SML4738 to SML4764A
www.vishay.com
Vishay Semiconductors
Surface Mount Zener Diodes
FEATURES
• Plastic package has underwriters laboratory
flammability classification 94 V-0
• For surface mounted applications
• Low Zener impedance
• Low regulation factor
• High temperature soldering guaranteed:
260 °C/10 s at terminals
SMA (DO-214AC)
• Standard voltage tolerance is ± 10 %, suffix A ± 5 %
• AEC-Q101 qualified available
LINKS TO ADDITIONAL RESOURCES
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
3D 3D
3D Models
MECHANICAL DATA
Base P/N-E3 - RoHS-compliant, commercial grade
PRIMARY CHARACTERISTICS
PARAMETER
VALUE
UNIT
VZ range nom.
8.2 to 100
V
Test current IZT
2.5 to 31
mA
VZ specification
Pulse current
Circuit configuration
Base P/NHE3_X - RoHS-compliant and AEC-Q101 qualified
(“_X” denotes revision code e.g. A, B, ...)
Single
ORDERING INFORMATION
DEVICE NAME
ORDERING CODE
TAPED UNITS PER REEL
MINIMUM ORDER QUANTITY
7500 (12 mm tape on 13" plastic reel)
7500
1800 (12 mm tape on 7" plastic reel)
1800
SML4738-E3/5A
SML4738 to SML4764A
SML4738HE3_A/I
SML4738-E3/61
SML4738 to SML4764A
SML4738HE3_A/H
PACKAGE
PACKAGE NAME
WEIGHT
SMA (DO-214AC)
64 mg
MOLDING COMPOUND MOISTURE SENSITIVITY
FLAMMABILITY RATING
LEVEL
UL 94 V-0
MSL level 1
(according J-STD-020)
SOLDERING CONDITIONS
Peak temperature max. 260 °C
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER
Power dissipation
Junction temperature
Storage temperature range
TEST CONDITION
SYMBOL
VALUE
UNIT
TL = 75 °C
Ptot
1000
mW
Tj
150
°C
Tstg
-65 to +150
°C
Rev. 2.2, 07-Jul-2021
Document Number: 85782
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
SML4738 to SML4764A
www.vishay.com
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
PART
NUMBER
MARKING
CODE
VZ at IZT1
TEST CURRENT
IZT1
V
IZT2
mA
REVERSE
CURRENT
IR at VR
μA
NOM.
0.5
10
ZZ at IZT1
6
SURGE
CURRENT (1)
ZZK at IZT2
IRM
MAX.
MAX.
MAX.
4.5
700
550
Ω
V
MAX.
31
DYNAMIC RESISTANCE
mApk
SML4738
8P2
8.2
SML4739
9P1
9.1
28
0.5
10
7
5
700
500
SML4740
10
10
25
0.25
10
7.6
7
700
454
SML4741
11
11
23
0.25
5
8.4
8
700
414
SML4742
12
12
21
0.25
5
9.1
9
700
380
SML4743
13
13
19
0.25
5
9.9
10
700
344
SML4744
15
15
17
0.25
5
11.4
14
700
305
SML4745
16
16
15.5
0.25
5
12.2
16
700
285
SML4746
18
18
14
0.25
5
13.7
20
750
250
SML4747
20
20
12.5
0.25
5
15.2
22
750
225
SML4748
22
22
11.5
0.25
5
16.7
23
750
205
SML4749
24
24
10.5
0.25
5
18.2
25
750
190
SML4750
27
27
9.5
0.25
5
20.6
35
750
170
SML4751
30
30
8.5
0.25
5
22.8
40
1000
150
SML4752
33
33
7.5
0.25
5
25.1
45
1000
135
SML4753
36
36
7
0.25
5
27.4
50
1000
125
SML4754
39
39
6.5
0.25
5
29.7
60
1000
115
SML4755
43
43
6
0.25
5
32.7
70
1500
110
SML4756
47
47
5.5
0.25
5
35.8
80
1500
95
SML4757
51
51
5
0.25
5
38.8
95
1500
90
SML4758
56
56
4.5
0.25
5
42.6
110
2000
80
SML4759
62
62
4
0.25
5
47.1
125
2000
70
SML4760
68
68
3.7
0.25
5
51.7
150
2000
65
SML4761
75
75
3.3
0.25
5
56
175
2000
60
SML4762
82
82
3
0.25
5
62.2
200
3000
55
SML4763
91
91
2.8
0.25
5
69.2
250
3000
50
SML4764
100
100
2.5
0.25
5
76
350
3000
45
Note
(1) Surge current is a non-repetitive, 8.3 ms pulse width square wave or equivalent sine-wave superimposed on I
®
ZT per JEDEC method
Rev. 2.2, 07-Jul-2021
Document Number: 85782
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
SML4738 to SML4764A
www.vishay.com
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
ZENER VOLTAGE
RANGE
PART
NUMBER
MARKING
CODE
VZ at IZT1
TEST CURRENT
IZT1
V
IZT2
mA
REVERSE
CURRENT
IR at VR
μA
NOM.
8P2A
8.2
31
SML4739A
9P1A
9.1
SML4740A
10A
10
SML4741A
11A
SML4742A
12A
SML4743A
SML4744A
ZZ at IZT1
SURGE
CURRENT (1)
ZZK at IZT2
IRM
MAX.
MAX.
MAX.
6
4.5
700
550
Ω
V
MAX.
SML4738A
DYNAMIC RESISTANCE
mApk
0.5
10
28
0.5
10
7
5
700
500
25
0.25
10
7.6
7
700
454
11
23
0.25
5
8.4
8
700
414
12
21
0.25
5
9.1
9
700
380
13A
13
19
0.25
5
9.9
10
700
344
15A
15
17
0.25
5
11.4
14
700
305
SML4745A
16A
16
15.5
0.25
5
12.2
16
700
285
SML4746A
18A
18
14
0.25
5
13.7
20
750
250
SML4747A
20A
20
12.5
0.25
5
15.2
22
750
225
SML4748A
22A
22
11.5
0.25
5
16.7
23
750
205
SML4749A
24A
24
10.5
0.25
5
18.2
25
750
190
SML4750A
27A
27
9.5
0.25
5
20.6
35
750
170
SML4751A
30A
30
8.5
0.25
5
22.8
40
1000
150
SML4752A
33A
33
7.5
0.25
5
25.1
45
1000
135
SML4753A
36A
36
7
0.25
5
27.4
50
1000
125
SML4754A
39A
39
6.5
0.25
5
29.7
60
1000
115
SML4755A
43A
43
6
0.25
5
32.7
70
1500
110
SML4756A
47A
47
5.5
0.25
5
35.8
80
1500
95
SML4757A
51A
51
5
0.25
5
38.8
95
1500
90
SML4758A
56A
56
4.5
0.25
5
42.6
110
2000
80
SML4759A
62A
62
4
0.25
5
47.1
125
2000
70
SML4760A
68A
68
3.7
0.25
5
51.7
150
2000
65
SML4761A
75A
75
3.3
0.25
5
56
175
2000
60
SML4762A
82A
82
3
0.25
5
62.2
200
3000
55
SML4763A
91A
91
2.8
0.25
5
69.2
250
3000
50
SML4764A
100A
100
2.5
0.25
5
76
350
3000
45
Note
(1) Surge current is a non-repetitive, 8.3 ms pulse width square wave or equivalent sine-wave superimposed on I
®
ZT per JEDEC method
Rev. 2.2, 07-Jul-2021
Document Number: 85782
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
SML4738 to SML4764A
www.vishay.com
Vishay Semiconductors
Instantaneous Forward Current (A)
1.0
60 Hz
resistive or
inductive load
0.75
0.5
0.25
PCB mounted on
0.31 x 0.31 x 0.08" (8 x 8 x 2 mm)
copper areas pads
0
25
17923
100
75
125
50
150
Terminals Temperature ( °C)
Z Z, Dynamic Zener Impedance (Ω)
1000
TJ = 25 °C
VZ = 91 V
VZ = 56 V
VZ = 30 V
10
1
0.5
17925
10
100
IZT , Zener Test Current (mA)
Θ VZ , Temperature Coefficient (mV/ °C)
0.1
Pulse width = 300 µs
1 % duty cycle
TJ = 25 °C
0.01
0.4
1.4
1.2
1.0
0.6
0.8
Instantaneous Forward Voltage (V)
1.6
Fig. 4 - Typical Instantaneous Forward Characteristics
for SML4763
500
Fig. 2 - Typical Zener Impedance
17927
1
17924
Fig. 1 - Maximum Continuous Power Dissipation
100
10
175
Instantaneous Reverse Current ( µA)
PM(AV) , Average Power Dissipation (W)
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
10
1
TJ = 100 °C
0.1
TJ = 25 °C
0.01
0
17926
20
80
40
60
Percent of Rated Zener Voltage (%)
100
Fig. 5 - Typical Reverse Characteristics
110
90
70
Tested at rated IZT
50
30
10
0
0
10 20 30 40 50 60 70 80 90 100
VZ , Zener Voltage (V)
Fig. 3 - Typical Temperature Coefficients
Rev. 2.2, 07-Jul-2021
Document Number: 85782
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
SML4738 to SML4764A
www.vishay.com
Vishay Semiconductors
PACKAGE DIMENSIONS in inches (millimeters): SMA (DO-214AC)
SMA (DO-214AC)
Cathode Band
Mounting Pad Layout
0.110 (2.79)
0.100 (2.54)
0.065 (1.65)
0.049 (1.25)
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)
0.074 (1.88)
MAX.
0.066 (1.68)
MIN.
0.008 (0.203)
0 (0)
0.208 (5.28)
0.194 (4.93)
Rev. 2.2, 07-Jul-2021
Document Number: 85782
5
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
www.vishay.com
Vishay
Disclaimer
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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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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,
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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.
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© 2021 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 09-Jul-2021
1
Document Number: 91000