1N4728A SYNSEMI | Alldatasheet

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VZ : 3.3 - 300 Volts PD : 1 Watt FEATURES : * Complete voltage range 3.3 to 300 Volts * High peak reverse power dissipation * High reliability * Low leakage current * Pb / RoHS Free 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 : 0.335 gram MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified Rating Symbol Value Unit DC Power Dissipation at TL = 50 °C (Note1) P D 1.0 Watt Maximum Forward Voltage at IF = 200 mA V F 1.2 Volts Maximum Thermal Resistance Junction to Ambient Air (Note2) RӨJA 170 K / W Junction Temperature Range TJ - 55 to + 175 °C Storage Temperature Range TSTG - 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) Page 1 of 2 Rev. 05 : May 27, 2006 SILICON ZENER DIODES 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 Maximum Voltage Impedance Leakage Current Zener Current Surge Current VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IZK IR @ VR IZM IRM (2) (V) (mA) ( Ω)( Ω) (mA) (µA) (V) (mA) (mApk) 1N4728A 3.3 76.0 10 400 1.0 100 1.0 276 1380 1N4729A 3.6 69.0 10 400 1.0 100 1.0 252 1260 1N4740A 10 25.0 7.0 700 0.25 50 7.6 91 454 1N4741A 11 23.0 8.0 700 0.25 50 8.4 83 414 1N4743A 13 19.0 10 700 0.25 5.0 9.9 69 344 1N4744A 15 17.0 14 700 0.25 5.0 11.4 61 305 1N4745A 16 15.5 16 700 0.25 5.0 12.2 57 285 1N4746A 18 14.0 20 750 0.25 5.0 13.7 50 250 1N4747A 20 12.5 22 750 0.25 5.0 15.2 45 225 1N4748A 22 11.5 23 750 0.25 5.0 16.7 41 205 1N4749A 24 10.5 25 750 0.25 5.0 18.2 38 190 1N4750A 27 9.5 35 750 0.25 5.0 20.6 34 170 1N4751A 30 8.5 40 1000 0.25 5.0 22.8 30 150 1N4752A 33 7.5 45 1000 0.25 5.0 25.1 27 135 1N4753A 36 7.0 50 1000 0.25 5.0 27.4 25 125 1N4754A 39 6.5 60 1000 0.25 5.0 29.7 23 115 1N4755A 43 6.0 70 1500 0.25 5.0 32.7 22 110 1N4756A 47 5.5 80 1500 0.25 5.0 35.8 19 95 1N4757A 51 5.0 95 1500 0.25 5.0 38.8 18 90 1N4758A 56 4.5 110 2000 0.25 5.0 42.6 16 80 1N4759A 62 4.0 125 2000 0.25 5.0 47.1 14 70 1N4760A 68 3.7 150 2000 0.25 5.0 51.7 13 65 1N4761A 75 3.3 175 2000 0.25 5.0 56.0 12 60 1N4762A 82 3.0 200 3000 0.25 5.0 62.2 11 55 1N4763A 91 2.8 250 3000 0.25 5.0 69.2 10 50 Z1250A 250 0.90 2000 9000 0.25 5.0 190 3.6 18 Z1270A 270 0.82 2100 9000 0.25 5.0 205 3.3 16 Z1300A 300 0.75 2300 9500 0.25 5.0 228 3.0 15 Notes : (1) The type number listed have a standard tolerance on the nominal zener voltage of ± 5%. (2) The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC Method Page 2 of 2 Rev. 05 : May 27, 2006 Type