MCC TM Micro Commercial Components omponents 20736 Marilla Street Chatsworth !"# $ % !"# Features * * * 1N957B THRU 1N982B 0.5W Silicon Planar Zener Diodes Zener Voltage 6.8V to 75 Silicon Planar Power Zener Diodes VZ - tolerance 5% DO-35 Mechanical Data * * * Case: DO-35 glass case Marking : Cathode band and type number Weight: Approx. 0.13 gram D Maximum Ratings Zener Current Power Dissipation @ TA=25 Junction Temperature Storage Temperature Range Symbol Value See Table 1 Units Ptot 500 mW TJ 200 TSTG -65 to 200 A Cathode Mark B D C Electrical Characteristics @ 25C Unless Otherwise Specified Thermal resistance Forward Voltage @ IF=200mA Symbol RJA Maximum 300 VF 1.5 Unit C/W o V NOTE: DIMENSIONS Valid provided that a distance of 8mm from case are kept at ambient temperature Revision: 5 DIM A B C D INCHES MIN ------1.000 www.mccsemi.com 1 of 3 MAX .166 .079 .020 --- MM MIN ------25.40 MAX 4.2 2.00 .52 --- NOTE 2006/05/28 MCC 1N957B thru 1N982B 3) MCC PART NUMBER 1N957B 1N958B 1N959B 1N960B 1N961B 1N962B 1N963B 1N964B 1N965B 1N966B 1N967B 1N968B 1N969B 1N970B 1N971B 1N972B 1N973B 1N974B 1N975B 1N978B 1N979B 1N982B Note: 1) 2) 3) ZENER VOLTAGE @TEST CURRENT VZ V 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 51 56 75 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 2.5 2.2 1.7 Micro Commercial Components MAXIMUM ZENER IMPEDANCE1) ZZT 4.5 5.5 5.5 5.5 5.5 5 11.5 13 16 17 21 25 29 33 41 49 58 70 80 125 150 270 TM ZZK 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 2000 2000 MAXIMUM REVERSE LEAKAGE CURRENT TEST-VOLTAGE IZK IR2) mA A 1.0 150 0.5 75 0.5 50 0.5 10 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 0.25 5 MAXIMUM ZENER CURRENT VR V 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 38.8 42.6 56 IZM2) mA 47 42 38 35 32 28 26 24 21 19 17 15 14 13 11 10 9.0 8.5 7.8 5.9 5.4 4.1 The Zener impedance is derived from the 1kHz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT) is superimposed on IZT Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. Valid provided that leads are kept at ambient temperature at a distance of 8mm from case. Measured with device junction in thermal equilibrium. Revision: 5 www.mccsemi.com 2 of 3 2006/05/28 MCC TM Micro Commercial Components ***IMPORTANT NOTICE*** Micro Commercial Components Corp . reserves the right to make changes without further notice to any product herein to make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are represented on our website, harmless against all damages. ***APPLICATIONS DISCLAIMER*** Products offer by Micro Commercial Components Corp . are not intended for use in Medical, Aerospace or Military Applications. www.mccsemi.com Revision: 5 3 of 3 2006/05/28