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BFU540 Datasheet, PDF (2/16 Pages) NXP Semiconductors – NPN SiGe wideband transistor | |||
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Philips Semiconductors
NPN SiGe wideband transistor
Product speciï¬cation
BFU540
FEATURES
⢠Very high power gain
⢠Very low noise figure
⢠High transition frequency
⢠Emitter is thermal lead
⢠Low feedback capacitance
⢠45 GHz SiGe process.
PINNING
PIN
1
2
3
4
DESCRIPTION
emitter
base
emitter
collector
APPLICATIONS
⢠RF front end
⢠Wideband applications, e.g. analog and digital cellular
telephones, cordless telephones (PHS, DECT, etc.)
⢠Radar detectors
⢠Pagers
⢠Satellite television tuners (SATV)
⢠High frequency oscillators.
DESCRIPTION
NPN SiGe wideband transistor for low voltage applications
in a plastic, 4-pin dual-emitter SOT343R package.
handbook, halfpage
3
4
2
Top view
1
MSB842
Marking code: A4.
Fig.1 Simplified outline SOT343R.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
VCBO
VCEO
IC
Ptot
hFE
Gmax
NF
collector-base voltage open emitter
â
collector-emitter voltage open base
â
collector current (DC)
â
total power dissipation Ts ⤠98 °C
â
DC current gain
IC = 40 mA; VCE = 2 V; Tj = 25 °C
70
maximum power gain IC = 40 mA; VCE = 2 V; f = 2 GHz; Tamb = 25 °C â
noise ï¬gure
IC = 2 mA; VCE = 2 V; f = 2 GHz; ÎS = Îopt
â
â
9
V
â
2.3 V
40 50 mA
â
115 mW
140 210
20 â
dB
0.9 â
dB
CAUTION
This product is supplied in anti-static packing to prevent damage caused by electrostatic discharge during transport
and handling. For further information, refer to Philips specs.: SNW-EQ-608, SNW-FQ-302A and SNW-FQ-302B.
2003 Jun 12
2
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