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
• Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
DO-214AC (SMA)
TYPICAL APPLICATIONS
For general purpose regulation and protection applications.
MECHANICAL DATA
PRIMARY CHARACTERISTICS
V
Z
P
tot
at T
L
= 75 °C
P
tot
at T
A
= 25 °C
T
J
max.
V
Z
specification
Int. construction
5.6 V to 68 V
1500 mW
500 mW
150 °C
Pulse current
Single
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 JESD22-B102
M3 suffix meets JESD 201 class 1A whisker test
Polarity:
Color band denotes cathode end
per
MAXIMUM RATINGS
(T
A
= 25 °C, unless otherwise noted)
PARAMETER
Power dissipation at T
L
= 75 °C (fig. 1)
Power dissipation at T
A
= 25 °C (fig. 1)
Maximum instantaneous forward voltage at 200 mA for all types
Operating junction and storage temperature range
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
SYMBOL
P
tot (1)
P
tot (2)
V
F (3)
T
J
, T
STG
VALUE
1500
500
1.5
- 65 to + 150
UNIT
mW
V
°C
Revision: 25-May-12
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
V
Z
I
ZT
Z
ZT
I
ZK
Z
ZK
I
R
V
R
I
F
V
F
I
ZM
PARAMETER
Reverse Zener voltage at I
ZT
Reverse current
Maximum Zener impedance at I
ZT
Reverse current
Maximum Zener impedance at I
ZK
Reverse leakage current at V
R
Reverse voltage
Forward current
Forward voltage at I
F
Maximum DC Zener current
V
Z
V
R
I
R
V
F
I
ZT
V
I
F
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS
(T
A
= 25 °C unless otherwise noted)
ZENER
VOLTAGE RANGE
V
Z
AT I
ZT
V
MIN.
SMAZ5919B
SMAZ5920B
SMAZ5921B
SMAZ5923B
SMAZ5924B
SMAZ5925B
SMAZ5926B
SMAZ5927B
SMAZ5928B
SMAZ5929B
SMAZ5930B
SMAZ5931B
SMAZ5932B
SMAZ5933B
SMAZ5934B
SMAZ5935B
SMAZ5936B
SMAZ5937B
SMAZ5938B
SMAZ5939B
SMAZ5940B
SMAZ5941B
SMAZ5942B
SMAZ5943B
SMAZ5944B
SMAZ5945B
Revision: 25-May-12
19B
20B
21B
23B
24B
25B
26B
27B
28B
29B
30B
31B
32B
33B
34B
35B
36B
37B
38B
39B
40B
41B
42B
43B
44B
45B
5.32
5.89
6.46
7.79
8.64
9.5
10.5
11.4
12.4
14.3
15.2
17.1
19.0
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.65
48.45
53.2
58.9
64.6
NOM.
5.6
6.2
6.8
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
MAX.
5.88
6.51
7.14
8.61
9.56
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21.0
23.1
25.2
28.4
31.5
34.7
37.8
41.0
45.2
49.35
53.55
58.8
65.1
71.4
66.9
60.5
55.1
45.7
41.2
37.5
34.1
31.2
28.8
25.0
23.4
20.8
18.7
17.0
15.6
13.9
12.5
11.4
10.4
9.6
8.7
8.0
7.3
6.7
6.0
5.5
1
1
1
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
TEST
CURRENT
I
ZT
mA
MAX.
5
2
2.5
5.0
5.0
5.0
5.5
6.5
7.0
9.0
10.0
12.0
14.0
17.5
19.0
23.0
28.0
33.0
38.0
45.0
53.0
67
70
86
100
120
I
ZK
MAXIMUM
ZENER
IMPEDANCE
Z
ZT
AT I
ZT
MAX.
700
700
400
700
700
700
550
550
550
600
600
650
650
650
700
700
750
800
850
900
950
1000
1100
1300
1500
1700
Z
ZK
AT I
ZK
REVERSE
LEAKAGE
CURRENT
I
R
AT V
R
μA
MAX.
200
200
200
10
10
10
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
4
5.2
6.5
7.0
8.0
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
V
MAXIMUM
ZENER
CURRENT
I
ZM
mA
MAX.
268
242
221
183
165
150
136
125
115
100
94
83
75
68
62
56
50
45
42
38
35
32
29
27
24
22
PART
NUMBER
DEVICE
MARKING
CODE
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
(T
A
= 25 °C unless otherwise noted)
PARAMETER
Typical thermal resistance, junction to lead
Typical thermal resistance, junction to ambient
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
SYMBOL
R
JL
(1)
R
JA
(2)
VALUE
50
250
UNIT
°C/W
°C/W
ORDERING INFORMATION
(Example)
PREFERRED P/N
SMAZ5925B-M3/61
SMAZ5925B-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)
4.0
100
P
tot
- Maximum Power Dissipation (W)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
T
A
0.1
0
I
Z
- Zener Test Current (mA)
10
T
L
1
10
20
30
40
50
60
70
Temperature (°C)
V
Z
- Zener Voltage (V)
Fig. 1 - Steady State Power Durating
Fig. 3 - Typical Zener Voltage
100
5.0
V
Z
- Temperature Coefficient (mV/°C)
I
Z
- Zener Test Current (mA)
V
Z
at I
ZT
4.0
10
3.0
2.0
1
1.0
0.1
0
1
2
3
4
5
6
7
8
9
10
0
5.0
5.5
6.0
6.5
7.0
V
Z
- Zener Voltage (V)
V
Z
- Zener Voltage (V)
Fig. 2 - Typical Zener Voltage
Fig. 4 - Typical Temperature Coefficients
Revision: 25-May-12
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
80
V
Z
- Temperature Coefficient (mV/°C)
Z
Z
- Dynamic Impedance (Ω)
70
60
50
40
30
20
10
0
0
V
Z
at I
ZT
I
Z
= 1 mA
100
I
Z
= 10 mA
10
I
Z
= 20 mA
1
10
20
30
40
50
60
70
0
10
20
30
40
50
60
70
V
Z
- Zener Voltage (V)
V
Z
- Zener Voltage (V)
Fig. 5 - Typical Temperature Coefficients
Fig. 7 - Typical Zener Impedance
10000
C
J
- Junction Capacitance (pF)
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mVp-p
Measured at Zero Bias
1000
Measured at V
Z/2
100
10
1
10
100
V
BR
- Breakdown Voltage (V)
Fig. 6 - Typical Junction Capacitance
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: 25-May-12
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
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.
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.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
PCB设计
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
