SMBZ5919B thru SMBZ5945B
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Revision: 12-Mar-2019 1Document Number: 89418
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Surface Mount Power Voltage-Regulating Diodes
DESIGN SUPPORT TOOLS AVAILABLE
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
TYPICAL APPLICATIONS
For general purpose regulation and protection applications.
MECHANICAL DATA
Case: SMB (DO-214AA)
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 per
J-STD-002 and JESD22-B102
M3 suffix meets JESD 201 class 1A whisker test
Polarity: color band denotes cathode end
Notes
(1) Mounted on minimum recommended pad layout
(2) Pulse test: 300 μs pulse width, 1 % duty cycle
PRIMARY CHARACTERISTICS
VZ5.6 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
SMB (DO-214AA)
3
3
D
D
3
D
3D Models
MAXIMUM RATINGS (TA = 25 °C, unless otherwise noted)
PARAMETER SYMBOL VALUE UNIT
Maximum steady state power dissipation at TL = 75 °C (fig. 1) Ptot 3000 mW
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
Operating junction and storage temperature range TJ, TSTG -55 to +150 °C
SMBZ5919B thru SMBZ5945B
www.vishay.com Vishay General Semiconductor
Revision: 12-Mar-2019 2Document Number: 89418
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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
Zener Voltage Regulator
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
VZReverse Zener voltage at IZT
IZT Reverse current
ZZT Maximum Zener impedance at IZT
IZK Reverse current
ZZK Maximum Zener impedance at IZK
IRReverse leakage current at VR
VR Reverse voltage
IFForward current
VFForward voltage at IF
IZM Maximum DC Zener current
V
IF
VZVR
IR
IZT
VF
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PART
NUMBER
DEVICE
MARKING
CODE
ZENER VOLTAGE
RANGE
TEST
CURRENT
MAXIMUM ZENER
IMPEDANCE
REVERSE
LEAKAGE
CURRENT
MAXIMUM
ZENER
CURRENT
VZ AT IZT IZT IZK ZZT AT IZT ZZK AT IZK IR AT VRIZM
VmAμA V mA
MIN. NOM. MAX. MAX. MAX. MAX. MAX.
SMBZ5919B 19B 5.32 5.6 5.88 66.9 1 5 700 200 3 267
SMBZ5920B 20B 5.89 6.2 6.51 60.5 1 2 700 200 4 241
SMBZ5921B 21B 6.46 6.8 7.14 55.1 1 2.5 400 200 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
SMBZ5919B thru SMBZ5945B
www.vishay.com Vishay General Semiconductor
Revision: 12-Mar-2019 3Document Number: 89418
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
Note
(1) Mounted on minimum recommended pad layout
RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)
Fig. 1 - Steady State Power Durating
Fig. 2 - Typical Temperature Coefficients
Fig. 3 - Typical Temperature Coefficients
Fig. 4 - Typical Zener Voltage
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL VALUE UNIT
Typical thermal resistance, junction to lead RJL 25 °C/W
Typical thermal resistance, junction to ambient RJA (1) 226 °C/W
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
SMBZ5935B-M3/52 0.096 52 750 7" diameter plastic tape and reel
SMAZ5935B-M3/5B 0.096 5B 3200 13" diameter plastic tape and reel
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 25 50 75 100 125 150
Ptot
-
Maximum Power Dissipation (W)
Temperature (°C)
TA
TL
1.0
2.0
3.0
4.0
5.0
5.0 6.0 6.55.5 7.0
0
V
Z
- Zener Voltage (V)
V
Z
- Temperature Coefficient (mV/°C)
VZT at IZT
10
20
30
40
50
60
70
80
02030506010 40 70
0
VZ - Zener Voltage (V)
VZT at IZT
VZ - Temperature Coefficient (mV/°C)
100
10
1
02 5 9
0.1
VZ - Zener Voltage (V)
I
Z
- Zener Test Current (mA)
13 761048
SMBZ5919B thru SMBZ5945B
www.vishay.com Vishay General Semiconductor
Revision: 12-Mar-2019 4Document Number: 89418
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
Fig. 5 - Typical Zener Voltage
Fig. 6 - Typical Zener Impedance
Fig. 7 - Typical Junction Capacitance
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
100
10
1
0204060
0.1
VZ - Zener Voltage (V)
I
Z
- Zener Test Current (mA)
100
200
10
2
10 100
V
Z
- Zener Voltage (V)
Z
Z
- Dynamic Impedance (Ω)
I
Z
= 1 mA
I
Z
= 20 mA
I
Z
= 10 mA
I
Z(rms)
= 0.1 I
Z(DC)
10 000
1000
100
10
101 100
C
J
- Junction Capacitance (pF)
V
BR
- Breakdown Voltage (V)
Measured at V
Z/2
Measured at Zero Bias
T
J
= 25 °C
f = 1.0 MHz
V
sig
= 50 mVp-p
0.160 (4.06)
0.180 (4.57)
0.006 (0.152)
0.012 (0.305)
0.030 (0.76)
0.060 (1.52)
0.205 (5.21)
0.220 (5.59)
0 (0)
0.008 (0.2)
0.130 (3.30)
0.155 (3.94)
0.084 (2.13)
0.096 (2.44)
0.077 (1.95)
0.086 (2.20)
Cathode Band
SMB (DO-214AA)
0.085 (2.159)
MAX.
0.220 REF.
0.086 (2.18)
MIN.
0.060 (1.52)
MIN.
Mounting Pad Layout
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Revision: 01-Jan-2019 1Document Number: 91000
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