SMAZ5919B thru SMAZ5945B
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
SMA (DO-214AC)
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
DESIGN SUPPORT TOOLS AVAILABLE
3D 3D
TYPICAL APPLICATIONS
3D Models
For general purpose regulation and protection applications.
MECHANICAL DATA
PRIMARY CHARACTERISTICS
VZ
5.6 V to 68 V
Ptot at TL = 75 °C
1500 mW
Ptot at TA = 25 °C
500 mW
TJ max.
150 °C
VZ specification
Pulse current
Circuit configuration
Single
Case: SMA (DO-214AC)
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 JESD22-B102
M3 suffix meets JESD 201 class 1A whisker test
per
Polarity: color band denotes cathode end
MAXIMUM RATINGS (TA = 25 °C, unless otherwise noted)
PARAMETER
SYMBOL
(1)
VALUE
Power dissipation at TL = 75 °C (fig. 1)
Ptot
Power dissipation at TA = 25 °C (fig. 1)
Ptot (2)
500
Maximum instantaneous forward voltage at 200 mA for all types
VF (3)
1.5
V
TJ, TSTG
- 65 to + 150
°C
Operating junction and storage temperature range
1500
UNIT
mW
Notes
(1) Mounted on PCB with 5.0 mm x 5.0 mm copper pads attached to each terminal
(2) Mounted on minimum recommended pad layout
(3) Pulse test: 300 μs pulse width, 1 % duty cycle
Revision: 12-Mar-2019
Document Number: 89416
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
SMAZ5919B thru SMAZ5945B
www.vishay.com
Vishay General Semiconductor
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
VZ
IF
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
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
mA
MIN.
NOM.
MAX.
ZZK AT IZK
REVERSE
LEAKAGE
CURRENT
MAXIMUM
ZENER
CURRENT
IR AT VR
IZM
μA
MAX.
MAX.
MAX.
V
mA
MAX.
SMAZ5919B
19B
5.32
5.6
5.88
66.9
1
5
700
200
3
268
SMAZ5920B
20B
5.89
6.2
6.51
60.5
1
2
700
200
4
242
SMAZ5921B
21B
6.46
6.8
7.14
55.1
1
2.5
400
200
5.2
221
SMAZ5923B
23B
7.79
8.2
8.61
45.7
0.5
5.0
700
10
6.5
183
SMAZ5924B
24B
8.64
9.1
9.56
41.2
0.5
5.0
700
10
7.0
165
SMAZ5925B
25B
9.5
10
10.5
37.5
0.25
5.0
700
10
8.0
150
SMAZ5926B
26B
10.5
11
11.6
34.1
0.25
5.5
550
5
8.4
136
SMAZ5927B
27B
11.4
12
12.6
31.2
0.25
6.5
550
1
9.1
125
SMAZ5928B
28B
12.4
13
13.7
28.8
0.25
7.0
550
1
9.9
115
SMAZ5929B
29B
14.3
15
15.8
25.0
0.25
9.0
600
1
11.4
100
SMAZ5930B
30B
15.2
16
16.8
23.4
0.25
10.0
600
1
12.2
94
SMAZ5931B
31B
17.1
18
18.9
20.8
0.25
12.0
650
1
13.7
83
SMAZ5932B
32B
19.0
20
21.0
18.7
0.25
14.0
650
1
15.2
75
SMAZ5933B
33B
20.9
22
23.1
17.0
0.25
17.5
650
1
16.7
68
SMAZ5934B
34B
22.8
24
25.2
15.6
0.25
19.0
700
1
18.2
62
SMAZ5935B
35B
25.7
27
28.4
13.9
0.25
23.0
700
1
20.6
56
SMAZ5936B
36B
28.5
30
31.5
12.5
0.25
28.0
750
1
22.8
50
SMAZ5937B
37B
31.4
33
34.7
11.4
0.25
33.0
800
1
25.1
45
SMAZ5938B
38B
34.2
36
37.8
10.4
0.25
38.0
850
1
27.4
42
SMAZ5939B
39B
37.1
39
41.0
9.6
0.25
45.0
900
1
29.7
38
SMAZ5940B
40B
40.9
43
45.2
8.7
0.25
53.0
950
1
32.7
35
SMAZ5941B
41B
44.65
47
49.35
8.0
0.25
67
1000
1
35.8
32
SMAZ5942B
42B
48.45
51
53.55
7.3
0.25
70
1100
1
38.8
29
SMAZ5943B
43B
53.2
56
58.8
6.7
0.25
86
1300
1
42.6
27
SMAZ5944B
44B
58.9
62
65.1
6.0
0.25
100
1500
1
47.1
24
SMAZ5945B
45B
64.6
68
71.4
5.5
0.25
120
1700
1
51.7
22
Revision: 12-Mar-2019
Document Number: 89416
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
SMAZ5919B thru SMAZ5945B
www.vishay.com
Vishay General Semiconductor
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER
SYMBOL
VALUE
UNIT
50
°C/W
250
°C/W
(1)
Typical thermal resistance, junction to lead
RJL
Typical thermal resistance, junction to ambient
RJA (2)
Notes
(1) Mounted on PCB with 5.0 mm x 5.0 mm copper pads attached to each terminal
(2) Mounted on minimum recommended pad layout
ORDERING INFORMATION (Example)
PREFERRED P/N
UNIT WEIGHT (g)
PREFERRED PACKAGE CODE
BASE QUANTITY
DELIVERY MODE
SMAZ5925B-M3/61
0.064
61
1800
7" diameter plastic tape and reel
SMAZ5925B-M3/5A
0.064
5A
7500
13" diameter plastic tape and reel
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
100
3.5
IZ - Zener Test Current (mA)
Ptot - Maximum Power Dissipation (W)
4.0
3.0
2.5
TL
2.0
1.5
1.0
1
TA
0.5
0.1
0
0
25
50
75
100
125
0
150
10
20
40
30
50
Temperature (°C)
VZ - Zener Voltage (V)
Fig. 1 - Steady State Power Durating
Fig. 3 - Typical Zener Voltage
100
60
70
5.0
VZ - Temperature Coefficient (mV/°C)
IZ - Zener Test Current (mA)
10
10
1
0.1
VZ at IZT
4.0
3.0
2.0
1.0
0
0
1
2
3
4
5
6
7
8
9
10
5.0
5.5
6.0
6.5
VZ - Zener Voltage (V)
VZ - Zener Voltage (V)
Fig. 2 - Typical Zener Voltage
Fig. 4 - Typical Temperature Coefficients
7.0
Revision: 12-Mar-2019
Document Number: 89416
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
SMAZ5919B thru SMAZ5945B
www.vishay.com
Vishay General Semiconductor
1000
VZ at IZT
70
ZZ - Dynamic Impedance (Ω)
VZ - Temperature Coefficient (mV/°C)
80
60
50
40
30
20
IZ = 1 mA
100
IZ = 10 mA
IZ = 20 mA
10
10
1
0
0
10
20
30
40
50
60
0
70
Fig. 5 - Typical Temperature Coefficients
CJ - Junction Capacitance (pF)
20
30
40
50
60
70
Fig. 7 - Typical Zener Impedance
10000
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
Measured at Zero Bias
1000
Measured at VZ/2
100
10
1
10
VZ - Zener Voltage (V)
VZ - Zener Voltage (V)
10
100
VBR - Breakdown Voltage (V)
Fig. 6 - Typical Junction Capacitance
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
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)
Revision: 12-Mar-2019
Document Number: 89416
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
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www.vishay.com
Vishay
Disclaimer
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Revision: 01-Jan-2022
1
Document Number: 91000