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| * MONOLITHIC TEMPERATURE COMPENSATED ZENER REFERENCE CHIPS * ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE * 8.4 VOLT NOMINAL ZENER VOLTAGE + 5% * ELECTRICALLY SIMILAR TO 1N3154 THRU 1N3156 * COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW CD3154 thru CD3156 38 MILS 23 MILS MAXIMUM RATINGS Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C 38 MILS 10 MILS 23 MILS FIGURE 1 ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified. MAXIMUM MAXIMUM VOLTAGE TEMPERATURE ZENER TEMPERATURE RANGE IMPEDANCE STABILITY ZZT V ZT MAXIMUM (Note 1) VOLTS CD3154 CD3155 CD3156 8.00-8.80 8.00-8.80 8.00-8.80 mA 10 10 10 OHMS 25 25 25 (Note 2) mV 130 65 26 C -55 to + 100 -55 to + 100 -55 to + 100 % / C 0.01 0.005 0.002 JEDEC TYPE NUMBER ZENER VOLTAGE V @I ZT ZT ZENER TEST CURRENT I ZT EFFECTIVE TEMPERATURE COEFFICIENT DESIGN DATA METALLIZATION: Top: C (Cathode) .............Al A (Anode) ................Al Back:.................................Au AL THICKNESS.......25,000 A Min GOLD THICKNESS...4,000 A Min CHIP THICKNESS.............10 Mils NOTE 1 Zener impedance is derived by superimposing on lZT @ 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 CIRCUIT LAYOUT DATA: Backside must be electrically isolated. Backside is not cathode. For Zener operation cathode must be operated positive with respect to anode. TOLERANCES: ALL Dimensions + 2 mils 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 11 MILS CD3154 thru CD3156 Pd, Rated Power Dissipation (mW) 600 500 400 300 200 100 0 0 25 50 75 100 125 150 175 TL, Ambient temperature (C) 100 FIGURE 2 POWER DERATING CURVE ZENER IMPEDANCE ZZT (OHMS) 50 10 5 1 8 9 10 11 12 13 OPERATING CURRENT lZT (mA) FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT +.0015 CHANGE IN TEMPERATURE COEFFICIENT ( %/C) +.0010 +.0005 0 -.0005 -.0010 -.0015 6 8 10 12 OPERATING CURRENT lZT (mA) 14 FIGURE 4 TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT |
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