Absolute Maximum Ratings* Symbol Parameter PD Power Dissipation TSTG Storage Temperature Range TJ Tolerance: C = 5% TA = 25°C unless otherwise noted Value Units 1.3 W -65 to +200 °C Operating Junction Temperature + 200 °C Lead Temperature (1/16” from case for 10 seconds) + 230 °C *These ratings are limiting values above which the serviceability of the diode may be impaired. DO-41 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 VZ(V) BZX85C 3V3 BZX85C 3V6 BZX85C 3V9 BZX85C 4V3 BZX85C 4V7 BZX85C 5V1 BZX85C 5V6 BZX85C 6V2 BZX85C 6V8 BZX85C 7V5 BZX85C 8V2 BZX85C 9V1 BZX85C 10 BZX85C 11 BZX85C 12 BZX85C 13 BZX85C 15 BZX85C 16 BZX85C 18 BZX85C 20 BZX85C 22 BZX85C 24 BZX85C 27 BZX85C 30 BZX85C 33 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 VF TA = 25°C unless otherwise noted Ω) @ IZ(mA) ZZ(Ω 20 15 15 13 13 10 7.0 4.0 3.5 3.0 5.0 5.0 7.0 8.0 9.0 10 15 15 20 24 25 25 30 30 35 80 60 60 50 45 45 45 35 35 35 25 25 25 20 20 20 15 15 15 10 10 10 8.0 8.0 8.0 Ω) @IZK(mA) ZZK(Ω 400 500 500 500 600 500 400 300 300 200 200 200 200 300 350 400 500 500 500 600 600 600 750 1,000 1,200 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.25 0.25 0.25 Foward Voltage = 1.2 V Maximum @ IF = 200 mA for all BZX85 2001 Fairchild Semiconductor Corporation COLOR BAND DENOTES CATHODE IR(µµA) @VR(V) 60 30 5.0 3.0 3.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.0 1.0 1.5 2.0 2.0 3.0 4.0 4.5 5.0 6.5 7.0 7.7 8.4 9.1 10.5 11 12.5 14 15.5 17 19 21 23 ISURGE(mA) IZRM(mA) 1,380 1,260 1,190 1,070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 series BZX85 Series Rev. C Zeners (BZX85C 3V3 - BZX85C 33) Zeners BZX85C 3V3 - BZX85C 33 (continued) Typical Characteristics 35 5000 25 Z Z - IMPEDANCE (ohms) V Z - ZENER VOLTAGE (V) 30 TA = 25º 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 = -25º C TA = 25º C 3 TA = 85º C T A = 100 º C T A= 125 º C 2 5 10 I Z- ZENER CURRENT (mA) 20 TA = 85º C TA = 100 º C 5 0 1 2 T A = 25º C 4.5 TA = -25º C 1 5 10 I Z - ZENER CURRENT (mA) 20 30 12 Zener Voltage vs. Zener Temperature 2001 Fairchild Semiconductor Corporation 2 5 10 I Z - ZENER CURRENT (mA) V Z = 33.0V TA = 125º C TA = 25º C TA = 85º C 20 30 5.1 Zener Voltage vs. Temperature V Z - ZENER VOLTAGE (V) 10 T = -25º C A 20 TA = 125º C 40 V Z = 12.0V 10 V Z = 5.1V 5 TA = 100º C 30 3.3 Zener Voltage vs. Temperature 15 0.5 1 2 5 I Z - ZENER CURRENT (mA) 5.5 4 1 0.2 Zener Current vs. Zener Impedence V Z = 3.3V 2 V Z = 33.0V 20 10 V Z = 12.0V 5 30 V Z - ZENER VOLTAGE (V) V Z - ZENER VOLTAGE (V) 200 100 50 6 5 V Z - ZENER VOLTAGE (V) 2000 1000 500 V Z = 3.3V 2 1 0.1 Zener Current vs. Zener Voltage 1 TA = 25º C V Z = 5.1V V Z = 33.0V TA = 100º C TA = 125º C 35 30 TA = -25º C T A = 25º C TA = 85º C 25 20 1 2 5 10 I Z - ZENER CURRENT (mA) 20 30 33 Zener Voltage vs. Zener Temperature BZX85 Series Rev. C Zeners (BZX85C 3V3 - BZX85C 33) Zeners (BZX85C 3V3 - BZX85C 33) 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. ACEx™ Bottomless™ CoolFET™ CROSSVOLT™ DenseTrench™ DOME™ EcoSPARK™ E2CMOSTM EnSignaTM FACT™ FACT Quiet Series™ FAST FASTr™ FRFET™ GlobalOptoisolator™ GTO™ HiSeC™ ISOPLANAR™ LittleFET™ MicroFET™ MicroPak™ MICROWIRE™ OPTOLOGIC™ OPTOPLANAR™ PACMAN™ POP™ Power247™ PowerTrench QFET™ QS™ QT Optoelectronics™ Quiet Series™ SILENT SWITCHER SMART START™ STAR*POWER™ Stealth™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic™ TruTranslation™ UHC™ UltraFET VCX™ STAR*POWER is used under license 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 systems which, (a) are intended for surgical implant into support device or system whose failure to perform can the body, or (b) support or sustain life, or (c) whose be reasonably expected to cause the failure of the life failure to perform when properly used in accordance support device or system, or to affect its safety or 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. H4