* AVAILABLE IN JAN, JANTX, PER MIL-PRF-19500/406 1N6485 THRU 1N6491 AND 1N4460 AND 1N4461 JANTXV, AND JANS * 1.5 WATT ZENER DIODES * NON CAVITY CONSTRUCTION * METALLURGICALLY BONDED 0.060/0.085 MAXIMUM RATINGS 1.52/2.16 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 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 TYPE 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 FIGURE 1 VOLTS mA OHMS OHMS mA A VOLTS MA VOLTS AMPS 1N6485 1N6486 1N6487 1N6488 3.3 3.6 3.9 4.3 76.0 69.0 64.0 58.0 10 10 9 9 400 400 400 400 1.0 1.0 1.0 1.0 50 50 35 5.0 1.0 1.0 1.0 1.0 433 397 366 332 .90 .80 .75 .70 4.2 3.9 3.6 3.3 DESIGN DATA 1N6489 1N6490 1N6491 1N4460 1N4461 4.7 5.1 5.6 6.2 6.8 53.0 49.0 45.0 40.0 37.0 8 7 5 4 2.5 500 500 600 200 200 1.0 1.0 1.0 1.0 1.0 4.0 1.0 0.5 10.0 5.0 1.0 1.0 2.0 3.72 4.08 304 280 255 230 210 .60 .50 .40 .35 .30 3.0 2.7 2.5 2.3 2.1 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. MOUNTING POSITION: Any 22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail: mail@cdi-diodes.com 1N6485 1N6491 thru and 1N4460 and 1N4461 Pd. Power Dissipation (WATTS) FIGURE 2 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 3.3 VOLT ZENER IMPEDANCE ZZT (OHMS) 200 100 5.1 VOLT 50 40 30 20 10 5 4 6.2 VOLT 3 2 1 .1 .2 .5 1 2 5 10 20 50 100 OPERATING CURRENT IZT (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT