ33CA
CM
YM
33.0
36.70~40.60
1
53.3
7.5
1
SMAJ36A
SMAJ36CA
CP
YP
36.0
40.00~44.20
1
58.1
6.9
1
SMAJ40A
SMAJ40CA
CR
YR
40.0
44.40~49.10
1
64.5
6.2
1
SMAJ43A
SMAJ43CA
CT
YT
43.0
47.80~52.80
1
69.4
5.8
1
SMAJ45A
SMAJ45CA
CV
YV
45.0
50.00~55.30
1
72.7
5.5
1
SMAJ48A
SMAJ48CA
CX
YX
48.0
53.30~58.90
1
77.4
5.2
1
SMAJ51A
SMAJ51CA
CZ
YZ
51.0
56.70~62.70
1
82.4
4.9
1
Shenzhen HuaXuanYang Electronics CO.,LTD
www.hxymos.com
HUAXUANYANG
SMAJ5.0(C)A-SMAJ440(C)A
HXY
ELECTRONICS CO.,LTD
Part Number
TRANSIENT VOLTAGE SUPPRESSOR
Device
Marking
Code
Reverse
Stand- Off
Voltage
Breakdown
Voltage
@IT
Test
Current
Maximum
Clamping
Voltage
@IPP
Peak
Pulse
Current
Reverse
Leakage
@VRWM
Unidirectional
Bidirectional
UNI
BI
VRWM(V)
VBR(V)
IT(mA)
VC(V)
IPP(A)
IR(μA)
SMAJ54A
SMAJ54CA
RE
ZE
54.0
60.00~66.30
1
87.1
4.6
1
SMAJ58A
SMAJ58CA
RG
ZG
58.0
64.40~71.20
1
93.6
4.3
1
SMAJ60A
SMAJ60CA
RK
ZK
60.0
66.70~73.70
1
96.8
4.1
1
SMAJ64A
SMAJ64CA
RM
ZM
64.0
71.10~78.60
1
103.0
3.9
1
SMAJ70A
SMAJ70CA
RP
ZP
70.0
77.80~86.00
1
113.0
3.5
1
SMAJ75A
SMAJ75CA
RR
ZR
75.0
83.30~92.10
1
121.0
3.3
1
SMAJ78A
SMAJ78CA
RT
ZT
78.0
86.70~95.80
1
126.0
3.2
1
SMAJ85A
SMAJ85CA
RV
ZV
85.0
94.40~104.00
1
137.0
2.9
1
SMAJ90A
SMAJ90CA
RX
ZX
90.0
100.00~111.00
1
146.0
2.7
1
SMAJ100A
SMAJ100CA
RZ
ZZ
100.0
111.00~123.00
1
162.0
2.5
1
SMAJ110A
SMAJ110CA
SE
VE
110.0
122.00~135.00
1
177.0
2.3
1
SMAJ120A
SMAJ120CA
SG
VG
120.0
133.00~147.00
1
193.0
2.1
1
SMAJ130A
SMAJ130CA
SK
VK
130.0
144.00~159.00
1
209.0
1.9
1
SMAJ150A
SMAJ150CA
SM
VM
150.0
167.00~185.00
1
243.0
1.6
1
SMAJ160A
SMAJ160CA
SP
VP
160.0
178.00~197.00
1
259.0
1.5
1
SMAJ170A
SMAJ170CA
SR
VR
170.0
189.00~209.00
1
275.0
1.5
1
SMAJ180A
SMAJ180CA
ST
VT
180.0
201.00~222.00
1
292.0
1.4
1
SMAJ190A
SMAJ190CA
SU
YU
190.0
211.00~233.00
1
308.0
1.3
1
SMAJ200A
SMAJ200CA
SV
VV
200.0
224.00~247.00
1
324.0
1.2
1
SMAJ210A
SMAJ210CA
SW
YW
210.0
237.00~263.00
1
340.0
1.2
1
SMAJ220A
SMAJ220CA
GE
VX
220.0
246.00~272.00
1
356.0
1.1
1
SMAJ250A
SMAJ250CA
SZ
VZ
250.0
279.00~309.00
1
405.0
1.0
1
SMAJ300A
SMAJ300CA
TE
UE
300.0
335.00~371.00
1
486.0
0.8
1
SMAJ350A
SMAJ350CA
TG
UG
350.0
391.00~432.00
1
567.0
0.7
1
SMAJ400A
SMAJ400CA
TK
UK
400.0
447.00~494.00
1
648.0
0.6
1
SMAJ440A
SMAJ440CA
TM
UM
440.0
492.00~543.00
1
713.0
0.6
1
Shenzhen HuaXuanYang Electronics CO.,LTD
www.hxymos.com
HUAXUANYANG
SMAJ5.0(C)A-SMAJ440(C)A
HXY
ELECTRONICS CO.,LTD
TRANSIENT VOLTAGE SUPPRESSOR
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1. Peak Pulse Power Rating Curve
Figure 2. Pulse Derating Curve
100
10
80
60
1
40
20
0.2×0 .2 ″ (5 .0×5 .0m m)
Copp er Pa d Ar ea
0.1
1
10
100
0
1000
0
td- Pulse Width ( µ s)
75
100
125
150
175
Figure 4. Typical Junction Capacitance
t r=10 µs
10000
TJ = 2 5 C
Pulse W idth(t d ) is defined as
the point where t he peak
current decays to 50% of I
Peak Valu e I
100
50
TA- Ambient Temperature ( C)
Figure 3. Pulse Waveform
150
25
Bi - directional V= 0 V
P PM
1000
U ni- directio na l V= 0V
PPM
Uni- di r ectio nal @ V
R
100
Half Value
PPM
( IP
PM
/2)
50
10
10 / 10 0 0 µ s Wa v e f o rm
as defined by R. E. A
td
0
0
1
1.0
2.0
t-Time (ms)
3.0
4.0
Figure 5 . Steady State Power Dissipation Derating
R
T J= 2 5 C
f= 1 .0 M H z
Vsig= 50 mVp -p
1
100
10
1000
VBR -Reverse Breakdown Voltage (V)
Figure 6 . Maximum Non- Repetitive Forward
Curve
Surge Current Uni- Directional Only
45
3.6
40
3.0
35
30
2.4
25
1.8
20
15
1.2
10
0.6
0
Bi- dir ec tional @ V
5
0
0
25
50
75
100
125
150
TA- Ambient Temperature ( C)
Shenzhen HuaXuanYang Electronics CO.,LTD
175
1
10
100
Number of Cycles at 60Hz
www.hxymos.com
HUAXUANYANG
HXY
ELECTRONICS CO.,LTD
SMAJ5.0(C)A-SMAJ440(C)A
TRANSIENT VOLTAGE SUPPRESSOR
SMA Package Outline Dimensions
0.106(2.70)
0.096(2.45)
Shenzhen HuaXuanYang Electronics CO.,LTD
www.hxymos.com
HUAXUANYANG
SMAJ5.0(C)A-SMAJ440(C)A
HXY
ELECTRONICS CO.,LTD
TRANSIENT VOLTAGE SUPPRESSOR
Attention
■ Any and all HUA XUAN YANG ELECTRONICS products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications
whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your HUA XUAN YANG
ELECTRONICS representative nearest you before using any HUA XUAN YANG ELECTRONICS products described or contained herein
in such applications.
■ HUA XUAN YANG ELECTRONICS assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products
specifications of any and all HUA XUAN YANG ELECTRONICS products described or contained herein.
■ Specifications of any and all HUA XUAN YANG ELECTRONICS products described or contained herein stipulate the performance,
characteristics, and functions of the described products in the independent state, and are not guarantees of the performance,
characteristics, and functions of the described products as mounted in the customer’s products or equipment. To verify symptoms and
states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the
customer’s products or equipment.
■ HUA XUAN YANG ELECTRONICS CO.,LTD. strives to supply high-quality high-reliability products. However, any and all semiconductor
products fail with some probability. It is possible that these probabilistic failures could
give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other
property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures
include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design.
■ In the event that any or all HUA XUAN YANG ELECTRONICS products(including technical data, services) described or contained herein
are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the
export license from the authorities concerned in accordance with the above law.
■ No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including
photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of HUA
XUAN YANG ELECTRONICS CO.,LTD.
■ Information (including circuit diagrams and circuit parameters) herein is for example only ; it is not guaranteed for volume production.
HUA XUAN YANG ELECTRONICS believes information herein is accurate and reliable, but no guarantees are made or implied regarding
its use or any infringements of intellectual property rights or other rights of third parties.
■ Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc.
When designing equipment, refer to the "Delivery Specification" for the HUA XUAN YANG ELECTRONICS product that you intend to use.
Shenzhen HuaXuanYang Electronics CO.,LTD
www.hxymos.com