BLF522 查看數據表（PDF） - Philips Electronics
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BLF522 Datasheet PDF : 12 Pages
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Philips Semiconductors
UHF power MOS transistor
Product specification
BLF522
List of components (class-B test circuit)
COMPONENT
DESCRIPTION
C1, C8, C20
multilayer ceramic chip capacitor
(note 1)
C2
multilayer ceramic chip capacitor
(note 2)
C3, C5, C18, C19 film dielectric trimmer
C4
multilayer ceramic chip capacitor
(note 2)
C6, C7, C15, C16, multilayer ceramic chip capacitor
C17
(note 2)
C9, C10, C11, C13 multilayer ceramic chip capacitor
C12
multilayer ceramic chip capacitor
(note 1)
C14
electrolytic capacitor
L1
stripline (note 3)
L2
stripline (note 3)
L3
stripline (note 3)
L4, L5
stripline (note 3)
L6
4 turns enamelled 0.8 mm copper
wire
VALUE
430 pF, 50 V
3.9 pF, 50 V
2 to 18 pF
20 pF, 50 V
10 pF, 50 V
100 nF, 50 V
390 pF, 50 V
10 µF, 63 V
50 Ω
50 Ω
50 Ω
42 Ω
24.9 nH
L7
grade 3B Ferroxcube RF choke
L8
stripline (note 3)
50 Ω
L9
stripline (note 3)
50 Ω
L10
stripline (note 3)
50 Ω
R1
0.4 W metal film resistor
10 kΩ
R2
0.4 W metal film resistor
1 kΩ
R3
10 turns cermet potentiometer
50 kΩ
R4
0.4 W metal film resistor
47 kΩ
R5
1 W metal film resistor
10 Ω
DIMENSIONS CATALOGUE NO.
2222 809 09003
2222 852 47104
36.6 × 2.5 mm
16.7 × 2.5 mm
7.7 × 2.5 mm
3 × 3 mm
length 6.9 mm
int. dia. 2.5 mm
leads 2 × 5 mm
10 × 2.5 mm
16.5 × 2.5 mm
34.5 × 2.5 mm
2222 030 38109
4312 020 36642
2322 151 51003
2322 151 51002
2322 151 54703
2322 153 51009
Notes
1. American Technical Ceramics (ATC) capacitor, type 100B or other capacitor of the same quality.
2. American Technical Ceramics (ATC) capacitor, type 100A or other capacitor of the same quality.
3. The striplines are on a double copper-clad printed circuit board, with PTFE fibre-glass dielectric (εr = 2.2);
thickness 0.79 mm.
September 1992
8
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