SMAJ5.0A thru SMAJ188CA
www.vishay.com
Vishay General Semiconductor
Surface Mount TransZorb
®
Transient Voltage Suppressors
FEATURES
• Low profile package
• Ideal for automated placement
• Glass passivated chip junction
• Available in uni-directional and bi-directional
• 400 W peak pulse power capability with a 10/1000 μs
waveform, repetitive rate (duty cycle): 0.01 % (300 W
above 78 V)
• Excellent clamping capability
• Very fast response time
• Low incremental surge resistance
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
•
Halogen-free according to IEC 61249-2-21 definition
DO-214AC (SMA)
PRIMARY CHARACTERISTICS
V
WM
P
PPM
I
FSM
T
J
max.
5.0 V to 188 V
400 W, 300 W
40 A
150 °C
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, and telecommunication.
MECHANICAL DATA
Case:
DO-214AC (SMA)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-M3 - halogen-free, RoHS compliant, and
commercial grade
Terminals:
Matte tin plated leads, solderable
J-STD-002 and JESD 22-B102
M3 suffix meets JESD 201 class 1A whisker test
per
DEVICES FOR BI-DIRECTION APPLICATIONS
For bi-directional use CA suffix (e.g. SMAJ10CA).
Electrical characteristics apply in both directions.
Polarity:
For uni-directional types the band denotes
cathode end, no marking on bi-directional types
MAXIMUM RATINGS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Peak pulse power dissipation with a 10/1000 μs waveform (fig. 1)
Peak pulse current with a waveform
Peak forward surge current 8.3 ms single half sine-wave uni-directional only
Operating junction and storage temperature range
SYMBOL
P
PPM (1)(2)
I
PPM (1)
I
FSM (2)
T
J
, T
STG
VALUE
400
See next table
40
- 55 to + 150
UNIT
W
A
A
°C
Notes
(1)
Non-repetitive current pulse, per fig. 3 and derated above T = 25 °C per fig. 2, rating is 300 W above 78 V
A
(2)
Mounted on 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pads to each terminal
Revision: 26-Jan-12
Document Number: 89277
1
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SMAJ5.0A thru SMAJ188CA
www.vishay.com
Vishay General Semiconductor
BREAKDOWN
VOLTAGE
V
BR
AT I
T (1)
(V)
MIN.
6.40
6.67
7.22
7.78
8.33
8.89
9.44
10.0
11.1
12.2
13.3
14.4
15.6
16.7
17.8
18.9
20.0
22.2
24.4
26.7
28.9
31.1
33.3
36.7
40.0
44.4
47.8
50.0
53.3
56.7
60.0
64.4
66.7
71.1
77.8
83.3
86.7
94.4
100
111
122
133
144
167
178
189
209
MAX.
7.07
7.37
7.98
8.60
9.21
9.83
10.4
11.1
12.3
13.5
14.7
15.9
17.2
18.5
19.7
20.9
22.1
24.5
26.9
29.5
31.9
34.4
36.8
40.6
44.2
49.1
52.8
55.3
58.9
62.7
66.3
71.2
73.7
78.6
86.0
92.1
95.8
104
111
123
135
147
159
185
197
209
231
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
DEVICE TYPE
DEVICE MARKING
CODE
UNI
SMAJ5.0A
(5)
SMAJ6.0A
SMAJ6.5A
SMAJ7.0A
SMAJ7.5A
SMAJ8.0A
SMAJ8.5A
SMAJ9.0A
SMAJ10A
SMAJ11A
SMAJ12A
SMAJ13A
SMAJ14A
SMAJ15A
SMAJ16A
SMAJ17A
SMAJ18A
SMAJ20A
SMAJ22A
SMAJ24A
SMAJ26A
SMAJ28A
SMAJ30A
SMAJ33A
SMAJ36A
SMAJ40A
SMAJ43A
SMAJ45A
SMAJ48A
SMAJ51A
SMAJ54A
SMAJ58A
SMAJ60A
SMAJ64A
SMAJ70A
SMAJ75A
SMAJ78A
SMAJ85A
SMAJ90A
SMAJ100A
SMAJ110A
SMAJ120A
SMAJ130A
SMAJ150A
SMAJ160A
SMAJ170A
SMAJ188A
AE
AG
AK
AM
AP
AR
AT
AV
AX
AZ
BE
BG
BK
BM
BP
BR
BT
BV
BX
BZ
CE
CG
CK
CM
CP
CR
CT
CV
CX
CZ
RE
RG
RK
RM
RP
RR
RT
RV
RX
RZ
SE
VG
VK
VM
SP
SR
SS
BI
WE
WG
WK
WM
WP
WR
WT
WV
WX
WZ
XE
XG
XK
XM
XP
XR
XT
XV
XX
XZ
YE
YG
YK
YM
YP
YR
YT
YV
YX
YZ
ZE
ZG
ZK
ZM
ZP
ZR
ZT
ZV
ZX
ZZ
VE
VG
VK
VM
VP
VR
VS
TEST
CURRENT
I
T
(mA)
10
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
STAND-OFF
VOLTAGE
V
WM
(V)
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.0
10
11
12
13
14
15
16
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
60
64
70
75
78
85
90
100
110
120
130
150
160
170
188
MAXIMUM
REVERSE
LEAKAGE
AT V
WM
I
D
(μA)
(3)
800
800
500
200
100
50
10
5.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
MAXIMUM
MAXIMUM
PEAK PULSE CLAMPING
SURGE
VOLTAGE AT
CURRENT
I
PPM
I
PPM
(A)
(2)
V
C
(V)
43.5
38.8
35.7
33.3
31.0
29.4
27.8
26.0
23.5
22.0
20.1
18.6
17.2
16.4
15.4
14.5
13.7
12.3
11.3
10.3
9.5
8.8
8.3
7.5
6.9
6.2
5.8
5.5
5.2
4.9
4.6
4.3
4.1
3.9
3.5
3.3
3.2
2.2
2.1
1.9
1.7
1.6
1.4
1.2
1.2
1.09
0.91
9.2
10.3
11.2
12.0
12.9
13.6
14.4
15.4
17.0
18.2
19.9
21.5
23.2
24.4
26.0
27.6
29.2
32.4
35.5
38.9
42.1
45.4
48.4
53.3
58.1
64.5
69.4
72.7
77.4
82.4
87.1
93.6
96.8
103
113
121
126
137
146
162
177
193
209
243
259
275
328
Notes
(1)
Pulse test: t
50 ms
p
(2)
Surge current waveform per fig. 3 and derate per fig. 2
(3)
For bi-directional types having V
WM
of 10 V and less, the I
D
limit is doubled
(4)
All terms and symbols are consistent with ANSI/IEEE C62.35
(5)
For the bi-directional SMAJ5.0CA, the maximum V
BR
is 7.25 V
(6)
V = 3.5 V at I = 25 A (uni-directional only)
F
F
Revision: 26-Jan-12
Document Number: 89277
2
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SMAJ5.0A thru SMAJ188CA
www.vishay.com
Vishay General Semiconductor
THERMAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance, junction to ambient
Typical thermal resistance, junction to lead
Note
(1)
Mounted on minimum recommended pad layout
SYMBOL
R
JA
(1)
R
JL
VALUE
120
30
UNIT
°C/W
°C/W
ORDERING INFORMATION
(Example)
PREFERRED P/N
SMAJ5.0A-M3/61
SMAJ5.0A-M3/5A
UNIT WEIGHT (g)
0.064
0.064
PREFERRED PACKAGE CODE
61
5A
BASE QUANTITY
1800
7500
DELIVERY MODE
7" diameter plastic tape and reel
13" diameter plastic tape and reel
RATINGS AND CHARACTERISTICS CURVES
(T
A
= 25 °C unless otherwise noted)
100
150
Non-Repetitive Pulse
Waveform
Shown
in Fig. 3
T
A
= 25 °C
10
t
r
= 10 μs
Peak Value
I
PPM
100
Half Value - I
PP
I
PPM
2
T
J
= 25 °C
Pulse Width (t
d
)
is Defined as the Point
Where the Peak Current
Decays to 50 % of I
PPM
SMAJ85
thru
SMAJ188
1
SMAJ5.0
thru
SMAJ78
I
PPM
- Peak Pulse Current, % I
RSM
P
PPM
- Peak Pulse Power (kW)
50
10/1000 μs Waveform
as Defined by R.E.A.
t
d
0.2" x 0.2" (5.0 mm x 5.0 mm)
Copper Pad Areas
0.1
0.1
1
10
100
1000
10 000
0
0
1.0
2.0
3.0
4.0
t
d
- Pulse Width (μs)
t - Time (ms)
Fig. 1 - Peak Pulse Power Rating Curve
Fig. 3 - Pulse Waveform
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage, %
100
10 000
75
C
J
- Junction Capacitance (pF)
Measured at
Stand-off
Voltage V
WM
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mV
p-p
1000
50
Uni-Directional
100
Bi-Directional
25
0
0
25
50
75
100
125
150
175
200
10
1
10
100
200
T
J
- Initial Temperature (°C)
V
WM
- Reverse
Stand-Off
Voltage (V)
Fig. 2 - Pulse Power or Current vs. Initial Junction Temperature
Fig. 4 - Typical Junction Capacitance
Revision: 26-Jan-12
Document Number: 89277
3
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SMAJ5.0A thru SMAJ188CA
www.vishay.com
Vishay General Semiconductor
200
1000
Transient Thermal Impedance (°C/W)
Peak Forward
Surge
Current (A)
T
J
= T
J
Max.
8.3 ms
Single
Half
Sine-Wave
100
100
50
10
1
0.001
10
0.01
0.1
1.0
10
100
1000
1
10
100
t
p
- Pulse Duration (s)
Number of Cycles at 60 Hz
Fig. 5 - Typical Transient Thermal Impedance
Fig. 6 - Maximum Non-Repetitive Forward Surge Current
Uni-Directional Only
PACKAGE OUTLINE DIMENSIONS
in inches (millimeters)
DO-214AC (SMA)
Cathode Band
Mounting Pad Layout
0.066 (1.68)
MIN.
0.074 (1.88)
MAX.
0.065 (1.65)
0.049 (1.25)
0.110 (2.79)
0.100 (2.54)
0.177 (4.50)
0.157 (3.99)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
MIN.
0.208 (5.28)
REF.
0.090 (2.29)
0.078 (1.98)
0.060 (1.52)
0.030 (0.76)
0.008 (0.203)
0 (0)
0.208 (5.28)
0.194 (4.93)
Revision: 26-Jan-12
Document Number: 89277
4
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
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Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
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