BLF571 NXP Semiconductors, BLF571 Datasheet - Page 8

• Manufacturer Part Number: BLF571
• Description: LDMOS,RF,20W,HF-500MHZ,50V
• Manufacturer: NXP Semiconductors

Specifications of BLF571

• Drain Source Voltage Vds: 110V
• Continuous Drain Current Id: 3.6A
• Operating Frequency Range: 430MHz To 520MHz
• Rf Transistor Case: SOT-467C
• No. Of Pins: 2
• Transistor Type: RF MOSFET
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
Table 9.
All capacitors should be soldered vertically. For test circuit, see
[1]
[2]
BLF571_2
Product data sheet
Component
C1, C3, C4,
C5, C14
C2
C6
C7, C9
C8
C10
C11
C12
C13
L1
L2
L3
L4
L5
L6
L7, L8, L10,
L11, L17, L19,
L20
L9
L12, L15
L13, L14
L16
L18
L21
R1
American Technical Ceramics type 100B or capacitor of same quality.
Printed-Circuit Board (PCB): Rogers 5880;
thickness copper plating = 35 m.
List of components
Description
multilayer ceramic chip capacitor 100 pF
multilayer ceramic chip capacitor 39 pF
multilayer ceramic chip capacitor 68 pF
multilayer ceramic chip capacitor 1 nF
multilayer ceramic chip capacitor 4.7 F
multilayer ceramic chip capacitor 8.2 pF
electrolytic capacitor
multilayer ceramic chip capacitor 33 pF
multilayer ceramic chip capacitor 15 pF
1 turn enamelled copper wire
2 turns enamelled copper wire
5 turns enamelled copper wire
3.3 turns enamelled copper wire
3 turns enamelled copper wire
stripline
stripline
stripline
stripline
stripline
stripline
stripline
stripline
metal film resistor
8.2 Test circuit
r
= 2.2 F/m; height = 0.79 mm; Cu (top/bottom metallization);
Rev. 02 — 24 February 2009
Value
220 F
D = 5.5 mm;
d = 1 mm;
length = 1 mm
D = 3.5 mm;
d = 1 mm;
length = 3 mm
D = 6 mm;
d = 1 mm;
length = 5 mm
D = 3 mm;
d = 1 mm;
length = 4 mm
D = 3 mm;
d = 1 mm;
length = 3 mm
-
-
-
-
-
-
-
-
1000 ; 0.6 W
Figure 9
and
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
Remarks
TDK C4532X7R1E475MT020U or equivalent
(L
(L
(L
(L
(L
(L
(L
(L
Figure
W) 16.5 mm
W) 3.0 mm
W) 43.0 mm
W) 3.5 mm
W) 8.0 mm
W) 3.0 mm
W) 27.0 mm
W) 28.5 mm
10.
HF / VHF power LDMOS transistor
5.0 mm
2.4 mm
8.0 mm
5.9 mm
2.4 mm
2.4 mm
2.4 mm
2.4 mm
© NXP B.V. 2009. All rights reserved.
BLF571
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