PAGE . 1
1N4728A-G~1N4764A-G
FEATURES
Low profile package
Built-in strain relief
Low inductance
• High temperature soldering : 260°C /10 seconds at terminals
Glass package has Underwriters Laboratory Flammability Classification
In compliance with EU RoHS 2002/95/EC directives
MECHANICAL DATA
• Case: Molded Glass DO-41G
• Terminals: Axial leads, solderable per MIL-STD-750, Method 2026
guaranteed
• Polarity: Color band denotes positive end
• Mounting position:Any
• Weight: 0.012 ounce, 0.317 gram
SILICON ZENER DIODE
3.3 to 100 V olts 1.0 Watts
POWER
VOLTAGE
retemaraPlobmyS.niM.pyT .xaMstinU
riAtneibmAotnoitcnuJecnatsiseRlamrehT
R
θAJ
--
--
*071W/K
ItaegatloVdrawroF
F
Am002=
V
F
--
--
2.1V
.erutarepmettneibmatatpekeraesacmorfmm01foecnatsidatasdaeltahtdedivorpdilaV*
MAXIMUM RA TINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol Value Units
Power Dissipation at Tamb = 25
O
C
P
TOT
1* W
Junction Temperature
T
J
-65 to +200
O
C
Storage Temperature Range
T
STG
-65 to +200
O
C
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
1.0(26.0)MIN.
0.030(0.75)
0.026(0.65)
0.107(2.7)
0.080(2.0)
1.0(26.0)MIN. 0.177(4.5)
0.138(3.5)
September 23,2011-REV.06
PAGE . 2September 23,2011-REV.06
1N4728A-G~1N4764A-G
Part Number
Nominal Zener Voltage Max. Zener Impedance Ma x im u m Leakage
Current Marking
Code
V
Z
@
I
ZT
Z
ZT
@
I
ZT
Z
ZK
@
I
ZK
I
R
@V
R
Nom. V Min. V Max. V ΩmA ΩmA μAV
1.0 Watt Zener Diodes
1N4728A-G 3.3 3.14 3.47 10.0 76.00 400 1.00 100 11N4728A
1N4729A-G 3.6 3.42 3.78 10.0 69.00 400 1.0 100 11N4729A
1N4730A-G 3.9 3.71 4.10 9.0 64.00 400 1.0 50 11N4730A
1N4731A-G 4.3 4.09 4.52 9.0 58.00 400 1.0 10 11N4731A
1N4732A-G 4.7 4.47 4.94 8.0 53.00 500 1.0 10 11N4732A
1N4733A-G 5.1 4.85 5.36 7.0 49.00 550 1.0 10 11N4733A
1N4734A-G 5.6 5.32 5.88 5.0 45.00 600 1.0 10 21N4734A
1N4735A-G 6.2 5.89 6.51 2.0 41.00 700 1.0 10 31N4735A
1N4736A-G 6.8 6.46 7.14 3.5 37.00 700 1.0 5 4 1N4736A
1N4737A-G 7.5 7.13 7.88 4.0 34.00 700 0.5 5 5 1N4737A
1N4738A-G 8.2 7.79 8.61 4.5 31.00 700 0.5 5 6 1N4738A
1N4739A-G 9.1 8.65 9.56 5.0 28.00 700 0.5 0.5 71N4739A
1N4740A-G 10.0 9.50 10.50 7.0 25.00 700 0.25 0.5 7.6 1N4740A
1N4741A-G 11.0 10.45 11.55 8.0 23.00 700 0.25 0.1 8.4 1N4741A
1N4742A-G 12.0 11.40 12.60 9.0 21.00 700 0.25 0.1 9.1 1N4742A
1N4743A-G 13.0 12.35 13.65 10 19.00 700 0.25 0.1 9.9 1N4743A
1N4744A-G 15.0 14.25 15.75 14 17.00 700 0.25 0.1 11.4 1N4744A
1N4745A-G 16.0 15.20 16.80 16 15.50 700 0.25 0.1 12.2 1N4745A
1N4746A-G 18.0 17.10 18.90 20 14.00 750 0.25 0.1 13.7 1N4746A
1N4747A-G 20.0 19.00 21.00 22 12.50 750 0.25 0.1 15.2 1N4747A
1N4748A-G 22.0 20.90 23.10 23 11.50 750 0.25 0.1 16.7 1N4748A
1N4749A-G 24.0 22.80 25.20 25 10.50 750 0.25 0.1 18.2 1N4749A
1N4750A-G 27.0 25.65 28.35 35 9.50 750 0.25 0.1 20.6 1N4750A
1N4751A-G 30.0 28.50 31.50 40 8.50 1000 0.25 0.1 22.8 1N4751A
1N4752A-G 33.0 31.35 34.65 45 7.50 1000 0.25 0.1 25.1 1N4752A
1N4753A-G 36.0 34.20 37.80 50 7.00 1000 0.25 0.1 27.4 1N4753A
1N4754A-G 39.0 37.05 40.95 60 6.50 1000 0.25 0.1 29.7 1N4754A
1N4755A-G 43.0 40.85 45.15 70 6.00 1500 0.25 0.1 32.7 1N4755A
1N4756A-G 47.0 44.65 49.35 80 5.50 1500 0.25 0.1 35.8 1N4756A
1N4757A-G 51.0 48.45 53.55 95 5.00 1500 0.25 0.1 38.8 1N4757A
1N4758A-G 56.0 53.20 58.80 110 4.50 2000 0.25 0.1 42.6 1N4758A
1N4759A-G 62.0 58.90 65.10 125 4.00 2000 0.25 0.1 47.1 1N4759A
1N4760A-G 68.0 64.60 71.40 150 3.70 2000 0.25 0.1 51.7 1N4760A
1N4761A-G 75.0 71.25 78.75 175 3.30 2000 0.25 0.1 56 1N4761A
1N4762A-G 82.0 77.90 86.10 200 3.00 3000 0.25 0.1 62.2 1N4762A
1N4763A-G 91.0 86.45 95.55 250 2.80 3000 0.25 0.1 69.2 1N4763A
1N4764A-G 100 95.00 105.00 350 2.50 3000 0.25 0.1 76 1N4764A
PAGE . 3
1N4728A-G~1N4764A-G
Fig.1 Steady-State Power Derating Curve Fig.2 Typical Junction Capacitance
Fig.4 Typical Forward CharacteristicsFig.3 Typical Leakage Characteristics
Fig.5 Typical Effect Of Zener Current On Zener
Im
p
edanc
e
Fig.6 Typical Effect Of Zener Voltage On Zener
Impedance
1
10
100
1000
1 10 100
VZ, Zener Voltage (V)
CJ, Junction Capacitance
(pF)
1.0V BIAS
0V BIAS
50% VZ BIAS
0.001
0.01
0.1
1
10
100
1000
10000
100000
0 20406080100
VZ , Nominal Zener Voltage (V)
TJ = 25°C
TJ = 125°C
1
10
100
1000
0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
TJ = 150°C
TJ = 75°C
TJ = 125°C
TJ = 25°C
IF, Forward Current (mA)
VF, Forward Voltage (V)
0.1
1
10
100
1000
1 10 100
IZ, Zener Current (mA)
Zz, Dynamic Impedance (OHMS)
27V
47V
6.2V
0.1
1
10
100
1000
1 10 100
VZ, Zener Voltage (V)
Zz, Dynamic Impedance
(OHMS)
IZ=1mA
IZ=5mA
IZ=20mA
IR, Leakage Current (nA)
0
0.25
0.5
0.75
1
0 20 40 60 80 100 120 140 160 180 200
TA, Ambient Temperature (°C)
PD, Maxiumu Dissipation (W)
September 23,2011-REV.06
PAGE . 4
1N4728A-G~1N4764A-G
Fig.7 Thermal Resistance Versus Lead Length Fig.8 Temperature Coefficient (+25oC To +150oC Temperature
Range ; 90% Of The Units Are In The Ranges Indicated)
0
50
100
150
200
250
300
350
400
0 0.2 0.4 0.6 0.8 1
L, Lead Length To Heat Sink (INCHES)
-4
-2
0
2
4
6
8
10
12
3456789101112
VZ, Zener Voltage (V)
θVZ, Temperature
Coefficient(mV/oC)
θJL, Junction To Lead Thermal
Resistance(oC/W)
Fig.9 Temperature Coefficient (+25oC To +150oC Temperature
Range ; 90% Of The Units Are In The Ranges Indicated)
1
10
100
1000
10 100
VZ, Zener Voltage (V)
θVZ , Temperautre
Coefficient(mV/oC)
September 23,2011-REV.06