NEC 2SC4225
The 2SC4225 is an NPN silicon epitaxial transistor designed for low noise amplifier at VHF through UHF band. It has large dynamic range and good current characteristics.DESCRIPTION
PACKAGE DIMENSIONS in millimeters 2.1 ± 0.1 1.25 ± 0.1FEATURES
2.0 ± 0.2 0.3 +0.1 –0● Low Noise and High Gain NF = 1.5 dB TYP. S21e 2 = 10 dB TYP. at VCE = 10 V, IC = 5 mA, f = 1 GHz at VCE = 10 V, IC = 20 mA, f = 1 GHz (reference value) 0.65 0.65 2 0.3
ABSOLUTE MAXIMUM RATINGS
(TA = 25 ˚C) Collector to Base Voltage Collector to Emitter Voltage Emitter to Base Voltage Collector Current Total Power Dissipation Junction Temperature Storage Temperature VCB0 VCE0 VEB0 IC PT Tj Tstg 25 12 3.0 70 160 150 –65 to +150 V V V mA mW ˚ C ˚ C 0.9 ± 0.1 MarkingELECTRICAL CHARACTERISTICS
(TA = 25 ˚C) Characteristics Collector Cutoff Current Emitter Cutoff Current DC Current Gain Gain Bandwidth Product Output Capacitance Insertion Power Gain Noise Figure Symbol ICB0 IEB0 hFE fT Cob S21e 2 NF 7.5 40 80 4 1.2 9.0 1.5 3.0 1.8 MIN. TYP. MAX. 1.0 1.0 200 PIN CONNECTIONS 1. Emitter 2. Base 3. Collector Unit Test Conditions VCB = 10 V, IE = 0 VEB = 2 V, IC = 0 VCE = 3 V, IC = 20 mA, pulsed...