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| * AVAILABLE IN JAN, JANTX, PER MIL-PRF-19500/406 * 1.5 WATT ZENER DIODES * NON CAVITY CONSTRUCTION * METALLURGICALLY BONDED JANTXV, AND JANS 1N6485 THRU 1N6491 AND 1N4460 AND 1N4461 MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +200C Power Dissapation: 1.5W @ TA=+25C Power Derating: 10mW/C above TA=+25C Forward Voltage: 1.0 V dc @ IF=200mA dc 1.5 V dc @ IF=1A dc 0.060/0.085 1.52/2.16 POLARITY BAND (CATHODE) 0.125/0.160 3.18/4.06 0.800 20.32 0.028/0.032 0.71/0.81 ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified ZENER TEST DYNAMIC KNEE TEST REVERSE TEST MAXIMUM VZ (REG) MAXIMUM VOLTAGE CURRENT IMPEDENCE IMPEDENCE CURRENT CURRENT VOLTAGE CURRENT VZ SURGE 5% IZT (MAX.) (MAX.) IZK (MAX.) VR IZM VZ ZZT@IZT ZZK@IZT IR@VR A VOLTS mA OHMS OHMS mA VOLTS MA VOLTS AMPS 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 76.0 69.0 64.0 58.0 53.0 49.0 45.0 40.0 37.0 10 10 9 9 8 7 5 4 2.5 400 400 400 400 500 500 600 200 200 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 50 50 35 5.0 4.0 1.0 0.5 10.0 5.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.72 4.08 433 397 366 332 304 280 255 230 210 .90 .80 .75 .70 .60 .50 .40 .35 .30 4.2 3.9 3.6 3.3 3.0 2.7 2.5 2.3 2.1 TYPE FIGURE 1 1N6485 1N6486 1N6487 1N6488 1N6489 1N6490 1N6491 1N4460 1N4461 DESIGN DATA CASE: Hermetically sealed, Glass "A" Body per MIL-PRF- 19500/406 D-5A LEAD MATERIAL: Copper clad steel LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJL): 42 C/W maximum at L = .375 THERMAL IMPEDANCE: (ZOJX): 4.5 C/W maximum POLARITY: Diode to be operated with the banded (cathode) end positive. NOTE: Zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25C 3C. MOUNTING POSITION: Any 6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (781) 689-0803 WEBSITE: http://www.microsemi.com 71 1N6485 thru 1N6491 and 1N4460 and 1N4461 FIGURE 2 Pd. Power Dissipation (WATTS) 1.5 1.0 O.5 0 25 50 75 100 125 150 TA, AMBIENT TEMPERATURE (C) 175 POWER DERATING CURVE 1000 500 400 300 200 ZENER IMPEDANCE ZZT (OHMS) 100 50 40 30 20 10 5 4 3 2 1 .1 .2 .5 1 2 5 10 20 50 100 OPERATING CURRENT IZT (mA) 3.3 VOLT 5.1 VOLT 6.2 VOLT FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT 72 |
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