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| * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES * LEADLESS PACKAGE FOR SURFACE MOUNT * 9.1 VOLT NOMINAL ZENER VOLTAGE + 5% * LOW CURRENT OPERATING RANGE: 0.5 and 1.0 mA * METALLURGICALLY BONDED * DOUBLE PLUG CONSTRUCTION CDLL4765 thru CDLL4774A 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 = 10 A @ 25C & VR = 6Vdc ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. ZENER VOLTAGE vz @ I ZT (Note 3) VOLTS CDLL4765 CDLL4765A CDLL4766 CDLL4766A CDLL4767 CDLL4767A CDLL4768 CDLL4768A CDLL4769 CDLL4769A CDLL4770 CDLL4770A CDLL4771 CDLL4771A CDLL4772 CDLL4772A CDLL4773 CDLL4773A CDLL4774 CDLL4774A 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 9.1 mA 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 ZENER TEST CURRENT I ZT MAXIMUM ZENER IMPEDANCE ZZT (Note 1) OHMS 350 350 350 350 350 350 350 350 350 350 200 200 200 200 200 200 200 200 200 200 MAXIMUM VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY V ZT MAXIMUM (Note 2) mV 68 141 34 70 14 28 6.8 14 3.4 7 68 141 34 70 14 28 6.8 14 3.4 7 0 -55 0 -55 0 -55 0 -55 0 -55 0 -55 0 -55 0 -55 0 -55 0 -55 C to to to to to to to to to to to to to to to to to to to to + + + + + + + + + + + + + + + + + + + + 75 100 75 100 75 100 75 100 75 100 75 100 75 100 75 100 75 100 75 100 % / C 0.01 0.01 0.005 0.005 0.002 0.002 0.001 0.001 0.0005 0.0005 0.01 0.01 0.005 0.005 0.002 0.002 0.001 0.001 0.0005 0.0005 EFFECTIVE TEMPERATURE COEFFICIENT TYPE NUMBERS DIM D F G G1 S 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. 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. 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. Zener voltage range equals 9.1 volts +5% NOTE 2 NOTE 3 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 CDLL4774A thru Pd, Rated Power Dissipation (mW) CDLL4765 600 500 400 300 200 100 0 0 25 50 75 100 125 150 175 TL, Ambient temperature (C) FIGURE 2 POWER DERATING CURVE 1000 500 ZENER IMPEDANCE ZZT (OHMS) 100 50 10 1 2 OPERATING CURRENT lZT (mA) 3 FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT +.0015 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) +.0010 +.0005 0 -.0005 -.0010 -.0015 0.5 1.0 1.5 OPERATING CURRENT lZT (mA) 2.0 FIGURE 3 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT |
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