SMBZ5919B thru SMBZ5945B
www.vishay.com
Vishay General Semiconductor
Surface-Mount Power Voltage-Regulating Diodes
FEATURES
• Low profile package
• Ideal for automated placement
• Low Zener impedance
• Low regulation factor
• Meets MSL level 1, per J-STD-020, if maximum peak of
260 °C
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
SMB (DO-214AA)
LINKS TO ADDITIONAL RESOURCES
3D 3D
TYPICAL APPLICATIONS
For general purpose regulation and protection applications
MECHANICAL DATA
3D Models
Case: SMB (DO-214AA)
PRIMARY CHARACTERISTICS
VZ
5.6 V to 68 V
Ptot at TL = 75 °C
3000 mW
Ptot at TA = 25 °C
550 mW
TJ max.
150 °C
VZ specification
Pulse current
Circuit configuration
Single
Molding compound meets UL 94 V-0 flammability rating
Base P/N-E3 - RoHS-compliant, and commercial grade
Base P/N-M3 - halogen-free, RoHS-compliant, and
commercial grade
Terminals: matte tin plated leads, solderable
J-STD-002 and JESD22-B102
E3 and M3 suffix meet JESD 201 class 2 whisker test
per
Polarity: color band denotes cathode end
MAXIMUM RATINGS (TA = 25 °C, unless otherwise noted)
PARAMETER
SYMBOL
VALUE
Maximum steady state power dissipation at TL = 75 °C (fig. 1)
Ptot
3000
Maximum steady state power dissipation at TA = 25 °C (fig. 1)
Ptot (1)
550
Maximum instantaneous forward voltage at 200 mA for all types
VF (2)
1.5
V
TJ, TSTG
-55 to +150
°C
Operating junction and storage temperature range
UNIT
mW
Notes
(1) Mounted on minimum recommended pad layout
(2) Pulse test: 300 μs pulse width, 1 % duty cycle
Revision: 12-Apr-2021
Document Number: 89418
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
SMBZ5919B thru SMBZ5945B
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
VZ
Reverse Zener voltage at IZT
IZT
Reverse current
ZZT
Maximum Zener impedance at IZT
IZK
Reverse current
ZZK
Maximum Zener impedance at IZK
IR
Reverse leakage current at VR
VR
Reverse voltage
IF
Forward current
VF
Forward voltage at IF
IZM
Maximum DC Zener current
IF
VZ VR
V
IR VF
IZT
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PART
NUMBER
DEVICE
MARKING
CODE
ZENER VOLTAGE
RANGE
VZ AT IZT
TEST
CURRENT
IZT
V
IZK
MAXIMUM ZENER
IMPEDANCE
ZZT AT IZT
MIN.
NOM.
MAX.
ZZK AT IZK
Ω
mA
REVERSE
LEAKAGE
CURRENT
IR AT VR
μA
MAX.
MAX.
MAX.
5
700
200
MAXIMUM
ZENER
CURRENT
IZM
V
mA
MAX.
SMBZ5919B
19B
5.32
5.6
5.88
66.9
1
3
267
SMBZ5920B
20B
5.89
6.2
6.51
60.5
1
2
700
SMBZ5921B
21B
6.46
6.8
7.14
55.1
1
2.5
400
200
4
241
200
5.2
220
SMBZ5924B
24B
8.64
9.1
9.56
41.2
0.5
4.0
1000
25
7.0
164
SMBZ5925B
25B
9.5
10
10.5
37.5
0.25
4.5
1000
25
8.0
150
SMBZ5926B
26B
10.5
11
11.6
34.1
0.25
5.5
550
5
8.4
136
SMBZ5927B
27B
11.4
12
12.6
31.2
0.25
6.5
550
1
9.1
125
SMBZ5928B
28B
12.4
13
13.7
28.8
0.25
7.0
550
1
9.9
115
SMBZ5929B
29B
14.3
15
15.8
25.0
0.25
9.0
600
1
11.4
100
SMBZ5930B
30B
15.2
16
16.8
23.4
0.25
10.0
600
1
12.2
93
SMBZ5931B
31B
17.1
18
18.9
20.8
0.25
12.0
650
1
13.7
83
SMBZ5932B
32B
19.0
20
21.0
18.7
0.25
14.0
650
1
15.2
75
SMBZ5933B
33B
20.9
22
23.1
17.0
0.25
17.5
650
1
16.7
68
SMBZ5934B
34B
22.8
24
25.2
15.6
0.25
19.0
700
1
18.2
62
SMBZ5935B
35B
25.7
27
28.4
13.9
0.25
23.0
700
1
20.6
55
SMBZ5936B
36B
28.5
30
31.5
12.5
0.25
28.0
750
1
22.8
50
SMBZ5937B
37B
31.4
33
34.7
11.4
0.25
33.0
800
1
25.1
45
SMBZ5938B
38B
34.2
36
37.8
10.4
0.25
38.0
850
1
27.4
41
SMBZ5939B
39B
37.1
39
41.0
9.6
0.25
45.0
900
1
29.7
38
SMBZ5940B
40B
40.9
43
45.2
8.7
0.25
53.0
950
1
32.7
34
SMBZ5941B
41B
44.6
47
49.4
8.0
0.25
67
1000
1
35.8
31
SMBZ5942B
42B
48.4
51
53.6
7.3
0.25
70
1100
1
38.8
29
SMBZ5943B
43B
53.2
56
58.8
6.7
0.25
86
1300
1
42.6
26
SMBZ5944B
44B
58.9
62
65.1
6.0
0.25
100
1500
1
47.1
24
SMBZ5945B
45B
64.6
68
71.4
5.5
0.25
120
1700
1
51.7
22
Revision: 12-Apr-2021
Document Number: 89418
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
SMBZ5919B thru SMBZ5945B
www.vishay.com
Vishay General Semiconductor
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
VALUE
UNIT
RθJL
25
°C/W
RθJA (1)
226
°C/W
Typical thermal resistance, junction to lead
Typical thermal resistance, junction to ambient
Note
(1) Mounted on minimum recommended pad layout
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g)
PREFERRED PACKAGE CODE
BASE QUANTITY
DELIVERY MODE
SMBZ5935B-E3/52
0.096
52
750
7" diameter plastic tape and reel
SMBZ5935B-E3/5B
0.096
5B
3200
13" diameter plastic tape and reel
SMBZ5935B-M3/52
0.096
52
750
7" diameter plastic tape and reel
SMBZ5935B-M3/5B
0.096
5B
3200
13" diameter plastic tape and reel
4.0
80
VZ - Temperature Coefficient (mV/°C)
Ptot - Maximum Power Dissipation (W)
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
3.5
3.0
TL
2.5
2.0
1.5
1.0
TA
0.5
0
VZT at IZT
60
50
40
30
20
10
0
0
25
50
75
100
125
0
150
10
20
30
40
50
60
70
Temperature (°C)
VZ - Zener Voltage (V)
Fig. 1 - Steady State Power Durating
Fig. 3 - Typical Temperature Coefficients
100
IZ - Zener Test Current (mA)
5.0
VZ - Temperature Coefficient (mV/°C)
70
VZT at IZT
4.0
3.0
2.0
1.0
10
1
0.1
0
5.0
5.5
6.0
6.5
7.0
0
1
2
3
4
5
6
7
8
VZ - Zener Voltage (V)
VZ - Zener Voltage (V)
Fig. 2 - Typical Temperature Coefficients
Fig. 4 - Typical Zener Voltage
9
10
Revision: 12-Apr-2021
Document Number: 89418
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
SMBZ5919B thru SMBZ5945B
www.vishay.com
Vishay General Semiconductor
10 000
CJ - Junction Capacitance (pF)
IZ - Zener Test Current (mA)
100
10
1
0.1
Measured at Zero Bias
1000
Measured at VZ/2
100
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
10
0
20
40
60
1
10
VZ - Zener Voltage (V)
VBR - Breakdown Voltage (V)
Fig. 5 - Typical Zener Voltage
Fig. 7 - Typical Junction Capacitance
100
ZZ - Dynamic Impedance (Ω)
200
100
IZ = 1 mA
10
IZ = 10 mA
IZ = 20 mA
IZ(rms) = 0.1 IZ(DC)
2
10
100
VZ - Zener Voltage (V)
Fig. 6 - Typical Zener Impedance
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
SMB (DO-214AA)
Mounting Pad Layout
Cathode Band
0.085 (2.159)
MAX.
0.086 (2.20)
0.155 (3.94)
0.130 (3.30)
0.077 (1.95)
0.086 (2.18)
MIN.
0.180 (4.57)
0.160 (4.06)
0.012 (0.305)
0.006 (0.152)
0.060 (1.52)
MIN.
0.220 (5.59) REF.
0.096 (2.44)
0.084 (2.13)
0.060 (1.52)
0.030 (0.76)
0.008 (0.2)
0 (0)
0.220 (5.59)
0.205 (5.21)
Revision: 12-Apr-2021
Document Number: 89418
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
www.vishay.com
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
purpose, non-infringement and merchantability.
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.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of
any of the products, services or opinions of the corporation, organization or individual associated with the third-party website.
Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website
or for that of subsequent links.
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. Please
contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2022 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 01-Jan-2022
1
Document Number: 91000