KST24 KST24 VHF Mixer Transistor 3 2 1 SOT-23 1. Base 2. Emitter 3. Collector NPN Epitaxial Silicon Transistor Absolute Maximum Ratings Ta=25°C unless otherwise noted Symbol VCBO Collector-Base Voltage Parameter Value 40 Units V VCEO VEBO Collector-Emitter Voltage 30 V Emitter-Base Voltage 4 IC V Collector Current 100 mA PC Collector Power Dissipation 350 mW TSTG Storage Temperature 150 °C RTH(j-a) Thermal Resistance Junction to Ambient 357 °C/W • Refer to KSP24 for graphs Electrical Characteristics Ta=25°C unless otherwise noted Symbol BVCBO Parameter Collector-Base Breakdown Voltage Test Condition IC=100µA, IE=0 Min. 40 BVCEO Collector-Emitter Breakdown Voltage IC=1mA, IB=0 30 BVEBO Emitter-Base Breakdown Voltage IE=10µA, IC=0 4 ICBO Collector Cut-off Current VCB=15V, IE=0 hFE DC Current Gain VCE=10V, IC=8mA 30 fT * Current Gain Bandwidth Product VCE=10V, IC=8mA f=100MHz 400 Cob Output Capacitance VCB=10V, IE=0, f=1MHz GG Conversion Gain (213MHz to 45MHz) (60MHz to 45MHz) IC=8mA, VCC=20V Oscillator Injection=150mV Typ. Max. V V 50 620 0.25 19 24 Units V 24 29 nA MHz 0.36 pF dB dB * Pulse Test: PW≤300µs, Duty Cycle≤2% Marking 3A ©2002 Fairchild Semiconductor Corporation Rev. A2, November 2002 KST24 Package Dimensions ±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 ©2002 Fairchild Semiconductor Corporation Rev. A2, November 2002 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™ FACT™ ActiveArray™ FACT Quiet series™ Bottomless™ FAST® FASTr™ CoolFET™ CROSSVOLT™ FRFET™ GlobalOptoisolator™ DOME™ EcoSPARK™ GTO™ E2CMOS™ HiSeC™ EnSigna™ I2C™ Across the board. Around the world.™ The Power Franchise™ Programmable Active Droop™ ImpliedDisconnect™ ISOPLANAR™ LittleFET™ MicroFET™ MicroPak™ MICROWIRE™ MSX™ MSXPro™ OCX™ OCXPro™ OPTOLOGIC® OPTOPLANAR™ PACMAN™ POP™ Power247™ PowerTrench® QFET™ QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ SILENT SWITCHER® SMART START™ SPM™ Stealth™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic™ TruTranslation™ UHC™ UltraFET® 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. ©2002 Fairchild Semiconductor Corporation Rev. I1