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| (R) TAK CHEONG S EM IC O N D U C T OR 500 mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators Absolute Maximum Ratings Parameter Power Dissipation Storage Temperature Range Operating Junction Temperature TA = 25C unless otherwise noted Value 500 -65 to +200 +200 Units mW C C AXIAL LEAD DO35 DEVICE MARKING DIAGRAM L 9x xT L : Logo Device Code : TC1N9xxT Tolerance (T) : A = 10% : B = 5% : C = 2% : D = 1% These ratings are limiting values above which the serviceability of the diode may be impaired. Specification Features: Zener Voltage Range 6.8 to 56 Volts DO-35 Package (JEDEC) Through-Hole Device Type Mounting Hermetically Sealed Glass Compression Bonded Construction All External Surfaces Are Corrosion Resistant And Leads Are Readily Solderable RoHS Compliant Solder Hot Dip Tin (Sn) Lead Finish Cathode Indicated By Polarity Band Cathode Anode ELECTRICAL SYMBOL Electrical Characteristics Device Type TC1N957B TC1N958B TC1N959B TC1N960B TC1N961B TC1N962B TC1N963B TC1N964B TC1N965B TC1N966B TC1N967B TC1N968B TC1N969B TC1N970B TC1N971B TC1N972B TC1N973B TC1N974B TC1N975B TC1N976B VZ @ IZT (Volts) Nominal 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 TA = 25C unless otherwise noted IZT (mA) 18.5 16.5 15 14 12.5 11.5 10.5 9.5 8.5 7.8 7 6.2 5.6 5.2 4.6 4.2 3.8 3.4 3.2 3 ZZT @ IZT () Max 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 ZZK @ IZK = 0.25mA () Max 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 IR @ VR (A) Max 150 75 50 25 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 VR (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 November 2006/ B Page 1 TC1N957B through TC1N979B (R) TAK CHEONG S EM IC O N D U C T OR Electrical Characteristics Device Type VZ @ IZT (Volts) Nominal TA = 25C unless otherwise noted IZT (mA) ZZT @ IZT () Max ZZK @ IZK = 0.25mA () Max 1500 1500 2000 IR @ VR (A) Max 5 5 5 VR (Volts) 35.8 38.8 42.6 TC1N977B 47 2.7 105 TC1N978B 51 2.5 125 TC1N979B 56 2.2 150 VF Forward Voltage = 1.5 V Maximum @ IF = 200 mA for all types Notes: 1. TOLERANCE AND VOLTAGE DESIGNATION The type numbers listed have zener voltage as shown and have a standard tolerance on the nominal zener voltage of 5%. Suffix A = 10%, Suffix C = 2% and D = 1%. 2. SPECIALS AVAILABLE INCLUDE Nominal zener voltages between the voltages shown and tighter voltage, for detailed information on price, availability and delivery, contact you nearest Tak Cheong representative. 3. ZENER VOLTAGE (VZ) MEASUREMENT The zener voltage (VZ) is tested under pulse condition. The measured VZ is guaranteed to be within specification with device junction in thermal equilibrium. 4. ZENER IMPEDANCE (ZZ) DERIVATION Zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an RMS value equal to 10% of the dc zener current (IZT) is superimposed to IZT . November 2006/ B Page 2 (R) TAK CHEONG S EM IC O N D U C T OR Package Outline Package Case Outline DO-35 DIM Min A B C D 0.46 3.05 25.40 1.53 Millimeters Max 0.55 5.08 38.10 2.28 DO-35 Inches Min 0.018 0.120 1.000 0.060 Max 0.022 0.200 1.500 0.090 Notes: 1. 2. All dimensions are within JEDEC standard. DO35 polarity denoted by cathode band. This datasheet presents technical data of Tak Cheong's Zener Diodes. Complete specifications for the individual devices are provided in the form of datasheets. A comprehensive Selector Guide is included to simplify the task of choosing the best set of components required for a specific application. For additional information, please visit our website http://www.takcheong.com. Although information in this datasheet has been carefully checked, no responsibility for the inaccuracies can be assumed by Tak Cheong. Please consult your nearest Tak Cheong's sales office for further assistance. Tak Cheong reserves the right to make changes without further notice to any products herein to further improve reliability, function or design, cost and productivity. TAK CHEONG (R) and are registered trademarks of Tak Cheong Electronics (Holdings) Co., Ltd. November 2006/ B Page 3 |
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