BLF544 查看數據表（PDF） - Unspecified
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BLF544 Datasheet PDF : 16 Pages
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Philips Semiconductors
UHF power MOS transistor
Product specification
BLF544
List of components (see Figs 12 and 13)
COMPONENT
DESCRIPTION
C1
multilayer ceramic chip capacitor;
note 1
C2
multilayer ceramic chip capacitor;
note 2
C3, C5, C16, C18 film dielectric trimmer
C4
multilayer ceramic chip capacitor;
note 2
C6
multilayer ceramic chip capacitor
C7, C11
multilayer ceramic chip capacitor;
note 1
C8, C9, C15, C17 multilayer ceramic chip capacitor;
note 2
C10
multilayer ceramic chip capacitor
C12
electrolytic capacitor
C13
multilayer ceramic chip capacitor;
note 2
C14
multilayer ceramic chip capacitor;
note 2
C19
multilayer ceramic chip capacitor;
note 1
L1, L8
stripline; note 3
L2
stripline; note 3
L3
stripline; note 3
L4, L5
stripline; note 3
L6
2 turns enamelled 1 mm copper
wire
VALUE
68 pF; 500 V
1.6 pF; 50 V
1.4 to 5.5 pF
1 pF; 50 V
10 nF; 50 V
56 µF; 500 V
6.8 µF; 50 V
100 nF; 50 V
4.7 µF; 63 V
16 pF; 50 V
18 pF; 50 V
62 pF; 500 V
50 Ω
50 Ω
50 Ω
42 Ω
16 nH
L7
grade 3B Ferroxcube RF choke
L9
stripline; note 3
50 Ω
L10
stripline; note 3
50 Ω
R1
0.4 W metal film resistor
15 kΩ
R2
10 turns potentiometer
50 kΩ
R3
0.4 W metal film resistor
140 kΩ
R4
0.4 W metal film resistor
10 Ω
DIMENSIONS CATALOGUE NO.
2222 809 09001
2222 852 47103
2222 852 47104
2222 030 38478
6 × 2.5 mm
38 × 2.5 mm
17.5 × 2.5 mm
3 × 3 mm
length 3.4 mm
int. dia. 3 mm
leads 2 × 5 mm
21 × 2.5 mm
34.5 × 2.5 mm
4312 020 36642
2322 151 11473
2322 151 11404
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 glass microfibre reinforced PTFE (εr = 2.2);
thickness 1⁄32 inch.
2003 Sep 18
11
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