BLF571,112 Ampleon

BLF571 HF / VHF power LDMOS transistor Rev. 3 1 September 2015 Product data sheet 1. Product profile 1.1 General description A 20 W LDMOS RF transistor for broadcast applications and industrial applications in the HF and VHF band. Table 1. Production test performance Mode of operation f V P G DS L p D (MHz) (V) (W) (dB) (%) CW 225 50 20 27.5 70 CAUTION This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken during transport and handling. 1.2 Features Typical CW performance at frequency of 225 MHz, a supply voltage of 50 V and an I Dq of 50 mA: Average output power = 20 W Power gain = 27.5 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 applicationsBLF571 HF / VHF power LDMOS transistor 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol 1 drain 1 1 2 gate 1 3 source 3 2 3 2 sym112 1 Connected to flange. 3. Ordering information Table 3. Ordering information Type number Package Name Description Version BLF571 - flanged LDMOST ceramic package 2 mounting holes SOT467C 2 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 - 3.6 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 junction to case T = 80 C P = 20 W 2.9 K/W th(j-c) case L BLF571 3 All information provided in this document is subject to legal disclaimers. Ampleon The Netherlands B.V. 2015. All rights reserved. Product data sheet Rev. 3 1 September 2015 2 of 14