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BFR540 Datasheet

NPN 9GHz wideband transistor

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BFR540
NPN 9 GHz wideband transistor
Rev. 6 — 13 September 2011
Product data sheet
1. Product profile
1.1 General description
The BFR540 is an NPN silicon planar epitaxial transistor in a SOT23 plastic package.
1.2 Features and benefits
High power gain
Low noise figure
High transition frequency
Gold metallization ensures excellent reliability.
1.3 Applications
RF front end wideband applications in the GHz range
Analog and digital cellular telephones
Cordless telephones (CT1, CT2, DECT, etc.)
Radar detectors
Satellite TV tuners (SATV)
MATV/CATV amplifiers
Repeater amplifiers in fiber-optic systems.
1.4 Quick reference data
Table 1. Quick reference data
Symbol Parameter
Conditions
Min Typ Max Unit
VCBO
VCES
collector-base voltage
collector-emitter
voltage
open emitter
RBE = 0
-
-
20
V
-
-
15
V
IC
collector current (DC)
-
-
120 mA
Ptot
total power dissipation Tsp 70 C
[1] -
-
500 mW
hFE
DC current gain
IC = 40 mA; VCE = 8 V
100 120 250
Cre
feedback capacitance IC = ic = 0 A; VCB = 8 V;
-
0.6 -
pF
f = 1 MHz
fT
transition frequency IC = 40 mA; VCE = 8 V;
-
9
-
GHz
f = 1 GHz
GUM
maximum unilateral
power gain
IC = 40 mA; VCE = 8 V;
Tamb = 25 C
f = 900 MHz
-
14
-
dB
f = 2 GHz
-
7
-
dB


NXP Semiconductors Electronic Components Datasheet

BFR540 Datasheet

NPN 9GHz wideband transistor

No Preview Available !

NXP Semiconductors
BFR540
NPN 9 GHz wideband transistor
Table 1.
Symbol
s212
NF
Quick reference data …continued
Parameter
Conditions
insertion power gain
IC = 40 mA; VCE = 8 V;
Tamb = 25 C;
f = 900 MHz
noise figure
s = opt; VCE = 8 V;
Tamb = 25 C
IC = 10 mA;
f = 900 MHz
IC = 40 mA;
f = 900 MHz
IC = 10 mA;
f = 2 GHz
[1] Tsp is the temperature at the soldering point of the collector tab.
2. Pinning information
Min Typ Max Unit
12
13
-
dB
-
1.3 1.8 dB
-
1.9 2.4 dB
-
2.1 -
dB
Table 2.
Pin
1
2
3
Pinning
Description
base
emitter
collector
Simplified outline Symbol
3
3
1
2
1
2
sym021
3. Ordering information
Table 3. Ordering information
Type number Package
Name
Description
BFR540
-
plastic surface mounted package; 3 leads
4. Marking
Table 4. Marking
Type number
BFR540
[1] * = p: Made in Hong Kong
* = t: Made in Malaysia
* = W: Made in China.
Marking code[1]
33*
Version
SOT23
BFR540
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 13 September 2011
© NXP B.V. 2011. All rights reserved.
2 of 14


Part Number BFR540
Description NPN 9GHz wideband transistor
Maker NXP
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BFR540 Datasheet PDF






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