CD752A

• 1N746A THRU 1N759A AVAILABLE IN JANHC AND JANKC PER MIL-PRF-19500/127 • 1N4370A THRU 1N4372A AVAILABLE IN JANHC AND JANKC PER MIL-PRF-19500/127 • ZENER DIODE CHIPS • 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING • COMPATIBLE WITH ALL WIRE BONDING DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW CD746A thru CD759A and CD4370A thru CD4372A 23 MILS 15 MILS MAXIMUM RATINGS 15 MILS 23 MILS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C Forward Voltage @ 200mA: 1.5 volts maximum ELECTRICAL CHARACTERISTICS @ 25°C CDI NOMINAL ZENER MAXIMUM TYPE ZENER TEST ZENER REVERSE CURRENT MAXIMUM MAXIMUM ZENER NUMBER VOLTAGE CURRENT IMPEDANCE IR @ VR CURRENT V @I Z ZT (NOTE 2) I ZT (NOTE 1) VOLTS mA OHMS µA VOLTS mA (NOTE 3) Z ZT 1 ZM @I ZT Backside is Cathode CD4370A 2.4 20 30 100 1.0 155 CD4371A 2.7 20 30 75 1.0 140 CD4372A 3.0 20 29 50 1.0 125 CD746A 3.3 20 28 10 1.0 120 CD747A 3.6 20 24 5 1.0 110 CD748A 3.9 20 23 5 1.0 100 CD749A 4.3 20 22 2 1.0 90 CD750A 4.7 20 19 5 1.5 85 CD751A 5.1 20 17 5 2.0 75 CD752A 5.6 20 11 5 2.5 70 CD753A 6.2 20 7 5 3.5 65 CD754A 6.8 20 5 2 4.0 60 CD755A 7.5 20 6 2 5.0 55 CD756A 8.2 20 8 1 6.0 50 CD757A 9.1 20 10 1 7.0 45 CD758A 10.0 20 17 1 8.0 40 CD759A 12.0 20 30 1 9.0 35 NOTE 1 Zener voltage range equals nominal voltage +5% for “A” Suffix types. No Suffix denotes + 10%. "C" suffix = + 2% and "D" suffix = + 1%. NOTE 2 Zener voltage is read using a pulse measurement, 10 milliseconds maximum. NOTE 3 Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to 10% of 1ZT. FIGURE 1 DESIGN DATA METALLIZATION: Top: (Anode).....................Al Back: (Cathode)..................Au AL THICKNESS.......25,000 Å Min GOLD THICKNESS...4,000 Å Min CHIP THICKNESS.............10 Mils CIRCUIT LAYOUT DATA: 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 CD746A thru CD759A CD4370A and thru CD4372A 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