1N4728A - 1N4764A Zeners DO-41 Glass case COLOR BAND DENOTES CATHODE Absolute Maximum Ratings * Symbol PD TJ, TSTG Ta = 25°C unless otherwise noted Value Units Power Dissipation @ TL ≤ 50°C, Lead Length = 3/8” Parameter 1.0 W Derate above 50°C 6.67 mW/°C -65 to +200 °C Operating and Storage Temperature Range * These ratings are limiting values above which the serviceability of the diode may be impaired. Electrical Characteristics Ta = 25°C unless otherwise noted VZ (V) @ IZ (Note 1) Min. Typ. Max. Test Current IZ (mA) 1N4728A 1N4729A 1N4730A 1N4731A 1N4732A 3.315 3.42 3.705 4.085 4.465 3.3 3.6 3.9 4.3 4.7 3.465 3.78 4.095 4.515 4.935 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A 4.845 5.32 5.89 6.46 7.125 5.1 5.6 6.2 6.8 7.5 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A 7.79 8.645 9.5 10.45 11.4 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A 12.35 14.25 15.2 17.1 19 Device Leakage Current ZZ @ I Z (Ω) ZZK @ IZK (Ω) IZK (mA) IR (µA) VR (V) 76 69 64 58 53 10 10 9 9 8 400 400 400 400 500 1 1 1 1 1 100 100 50 10 10 1 1 1 1 1 5.355 5.88 6.51 7.14 7.875 49 45 41 37 34 7 5 2 3.5 4 550 600 700 700 700 1 1 1 1 0.5 10 10 10 10 10 1 2 3 4 5 8.2 9.1 10 11 12 8.61 9.555 10.5 11.55 12.6 31 28 25 23 21 4.5 5 7 8 9 700 700 700 700 700 0.5 0.5 0.25 0.25 0.25 10 10 10 5 5 6 7 7.6 8.4 9.1 13 15 16 18 20 13.65 15.75 16.8 18.9 21 19 17 15.5 14 12.5 10 14 16 20 22 700 700 700 750 750 0.25 0.25 0.25 0.25 0.25 5 5 5 5 5 9.9 11.4 12.2 13.7 15.2 ©2005 Fairchild Semiconductor Corporation 1N4728A - 1N4764A Rev. G2 Max. Zener Impedance 1 www.fairchildsemi.com 1N4728A - 1N4764A Zeners January 2005 TC = 25°C unless otherwise noted VZ (V) @ IZ (Note 1) Min. Typ. Max. Test Current IZ (mA) 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A 20.9 22.8 25.65 28.5 31.35 22 24 27 30 33 23.1 25.2 28.35 31.5 34.65 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A 34.2 37.05 40.85 44.65 48.45 36 39 43 47 51 1N4758A 1N4759A 1N4760A 1N4761A 1N4762A 53.2 58.9 64.6 71.25 77.9 1N4763A 1N4764A 86.45 95 Device Max. Zener Impedance Leakage Current ZZ @ IZ (Ω) ZZK @ IZK (Ω) IZK (mA) IR (µA) VR (V) 11.5 10.5 9.5 8.5 7.5 23 25 35 40 45 750 750 750 1000 1000 0.25 0.25 0.25 0.25 0.25 5 5 5 5 5 16.7 18.2 20.6 22.8 25.1 37.8 40.95 45.15 49.35 53.55 7 6.5 6 5.5 5 50 60 70 80 95 1000 1000 1500 1500 1500 0.25 0.25 0.25 0.25 0.25 5 5 5 5 5 27.4 29.7 32.7 35.8 38.8 56 62 68 75 82 58.8 65.1 71.4 78.75 86.1 4.5 4 3.7 3.3 3 110 125 150 175 200 2000 2000 2000 2000 3000 0.25 0.25 0.25 0.25 0.25 5 5 5 5 5 42.6 47.1 51.7 56 62.2 91 100 95.55 105 2.8 2.5 250 350 3000 3000 0.25 0.25 5 5 69.2 76 Notes: 1. Zener Voltage (VZ) The zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C ± 1°C and 3/8” lead length. 2 1N4728A - 1N4764A Rev. G2 www.fairchildsemi.com 1N4728A - 1N4764A Zeners Electrical Characteristics Device Line 1 Line 2 Line 3 Line 4 Line 5 1N4728A 1N4729A 1N4730A 1N4731A 1N4732A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 28 29 30 31 32 A A A A A XY XY XY XY XY 1N4733A 1N4734A 1N4735A 1N4736A 1N4737A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 33 34 35 36 37 A A A A A XY XY XY XY XY 1N4738A 1N4739A 1N4740A 1N4741A 1N4742A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 38 39 40 41 42 A A A A A XY XY XY XY XY 1N4743A 1N4744A 1N4745A 1N4746A 1N4747A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 43 44 45 46 47 A A A A A XY XY XY XY XY 1N4748A 1N4749A 1N4750A 1N4751A 1N4752A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 48 49 50 51 52 A A A A A XY XY XY XY XY 1N4753A 1N4754A 1N4755A 1N4756A 1N4757A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 53 54 55 56 57 A A A A A XY XY XY XY XY 1N4758A 1N4759A 1N4760A 1N4761A 1N4762A LOGO LOGO LOGO LOGO LOGO 47 47 47 47 47 58 59 60 61 62 A A A A A XY XY XY XY XY 1N4763A 1N4764A LOGO LOGO 47 47 63 64 A A XY XY 3 1N4728A - 1N4764A Rev. G2 www.fairchildsemi.com 1N4728A - 1N4764A Zeners Top Mark Information 1st line: F - Fairchild Logo F 2nd line: Device Name - 3rd to 4th characters of device name for 1Nxx series or 4th to 6th characters for BZXyy series 47 3rd line: Device Name - 5th to 6th characters of device name for 1Nxx series or Voltage rating for BZXyy series 36 A 4th line: Device Name - 7th to 8th characters of device name for 1Nxx series or Large Die identification only for BZXyy series 5th line: Date Code - Two Digit - Six Weeks Date Code XY F General Requirements: 1.0 Cathod Band 2.0 First Line: F - Fairchild Logo 3.0 Second Line: Device name - For 1Nxx series: 3rd to 4th 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: 5th to 6th characters of the device name. For BZXyy series: Voltage rating 5.0 Third Line: Device name - For 1Nxx series: 7th to 8th characters of the device name. (the 8th character is the large die identification) For BZXyy series: Large Die Identification character 6.0 Fourth Line: Date Code - Two Digit - Six Weeks Date Code Where: X represents the last digit of the calendar year Y represents the Six weeks numeric code 7.0 Devices shall be marked as required in the device specification (PID or FSC Test Spec). 8.0 Maximum no. of marking lines: 5 9.0 Maximum no. of digits per line: 3 10.0 FSC logo must be 20 % taller than the alphanumeric marking and should occupy the 2 characters of the specified line. 11.0 Marking Font: Arial (Except FSC Logo) 12.0 First character of each marking line must be aligned vertically 4 1N4728A - 1N4764A Rev. G2 www.fairchildsemi.com 1N4728A - 1N4764A Zeners Top Mark Information (Continued) 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. ACEx™ ActiveArray™ Bottomless™ CoolFET™ CROSSVOLT™ DOME™ EcoSPARK™ E2CMOS™ EnSigna™ FACT™ FACT Quiet Series™ FAST® FASTr™ FPS™ FRFET™ GlobalOptoisolator™ GTO™ HiSeC™ I2C™ i-Lo™ ImpliedDisconnect™ Across the board. Around the world.™ The Power Franchise® Programmable Active Droop™ IntelliMAX™ ISOPLANAR™ LittleFET™ MICROCOUPLER™ MicroFET™ MicroPak™ MICROWIRE™ MSX™ MSXPro™ OCX™ OCXPro™ OPTOLOGIC® OPTOPLANAR™ PACMAN™ POP™ Power247™ PowerEdge™ PowerSaver™ PowerTrench® QFET® QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ µSerDes™ SILENT SWITCHER® SMART START™ SPM™ Stealth™ SuperFET™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic® TINYOPTO™ TruTranslation™ UHC™ UltraFET® UniFET™ VCX™ 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 systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. 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. I15 5 1N4728A - 1N4764A Rev. G2 www.fairchildsemi.com 1N4728A - 1N4764A Zeners TRADEMARKS