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| * TEMPERATURE COMPENSATED ZENER REFERENCE DIODES * LEADLESS PACKAGE FOR SURFACE MOUNT * 8.5 VOLT NOMINAL ZENER VOLTAGE + 5% * LOW CURRENT RANGE: 0.5 TO 1.0 mA * METALLURGICALLY BONDED * DOUBLE PLUG CONSTRUCTION CDLL4775 thru CDLL4784A 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. CDI TYPE NUMBER ZENNER VOLTAGE VZ @ I ZT (Note 3) VOLTS CDLL4775 CDLL4775A CDLL4776 CDLL4776A CDLL4777 CDLL4777A CDLL4778 CDLL4778A CDLL4779 CDLL4779A CDLL4780 CDLL4780A CDLL4781 CDLL4781A CDLL4782 CDLL4782A CDLL4783 CDLL4783A CDLL4784 CDLL4784A 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 8.5 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 VOLTAGE TEMPERATURE DYNAMIC TEMPERATURE RANGE IMPEDANCE STABILITY ZZT V ZT MAXIMUM (Note 1) OHMS 200 200 200 200 200 200 200 200 200 200 100 100 100 100 100 100 100 100 100 100 (Note 2) mV 64 132 32 66 13 26 6.4 13 3.2 6.6 64 132 32 66 13 26 6.4 13 3.2 6.6 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 0.01 0.01 0.0005 0.0005 EFFECTIVE TEMPERATURE COEFFICIENT 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 8.5 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 CDLL4775 thru CDLL4784A 600 Pd, Rated Power Dissipation (mW) 500 400 300 200 100 0 0 25 50 75 100 125 150 175 TL, Ambient temperature (C) FIGURE 2 POWER DERATING CURVE +.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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