1N4728 EIC | Alldatasheet
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Technical content
1N4728 - 1N4764 SILICON ZENER DIODES Z1110 - Z1200 VZ : 3.3 - 200 Volts PD : 1 Watt FEATURES : * Complete voltage range 3.3 to 200 Volts * High peak reverse power dissipation * High reliability * Low leakage current MECHANICAL DATA * Case : DO-41 Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.339 gram MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified Rating Symbol Value Unit DC Power Dissipation at T L = 50 °C (Note1) PD 1.0 Watt Maximum Forward Voltage at IF = 200 mA VF 1.2 Volts Maximum Thermal Resistance Junction to Ambient Air (Note2) RθJA 170 K / W Junction Temperature Range TJ - 55 to + 175 °C Storage Temperature Range Ts - 55 to + 175 °C Note : (1) TL = Lead temperature at 3/8 " (9.5mm) from body (2) Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case. 0 25 50 75 100 125 150 175 TL, LEAD TEMPERATURE (°C) UPDATE : SEPTEMBER 9, 2000 0.25 0.50 0.75 1.00 1.25 L = 3/8" (9.5mm) PD, MAXIMUM DISSIPATION (WATTS) Fig. 1 POWER TEMPERATURE DERATING CURVE DO - 41 Dimensions in inches and ( millimeters ) 1.00 (25.4) MIN.0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) 1.00 (25.4) MIN.0.034 (0.86) 0.028 (0.71)
ELECTRICAL CHARACTERISTICS
Rating at = 25 °C ambient temperature unless otherwise specified Nominal Zener Maximum Zener Maximum Reverse Maximum DC TYPE Voltage Impedance Leakage Current Zener Current VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IZK IR @ VR IZM (V) (mA) (Ω ) (Ω ) (mA) (µA) (V) (mA) 1N4728 3.3 76.0 10 400 1.0 100 1.0 276 1N4729 3.6 69.0 10 400 1.0 100 1.0 252 1N4740 10 25.0 7.0 700 0.25 50 7.6 91 1N4741 11 23.0 8.0 700 0.25 50 8.4 83 1N4743 13 19.0 10 700 0.25 5.0 9.9 69 1N4744 15 17.0 14 700 0.25 5.0 11.4 61 1N4745 16 15.5 16 700 0.25 5.0 12.2 57 1N4746 18 14.0 20 750 0.25 5.0 13.7 50 1N4747 20 12.5 22 750 0.25 5.0 15.2 45 1N4748 22 11.5 23 750 0.25 5.0 16.7 41 1N4749 24 10.5 25 750 0.25 5.0 18.2 38 1N4750 27 9.5 35 750 0.25 5.0 20.6 34 1N4751 30 8.5 40 1000 0.25 5.0 22.8 30 1N4752 33 7.5 45 1000 0.25 5.0 25.1 27 1N4753 36 7.0 50 1000 0.25 5.0 27.4 25 1N4754 39 6.5 60 1000 0.25 5.0 29.7 23 1N4755 43 6.0 70 1500 0.25 5.0 32.7 22 1N4756 47 5.5 80 1500 0.25 5.0 35.8 19 1N4757 51 5.0 95 1500 0.25 5.0 38.8 18 1N4758 56 4.5 110 2000 0.25 5.0 42.6 16 1N4759 62 4.0 125 2000 0.25 5.0 47.1 14 1N4760 68 3.7 150 2000 0.25 5.0 51.7 13 1N4761 75 3.3 175 2000 0.25 5.0 56.0 12 1N4762 82 3.0 200 3000 0.25 5.0 62.2 11 1N4763 91 2.8 250 3000 0.25 5.0 69.2 10 Note : ( 1 ) The type number listed have a standard tolerance on the nominal zener voltage of ± 10%. A standard tolerance of ± 5% on individual units is also available and is indicated by suffixing "A" to the standard type number.