e PTB 20171 25 Watts, 935–960 MHz Cellular Radio RF Power Transistor Description The 20171 is a class AB, NPN, common emitter RF power transistor intended for 24 Vdc operation from 935 to 960 MHz. Rated at 25 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. 25 Watts, 935–960 MHz Class AB Characteristics Gold Metallization Silicon Nitride Passivated Typical Output Power vs. Input Power Output Power (Watts) 40 30 201 71 LOT 20 CO DE VCC = 24 V ICQ = 150 mA f = 960 MHz 10 0 0 1 2 3 4 5 Package 20200 Input Power (Watts) Maximum Ratings Parameter Symbol Value Unit Collector-Emitter Voltage VCER 50 Vdc Collector-Base Voltage VCBO 50 Vdc Emitter-Base Voltage (collector open) VEBO 4.0 Vdc Collector Current (continuous) IC 5.0 Adc Total Device Dissipation at Tflange = 25°C PD 145 Watts 0.833 W/°C Above 25°C derate by Storage Temperature Range TSTG –40 to +150 °C Thermal Resistance (Tflange = 70°C) RθJC 1.2 °C/W 1 9/28/98 e PTB 20171 Electrical Characteristics (100% Tested) Characteristic Conditions Symbol Min Typ Max Units Breakdown Voltage C to E IB = 0 A, IC = 10 mA, RBE = 22 Ω V(BR)CER 50 50 — Volts Breakdown Voltage C to E VBE = 0 V, IC = 10 mA V(BR)CES 55 60 — Volts Breakdown Voltage E to B IC = 0 A, IE = 5 mA V(BR)EBO 4 5 — Volts DC Current Gain VCE = 5 V, IC = 1 A hFE 20 40 — — Symbol Min Typ Max Units Gain (VCC = 24 Vdc, Pout = 25 W, ICQ = 150 mA, f = 960 MHz) Gpe — 10.0 — dB Collector Efficiency (VCC = 24 Vdc, Pout = 25 W, ICQ = 150 mA, f = 960 MHz) ηC — 55 — % Ψ — — 10:1 — RF Specifications (100% Tested) Characteristic Load Mismatch Tolerance (VCC = 24 Vdc, Pout = 25 W, ICQ = 150 mA, f = 960 MHz—all phase angles at frequency of test) Impedance Data (data shown for fixed-tuned broadband circuit) (VCC = 24 Vdc, Pout = 25 W, ICQ = 150 mA) Z Source Frequency Ericsson Components RF Power Products 675 Jarvis Drive Morgan Hill, CA 95037 USA Telephone: 408-778-9434 Z Load Z Source Z Load MHz R jX R jX 935 4.25 -10.09 11.92 -8.34 947 4.11 -9.81 11.66 -8.47 960 3.97 -9.66 11.34 -8.83 1-877-GOLDMOS (1-877-465-3667) e-mail: [email protected] www.ericsson.com/rfpower 2 Specifications subject to change without notice. LF © 1997 Ericsson Inc. EUS/KR 1301-PTB 20171 Uen Rev. B 09-28-98