BF246B N-Channel Switch BF246B N-Channel Switch • This device is designed for low level analog switching, sample and hold circuits and chopper stabalized amplifiers. • Sourced from process 51. • See J111 for characteristics. TO-92 DGS 1. Drain 2. Gate 3. Source Absolute Maximum Ratings* Symbol Ta = 25°C unless otherwise noted Value Units VDG Drain-Gate Voltage Parameter 25 V VGS Gate-Source Voltage -25 V IGF Forward Gate Current 50 mA TJ, TSTG Operating and Storage Junction Temperature Range -55 ~ 150 °C * These ratings are limiting values above which the serviceability of any semiconductor device may e impaired. Notes: 1. These ratings are based on a maximum junction temperature of 150 degrees C. 2. These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. Electrical Characteristics Symbol Ta = 25°C unless otherwise noted Parameter Conditions Min. Max Units -5.0 nA -0.6 -14.5 V 60 140 mA Off Characteristics V(BR)GSS Gate-Source Breakdown Voltage IG = 1.0µA, VDS = 0 IGSS Gate Reverse Current VGS = -15V, VDS = 0 VGS(off) Gate-Source Cutoff Voltage VDS = 15V, ID = 10nA -25 V On Characteristics* IDSS Zero-Gate Voltage Drain Current * Thermal Characteristics T a Symbol VDS = 15V, VGS = 0 = 25°C unless otherwise noted Parameter Value Units PD Total Device Dissipation 625 5.0 mW mW/°C RθJC Thermal Resistance, Junction to Case 125 °C/W RθJA Thermal Resistance, Junction to Ambient 357 °C/W ©2005 Fairchild Semiconductor Corporation BF246B Rev. A 1 www.fairchildsemi.com BF246B N-Channel Switch Mechanical Dimensions TO-92 Dimensions in Millimeters BF246B Rev. A 2 www.fairchildsemi.com 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 3 BF246B Rev. A www.fairchildsemi.com BF246B N-Channel Switch TRADEMARKS