MRF448 MOTOROLA | Alldatasheet

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MRF448MOTOROLA RF DEVICE DATA The RF Line /C0078/C0080/C0078 /C0083/C0105/C0108/C0105/C0099/C0111/C0110 /C0082/C0070 /C0080/C0111/C0119/C0101/C0114 /C0084/C0114/C0097/C0110/C0115/C0105/C0115/C0116/C0111/C0114 Designed primarily for high–voltage applications as a high–power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment.

  • Specified 50 Volt, 30 MHz Characteristics Output Power = 250 W Minimum Gain = 12 dB Efficiency = 45%
  • Intermodulation Distortion @ 250 W (PEP) — IMD = –30 dB (Max)
  • 100% Tested for Load Mismatch at all Phase Angles with 3:1 VSWR MAXIMUM RATINGS Rating Symbol Value Unit Collector–Emitter Voltage VCEO 50 Vdc Collector–Base Voltage VCBO 100 Vdc Emitter–Base Voltage VEBO 4.0 Vdc Collector Current — Continuous IC 16 Adc Withstand Current — 10 s — 20 Adc Total Device Dissipation @ TC = 25°C (1) Derate above 25°C PD 290 1.67 Watts W/°C Storage Temperature Range Tstg –65 to +150 °C THERMAL CHARACTERISTICS Characteristic Symbol Max Unit Thermal Resistance, Junction to Case R θJC 0.6 °C/W ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.) Characteristic Symbol Min Typ Max Unit OFF CHARACTERISTICS Collector–Emitter Breakdown Voltage (IC = 200 mAdc, IB = 0) V(BR)CEO 50 — — Vdc Collector–Emitter Breakdown Voltage (IC = 100 mAdc, VBE = 0) V(BR)CES 100 — — Vdc Collector–Base Breakdown Voltage (IC = 100 mAdc, IE = 0) V(BR)CBO 100 — — Vdc Emitter–Base Breakdown Voltage (IE = 10 mAdc, IC = 0) V(BR)EBO 4.0 — — Vdc NOTE: (continued) 1. PD is a measurement reflecting short term maximum condition. See SOAR curve for operating conditions. Order this document by MRF448/D /C0077/C0079/C0084/C0079/C0082/C0079/C0076/C0065 SEMICONDUCTOR TECHNICAL DATA /C0077/C0082/C0070/C0052/C0052/C0056

250 W, 30 MHz

CASE 211–11, STYLE 1  Motorola, Inc. 1994

  1. To Mil–Std–1311 Version A, Test Method 2204, Two Tone, Reference each T one.

Figure 1. 30 MHz Test Circuit Schematic L3 — 12 Turns, #16 Enameled Wire Closewound 0.25″ I.D.

50 Vdc

MRF448MOTOROLA RF DEVICE DATA PACKAGE DIMENSIONS CASE 211–11 ISSUE N NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. STYLE 1: PIN 1. EMITTER 2. BASE 3. EMITTER 4. COLLECTOR A U M MQ R B D K E SEATING PLANE C J H DIM MIN MAX MIN MAX MILLIMETERSINCHES A 0.960 0.990 24.39 25.14 B 0.465 0.510 11.82 12.95 C 0.229 0.275 5.82 6.98 D 0.216 0.235 5.49 5.96 E 0.084 0.110 2.14 2.79 H 0.144 0.178 3.66 4.52 J 0.003 0.007 0.08 0.17 M 45 NOM 45 NOM Q 0.115 0.130 2.93 3.30 R 0.246 0.255 6.25 6.47 U 0.720 0.730 18.29 18.54 /C0095 /C0095

Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA / EUROPE : Motorola Literature Distribution; JAPAN : Nippon Motorola Ltd.; T atsumi–SPD–JLDC, T oshikatsu Otsuki, P .O. Box 20912; Phoenix, Arizona 85036. 1–800–441–2447 6F Seibu–Butsuryu–Center, 3–14–2 T atsumi Koto–Ku, T okyo 135, Japan. 03–3521–8315 INTERNET : http://Design–NET .com 51 Ting Kok Road, T ai Po, N.T ., Hong Kong. 852–26629298 MRF448/D /C0042/C0077/C0082/C0070/C0052/C0052/C0056/C0047/C0068/C0042