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1N4728A-G thru 1N4764A-G
SILICON ZENER DIODE REVERSE VOLTAGE - 3.3 to 100 Volts FORWARD CURRENT - 1.0 Watts DO-41G
FEATURES
Low profile package Built-in strain relief Low inductance High temperature soldering : 260C /10 seconds at terminals Glass package has Underwriters Laboratory Flammability Classification In compliance with EU RoHS 2002/95/EC directives
APPLICATIONS
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, 0.336 gram
Dimensions in inches and (millimeters)
Ratings at 25C ambient temperature unless otherwise specified.
Parameter Power Dissipation at Tamb=25 Symbol Ptot Value 1* 150 Units W
Junction Temperature Storage Temperature Range
Tj
Tstg

-65 ~ +200
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Parameter Thermal Resistance Junction Ambient Air Forward Voltage at IF=200mA
Symbol RJA VF
Min. -
Typ. -
Max. 170* 1.2
Units K/W V
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
RATING AND CHARACTERISTIC CURVES 1N4728A-G thru 1N4764A-G
NOTE: 1. Tolerance and Type Number Designation. The type umbers listed have a standard tolerance on the nominal zener voltage of + 5% 2. Specials Available Include: A. Nominal zener voltages between the voltages shown and tighter voltage tolerances. B. Matched sets. 3. Zener Voltage (Vz) Measurement. Guarantees the zener voltage when measured at 90 seconds while maintaining the lead temperature (T ) at 30 C + 1 C, from the diode body. 4. Zener Impedance (Zz) Derivation. The zener impedance is derived from the 60 cycle ac voltage, which results when an rms value equal to 10% of the dc zener current (Izt or Izk) is superimposed on Izt or Izk. 5. Surge Current (Ir) Non-Repetitive. The rating listed in the electrical characteristics table is maximum peak,non-repetitive, reverse surge current of 1/2 FIG. 1 - POWER TEMPERATURE DERATING CURVE an ac current having
FIG.2 - TEMPERATURE COEFFICIENTS (-55C to +150C temperature range;90% of the units are in the ranges indicated.)
RATING AND CHARACTERISTIC CURVES 1N4728A-G thru 1N4764A-G
FIG. 3 - TYPICAL THERMAL RESISTANCE versus LEAD LENGTH
FIG. 4 - EFFECT OF ZENER CURRENT
FIG. 5 - MAXIMUM SURGE POWER
FIG.6- EFFECT OF ZENER CURRENT ON ZENER IMPEDANCE
FIG. 7 - EFFECT OF ZENER VOLTAGE ON ZENER
RATING AND CHARACTERISTIC CURVES 1N4728A-G thru 1N4764A-G
FIG. 8 - TYPICAL LEAKAGE CURRENT
FIG. 9 - TYPICAL CAPACITANGE versus Vz
FIG. 10 - TYPICAL FORWAWD CHARACTERISTICS
1N4728A-G thru 1N4764A-G
Nominal Zener Voltage TYPE Nom.V 1.0 Watt Zener Diodes VZ @ IZT Min.V Max.V Max. Zener Impedance ZZT @ IZT mA ZZT @ IZK mA A Maximum Leakage Current IR @ VR V Marking Code
1N4728A-G 1N4729A-G 1N4730A-G 1N4731A-G 1N4732A-G 1N4733A-G 1N4734A-G 1N4735A-G 1N4736A-G 1N4737A-G 1N4738A-G 1N4739A-G 1N4740A-G 1N4741A-G 1N4742A-G 1N4743A-G 1N4744A-G 1N4745A-G 1N4746A-G 1N4747A-G 1N4748A-G 1N4749A-G 1N4750A-G 1N4751A-G 1N4752A-G 1N4753A-G 1N4754A-G 1N4755A-G 1N4756A-G 1N4757A-G 1N4758A-G 1N4759A-G 1N4760A-G 1N4761A-G 1N4762A-G 1N4763A-G 1N4764A-G
3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10.0 11.0 12.0 13.0 15.0 16.0 18.0 20.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0
3.14 3.42 3.71 4.09 4.47 4.85 5.32 5.89 6.46 7.13 7.79 8.65 9.50 10.45 11.40 12.35 14.25 15.20 17.10 19.00 20.90 22.80 25.65 28.50 31.35 34.20 37.05 40.85 44.65 48.45 53.20 58.90 64.60 71.25 77.90 86.45 95.00
3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.51 7.14 7.88 8.61 9.56 10.50 11.55 12.60 13.65 15.75 16.80 18.90 21.00 23.10 25.20 28.35 31.50 34.65 37.80 40.95 45.15 49.35 53.55 58.80 65.10 71.40 78.75 86.10 95.55 105.00
10.0 10.0 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10.0 14.0 16.0 20.0 22.0 23.0 25.0 35.0 40.0 45.0 50.0 60.0 70.0 80.0 95.0 110.0 125.0 150.0 175.0 200.0 250.0 350.0
76.00 69.00 64.00 58.00 53.00 49.00 45.00 41.00 37.00 34.00 31.00 28.00 25.00 23.00 21.00 19.00 17.00 15.50 14.00 12.50 11.50 10.50 9.50 8.50 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.70 3.30 3.00 2.80 2.50
400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000
1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.50 0.50 0.50 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
100 100 50 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 7.6 8.4 9.1 9.9 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
1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A 1N4758A 1N4759A 1N4760A 1N4761A 1N4762A 1N4763A 1N4764A

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