SML4728 to SML4764A
www.vishay.com Vishay Semiconductors
Rev. 1.8, 29-Nov-11 1Document Number: 85782
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
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
• Standard voltage tolerance is 10 %, suffix A ± 5 %
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
PRIMARY CHARACTERISTICS
PARAMETER VALUE UNIT
VZ range nom. 3.3 to 100 V
Test current IZT 2.5 to 76 mA
VZ specification Thermal equilibrium
Int. construction Single
ORDERING INFORMATION
DEVICE NAME ORDERING CODE TAPED UNITS PER REEL MINIMUM ORDER QUANTITY
SML4728 to SML4764A SML4728 to SML4764A-series-5A 7500 (12 mm tape on 13" plastic reel)
SML4728 to SML4764A SML4728 to SML4764A-series-61 1800 (12 mm tape on 7" plastic reel)
PACKAGE
PACKAGE NAME WEIGHT MOLDING COMPOUND
FLAMMABILITY RATING
MOISTURE SENSITIVITY
LEVEL
SOLDERING
CONDITIONS
DO-214AC 64 mg UL 94 V-0 MSL level 1
(according J-STD-020) 260 °C/10 s at terminals
ABSOLUTE MAXIMUM RATINGS (Tamb = 25 °C, unless otherwise specified)
PARAMETER TEST CONDITION SYMBOL VALUE UNIT
Power dissipation TL = 75 °C Ptot 1000 mW
Junction temperature Tj150 °C
Storage temperature range Tstg - 65 to + 150 °C
SML4728 to SML4764A
www.vishay.com Vishay Semiconductors
Rev. 1.8, 29-Nov-11 2Document Number: 85782
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
Notes
(1) Based on DC measurement at thermal equilibrium
(2) Surge current is a non-repetitive, 8.3 ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC method
ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
PART
NUMBER
MARKING
CODE
ZENER VOLTAGE
RANGE (1) TEST CURRENT REVERSE
CURRENT DYNAMIC RESISTANCE SURGE
CURRENT (2)
VZ at IZT1 IZT1 IZT2 IR at VRZZ at IZT1 ZZK at IZT2 IRM
VmA μA VΩmApk
NOM. MAX. MAX. MAX. MAX.
SML4728 3P3 3.3 76 1 100 1 10 400 1380
SML4729 3P6 3.6 69 1 100 1 10 400 1260
SML4730 3P9 3.9 64 1 50 1 9 400 1190
SML4731 4P3 4.3 58 1 10 1 9 400 1070
SML4732 4P7 4.7 53 1 10 1 8 500 970
SML4733 5P1 5.1 49 1 10 1 7 550 890
SML4734 5P6 5.6 45 1 10 2 5 600 810
SML4735 6P2 6.2 41 1 10 3 2 700 730
SML4736 6P8 6.8 37 1 10 4 3.5 700 660
SML4737 7P5 7.5 34 0.5 10 5 4 700 605
SML4738 8P2 8.2 31 0.5 10 6 4.5 700 550
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
SML4728 to SML4764A
www.vishay.com Vishay Semiconductors
Rev. 1.8, 29-Nov-11 3Document Number: 85782
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
BASIC CHARACTERISTICS (Tamb = 25 °C, unless otherwise specified)
Fig. 1 - Maximum Continuous Power Dissipation
Fig. 2 - Typical Zener Impedance
Fig. 3 - Typical Temperature Coefficients
Fig. 4 - Typical Instantaneous Forward Characteristics
for SML4763
Fig. 5 - Typical Reverse Characteristics
25 50 75 100 125 150 175
0
0.25
0.5
0.75
1.0
Terminals Temperature ( °C)
PM(AV)
,Average Power Dissipation (W)
60 Hz
Resistiveor
Inductive Load
P.C.B. Mounted on
0.31 x 0.31 x 0.08" (8 x 8 x 2mm)
copper areas pads
17923
0.5 10 100 500
1
10
100
1,000
IZT
, Zener Test Current (mA)
ZZ, Dynamic Zener Impedance (Ω)
TJ=25°C
VZ=91V
VZ=56V
VZ=30V
VZ= 6.2V
17925
010 20 30 40 50 60 70 80 90 100
0
10
30
50
70
90
110
VZ, Zener Voltage (V)
ΘVZ, Temperature Coefficient (mV/ °C)
Tested at rated IZT
17927
0.4 0.6 0.8 1.0 1.2 1.4 1.6
0.01
0.1
1
10
InstantaneousForward Voltage (V)
InstantaneousForward Current (A)
Pulse width = 300µs
1% Duty Cycle
TJ=25°C
17924
020 40 60 80 100
0.01
0.1
1
10
Percent of Rated Zener Voltage (%)
InstantaneousReverse Current ( µA)
TJ=25°C
TJ=100°C
17926
SML4728 to SML4764A
www.vishay.com Vishay Semiconductors
Rev. 1.8, 29-Nov-11 4Document Number: 85782
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
PACKAGE DIMENSIONS in millimeters (inches): DO-214AC
Cathode Band
1.32 (0.052) max.
Mounting Pad Layout
0.305 (0.012)
0.152 (0.006)
1.52 (0.060)
0.76 (0.030)
1.65 (0.065)
1.25 (0.049)
2.29 (0.090)
1.98 (0.078)
4.50 (0.177)
3.99 (0.157)
2.79 (0.110)
2.54 (0.100)
18839
5.28 (0.208)
4.93 (0.194)
2.15
(0.084).
2.38 (0.094) max.
5.58 (0.22) Ref.
ISO Method E
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
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