1.0W SURFACE MOUNT ZENER DIODE Features RECOMMENDED DESIGN, SMAZ
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ZM4728A ZM4764A
1.0W SURFACE MOUNT ZENER DIODE Features
RECOMMENDED DESIGN, SMAZ SERIES (SMA PACKAGE)
1.0W Power Dissipation 3.9V 100V Nominal Zener Voltages Standard Tolerance
Mechanical Data
Case: MELF, Glass Terminals: Solderable MIL-STD-202, Method Polarity: Cathode Band Approx. Weight: 0.25 grams
MELF 4.80 2.40 5.20 2.60
0.55 Nominal
Dimensions
Maximum Ratings
25°C unless otherwise specified Symbol 25°C RqJA TSTG Value Pd/Vz +200 Unit
Characteristic Zener Current (see Table page Power Dissipation Thermal Resistance Junction Ambient Forward Voltage Operating Storage Temperature Range
Notes:
Measured under thermal equilibrium (IZT) test conditions. Zener impedance derived from 60Hz voltage which results when current having value equal Zener current (IZT IZK) superimposed IZK. Zener impedance measured points insure sharp knee breakdown curve eliminate unstable units.
DS18009 Rev.
ZM4728A-ZM4764A
Electrical Characteristics
Type Number Nominal Zener Voltage ZM4728A ZM4729A ZM4730A ZM4731A ZM4732A ZM4733A ZM4734A ZM4735A ZM4736A ZM4737A ZM4738A ZM4739A ZM4740A ZM4741A ZM4742A ZM4743A ZM4744A ZM4745A ZM4746A ZM4747A ZM4748A ZM4749A ZM4750A ZM4751A ZM4752A ZM4753A ZM4754A ZM4755A ZM4756A ZM4757A ZM4758A ZM4759A ZM4760A ZM4761A ZM4762A ZM4763A ZM4764A Notes: Test Current 15.5 12.5 11.5 10.5
25°C unless otherwise specified Maximum Reverse Leakage Current 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 56.0 62.2 69.2 76.0 Surge Current 8.3ms 1380 1260 1190 1070 Maximum Zener Current
Maximum Zener Impedance 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 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 0.25 0.25 0.25 0.25
Measured under thermal equilibrium (IZT) test conditions. Zener impedance derived from 60Hz voltage which results when current having value equal Zener current (IZT IZK) superimposed IZK. Zener impedance measured points insure sharp knee breakdown curve eliminate unstable units.
RECOMMENDED DESIGN, SMAZ SERIES (SMA PACKAGE)
DS18009 Rev. ZM4728A-ZM4764A
POWER DISSIPATION
AMBIENT TEMPERATURE (°C) Fig. Power Derating Curve
RECOMMENDED DESIGN, SMAZ SERIES (SMA PACKAGE)
DS18009 Rev.
ZM4728A-ZM4764A
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