1N457/A 1N457/A DO-35 Color Band Denotes Cathode Small Signal Diode Absolute Maximum Ratings* Symbol TA = 25C unless otherwise noted Value Units VRRM Maximum Repetitive Reverse Voltage Parameter 70 V IF(AV) Average Rectified Forward Current 200 mA IFSM Tstg Non-repetitive Peak Forward Surge Current Pulse Width = 1.0 second Pulse Width = 1.0 microsecond Storage Temperature Range 1.0 4.0 -65 to +200 A A C TJ Operating Junction Temperature 175 C Value Units *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. 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. Thermal Characteristics Symbol Parameter PD Power Dissipation 500 mW RJA Thermal Resistance, Junction to Ambient 300 C/W Electrical Characteristics Symbol TA = 25C unless otherwise noted Parameter VR Breakdown Voltage VF Forward Voltage IR Reverse Current CT Total Capacitance 2002 Fairchild Semiconductor Corporation Test Conditions 1N457 1N457A 1N457 IR = 100 A IF = 20 mA IF = 100 mA VR = 60 V VR = 60 V, TA = 150C VR = 0, f = 1.0 MHz Min Max Units 1.0 1.0 25 5 8.0 V V nA A pF 70 V 1N457/A, 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. ACEx Bottomless CoolFET CROSSVOLT DenseTrench DOME EcoSPARK E2CMOSTM EnSignaTM FACT FACT Quiet Series FAST a FASTr FRFET GlobalOptoisolator GTO HiSeC I2C ISOPLANAR LittleFET MicroFET MicroPak MICROWIRE OPTOLOGIC a OPTOPLANAR PACMAN POP Power247 PowerTrench a QFET QS QT Optoelectronics Quiet Series SILENT SWITCHER a UHC SMART START UltraFET a SPM VCX STAR*POWER Stealth SuperSOT-3 SuperSOT-6 SuperSOT-8 SyncFET TinyLogic TruTranslation 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 FAIRCHILDS 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: 2. A critical component is any component of a life 1. Life support devices or systems are devices or 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. H5