BLF881,112

BLF881 BLF881S UHF power LDMOS transistor Rev. 4 1 September 2015 Product data sheet 1. Product profile 1.1 General description A 140 W LDMOS RF power transistor for broadcast transmitter applications and industrial applications. The transistor can deliver 140 W from HF to 1 GHz. The excellent ruggedness and broadband performance of this device makes it ideal for digital transmitter applications. Table 1. Typical performance RF performance at V = 50 V in a common-source 860 MHz test circuit. DS Mode of operation f P P P G IMD3 IMD L L(PEP) L(AV) p D shldr (MHz) (W) (W) (W) (dB) (%) (dBc) (dBc) 2-tone, class AB f = 860 f = 860.1 - 140 - 21 49 34 - 1 2 1 DVB-T (8k OFDM) 858 - - 33 21 34 - 33 1 Measured dBc with delta marker at 4.3 MHz from center frequency. CAUTION This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken during transport and handling. 1.2 Features and benefits 2-Tone performance at 860 MHz, a drain-source voltage V of 50 V and a quiescent DS drain current I =0.5 A: Dq Peak envelope power load power = 140 W Power gain = 21 dB Drain efficiency = 49 % Third order intermodulation distortion = 34 dBc DVB performance at 858 MHz, a drain-source voltage V of 50 V and a quiescent DS drain current I =0.5 A: Dq Average output power = 33 W Power gain = 21 dB Drain efficiency = 34 % Shoulder distance = 33 dBc (4.3 MHz from center frequency) Integrated ESD protection Excellent ruggedness High power gainBLF881 BLF881S UHF power LDMOS transistor High efficiency Excellent reliability Easy power control Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS) 1.3 Applications Communication transmitter applications in the UHF band Industrial applications in the UHF band 2. Pinning information Table 2. Pinning Pin Description Simplified outline Graphic symbol BLF881 (SOT467C) 1drain 1 2gate 1 3source 2 3 sym112 BLF881S (SOT467B) 1drain 1 1 2gate 1 3source 3 2 3 2 sym112 1 Connected to flange. 3. Ordering information Table 3. Ordering information Type number Package Name Description Version BLF881 - flanged LDMOST ceramic package 2 mounting holes 2 leads SOT467C BLF881S - earless LDMOST ceramic package 2 leads SOT467B BLF881 BLF881S 4 All information provided in this document is subject to legal disclaimers. Ampleon The Netherlands B.V. 2015. All rights reserved. Product data sheet Rev. 4 1 September 2015 2 of 18