IS/ISO 9002 Lic# QSC/L-000019.3 Continental Device India Limited An IS/ISO 9002 and IECQ Certified Manufacturer SILICON 400mW ZENER DIODES 6.8V TO 47V 1N957B to 1N977B DO- 35 Glass Axial Package Hermetically Sealed Glass Package Zener Diodes ABSOLUTE MAXIMUM RATINGS (Ta=25C unless specified otherwise ) DESCRIPTION Zener Voltage Steady State Power Dissipation Derating Factor above 50C Operating and Storage Temperature VALUE UNIT 6.8 to 47 400 3.2 -65 to +175 V mW mW/C C ELECTRICAL CHARACTERISTICS (Ta=25C unless specified otherwise ) Device * Nominal (Note 1) Zener Voltage VZ @ IZT 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B 1N974B 1N975B 1N976B 1N977B (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 Zener Test Current IZT (mA) 18.5 16.5 15 14 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 Max Zener Impedance ZZT @ IZT ( ) 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 80 93 105 Max Reverse Leakage Current ZZK @ ZZK IZK ( ) 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 (mA) 1.0 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Note (1) : Part No. suffix specifies the Tolerance of VZ No Suffix = +/- 20% Suffix A = +/- 10% IR @ VR ( A) 150 75 50 25 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 VF < 1.5V max @ IF=200mA Max DC Max. Surge Zener Current Current (Recurrent) IZ ( Surge) IZM (Volts) 5.2 5.7 6.2 6.9 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 (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 (mA) 300 275 250 225 200 175 160 150 130 120 110 100 90 80 70 65 60 55 46 44 40 Max Temp. Coefficient Voltage Vz % / C +0.05 +0.058 +0.065 +0.068 +0.075 +0.076 +0.077 +0.079 +0.082 +0.083 +0.085 +0.086 +0.087 +0.088 +0.090 +0.091 +0.092 +0.093 +0.094 +0.095 +0.095 Suffix B = +/- 5% * Pulse Condition : 20mS < tp 50mS, Duty Cycle <2% Continental Device India Limited Data Sheet Page 1 of 3 1N957B to 1N977B DO- 35 Glass Axial Package DO-35 Hermetically Sealed Glass Axial Package B A D C A NOTES 1. Cathode is marked by Band. 2. All dimensions are in mm. DIM MIN MAX A 25.40 -- B 3.03 4.44 C 0.46 0.56 D 1.52 2.29 1.05 MAX. DO-35, 52mm Taping Specification 5.50 4.50 54.00 50.00 CENTRE LINE 1.05 1.5 R MAX. 52 mm Taping Specification 1. T & A indicates Axial Tape & Ammo packing (52 mm Tape Spacing). 2. 300 mm (min) leader tape on every spool. 3. No. of empty places allowed 0.25% without consecutive empty places. 4. Ends of leads shall preferably not protrude beyond the tapes. 5. Components shall be held sufficiently in the tape or tapes so that they can not come free in normal handling. 6.0 5.0 LEADER 52.0 11 DIODES 48.0 All dimensions in mm. ED FE 6.0 1. 0 52 2 .0 .0 6.0 1. 0 85.0 mm TAPES .0 m 255 LABEL 73. 5 m DO-35:- 5000 pcs./Ammo Pack DIODE AMMO PACK mm On request also available in 26 mm Tape and Ammo Pack Packing Detail PACKAGE DO-35 T&A STANDARD PACK INNER CARTON BOX OUTER CARTON BOX Details Net Weight/Qty Size Qty Size 5K/ammo box 0.88 kg/5K pcs 10" x 3.5" x 3.5" 5K 12.7" x 12.7" x 20" Continental Device India Limited Data Sheet Qty Gr Wt 125K 25 kgs Page 2 of 3 Notes 1N957B to 1N977B DO- 35 Glass Axial Package Disclaimer The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and on the CDIL Web Site/CD are believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s). CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice. CDIL is a registered Trademark of Continental Device India Limited C-120 Naraina Industrial Area, New Delhi 110 028, India. Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290 e-mail sales@cdil.com www.cdil.com 1N957_77Rev080402D Continental Device India Limited Data Sheet Page 3 of 3