1N4728A THRU 1N4764A FRONTIER ELECTRONICS CO., LTD. 1WATT ZENER DIODE FEATURES ! LOW COST ! SMALL SIZE 1.0(25.4) MIN MECHANICAL DATA ! CASEDO-41 ! TERMINALSAXIAL LEADS,SOLDERABLE PER MIL-STD -202, METHOD 208 ! POLARITYCOLOR BAND DENOTES CATHODE ! MOUNTING POSITIONANY ! WEIGHT0.34 GRAMS CASE-DO41 .205(5.2) .166(4.2) .107(2.7) .080(2.0) 1.0(25.4) MIN .034(0.9) .028(0.7) DIMENSIONS IN INCHES AND (MILLIMETERS) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED STORAGE AND OPERATING TEMPERATURE RANGE -55 TO + 150 ELECTRICAL CHARACTERISTICS (TA=25 UNLESS OTHERWISE NOTED) VF=1.2V MAX, IF = 200mA FOR ALL TYPES NOMINAL MAXIMUM ZENER IMPEDANCE LEAKAGE CURRENT TEST ZENER CURRENT JEDEC VOLTAGE IR VR ZZT @ IZT ZZK @ IZK IZK IZT TYPE NO VZ@ IZT OHMS OHMS mA VOLTS A MAX mA VOLTS 1 100 1 400 10 76 3.3 1N4728A 1 100 1 400 10 69 3.6 1N4729A 1 50 1 400 9 64 3.9 1N4730A 1 10 1 400 9 58 4.3 1N4731A 1 10 1 500 8 53 4.7 1N4732A 1 10 1 550 7 49 5.1 1N4733A 2 10 1 600 5 45 5.6 1N4734A 3 10 1 700 2 41 6.2 1N4735A 4 10 1 700 3.5 37 6.8 1N4736A 5 10 0.5 700 4 34 7.5 1N4737A 6 10 0.5 700 4.5 31 8.2 1N4738A 7 10 0.5 700 5 28 9.1 1N4739A 7.6 10 0.25 700 7 25 10 1N4740A 8.4 5 0.25 700 8 23 11 1N4741A 9.1 5 0.25 700 9 21 12 1N4742A 9.9 5 0.25 700 10 19 13 1N4743A 11.4 5 0.25 700 14 17 15 1N4744A 12.2 5 0.25 700 16 15.5 16 1N4745A 13.7 5 0.25 750 20 14 18 1N4746A 15.2 5 0.25 750 22 12.5 20 1N4747A 16.7 5 0.25 750 23 11.5 22 1N4748A 18.2 5 0.25 750 25 10.5 24 1N4749A 20.6 5 0.25 750 35 9.5 27 1N4750A 22.8 5 0.25 1000 40 8.5 30 1N4751A 25.1 5 0.25 1000 45 7.5 33 1N4752A 27.4 5 0.25 1000 50 7 36 1N4753A 29.7 5 0.25 1000 60 6.5 39 1N4754A 32.7 5 0.25 1500 70 6 43 1N4755A 35.8 5 0.25 1500 80 5.5 47 1N4756A 38.8 5 0.25 1500 95 5 51 1N4757A 42.6 5 0.25 2000 110 4.5 56 1N4758A 47.1 5 0.25 2000 125 4 62 1N4759A 51.7 5 0.25 2000 150 3.7 68 1N4760A 56 5 0.25 2000 175 3.3 75 1N4761A 62.2 5 0.25 3000 200 3 82 1N4762A 69.2 5 0.25 3000 250 2.8 91 1N4763A 76 5 0.25 3000 350 2.5 100 1N4764A NOTESUFFIX "A" FOR 5 11-5 SURGE CURRENT @ TA=25 IRmA 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 FIG.1A- Range for Units to 12 Volts VZ, TEMPERATURE COEFFICIENT ) ( mV/ VZ, TEMPERATURE COEFFICIENT ) ( mV/ RATINGS AND CHARACTERISTIC CURVES 1N4728A THRU 1N4764A +12 +10 +8 +6 +4 +2 0 VZIZT RANGE -2 -4 2 3 4 5 6 7 8 9 10 FIG.1B- Range for Units to 12 to 100 100 70 50 30 20 10 7 5 3 2 VZIZT RANGE 1 11 12 10 20 30 50 70 100 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) VZ, TEMPERATURE COEFFICIENT ) ( mV/ Figure 2. Temperature Coefficients (-55 to+150 temperature change;90% of the units are in the ranges indicated.) 175 JL, JUMCTION TO LEAD THERMAL 150 125 100 75 50 25 0 +6 VZIZ TA=25 +4 20mA +2 0.01mA 0 1mA -2 NOTE:BELOW 3 VOLTS AAND ABOCE 8 VOLTS CHANGES IN ZENER CURRENT DO NOT -4 3 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 10 L, LEAD LENGTH TO HEAT SINK (INCHES) 7 8 Figure 4. Effect of Zener Current C, CAPACITANCE (PF) 100 70 50 20 5mA 20mA 10 7 5 2 1 0VBIAS 100 0VBIAS 50 20 10 8 50%OF BREAKDOWNBIAS 4 1 2 3 5 7 10 20 30 50 70 100 1 VZ, ZENER CURRENT (mA) 2 5 1.2 5 1.0 0.7 5 0.5 0 10 20 VZ, NOMINAL VZ (VOLTS) Figure. 7 - Power Temperature Derating Curve PD ,MAXIMUM DISSIPATION (WATTS) ZZDYNAMIC IMPEDANCE (OHNS) 200 6 400 300 200 Tj=25 Iz(ms)=0.1Iz(do) f=60hz Iz=1mA 5 VZ, ZENER VOLTAGE (VOLTS) Figure 3. Typical Thermal Resistance versus Lead 1000 700 500 4 20 40 60 80 100 120 140 160 TL, LEAD TEMPERATURE (OC) 11-6 180 200 50 100