NOT RECOMMENDED FOR NEW DESIGNS MCC TM Micro Commercial Components 1N4728 1N4728A THRU 1N4761A 1N476 Micro Commercial Components 20736 Marilla Street Chatsworth CA 91311 Phone: (818) 701-4933 Fax: (818) 701-4933 Features 1.0 Watt Hermetic Glass Package Silicon Planar Zener Diodes Zener Diode Lead Free Finish/Rohs Compliant (Note2) ("P"Suffix designates Compliant. See ordering information) Moisture Sensitivity: Level 1 3.3 to 75 Volts Mechanical Data DO-41G Case: DO-41 Glass Package Marking : Cathode band and type number Weight: 0.309 grams (Approx.) Maximum Ratings D o o Operating Temperature: -65 C to +200 C Storage Temperature: -65 C to +200 C For capacitive load, derate current by 20% o o A Cathode Mark B Electrical Characteristics @ 25oC Unless Otherwise Specified DC Power Dissipation Forward Voltage Drop Thermal Resistance Power Derating o from 100 C Pd 1.0W VF 1.2V RthJA 100K/W Ptot 10mW/oC D TA 50OC C Note 1 DIMENSIONS INCHES MM DIM Note: (1) Valid provided that electrodes at a distance of 10mm from case are kept at ambient NOTE MIN MAX MIN MAX A ----- 0.177 ----- 4.50 B ----- 0.110 ----- 2.80 Diameter C 0 . 02 6 0 .0 34 0.70 0.90 Diameter D 1 .0 0 0 ----- 2 5 . 40 ----- temperature. (2). Lead in Glass Exemption Applied, see EU Directive Annex 7(C)-I. Revision: B www.mccsemi.com 1 of 4 2012/08/23 MCC 1N4728A thru 1N4761A Micro Commercial Components Electrical Characteristics (TA = 25C unless otherwise noted). Maximum Dynamic Impedance Maximum VF = 1.2V at IF = 200mA Maximum Reverse Surge Maximum Leakage Current Current Regulator Current VR IR IZM Volts mA mA MCC Zener Test Part Number Voltage Current VZ @IZT IZT ZZT @IZT ZZK @IZK IZK IR @VR Volts mA OHMS OHMS mA A 1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A 1N4758A 1N4759A 1N4760A 1N4761A Note 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 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 75 76 69 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5 11.5 10.5 9.5 8.5 7.5 7 6.5 6 5.5 5 4.5 4 3.7 3.3 10 10 9 9 8 7 5 2 3.5 4 4.5 5 7 8 9 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 1 1 1 1 1 1 1 1 1 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 0.25 100 100 50 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 1 1 1 1 1 2 3 4 5 6 7 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 56 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 13 12 1: The JEDEC type number shown with an A suffix have a 5% tolerance on nominal zener voltage. C signifies 2%. 2: The Zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an rms value equal to 10% of the DC Zener current(I ZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and eliminate unstable units. o 3: The reverse surge current is measured at 25 C ambient using a 1/2 square wave or equivalent sine wave pulse 1/120 second duration superimposed on I ZT. 4: Voltage measurements tobe performed 90 seconds after application of DC current. 5: RoHs Compliant already and Pb-free sticker on reel , box & carton indicated RoHs compliant . Revision: B www.mccsemi.com 2 of 4 2012/08/23 TM MCC 1N4728A thru 1N4761A TM +6 VZ , TEMPERATURE COEFFICIENT (mV/C) 175 150 125 100 75 50 25 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 VZ @ IZ TA = 25C +4 +2 20 mA 0 0.01 mA 1 mA NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS NOTE: CHANGES IN ZENER CURRENT DO NOT NOTE: EFFECT TEMPERATURE COEFFICIENTS -2 -4 1 3 4 6 7 8 VZ, ZENER VOLTAGE (VOLTS) Figure 1. Typical Thermal Resistance versus Lead Length Figure 2. Effect of Zener Current 1000 500 TJ = 25C iZ(rms) = 0.1 IZ(dc) f = 60 Hz VZ = 2.7 V 200 47 V 100 27 V 50 20 6.2 V 10 5 1000 700 500 TJ = 25C iZ(rms) = 0.1 IZ(dc) f = 60 Hz IZ = 1 mA 200 100 70 50 5 mA 20 mA 20 10 7 5 2 2 1 1 0.1 0.2 0.5 1 2 5 10 IZ, ZENER CURRENT (mA) 20 50 100 1 2 Figure 3. Effect of Zener Current on Zener Impedance Ppk , PEAK SURGE POWER (WATTS) 5 L, LEAD LENGTH TO HEAT SINK (INCHES) Z Z , DYNAMIC IMPEDANCE (OHMS) Z Z , DYNAMIC IMPEDANCE (OHMS) JL , JUNCTION-TO-LEAD THERMAL RESISTANCE (mV/C/W) Micro Commercial Components 100 70 50 3 5 7 10 20 30 VZ, ZENER CURRENT (mA) 70 100 Figure 4. Effect of Zener Voltage on Zener Impedance RECTANGULAR WAVEFORM TJ = 25C PRIOR TO INITIAL PULSE 11 V-100 V NONREPETITIVE 5% DUTY CYCLE 30 50 3.3 V-10 V NONREPETITIVE 20 10 7 5 10% DUTY CYCLE 20% DUTY CYCLE 3 2 1 0.01 0.02 0.05 0.1 0.2 0.5 This graph represents 90 percentile data points. For worst case design characteristics, multiply surge power by 2/3. 1 2 5 PW, PULSE WIDTH (ms) 10 20 50 100 200 500 1000 Figure 5. Maximum Surge Power Revision: B www.mccsemi.com 3 of 4 2012/08/23 MCC TM Micro Commercial Components Ordering Information : Device Packing Part Number-TP Tape&Reel: 5Kpcs/Reel Part Number-AP Ammo Packing: 2.5Kpcs/Ammo Box Part Number-BP Bulk: 50Kpcs/Carton ***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. ***LIFE SUPPORT*** MCC's products are not authorized for use as critical components in life support devices or systems without the express written approval of Micro Commercial Components Corporation. ***CUSTOMER AWARENESS*** Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. Revision: B www.mccsemi.com 4 of 4 2012/08/23 3