BLF574,112

BLF574 HF / VHF power LDMOS transistor Rev. 4 1 December 2016 Product data sheet 1. Product profile 1.1 General description A 500 W to 600 W LDMOS power transistor for broadcast applications and industrial applications in the HF to 500 MHz band. Table 1. Application information Mode of operation f V P G DS L p D (MHz) (V) (W) (dB) (%) CW 225 50 500 26.5 70 108 50 600 27.5 73 1.2 Features and benefits Typical CW performance at frequency of 225 MHz, a supply voltage of 50 V and an I Dq of 1000 mA: Average output power = 500 W Power gain = 26.5 dB Efficiency = 70 % Easy power control Integrated ESD protection Excellent ruggedness High efficiency Excellent thermal stability Designed for broadband operation (10 MHz to 500 MHz) Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS) 1.3 Applications Industrial, scientific and medical applications Broadcast transmitter applicationsBLF574 HF / VHF power LDMOS transistor 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol 1drain1 12 1 2drain2 5 3gate1 3 4gate2 3 4 5 4 1 5source 2 sym117 1 Connected to flange. 3. Ordering information Table 3. Ordering information Type number Package Name Description Version BLF574 - flanged balanced LDMOST ceramic package SOT539A 2 mounting holes 4 leads 4. Limiting values Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit V drain-source voltage - 110 V DS V gate-source voltage 0.5 +11 V GS I drain current - 56 A D T storage temperature 65 +150 C stg T junction temperature - 225 C j 5. Thermal characteristics Table 5. Thermal characteristics Symbol Parameter Conditions Typ Unit R thermal resistance from T =80 C P =400 W 0.23 K/W th(j-c) case L junction to case 1 R is measured under RF conditions. th(j-c) BLF574 All information provided in this document is subject to legal disclaimers. Ampleon Netherlands B.V. 2016. All rights reserved. Product data sheet Rev. 4 1 December 2016 2 of 19