參數(shù)資料
型號: 934003520112
廠商: NXP SEMICONDUCTORS
元件分類: 功率晶體管
英文描述: 2 CHANNEL, VHF BAND, Si, N-CHANNEL, RF POWER, MOSFET
封裝: CERAMIC PACKAGE-4
文件頁數(shù): 15/16頁
文件大小: 90K
代理商: 934003520112
2000 Oct 17
8
Philips Semiconductors
Product specication
VHF push-pull power MOS transistor
BLF245B
Notes
1. American Technical Ceramics (ATC) capacitor, type 100B or other capacitor of the same quality.
2. The striplines are on a double copper-clad printed circuit board, with epoxy glass dielectric (
εr = 4.5),
thickness 1
16 inch. The other side of the board is fully metallized and used as a ground plane. The ground planes on
each side of the board are connected together by means of copper straps and hollow rivets.
C7, C9, C12, C14,
C17, C19
multilayer ceramic chip capacitor
100 nF
2222 852 47104
C8, C10
multilayer ceramic chip capacitor;
note 1
680 pF
C11, C20
multilayer ceramic chip capacitor
10 nF
2222 852 47103
C13, C18
electrolytic capacitor
10
F, 63 V
C15, C16
multilayer ceramic chip capacitor;
note 1
100 pF
C21, C27
multilayer ceramic chip capacitor;
note 1
75 pF
C23
multilayer ceramic chip capacitor;
note 1
36 pF
L1, L3, L20, L22
stripline; note 2
55
length 111 mm
width 2.5 mm
L2, L21
semi-rigid cable
50
length 111 mm
ext. dia. 2.2 mm
L4, L5
stripline; note 2
49.5
length 28 mm
width 3 mm
L6, L7
stripline; note 2
49.5
length 22.5 mm
width 3 mm
L8, L9
stripline; note 2
49.5
length 4.5 mm
width 3 mm
L10, L11
grade 3B Ferroxcube RF choke
4312 020 36642
L12, L13
stripline; note 2
49.5
length 21 mm
width 3 mm
L14, L15
4 turns enamelled 1 mm copper
wire
70 nH
length 9 mm
int. dia. 6 mm
leads 2
× 5mm
L16, L17
stripline; note 2
49.5
length 30 mm
width 3 mm
L18, L19
stripline; note 2
49.5
length 26 mm
width 3 mm
R1, R2
0.4 W metal lm resistor
10
R3, R4
10 turns potentiometer
50
R5, R6
0.4 W metal lm resistor
205 k
R7, R8
0.4 W metal lm resistor
10
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS
CATALOGUE NO.
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