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CD957B Dataheets PDF



Part Number CD957B
Manufacturers Aeroflex
Logo Aeroflex
Description Zener Diode Chip
Datasheet CD957B DatasheetCD957B Datasheet (PDF)

Zener Diode Chip Series CD957B thru CD986B Available in JANHC and JANKC per MIL-PRF-19500/117 Features • 0.5 Watt capability with proper heat sinking • Electrically equivalent to IN957B thru IN986B • All junctions completely protected with silicon dioxide • Compatible with all wire bonding and die attach techniques Maximum Ratings Operating Temperature: Storage Temperature: Forward Voltage @ 200mA: -65°C to +175°C -65°C to +175°C 1.5 volts maximum Electrical Specifications @ +25 ºC (Unless Ot.

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Zener Diode Chip Series CD957B thru CD986B Available in JANHC and JANKC per MIL-PRF-19500/117 Features • 0.5 Watt capability with proper heat sinking • Electrically equivalent to IN957B thru IN986B • All junctions completely protected with silicon dioxide • Compatible with all wire bonding and die attach techniques Maximum Ratings Operating Temperature: Storage Temperature: Forward Voltage @ 200mA: -65°C to +175°C -65°C to +175°C 1.5 volts maximum Electrical Specifications @ +25 ºC (Unless Otherwise Specified) TYPE NUMBER CD957B CD958B CD959B CD960B CD961B CD962B CD963B CD964B CD965B CD966B CD967B CD968B CD969B CD970B CD971B CD972B CD973B CD974B CD975B CD976B CD977B CD978B CD979B CD980B CD981B CD982B CD983B CD984B CD985B CD986B NOMINAL ZENER VOLTAGE VZ (NOTE 1) VOLTS 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 ZENER TEST CURRENT l ZT mA 18.5 16.5 15.0 14.0 12.5 11.5 10.5 9.5 8.5 7.8 7.0 6.2 5.6 5.2 4.6 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.0 1.8 1.7 1.5 1.4 1.3 1.1 MAXIMUM ZENER IMPEDANCE (NOTE 2) ZZT @ l ZT OHMS 4.5 5.5 6.5 7.5 8.5 9.5 11.5 13 16 17 21 25 29 33 41 49 58 70 90 93 105 125 150 185 230 270 330 400 500 750 ZZK @ l ZK OHMS mA 700 1.0 700 0.5 700 0.5 700 0.5 700 0.25 700 0.25 700 0.25 700 0.25 700 0.25 700 0.25 750 0.25 750 0.25 750 0.25 750 0.25 750 0.25 1000 1000 1000 1000 1500 0.25 0.25 0.25 0.25 0.25 1500 1500 2000 2000 2000 0.25 0.25 0.25 0.25 0.25 2000 3000 3000 3000 4000 0.25 0 .25 0.25 0.25 0.25 MAXIMUM DC ZENER CURRENT l ZM mA 55 50 45 41 38 32 31 28 25 24 20 18 16 15 13 12 11 10 9.5 8.8 7.9 7.4 6.8 6.0 5.5 5.0 4.6 4.1 3.7 3.3 MAXIMUM REVERSE LEAKAGE CURRENT lR @ VR μ A VOLTS 5.0 5.2 5.0 5.7 5.0 6.2 5.0 6.9 2.0 7.6 1.0 8.4 1.0 9.1 0.5 9.9 0.5 11 0.5 12 0.5 14 0.5 15 0.5 17 0.5 18 0.5 21 0.5 23 0.5 25 0.5 27 0.5 30 0.5 33 0.5 36 0.5 39 0.5 43 0.5 47 0.5 52 0.5 56 0.5 62 0.5 69 0.5 76 0.5 84 NOTE 1 NOTE 2 Zener voltage range equals nominal voltage + 5% for “B” Suffix. “A” Suffix denotes + 10%, No Suffix denotes + 20%. "C" suffix = + 2% and "D" suffix = + 1%. Zener voltage is read using a pulse measurement, 10 milliseconds maximum. Zener impedance is derived by superimposing on IZT a 60Hz rms a.c. current equal to 10% of IZT. Revision Date: 12/13/2011 New Product 1 Outline Drawing Anode CD957B thru CD986B DESIGN DATA METALLIZATION: Top: (Anode) Al Back: (Cathode) Au AL THICKNESS: 25,000 Å Minimum GOLD THICKNESS: 4,000 Å Minimum CHIP THICKNESS: 10 Mils CIRCUIT LAYOUT DATA: For Zener operation, cathode must be operated positive with respect to anode. Graphs ZENER IMPEDANCE ZZT (OHMS) 1000 500 400 300 200 100 50 40 30 20 10 5 4 3 2 27 VOLT 3.3 VOLT 5.1 VOLT 11 VOLT 6.2 VOLT 1 .1 .2 .3 .4 .5 1 2 5 10 20 30 40 OPERATING CURRENT lZT (mA) 50 100 ZENER IMPEDANCE VS. OPERATING CURRENT Aeroflex / Metelics, Inc. 975 Stewart Drive, Sunnyvale, CA 94085 Tel: (408) 737-8181 Fax: (408) 733-7645 54 Grenier Field Road, Londonderry, NH 03053 Tel: (603) 641-3800 Fax: (603)-641-3500 Sales: 888-641-SEMI (7364) Hi-Rel Components 9 Hampshire Street, Lawrence, MA 01840 Tel: (603) 641-3800 Fax: (978) 683-3264 www.aeroflex.com/metelics-hirelcomponents ISO 9001: 2008 certified companies www.aeroflex.com/metelics [email protected] Aeroflex / Metelics, Inc. reserves the right to make changes to any products and services herein at any time without notice. Consult Aeroflex or an authorized sales representative to verify that the information in this data sheet is current before using this product. Aeroflex does not assume any responsibility or liability arising out of the application or use of any product or service described herein, except as expressly agreed to in writing by Aeroflex; nor does the purchase, lease, or use of a product or service from Aeroflex convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual rights of Aeroflex or of third parties. Copyright 2011 Aeroflex / Metelics. All rights reserved. Our passion for performance is defined by three attributes represented by these three icons: solution-minded, performance-driven and customer-focused. Revision Date: 12/13/2011 .


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