• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE CD5221B thru • ELECTRICALLY EQUIVALENT TO 1N5221B THRU 1N5272B CD5272B • ZENER DIODE CHIPS • 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING • COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified NOMINAL ZENER VOLTAGE (Note 1) VZ @ lZT TEST CURRENT lZT VOLTS mA CD5221B CD5222B CD5223B CD5224B CD5225B 2.4 2.5 2.7 2.8 3.0 20 20 20 20 20 30 30 30 30 29 1200 1250 1300 1400 1600 CD5226B CD5227B CD5228B CD5229B CD5230B 3.3 3.6 3.9 4.3 4.7 20 20 20 20 20 28 24 23 22 19 1600 1700 1900 2000 1900 25 15 10 5.0 5.0 1.0 1.0 1.0 1.0 2.0 CD5231B CD5232B CD5233B CD5234B CD5235B 5.1 5.6 6.0 6.2 6.8 20 20 20 20 20 17 11 7.0 7.0 5.0 1600 1600 1600 1000 750 5.0 5.0 5.0 5.0 3.0 2.0 3.0 3.5 4.0 5.0 CD5236B CD5237B CD5238B CD5239B CD5240B 7.5 8.2 8.7 9.1 10 20 20 20 20 20 6.0 8.0 8.0 10 17 500 500 600 600 600 3.0 3.0 3.0 3.0 3.0 6.0 6.5 6.5 7.0 8.0 CD5241B CD5242B CD5243B CD5244B CD5245B 11 12 13 14 15 20 20 9.5 9.0 8.5 22 30 13 15 16 600 600 600 600 600 2.0 1.0 0.5 0.1 0.1 8.4 9.1 9.9 10 11 CD5246B CD5247B CD5248B CD5249B CD5250B 16 17 18 19 20 7.8 7.4 7.0 6.6 6.2 17 19 21 23 25 600 600 600 600 600 0.1 0.1 0.1 0.1 0.1 12 13 14 14 15 CD5251B CD5252B CD5253B CD5254B CD5255B 22 24 25 27 28 5.6 5.2 5.0 4.6 4.5 29 33 35 41 44 600 600 600 600 600 0.1 0.1 0.1 0.1 0.1 17 18 19 21 21 CD5256B CD5257B CD5258B CD5259B CD5260B 30 33 36 39 43 4.2 3.8 3.4 3.2 3.0 49 58 70 80 93 600 700 700 800 900 0.1 0.1 0.1 0.1 0.1 23 25 27 30 33 CD5261B CD5262B CD5263B CD5264B CD5265B 47 51 56 60 62 2.7 2.5 2.2 2.1 2.0 105 125 150 170 185 1000 1100 1300 1400 1400 0.1 0.1 0.1 0.1 0.1 36 39 43 46 47 CD5266B CD5267B CD5268B CD5269B CD5270B 68 75 82 87 91 1.8 1.7 1.5 1.4 1.4 230 270 330 370 400 1600 1700 2000 2200 2300 0.1 0.1 0.1 0.1 0.1 52 56 62 68 69 CD5271B CD5272B 100 110 1.3 1.1 500 750 2600 3000 0.1 0.1 76 84 MAXIMUM REVERSE CURRENT 23 MILS 15 MILS lR @ VR 100 100 75 75 50 VOLTS 23 MILS µA 1.0 1.0 1.0 1.0 1.0 15 MILS TYPE NUMBER MAXIMUM ZENER IMPEDANCE (Note 2) ZZT @ lZT ZZK@lZK=0.25mA OHMS OHMS BACKSIDE IS CATHODE 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: [email protected] CD5221B thru CD5272B 1000 500 400 300 3.3 VOLT 200 ZENER IMPEDANCE ZZT (OHMS) MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C Forward Voltage @ 200 mA: 1.5 Volts maximum 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 1000 500 400 300 3. 3 VO LT 27 100 VO LT 1 5. NOTE 1 Zener voltage range equals “nominal Zener voltage” (see table) + 5%, for “B” Suffix types. “A” Suffix denotes + 10%. No Suffix denotes + 20%. "C" suffix = + 2% tolerance and "D" suffix = + 1% tolerance. LT VO ZENER IMPEDANCE ZZT (OHMS) 200 50 40 30 11 20 VO LT 10 NOTE 2 Zener impedance is derived by superimposing on lZTA 60 Hz rms a.c. current equal to 10% of lZT 6.2 VO LT 5 4 3 NOTE 3 Zener voltage is read using a pulse measment, 10 miliseconds maximum. 2 1 .1 .2 .3 .4 .5 1 2 5 10 20 OPERATING CURRENT lZT (mA) 30 40 50 100 FIGURE 3 ZENER IMPEDANCE VS. OPERATING CURRENT