2N4427 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
2N4427 Datasheet PDF : 9 Pages
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Philips Semiconductors
Silicon planar epitaxial
overlay transistors
Product specification
2N3866; 2N4427
handbook, full pagewidth
input
50 Ω
VCC
C5
L3
C1
L1
DUT
(1)
C2
L2
C6
R
C3
L4
C4
output
50 Ω
MGC940
VCC = +12 V.
(1) The length of the external emitter wire is 1.6 mm.
Fig.5 Test circuit for the 2N4427 at 175 MHz.
List of components (see Fig.5)
COMPONENT
C1, C2, C3, C4
C5
C6
R
L1
DESCRIPTION
air trimmer capacitor
feed-through
capacitor
capacitor
resistor
2 turns 1.0 mm
copper wire
VALUE
4 to 29 pF
1 nF
12 nF
10 Ω
−
L2
Ferroxcube choke coil Z = 550 Ω;
f = 175 MHz
L3
2 turns 1.0 mm
−
copper wire
L4
3 turns 1.5 mm
−
copper wire
DIMENSIONS
CATALOGUE No.
int. diameter 6 mm;
winding pitch 2 mm;
leads 2 × 10 mm
4312 020 36640
int. diameter 5 mm;
winding pitch 2 mm;
leads 2 × 10 mm
int. diameter 10 mm;
winding pitch 2 mm;
leads 2 × 15 mm
1995 Oct 27
7
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