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* ZENER DIODE CHIPS * ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE * ELECTRICALLY EQUIVALENT TO 1N5221B THRU 1N5272B * 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING * COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW
CD5221B thru CD5272B
ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified
NOMINAL ZENER VOLTAGE (Note 1) VZ @ lZT VOLTS CD5221B CD5222B CD5223B CD5224B CD5225B CD5226B CD5227B CD5228B CD5229B CD5230B CD5231B CD5232B CD5233B CD5234B CD5235B CD5236B CD5237B CD5238B CD5239B CD5240B CD5241B CD5242B CD5243B CD5244B CD5245B CD5246B CD5247B CD5248B CD5249B CD5250B CD5251B CD5252B CD5253B CD5254B CD5255B CD5256B CD5257B CD5258B CD5259B CD5260B CD5261B CD5262B CD5263B CD5264B CD5265B CD5266B CD5267B CD5268B CD5269B CD5270B CD5271B CD5272B 2.4 2.5 2.7 2.8 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 56 60 62 68 75 82 87 91 100 110 MAXIMUM ZENER IMPEDANCE (Note 2) ZZT @ lZT ZZK@lZK=0.25mA OHMS OHMS 30 30 30 30 29 28 24 23 22 19 17 11 7.0 7.0 5.0 6.0 8.0 8.0 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 49 58 70 80 93 105 125 150 170 185 230 270 330 370 400 500 750 1200 1250 1300 1400 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 700 700 800 900 1000 1100 1300 1400 1400 1600 1700 2000 2200 2300 2600 3000 MAXIMUM REVERSE CURRENT lR @ VR
23 MILS 15 MILS
TYPE NUMBER
TEST CURRENT lZT mA 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.1 2.0 1.8 1.7 1.5 1.4 1.4 1.3 1.1
A
100 100 75 75 50 25 15 10 5.0 5.0 5.0 5.0 5.0 5.0 3.0 3.0 3.0 3.0 3.0 3.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
VOLTS 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 3.0 3.5 4.0 5.0 6.0 6.5 6.5 7.0 8.0 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 23 25 27 30 33 36 39 43 46 47 52 56 62 68 69 76 84
BACKSIDE IS CATHODE
FIGURE 1
DESIGN DATA
METALLIZATION: Top: (Anode)......................Al Back: (Cathode)................Au AL THICKNESS..............25,000 A Min GOLD THICKNESS... .......4,000 A 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
15 MILS
23 MILS
CD5221B
thru
CD5272B
1000
500 400 300
MAXIMUM RATINGS
ZENER IMPEDANCE ZZT (OHMS) Operating Temperature: -65C to +175C Storage Temperature: -65C to +175C Forward Voltage @ 200 mA: 1.5 Volts maximum
200 100 50 40 30 20 10 5 4 3 2 1 .1 .2 .5 1 2
3.3 VOLT 5.1 VOLT
6.2 VOLT
5
10
20
50
100
OPERATING CURRENT IZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
1000
500 400 300 200 ZENER IMPEDANCE ZZT (OHMS)
3. 3
VO LT
27
100
VO LT
1 5. LT VO
50 40 30 20
11
VO
LT
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. NOTE 2 Zener impedance is derived by superimposing on lZTA 60 Hz rms a.c. current equal to 10% of lZT NOTE 3 Zener voltage is read using a pulse measment, 10 miliseconds maximum.
10
5 4 3 2
6.2 VO LT
1 .1 .2 .3 .4 .5 1 25 10 20 OPERATING CURRENT lZT (mA) 30 40 50 100
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT

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