DESCRIPTION
NPN overlay transistors in TO-39 metal packages with the collector connected to the case. PINNING - TO-39/1 PIN 1 2 3 emitter base collector handbook, halfpage 2N3866; 2N4427 APPLICATIONS
● The transistors are intended for use in output, driver or pre-driver stages in VHF and UHF equipment. DESCRIPTION
1 2 MBB199 3 Fig.1 Simplified outline. QUICK REFERENCE DATA SYMBOL VCER 2N3866 2N4427 VCEO collector-emitter voltage 2N3866 2N4427 VEBO emitter-base voltage 2N3866 2N4427 IC IC(AV) Ptot fT Tj RF performance TYPE NUMBER 2N3866 2N4427 f (MHz) 400 175 VCE (V) 28 12 Po (W) 1 1 Gp (dB) >10 >10 η (%) >45 >50 collector current (DC) average collector current total power dissipation transition frequency junction temperature measured over any 20 ms period up to Tmb = 25 °C IC = 50 mA; VCE = 15 V; f = 200 MHz open collector − − − − − 500 − 3.5 2.0 0.4 0.4 3.5 − 200 V V A A W MHz °C open base − − 30 20 V V PARAMETER collector-emitter voltage CONDITIONS RBE = 10 Ω − − 55 40 V V MIN. MAX.
NXP Semiconductors
