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| * 1N821UR-1, 1N823UR-1, 1N825UR-1, 1N827UR-1 AND 1N829UR-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/159 * TEMPERATURE COMPENSATED ZENER DIODES * LEADLESS PACKAGE FOR SURFACE MOUNT * 6.2 AND 6.55 VOLT NOMINAL ZENER VOLTAGES * METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION 1N821UR-1 thru 1N829UR-1 and CDLL821 thru CDLL829A MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C DC Power Dissipation: 500mW @ +50C Power Derating: 4 mW / C above +50C REVERSE LEAKAGE CURRENT lR = 2 A @ 25C & VR = 3 Vdc ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. DIM D F G G1 S CDI TYPE NUMBER ZENER VOLTAGE VZ @ I ZT ZENER TEST CURRENT I ZT MAXIMUM ZENER IMPEDANCE (Note 1) Z ZT VOLTAGE TEMPERATURE STABILITY V ZT -55 to +100 (Note 2) EFFECTIVE TEMPERATURE COEFFICIENT MILLIMETERS INCHES MIN MAX MIN MAX 1.60 1.70 0.063 0.067 0.41 0.55 0.016 0.022 3.30 3.70 .130 .146 2.54 REF. .100 REF. 0.03 MIN. .001 MIN. VOLTS CDLL821 CDLL821A CDLL822 CDLL823 CDLL823A CDLL824 CDLL825 CDLL825A CDLL826 CDLL827 CDLL827A CDLL828 CDLL829 CDLL829A 5.9 - 6.5 5.9 - 6.5 5.9 - 6.5 5.9 - 6.5 5.9 - 6.5 5.9 - 6.5 5.9 - 6.5 5.9 - 6.5 6.2 - 6.9 5.9 - 6.5 5.9 - 6.5 6.2 - 6.9 5.9 - 6.5 5.9 - 6.5 mA 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 OHMS 15 10 15 15 10 15 15 10 15 15 10 15 15 10 mV 96 96 96 48 48 48 19 19 20 9 9 10 5 5 % / C 0.01 0.01 0.01 0.005 0.005 0.005 0.002 0.002 0.002 0.001 0.001 0.001 0.0005 0.0005 FIGURE 1 DESIGN DATA CASE: DO-213AA, Hermetically sealed glass case. (MELF, SOD-80, LL34) LEAD FINISH: Tin / Lead POLARITY: Diode to be operated with the banded (cathode) end positive. MOUNTING POSITION: Any. MOUNTING SURFACE SELECTION: The Axial Coefficient of Expansion (COE) Of this Device is Approximately +6PPM/C. The COE of the Mounting Surface System Should Be Selected To Provide A Suitable Match With This Device. Double Anode: Electrical Specifications Apply Under Both Bias Polarities. NOTE 1 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equal to 10% of lZT. The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV at any discrete temperature between the established limits, per JEDEC standard No.5. NOTE 2 6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (978) 689-0803 WEBSITE: http://www.microsemi.com 95 CDLL821 thru CDLL829A 500 Pd, Rated Power Dissipation (mW) 600 500 400 300 200 100 0 0 25 50 75 100 125 150 175 TL, Ambient temperature (C) ZENER IMPEDANCE ZZT (OHMS) 100 50 10 5 FIGURE 2 POWER DERATING CURVE 1 5 6 7 8 9 10 OPERATING CURRENT lZT (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT CHANGE IN TEMPERATURE COEFFICIENT ( %/C) +.0010 +.0005 0 -.0005 -.0010 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 OPERATING CURRENT lZT (mA) 9.5 FIGURE 4 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT 96 |
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