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BF545B

Marking:21*;Package:SOT-23;N-channel silicon junction field-effect transistors

DESCRIPTION N-channelsymmetricalsiliconjunctionfield-effecttransistorsinaSOT23package. FEATURES ?Lowleakagelevel(typ.500fA) ?Highgain ?Lowcut-offvoltage(max.2.2VforBF545A). APPLICATIONS ?Impedanceconvertersine.g.electretmicrophonesandinfra-

PhilipsNXP Semiconductors

飛利浦荷蘭皇家飛利浦

BF545B

Marking:21*;Package:SOT-23;RF Manual 16th edition

Generaldescription 10WplasticLDMOSpowertransistorforbasestationapplicationsatfrequenciesfrom700MHzto2700MHz. Featuresandbenefits ■Highefficiency ■Excellentruggedness ■Designedforbroadbandoperation ■Excellentthermalstability ■Highpowergain ■IntegratedESDp

nxpNXP Semiconductors

恩智浦恩智浦半導(dǎo)體公司

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