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ZM4764A Dataheets PDF



Part Number ZM4764A
Manufacturers KD
Logo KD
Description 1W EPITAXIAL ZENER DIODE
Datasheet ZM4764A DatasheetZM4764A Datasheet (PDF)

ZM4728A THRU ZM4764A 1W EPITAXIAL ZENER DIODE 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 LL-41 • Terminals: Axial leads, solderable per MIL-STD-750, Method 2026 guaranteed • Polarity: Color band denotes positive end • Mounting position:Any • Weigh.

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ZM4728A THRU ZM4764A 1W EPITAXIAL ZENER DIODE 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 LL-41 • Terminals: Axial leads, solderable per MIL-STD-750, Method 2026 guaranteed • Polarity: Color band denotes positive end • Mounting position:Any • Weight: 0.25 gram A C B MELF Dim Min A 4.80 B 2.40 C 0.46 Max 5.20 2.67 0.60 ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25℃) Symbols Zener current see table "Characteristics" Power dissipation at TA=50℃ Ptot Junction temperature TJ Storage temperature range TSTG 1)Valid provided that a distance of 8mm from case are kept at ambient temperature Value 1 1) 175 -65 to +200 Units W ℃ ℃ ELECTRCAL CHARACTERISTICS(TA=25℃) Symbols Min Thermal resistance junction to ambient RthA Forward voltage at IF=200mA VF 1) Valid provided that a distance at 8mm from case are kept at ambient temperature Typ Max Units 170 1) ℃/W 1.2 V ZM4728A THRU ZM4764A 1W EPITAXIAL ZENER DIODE Type Number 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 Nominal Zener Voltage (1) VZ @ IZT V 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 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 Test Current IZT mA 76 69 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5 Maximum Zener Impedance (2) ZZT @ IZT ZZK @ IZK 10 400 10 400 9.0 400 9.0 400 8.0 500 7.0 550 5.0 600 2.0 700 3.5 700 4.0 700 4.5 700 5.0 700 7.0 700 8.0 700 9.0 700 10 700 14 700 16 700 20 750 22 750 23 750 25 750 35 750 40 1000 45 1000 50 1000 60 1000 70 1500 80 1500 95 1500 110 2000 125 2000 150 2000 175 2000 200 3000 250 3000 350 3000 IZK mA 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 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 Maximum Reverse Leakage Current IR µA 100 100 50 10 10 10 10 10 10 10 10 10 10 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 @ VR V 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 Max Surge Current 8.3ms IZS mA 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 Maximum Zener Current IZM mA 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 13 12 11 10 9.0 Notes: 1. Measured under thermal equilibrium and DC (IZT) test conditions. 2. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT or IZK) is superimposed on IZTor IZK .Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. ZM4728A THRU ZM4764A RATINGS AND CHARACTERISTIC CURVES FIG.1 -- BREAKDOWN CHARACTERISTICS Iz (mA) 100 80 60 40 20 Vz (V) 5 10 15 20 25 30 0 4750 4749 4748 4747 4744 4742 4741 4739 4735 4733 4732 4731 4728 POWER DISSIPATION, Watts FIG.2 -- ADMISSIBLE POWER DISSIPATION VERSUS AMBIENT TEMPERATURE 1.0 0.8 0.6 0.4 0.2 0 50 100 150 200 250 AMBIENT TEMPERATURE, OC .


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