NTE236 Silicon NPN Transistor Final RF Power Output (PO = 16W, 27MHz, SSB) TO220AB Description: The NTE236 is a silicon NPN transistor in a TO220AB type package designed for 10−14 watt output power class AB amplifier applications in the HF band. Features: D High Power Gain: Gpe ≥ 12dB, PO = 16W, f = 27MHz D High Reliability Application: D 10 to 14 Watt Output Power Class AB Amplifier Applications in the HF band Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Collector−Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V Collector−Emitter Voltage (RBE = ∞), VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Emitter−Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Collector Dissipation, PC TA = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7W TC = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C Thermal Resistance, Junction−to−Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73.5°C/W Thermal Resistance, Junction−to−Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.25°C/W Rev. 12−10 Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Emitter−Base Breakdown Voltage V(BR)EBO IE = 5mA, IC = 0 5 − − V Collector−Base Breakdown Voltage V(BR)CBO IC = 1mA, IE = 0 60 − − V Collector−Emitter Breakdown Voltage V(BR)CEO IC = 10mA, RBE = ∞ 25 − − V Collector Cutoff Current ICBO VCB = 30V, IE = 0 − − 0.1 mA Emitter Cutoff Current IEBO VEB = 4V, IC = 0 − − 0.1 mA DC Forward Current Gain hFE VCE = 12V, IC = 10mA 90 − 180 − Output Power PO VCC = 12V, Pin = 1W, f = 27MHz 16 18 − W Collector Efficiency hC VCC = 12V, Pin = 1W, f = 27MHz 60 70 − % .420 (10.67) Max .110 (2.79) .147 (3.75) Dia Max .500 (12.7) Max .250 (6.35) Max .500 (12.7) Min .070 (1.78) Max Base .100 (2.54) Emitter Collector/Tab