Absolute Maximum Ratings* Symbol Parameter TSTG Storage Temperature Range TJ Maximum Junction Operating Temperature PD Tolerance: B = 5% TA = 25C unless otherwise noted Lead Temperature (1/16" from case for 10 seconds) Total Device Dissipation Derate above 25C Value Units -65 to +200 + 175 C C + 230 C 500 3.33 mW mW/C DO-35 *These ratings are limiting values above which the serviceability of the diode may be impaired. COLOR BAND DENOTES CATHODE NOTES: 1) These ratings are based on a maximum junction temperature of 200 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Electrical Characteristics Device 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B VZ ZZ (V) ( ) 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 4.5 5.5 6.5 7.5 8.5 9.5 11.5 13 16 17 21 25 29 33 41 49 58 @ 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 7.0 6.2 5.6 5.2 4.6 4.2 3.8 ZZK @ IZK IR ( ) (mA) ( A) 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1,000 1,000 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 0.25 150 75 50 25 10 5 5 5 5 5 5 5 5 5 5 5 5 @ VR (V) (%/C) TC IZRM* 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 0.05 0.058 0.062 0.068 0.072 0.073 0.076 0.079 0.082 0.083 0.085 0.086 0.087 0.088 0.090 0.091 0.092 47 42 38 35 32 28 26 24 21 19 17 15 14 13 11 10 9.2 (mA) *IZRM (Maximum Zener Current Rating) Values shown are based on the JEDEC rating of 400 milliwatts. Where the actual zener voltage (VZ) is known at the operating point, the maximum zener current may be increased and is limited by the derating curve. 2001 Fairchild Semiconductor Corporation 1N957B-1N973B Rev. A1 1N957B - 1N973B Series 1N957B - 1N973B Series Half Watt Zeners Zener Current vs. Zener Voltage Zener Current vs. Zener Impedence 35 5000 Z Z - IMPEDANCE (ohms) V Z - ZENER VOLTAGE (V) 25 TA = 25 C 20 15 V Z = 12.0V 10 V Z = 5.1V 5 1 2 V Z = 3.3V 5 10 I Z- ZENER CURRENT (mA) 20 4 T A = -25 C TA = 25 C 3 TA = 85 C T A = 100 C T A= 125 C 2 5 10 I Z- ZENER CURRENT (mA) 20 10 T = -25 C A TA = 85 C TA = 100 C 5 0 1 2 5 10 I Z - ZENER CURRENT (mA) 20 30 TA = 85 C T A = 25 C 4.5 TA = -25 C 1 2 5 10 I Z - ZENER CURRENT (mA) 20 30 33 Zener Voltage vs. Zener Temperature V Z = 33.0V TA = 125 C TA = 25 C 20 TA = 125 C 40 V Z = 12.0V 10 V Z = 5.1V 5 TA = 100 C 30 V Z - ZENER VOLTAGE (V) 15 0.5 1 2 5 I Z - ZENER CURRENT (mA) 5.5 4 1 0.2 5.1 Zener Voltage vs. Temperature V Z = 3.3V 2 V Z = 33.0V 20 10 V Z = 12.0V 5 6 V Z - ZENER VOLTAGE (V) V Z - ZENER VOLTAGE (V) 200 100 50 30 12 Zener Voltage vs. Zener Temperature V Z - ZENER VOLTAGE (V) 2000 1000 500 V Z = 3.3V 2 1 0.1 3.3 Zener Voltage vs. Temperature 5 1 TA = 25 C V Z = 5.1V V Z = 33.0V 30 TA = 100 C TA = 125 C 35 30 TA = -25 C T A = 25 C TA = 85 C 25 20 1 2 5 10 I Z - ZENER CURRENT (mA) 20 30 1N957B-1N973B Rev. A1 1N957B - 1N973B Series Typical Characteristics DO-35 Tape and Reel Data DO-35 Packaging Configuration: Figure 1.0 Soabar Label Corrugated Outer Liner White (Anode) Red/Blue (Cathode) T50R TNR Options Kraft Paper Wound Between Layers DO-35 Packaging Information Table: Figure 2.0 DO-35 Packaging Information Soabar Label sample Packaging Option T50R T50A Packaging type TNR Ammo Standard (no flow code) Bag 10,000 5,000 500 13 - - TYPE IN5225A MARK 52 - REV A2 PART No. Qty per Reel/Tube/Bag Reel Size (inch diameter) Inside Tape Spacing (mm) Int Box Dimension (mm) 52 P.O. No. PKG 254x79x794 406x267x184 279x133x108 Max qty per Box 30,000 50,000 5,000 QTY Weight per unit (gm) 0.137 0.137 0.137 Q.C. Weight per Reel/Ammo (kg) 2.23 0.800 Note/Comments BLK-BRN EC No. 10,000 M.O. No. OX5046F035 DATE D9903 MFD. UNDER US PAT 3.025.589 & OTHER US PATS & APPLICATIONS Bulk DO-35 Reel Dimensions: Figure 3.0 Soabar Label REEL DIMENSIONS ITEM DESCRIPTION SYMBOL MINIMUM MAXIMUM Reel Diameter D1 10.375 10.625 Arbor Hole Diameter (Standard) D2 1.245 1.255 Core Diameter D3 3.190 3.310 Flange to Flange Inner Width W1 D1 D2 3.400 Note: All Dimensions are in inches W1 D3 (c)2000 Fairchild Semiconductor International September 1999, Rev. A DO-35 Tape and Ammo Data, continued DO-35 Ammo Packing Configuration: Figure 4.0 Soabar Label (on top of box) 254mm x 79mm x 79mm Intermediate Container (5,000 cap) T50A Option DO-35 Taping Dimension: Figure 5.0 H TAPING DIMENSIONS G L1 F B L2 E C A INCH MM MILS NOTES A 2.520 +0.066/ -0.027 64.00 +1.69/ -0.69 2519 +66.5/ -27.0 Overall width B 2.0470.027 52 0.69 204727 Inside Tape Spacing C 0.200 0.0157 5.08 0.40 200 15.7 Component Pitch D 0.047(max) 1.2(max) 47(max) Component Misalignment E 0.022(max) 0.55(max) 22(max) Tape Mismatch F 0.027(max) 0.69 27 Units in line w/ one another G 0.126(min) 3.2(min) 126(min) Lead amount between tapes H 0 0 0 Lead amount beyond tapes L1-L2 0.027 0.69 27 Delta between two leads D DO-35 Bulk Packing Configuration: Figure 6.0 102mm x 76mm x 127mm Immediate Box (1,000 cap) 133mm x 95mm Anti-static bag (500/bag) September 1999, Rev. A DO-35 Package Dimensions DO-35 (FS PKG Code D2) 1:1 Scale 1:1 on letter size paper Dimensions shown below are in millimeters Part Weight per unit (gram): 0.137 (c)2000 Fairchild Semiconductor International March 2000, Rev. A 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 BottomlessTM CoolFETTM CROSSVOLTTM DOMETM E2CMOSTM EnSignaTM FACTTM FACT Quiet SeriesTM FAST FASTrTM GlobalOptoisolatorTM GTOTM HiSeCTM ISOPLANARTM MICROWIRETM OPTOLOGICTM OPTOPLANARTM PACMANTM POPTM PowerTrench QFETTM QSTM QT OptoelectronicsTM Quiet SeriesTM SILENT SWITCHER SMART STARTTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogicTM UHCTM VCXTM DISCLAIMER 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: 1. Life support devices or systems are devices or 2. A critical component is any component of a life 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 Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production 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. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. 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. G