Zener Diode
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Features:
•High reliability.
•Very sharp reverse characteristic.
•Low reverse current level.
•Vz-tolerance ±5%.
Application:
Voltage stabilization.
Absolute Maximum Ratings Tj= 25°C
Parameter Test Conditions Symbol Value Unit
Power dissipation Tamb ≤ 50°C Pv1 W
Z-current - IzPv / VzmA
Junction temperature -Tj200
°C
Storage temperature range -Tstg -65 to +175
Maximum Thermal Resistance Tj= 25°C
Parameter Test Conditions Symbol Value Unit
Junction ambient I = 9.5 mm (3/8”) TL= constant RthJA 100 K/W
Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above
the recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions
may affect device reliability.
Electrical Characteristics Tj= 25°C
Parameter Test Conditions Symbol Maximum Unit
Forward voltage IF= 200 mA VF1.2 V
Zener Diode
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Specification Table
VZnom1) IZT for rziT rziK at IZK IRat VRPart Number
V mA ΩΩΩΩmA µA V
3.3 76 < 10 < 400 1< 100 1 1N4728A
3.6 69 < 10 < 400 1< 100 1 1N4729A
3.9 64 < 9 < 400 1< 50 1 1N4730A
4.7 53 < 8 < 500 1< 10 1 1N4732A
5.1 49 < 7 < 550 1< 10 1 1N4733A
5.6 45 < 5 < 600 1< 10 2 1N4734A
6.2 41 < 2 < 700 1< 10 3 1N4735A
6.8 37 < 3.5 < 700 1< 10 4 1N4736A
7.5 34 < 4 < 700 0.5 < 10 5 1N4737A
8.2 31 < 4.5 < 700 0.5 < 10 6 1N4738A
9.1 28 < 5 < 700 0.5 < 10 7 1N4739A
10 25 < 7 < 700 0.25 < 10 7.6 1N4740A
11 23 < 8 < 700 0.25 < 5 8.4 1N4741A
12 21 < 9 < 700 0.25 < 5 9.1 1N4742A
13 19 < 10 < 700 0.25 < 5 9.9 1N4743A
15 17 < 14 < 700 0.25 < 5 11.4 1N4744A
16 15.5 < 16 < 700 0.25 < 5 12.2 1N4745A
18 14 < 20 < 750 0.25 < 5 13.7 1N4746A
20 12.5 < 22 < 750 0.25 < 5 15.2 1N4747A
22 11.5 < 23 < 750 0.25 < 5 16.7 1N4748A
24 10.5 < 25 < 750 0.25 < 5 18.2 1N4749A
27 9.5 < 35 < 750 0.25 < 5 20.6 1N4750A
30 8.5 < 40 < 1000 0.25 < 5 22.8 1N4751A
33 7.5 < 45 < 1000 0.25 < 5 25.1 1N4752A
36 7 < 50 < 1000 0.25 < 5 27.4 1N4753A
39 6.5 < 60 < 1000 0.25 < 5 29.7 1N4754A
43 6 < 70 < 1500 0.25 < 5 32.7 1N4755A
47 5.5 < 80 < 1500 0.25 < 5 35.8 1N4756A
51 5 < 95 < 1500 0.25 < 5 38.8 1N4757A
56 4.5 < 110 < 2000 0.25 < 5 42.6 1N4758A
62 4 < 125 < 2000 0.25 < 5 47.1 1N4759A
68 3.7 < 150 < 2000 0.25 < 5 51.7 1N4760A
75 3.3 < 175 < 2000 0.25 < 5 56 1N4761A
1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature (TL) at 30°C,
9.5 mm (3/8”) from the diode body.
Zener Diode
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Characteristics (Tj= 25°C unless otherwise specified)
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
VRBreakdown voltage
IFForward current
VFForward voltage at IF
Zener Voltage Regulator
Temperature Coefficients
(-55°C to +150°C temperature range; 90% of the units are in the ranges indicated)
Zener Diode
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Characteristics (Tj= 25°C unless otherwise specified)
Effect of Zener Current on Zener Impedance Effect of Zener Voltage on Zener Impedance
Dimensions: Millimetres
Standard Glass case
JEDEC DO-41
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Dimensions
