1N4737A

1N47-SERIES ZENER DIODES Zener Voltage:3.3-100V Peak Pulse Power:1.0W FEATURE DO-41(GLASS) Low zener impedance Low regulation factor Glass passivated junction High temperature soldering guaranteed: 260 C/10S/9.5mm lead length at 5 lbs tension 1.10(27.9) MIN. 0.107(2.7) 0.080(2.0) 0.217 (5.51) 0.160(4.06) MECHANICAL DATA Case: JEDEC DO-41(GLASS) molded glass body Terminals: Plated axial leads, solderable per MIL-STD 750, method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.012 ounce,0.35 grams 1.10(27.9) MIN. 0.034(0.86) 0.028(0.71) Dimensions in inches and (millimeters) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. SYMBOLS VALUE UNITS Zener Current see Table Characteristics Power Dissipation at Tamb=25 C(Note 1) Junction Temperature Storage Temperature Range Thermal resistance junction ambient(Note 1) Forward voltage at IF=200mA Ptot Tj TSTG RqJA VF 1000 200 -65 to + 200 170 1.2 mW C C C/W V Note 1: Valid provided that leads at a distance of 10mm from case are kept at ambient temperature www.shunyegroup.com ELECTRICAL CHARACTERISTICS (at TA=25 C unless otherwise noted) Nominal Zener Voltage Vz@IZT Volts 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 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 Device Type Maximum Zener Maximum Reverse Test Leakage Current Impedance Current IZT @VR ZZT@IZT ZZT@IZK IR uA Ohms Ohms mA Volts 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 10 10 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 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 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 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 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 Max.Surge Current IR@25 C mA 1380 1260 1170 1085 965 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 Maximum Regulator 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 Note 1: Suffix “A” indicate +5% tolerance www.shunyegroup.com RATINGS AND CHARACTERISTIC CURVES 1N47 SERIES Breakdown characteristics mA 100 Iz,TEST CURRENT,MILLIAMPERS 5 10 15 20 25 30 V 80 60 40 20 0 Ptot,POWER DISSIPATION,WATTS 1N4728 1N4732 1N4731 Admissible power dissipation versus ambient temperature Valid provided that leads are kept at ambient temperature at a distance of 10mm from case W 1.0 0.8 0.6 0.4 0.2 0 1N4733 1N4735 1N4739 0 www.shunyegroup.com 1N4742 1N4741 Vz,ZENER VOLTAGE,volts AMBIENT TEMPERATURE, C 1N4744 100 1N4747 1N4748 200 1N4749 1N4750