e PTB 20155 9 Watts, 610–960 MHz UHF Power Transistor Description The 20155 is an NPN common base RF power transistor intended for 28 Vdc class C operation from 610 to 960 MHz. Rated at 9 watts minimum output power, it may be used for both CW and PEP applications. Ion implantation, nitride surface passivation and gold metallization are used to ensure excellent device reliability. 100% lot traceability is standard. 9 Watts, 610–960 MHz Class C Characteristics Gold Metallization Silicon Nitride Passivated Typical Gain & Return Loss vs. Frequency 10 (as measured in a broadband circuit) 0 Gain (dB) 8 -5 VCC = 28 V Pin = 9 W 6 4 2 0 700 -10 -15 -20 Return Loss (dB) 750 800 850 900 Return Loss (dB) Gain (dB) 201 55 LOT COD E -25 950 Frequency (MHz) Package 20209 Maximum Ratings Parameter Symbol Value Unit Collector-Emitter Voltage VCER 40 Vdc Collector-Base Voltage VCBO 50 Vdc Emitter-Base Voltage (collector open) VEBO 4 Vdc Collector Current (continuous) IC 6.7 Adc Total Device Dissipation at Tflange = 25°C PD Above 25°C derate by 65 Watts 0.37 W/°C Storage Temperature Range TSTG –40 to +150 °C Thermal Resistance (Tflange = 70°C) RθJC 2.7 °C/W 1 9/28/98 e PTB 20155 Electrical Characteristics (100% Tested) Characteristic Conditions Symbol Min Typ Max Units Breakdown Voltage C to E VBE = 0 V, IC = 5 mA V(BR)CES 50 — — Volts Breakdown Voltage E to B IC = 0 A, IE = 5 mA V(BR)EBO 3.5 — — Volts DC Current Gain VCE = 5 V, IC = 300 mA hFE 25 — 100 — Output Capacitance VCB = 28 V, IE = 0 A, f = 1 MHz Cob — 10.5 11 pF Collector Cut-off Current VCB = 28 V, IE = 0 A ICBO — — 1.5 mA Symbol Min Typ Max Units Gain (VCC = 28 Vdc, Pout = 9 W, f = 960 MHz) Gpe 8.0 9.0 — dB Collector Efficiency (VCC = 28 Vdc, Pout = 9 W, f = 960 MHz) ηC 45 53 — % RF Specifications (100% Tested) Characteristic Impedance Data (data shown for fixed-tuned broadband circuit) (VCC = 28 Vdc, Pout = 9 W) Z Source Frequency Z Load Z Source Z Load MHz R jX R jX 850 4.4 -10.7 8.6 3.6 900 6.4 -10.0 9.3 4.9 960 6.4 -14.3 7.8 3.1 2 e PTB 20155 Typical Performance 60 8 50 6 40 4 30 VCC = 28 V f = 960 MHz 2 20 0 Efficiency (%) Gain (dB) Gain & Efficiency vs. Power Out 10 10 0 2 4 6 8 10 Output Power (Watts) Ericsson Components RF Power Products 675 Jarvis Drive Morgan Hill, CA 95037 USA Telephone: 408-778-9434 1-877-GOLDMOS (1-877-465-3667) e-mail: [email protected] www.ericsson.com/rfpower 3 Specifications subject to change without notice. LF © 1996 Ericsson Inc. EUS/KR 1301-PTB 20155 Uen Rev. C 09-28-98