NTE333 & NTE334 Silicon NPN Transistors RF Power Output Description: The NTE333 & NTE334 are designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30MHz. Features: Specified 12.5 Volt, 30MHz Characteristics Output Power = 60 Watts Minimum Gain = 13dB Efficiency = 55% Absolute Maximum Ratings: Collector Emitter Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V CEO Collector Emitter Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V CES EmitterBase Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V EBO Collector Current Continuous, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15A C Total Device Dissipation (T = +25C), P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175W C D Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W/C Storage Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 to +150C stg Thermal Resistance, Junction toCase, R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0C/W thJC Note 1. NTE334 is a discontinued device and no longer available. Electrical Characteristics: (T = +25C unless otherwise specified). C Parameter Symbol Test Conditions Min Typ Max Unit OFF Characteristics CollectorEmitter Breakdown Voltage V I = 100mA, I = 0 18 V (BR)CEO C B CollectorEmitter Breakdown Voltage V I = 50mA, V = 0 36 V (BR)CES C BE EmitterBase Breakdown Voltage V I = 10mA, I = 0 4.0 V (BR)EBO E C ON Characteristics DC Current Gain h I = 5.0A, V = 5.0V 10 150 FE C CE Dynamic Characteristics Output Capacitance C V = 12.5Vdc, I = 0, f = 1.0MHz 250 pF ob CB E CommonEmitter Amplifier Power Gain G V = 12.5Vdc, P = 60W, f = 30MHz 13 dB pe CC out Collector Efficiency V = 12.5Vdc, P = 60W, f = 30MHz 55 % CC out Series Equivalent Input Impedance Z V = 12.5Vdc, P = 60W, f = 30MHz 1.6 Ohms in CC out j.844 Series Equivalent Output Impedance Z V = 12.5Vdc, P = 60W, f = 30MHz 1.7 Ohms out CC out j.188Electrical Characteristics (Contd): (T = +25C unless otherwise specified). C Parameter Symbol Test Conditions Min Typ Max Unit Dynamic Characteristics (Contd) Parallel Equivalent Input Impedance Z V = 12.5Vdc, P = 60W, f = 30MHz 2.09/ /pF in CC out 1030 Parallel Equivalent Output Impedance Z V = 12.5Vdc, P = 60W, f = 30MHz 1.75/ /pF out CC out 330 NTE333 .122 (3.1) .725 (18.42) Dia (2 Holes) EC .250 (6.35) BE .225 (5.72) .860 (21.84) .378 (9.56) .005 (0.15) .255 (6.5) .185 (4.7) .975 (24.77) .085 (2.14) NTE334 1.040 (26.4) Max .520 (13.2) C .230 (5.84) EE B .385 (9.8) .100 (2.54) .005 (0.15) Dia .168 (4.27) .750 (19.05) 8 32 NC 3A Wrench Flat