BCX19 BCX19 NPN Medium Power Transistor 3 • This device is designed for general purpose amplifiers. • Sourced from process 38. 2 SOT-23 Marking: U1 1. Base 2. Emitter 3. Collector 1 Absolute Maximum Ratings TC=25°C unless otherwise noted Symbol VCEO Collector-Emitter Voltage Parameter Value 45 Units V VCBO VEBO Collector-Base Voltage 50 V Emitter-Base Voltage 5.0 IC Collector current V 500 mW TJ, Tstg Junction and Storage Temperature -55 ~ +150 °C - Continuous Electrical Characteristics TC=25°C unless otherwise noted Symbol Parameter Test Condition Min. Typ. Max. Units OFF CHARACTERISTICS V(BR)CEO Collector-Emitter Breakdown Voltage IC = 10mA, IB = 0 45 V V(BR)CES Collector-Emitter Breakdown Voltage IC = 10µA, IC = 0 50 V ICBO Collector Cutoff Current VCB = 20V, IE = 0 VCB = 20V, IE = 0, TA = 150°C 100 5.0 nA µA IEBO Emitter Cutoff Current VEB = 5.0V, IC = 0 10 µA ON CHARACTERISTICS hFE DC Current Gain IC = 100mA, VCE = 1.0V IC = 300mA, VCE = 1.0V IC = 500mA, VCE = 1.0V VCE(sat) Collector-Emitter Saturation Voltage IC = 500mA, IB = 50mA 0.62 V VBE(on) Base-Emitter On Voltage IC = 500mA, VCE = 1.0V 1.2 V 100 70 40 600 Thermal Characteristics TA=25°C unless otherwise noted Symbol PD RθJA Total Device Dissipation Derate above 25°C Parameter Max. 300 2.4 Units mW mW/°C Thermal Resistance, Junction to Ambient 417 °C/W ©2001 Fairchild Semiconductor Corporation Rev. A, Octorber 2001 BCX19 Package Demensions ±0.10 ±0.10 2.40 0.40 ±0.03 1.30 0.45~0.60 0.20 MIN SOT-23 0.03~0.10 0.38 REF 0.40 ±0.03 +0.05 0.12 –0.023 0.96~1.14 0.97REF 2.90 ±0.10 0.95 ±0.03 0.95 ±0.03 1.90 ±0.03 0.508REF Dimensions in Millimeters ©2001 Fairchild Semiconductor Corporation Rev. A, Octorber 2001 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™ E2CMOS™ EnSigna™ 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™ SLIENT SWITCHER® SMART START™ STAR*POWER™ Stealth™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TruTranslation™ TinyLogic™ 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 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. ©2001 Fairchild Semiconductor Corporation Rev. H4