KSC945 KSC945 Audio Frequency Amplifier & High Frequency OSC. • • • • Complement to KSA733 Collector-Base Voltage : VCBO=60V High Current Gain Bandwidth Product : fT=300MHz (TYP) Suffix “-C” means Center Collector (1. Emitter 2. Collector 3. Base) TO-92 1 1. Emitter 2. Base 3. Collector NPN Epitaxial Silicon Transistor Absolute Maximum Ratings Ta=25°C unless otherwise noted Symbol VCBO Collector-Base Voltage Parameter Value 60 Units V VCEO VEBO Collector-Emitter Voltage 50 V Emitter-Base Voltage 5 IC V Collector Current 150 mA PC Collector Power Dissipation 250 mW TJ Junction Temperature 150 °C TSTG Storage Temperature -55 ~ 150 °C Electrical Characteristics Ta=25°C unless otherwise noted Symbol BVCBO Parameter Collector-Base Breakdown Voltage Test Condition IC=100µA, IE=0 Min. 60 BVCEO Collector-Emitter Breakdown Voltage IC=10mA, IB=0 50 BVEBO Emitter-Base Breakdown Voltage IE=10µA, IC=0 5 ICBO Collector Cut-off Current VCB=40V, IE=0 IEBO Emitter Cut-off Current VEB=3V, IC=0 hFE DC Current Gain VCE=6V, IC=1.0mA Typ. Max. Units V V V 40 0.1 µA 0.1 µA 700 VCE (sat) Collector-Emitter Saturation Voltage IC=100mA, IB=10mA 0.15 fT Current Gain Bandwidth Product VCE=6V, IC=10mA 300 0.3 V MHz Cob Output Capacitance VCB=6V, IE=0, f=1MHz 2.5 pF NF Noise Figure VCE=6V, IC=0.5mA f=1KHz, RS=500Ω 4.0 dB hFE Classification Classification R O Y G L hFE 40 ~ 80 70 ~ 140 120 ~ 240 200 ~ 400 350 ~ 700 ©2002 Fairchild Semiconductor Corporation Rev. A2, September 2002 KSC945 Typical Characteristics 100 100 VCE = 6V IB = 350 µ A IC[mA], COLLECTOR CURRENT IC[mA], COLLECTOR CURRENT IB = 400µ A 80 IB = 300µ A IB = 250µ A 60 IB = 200µ A IB = 150 µ A 40 IB = 100 µ A 20 IB = 50µ A 2 4 6 8 10 12 14 16 18 1 0.1 0.0 0 0 10 20 VCE[V], COLLECTOR-EMITTER VOLTAGE VBE(sat), VCE(sat)[V], SATURATION VOLTAGE hFE, DC CURRENT GAIN VCE = 6V 100 10 100 V BE(sat) 1 0.1 V CE(sat) 0.01 1 10 100 1000 10 1 0.1 100 VCB [V], COLLECTOR-BASE VOLTAGE Figure 5. Output Capacitance 1000 fT[MHz], CURRENT GAIN BANDWIDTH PRODUCT Figure 4. Base-Emitter Saturation Voltage Collector-Emitter Saturation Voltage IE = 0 f = 1MHz Cob [pF], CAPACITANCE 1.2 IC[mA], COLLECTOR CURRENT 100 ©2002 Fairchild Semiconductor Corporation 1.0 IC = 10 IB 1000 Figure 3. DC current Gain 10 0.8 10 IC[mA], COLLECTOR CURRENT 1 0.6 Figure 2. Transfer Characteristic 1000 10 0.4 VBE[V], BASE-EMITTER VOLTAGE Figure 1. Static Characteristic 1 0.2 1000 VCE = 6V 100 10 1 0.1 1 10 100 IC[mA], COLLECTOR CURRENT Figure 6. Current Gain Bandwidth Product Rev. A2, September 2002 KSC945 Package Dimensions TO-92 +0.25 4.58 ±0.20 4.58 –0.15 ±0.10 14.47 ±0.40 0.46 1.27TYP [1.27 ±0.20] 1.27TYP [1.27 ±0.20] ±0.20 (0.25) +0.10 0.38 –0.05 1.02 ±0.10 3.86MAX 3.60 +0.10 0.38 –0.05 (R2.29) Dimensions in Millimeters ©2002 Fairchild Semiconductor Corporation Rev. A2, September 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