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| Zeners 1N957B - 1N991B Zeners 1N957B - 1N991B Absolute Maximum Ratings * Symbol PD Parameter Power Dissipation @ TL 75C, Lead Length = 3/8" Derate above 75C TJ, TSTG Operating and Storage Temperature Range TA = 25C unless otherwise noted Tolerance = 5% Units mW mW/C C Value 500 4.0 -65 to +200 * These ratings are limiting values above which the serviceability of the diode may be impaired. DO-35 Glass case COLOR BAND DENOTES CATHODE Electrical Characteristics VZ (Volts) Device 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B 1N974B 1N975B 1N976B 1N977B 1N978B 1N979B 1N980B 1N981B Min. 6.46 7.125 7.79 8.645 9.5 10.45 11.4 12.35 14.25 15.2 17.1 19 20.9 22.8 25.652 8.5 31.35 34.2 37.05 40.85 44.65 48.45 53.2 58.9 64.6 Typ. 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 TA=25C unless otherwise noted (Note 1) ZZ () @ IZ (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 2.5 2.2 2.0 1.8 ZZ @ IZ 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 93 105 125 150 185 230 (Note 2) IR @ VR 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 0.25 0.25 0.25 0.25 A 150 75 50 25 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 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 38.8 42.6 47.1 51.7 Max. 7.14 7.875 8.61 9.555 10.5 11.55 12.6 13.65 15.75 16.8 18.9 21 23.1 25.2 28.35 31.5 34.65 37.8 40.95 45.15 49.35 53.55 58.8 65.1 71.4 ZZK @ IZK 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 IZM (mA) (Note 3) 47 42 38 35 32 28 26 24 21 19 17 15 14 13 11 10 9.2 8.5 7.8 7.0 6.4 5.9 5.4 4.9 4.5 (c)2004 Fairchild Semiconductor Corporation 1N957B - 1N991B, Rev. E2 Zeners 1N957B - 1N991B Electrical Characteristics (Continued) VZ (Volts) Device 1N982B 1N983B 1N984B 1N985B 1N986B 1N987B 1N988B 1N989B 1N990B 1N991B Min. 71.25 77.9 86.45 95 104.5 114 123.5 142.5 152 171 Typ. 75 82 91 100 110 120 130 150 160 180 (Note 1) TA=25C unless otherwise noted ZZ () @ IZ 1.7 1.5 1.4 1.3 1.1 1.0 0.95 0.85 0.80 0.68 ZZ @ IZ 270 330 400 500 750 900 1100 1500 1700 2200 (Note 2) IR @ VR mA 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 A 5 5 5 5 5 5 5 5 5 5 Volts 56.0 62.2 69.2 76.0 83.6 91.2 98.8 114 121.6 136.8 Max. 78.75 86.1 95.55 105 115.5 126 136.5 157.5 168 189 ZZK @ IZK 2000 3000 3000 3000 4000 4500 5000 6000 6500 7100 IZM (mA) (Note 3) 4.1 3.7 3.3 3.0 2.7 2.5 2.3 2.0 1.9 1.7 Notes: 1. Zener Voltage (VZ) Measurement Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30C 1C and 3/8" lead length. 2. Zener Impedance (ZZ) Derivation ZZT and ZZK are measured by dividing the ac voltage drop across the device by the ac current applied. The specified limits are for IZ(ac) = 0.1 IZ(dc) with the ac frequency = 60Hz. 3. Maximum Zener Current Ratings (IZM) The maximum current handling capability on a worst case basis is limited by the actual zener voltage at the operation point and the power derating curve. (c)2004 Fairchild Semiconductor Corporation 1N957B - 1N991B, Rev. E2 Zeners 1N957B - 1N991B Top Mark Information Device 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B 1N974B 1N975B 1N976B 1N977B 1N978B 1N979B 1N980B 1N981B 1N982B 1N983B 1N984B 1N985B 1N986B 1N987B 1N988B 1N989B 1N990B 1N991B Line 1 LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO LOGO Line 2 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 Line 3 B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B B Line 4 XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY XY (c)2004 Fairchild Semiconductor Corporation 1N957B - 1N991B, Rev. E2 Zeners 1N957B - 1N991B Top Mark Information (Continued) F 1st line: F - Fairchild Logo 2nd line: Device Name - 3rd to 5th characters of the device name. or 4th to 6th characters for BZXyy series 3rd line: Device Name - 6th to 7th characters of the device name. or Voltage rating for BZXyy series 4th line: Device Code or - Two Digit - Six Weeks Date Code. Date code plus or Two Digit - Six Weeks Date Code Large die identification plus Large die identification, "L" 522 9B XY General Requirements: 1.0 Cathod Band 2.0 First Line: F - Fairchild Logo 3.0 Second Line: Device name - For 1Nxx series: 3rd to 5th characters of the device name. For BZxx series: 4th to 6th characters of the device name. 4.0 Third Line: Device name - For 1Nxx series: 6th to 7th characters of the device name. For BZXyy series: Voltage rating 5.0 Fourth Line: XY or XYL - Two Digit - Six Weeks Date Code Where: X represents the last digit of the calendar year Y represents the Six weeks numeric code L represents the Large die identification 6.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec). 7.0 Maximum no. of marking lines: 4 8.0 Maximum no. of digits per line: 3 9.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line. 10.0 Marking Font: Arial (Except FSC Logo) 11.0 First character of each marking line must be aligned vertically (c)2004 Fairchild Semiconductor Corporation 1N957B - 1N991B, Rev. E2 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM FACT Quiet SeriesTM ActiveArrayTM FAST BottomlessTM FASTrTM CoolFETTM FPSTM CROSSVOLTTM FRFETTM DOMETM GlobalOptoisolatorTM EcoSPARKTM GTOTM E2CMOSTM HiSeCTM EnSignaTM I2CTM FACTTM i-LoTM Across the board. Around the world.TM The Power Franchise Programmable Active DroopTM DISCLAIMER ImpliedDisconnectTM PACMANTM POPTM ISOPLANARTM Power247TM LittleFETTM MICROCOUPLERTM PowerSaverTM PowerTrench MicroFETTM QFET MicroPakTM QSTM MICROWIRETM QT OptoelectronicsTM MSXTM Quiet SeriesTM MSXProTM RapidConfigureTM OCXTM RapidConnectTM OCXProTM SILENT SWITCHER OPTOLOGIC SMART STARTTM OPTOPLANARTM SPMTM StealthTM SuperFETTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogic TINYOPTOTM TruTranslationTM UHCTM UltraFET VCXTM FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Preliminary First Production No Identification Needed Full Production Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I10 |
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