0182998 ACRIAN INC A? =6DE poreessa 0001197 7 D Va SA A Bs SS Na GENERAL DESCRIPTION The UMIL25 is an internally matched UHF transistor designed for the 200-500 MHz frequency range. It may be operated in Class A, AB or C and features gold thin film metallization and surface passivation for highest proven MTTF. Diffused ballast resistors assure excellent ruggedness. The UMIL25 is the improved drop-in replacement for the CTC CM25-28. ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25% Case Temperature 7OW Maximum Voltage and Current BVces Collector to Emitter Voltage 60 V BVebo Emitter to Base Voltage 4.0V ke Collector Current 3A Maximum Temperatures Storage Temperature -65 to +150C Operating JunctionTemperature +200C POWER OUTPUT VS POWER INPUT (TYPICAL) 50 2 40 - > ~ 30 - z 5 20 ZA Oo YY i 10-_A, f= 400 MHz _| 5 Vom 28V ou 0 0.6 1.2 1.8 2.4 3.0 POWER INPUT (WATTS) 490 Race Street, San Jose, CA 95126 Ewenny Rd., Bridgend, Mid Glamorgan, CF31 3LQ, United Kingdom, Phone (0656) 68021 13 L1:B] [bi [ Milimeter A2:ERT A | 6.35 . 13:C 1 . Phone (408) 294-4200, TWX (910) 338-2172 [REV A AUG 1987 Printed in USA 179 47 DE po1sessa ooolisa 2 ff 0182998 ACRIAN INC. 7-33-13 ELECTRICAL CHARACTERISTICS! SYMBOL! CHARACTERISTICS TEST CONDITIONS MIN. TYP. MAX. UNITS Pout Power Output 25 Watts Pin Power Input fe 400MHz 3.2 | Watts Pg Power Gain Voce 28V 8.9 10 dB "Ie Collector Efficiency 50 % VSWR Load Mismatch Tolerance 5:1 BVebo Breakdown Voltage <5 Volt (Emitter to Base) ic= OA, lox SMA 4.0 olts BVces Breakdown Voltage - (Collector to Emitter) Vbe= 0A, lox 50mA 60 Volts BVceo | Breakdown Voltage Ibe OA, lox 50mA Volt (Collector to Emitter) A. 33 olts Capacitance- Cob Collector to Base f= 1MHz, Veb= 28V 22 27 | pe hte DC-Current Gain icm 500mA, Ve= 5V 10 @je Thermal Resistance 2.5 | [cw Note 1: Te = +25C unless otherwise specified POWER GAIN VS FREQUENCY (TYPICAL) wh ok, aN wk o z= z 9 < S 8 2 7 ie 200 300 400 500 FREQUENCY (MHz) DC SAFE OPERATING AREA (TYPICAL) IX COLLECTOR CURRENT (AMPS) 12 18 Vce (VOLTS) SPECIFICATIONS MAY BE SUBJECT TO CHANGE WITHOUT NOTICE 24 30 0182998 ACRIAN INC 47 DE oO182998 0001199 4 I; T-33-13 NORMALIZED IMPEDANCE AND ADMITTANCE COORDINATES +90 ) 1 o +130 +50 2 5 400MHz } 4 +145 Zin +30 200MHz 500MHz 200MHz 0 2 5 1 2 4 @ Zload 2 400MHz S00MHz 1453 -30 4 5 +130 2 50 1 . -90 NORMALIZED TO A 10 OHM SYSTEM FREQUENCY Zin FREQUENCY Zload MHz R JX MHz R JX 200 1.6 +1.5 200 7.6 0.0 300 1.1 +4.0 300 7.5 =-1.0 400 1.7 +5.1 400 6.0 =-1.3 500 1.7 +4,.2 500 3.0 -2.0