1N4460-1N4496, 1N6485-1N6491 1.5 WATT GLASS ZENER DIODE High-reliability discrete products and engineering services since 1977 FEATURES Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number. Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Operating Temperature: -65 to +175°C Storage Temperature: -65 to +175°C Power Dissipation: 1.5 Watts @ TA = 25°C Thermal Resistance 42°C/W at 3/8 inch from body Forward Voltage 1.00 V at 200 mA and 1.5 V at 1.0 A ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Type Nominal Zener Voltage VZ Test Current IZT Maximum Dynamic Impedance ZZT @ IZT Maximum Knee Impedance ZZK @ IZK Maximum Reverse Current IR @ VR Maximum Continuous Current IZM Surge Current 8.3 ms sq wave IZSM Volts mA Ohms Ohms mA µA Volts mA Amps 1N6485 3.3 76.0 10 400 1.0 50 1.0 433 4.2 1N6486 3.6 69.0 10 400 1.0 50 1.0 397 3.9 1N6487 3.9 64.0 9 400 1.0 35 1.0 366 3.6 1N6488 4.3 58.0 9 400 1.0 5.0 1.0 366 3.6 1N6489 4.7 53.0 8 500 1.0 4.0 1.0 304 3.0 1N6490 5.1 49.0 7 500 1.0 1.0 1.0 280 2.7 1N6491 5.6 45.0 5 600 1.0 .5 2.0 255 2.5 1N4460 6.2 40.0 4 200 1.0 10.0 3.72 230 2.3 1N4461 6.8 37.0 2.5 200 1.0 5.0 4.08 210 2.1 1N4462 7.5 34.0 2.5 400 .50 1.0 4.50 191 1.9 1N4463 8.2 31.0 3 400 .50 .50 4.92 174 1.7 1N4464 9.1 28.0 4 500 .50 .30 5.46 157 1.6 1N4465 10.0 25.0 5 500 .25 .30 8.00 143 1.4 1N4466 11.0 23.0 6 550 .25 .30 8.80 130 1.3 1N4467 12.0 21.0 7 550 .25 .20 9.60 119 1.2 1N4468 13.0 19.0 8 550 .25 .05 10.40 110 1.1 1N4469 15.0 17.0 9 600 .25 .05 12.00 95 .95 1N4470 16.0 15.5 10 600 .25 .05 12.80 90 .80 1N4471 18.0 14.0 11 650 .25 .05 14.40 79 .79 1N4472 20.0 12.5 12 650 .25 .05 16.00 71 .71 1N4473 22.0 11.5 14 650 .25 .05 17.60 65 .65 1N4474 24.0 10.5 16 700 .25 .05 19.20 60 .60 1N4475 27.0 9.5 18 700 .25 .05 21.60 53 .53 1N4476 30.0 8.5 20 750 .25 .05 24.00 48 .48 1N4477 33.0 7.5 25 800 .25 .05 26.40 43 .43 Rev. 20120705 1N4460-1N4496, 1N6485-1N6491 1.5 WATT GLASS ZENER DIODE High-reliability discrete products and engineering services since 1977 ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Type Nominal Zener Voltage VZ Test Current IZT Maximum Dynamic Impedance ZZT @ IZT Maximum Knee Impedance ZZK @ IZK Maximum Reverse Current IR @ VR Maximum Continuous Current IZM Surge Current 8.3 ms sq wave IZSM Volts mA Ohms Ohms mA µA Volts mA Amps 1N4478 36.0 7.0 27 850 .25 .05 28.80 40 .40 1N4479 39.0 6.5 30 900 .25 .05 31.2 37 .37 1N4480 43.0 6.0 40 950 .25 .05 34.4 33 .33 1N4481 47.0 5.5 50 1000 .25 .05 37.6 30 .30 1N4482 51.0 5.0 60 1100 .25 .05 40.8 28 .28 1N4483 56.0 4.5 70 1300 .25 .25 44.8 26 .26 1N4484 62.0 4.0 80 1500 .25 .25 49.6 23 .23 1N4485 68.0 3.7 100 1700 .25 .25 54.4 21 .21 1N4486 75.0 3.3 130 2000 .25 .25 60.4 19 .19 1N4487 82.0 3.0 160 2500 .25 .25 65.6 17 .17 1N4488 91.0 2.8 200 3000 .25 .25 72.8 16 .16 1N4489 100.0 2.5 250 3100 .25 .25 80.0 14 .14 1N4490 110.0 2.0 300 4000 .25 .25 88.0 13 .13 1N4491 120.0 2.0 400 4500 .25 .25 96.0 12 .12 1N4492 130.0 1.9 500 5000 .25 .25 104.0 11 .11 1N4493 150.0 1.7 700 6000 .25 .25 120.0 9.5 .095 1N4494 160.0 1.6 1000 6500 .25 .25 128.0 8.9 .089 1N4495 180.0 1.4 1300 7000 .25 .25 144.0 7.9 .079 1N4496 200.0 1.2 1500 8000 .25 .25 160.0 7.2 .072 Standard tolerance is 5%. Available in ±2%(C) tolerance and ±1%(D) tolerance. Rev. 20120705 High-reliability discrete products and engineering services since 1977 1N4460-1N4496, 1N6485-1N6491 1.5 WATT GLASS ZENER DIODE MECHANICAL CHARACTERISTICS Case: Digi A Marking: Body painted, alpha-numeric Polarity: Cathode band TYPICAL TEMPERATURE COEFFICIENT CHARACTERISTICS POWER TEMPERATURE DERATING CURVE Rev. 20120705