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PDF BLF573S Data sheet ( Hoja de datos )
| Número de pieza | BLF573S | |
| Descripción | HF / VHF power LDMOS transistor | |
| Fabricantes | NXP Semiconductors | |
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BLF573; BLF573S
HF / VHF power LDMOS transistor
Rev. 3 — 8 July 2010
Product data sheet
1. Product profile
1.1 General description
A 300 W LDMOS RF power transistor for broadcast applications and industrial, scientific
and medical applications in the HF to 500 MHz band.
Table 1. Production test information
Mode of operation f
VDS
PL
Gp
ηD
(MHz)
(V)
(W) (dB) (%)
CW
225 50
300 27.2 70
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken
during transport and handling.
1.2 Features and benefits
Typical CW performance at frequency of 225 MHz, a supply voltage of 50 V and an
IDq of 900 mA:
Average output power = 300 W
Power gain = 27.2 dB
Efficiency = 70 %
Easy power control
Integrated ESD protection
Excellent ruggedness
High efficiency
Excellent thermal stability
Designed for broadband operation (HF and VHF band)
Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
(RoHS)
1.3 Applications
Industrial, scientific and medical applications
Broadcast transmitter applications
1 page  
NXP Semiconductors
BLF573; BLF573S
HF / VHF power LDMOS transistor
7.2 Reliability
105
Years
104
(1) (2) (3) (4) (5) (6)
001aaj142
103
102
10
(7) (8) (9) (10) (11)
1
0 4 8 12 16
TTF (0.1 % failure fraction).
(1) Tj = 100 °C
(2) Tj = 110 °C
(3) Tj = 120 °C
(4) Tj = 130 °C
(5) Tj = 140 °C
(6) Tj = 150 °C
(7) Tj = 160 °C
(8) Tj = 170 °C
(9) Tj = 180 °C
(10) Tj = 190 °C
(11) Tj = 200 °C
Fig 3. BLF573 and BLF573S electromigration (ID, total device)
Idc (A)
20
BLF573_BLF573S
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 8 July 2010
© NXP B.V. 2010. All rights reserved.
5 of 16
5 Page 
NXP Semiconductors
9. Package outline
Flanged LDMOST ceramic package; 2 mounting holes; 2 leads
BLF573; BLF573S
HF / VHF power LDMOS transistor
SOT502A
D
A
F
3
D1
U1
q
1
B
C
L
c
H U2
A
2
b
p E1
w1 M A M B M
E
w2 M C M
Q
0 5 10 mm
scale
DIMENSIONS (millimetre dimensions are derived from the original inch dimensions)
UNIT A
b
c
D D1 E E1 F
H
L
p
Q q U1 U2 w1
mm
4.72 12.83 0.15 20.02 19.96 9.50
3.43 12.57 0.08 19.61 19.66 9.30
9.53
9.25
1.14 19.94 5.33
0.89 18.92 4.32
3.38
3.12
1.70
1.45
27.94 34.16
33.91
9.91
9.65
0.25
inches
0.186
0.135
0.505 0.006
0.495 0.003
0.788 0.786
0.772 0.774
0.374 0.375
0.366 0.364
0.045 0.785
0.035 0.745
0.210 0.133
0.170 0.123
0.067
0.057
1.100
1.345
1.335
0.390
0.380
0.01
w2
0.51
0.02
OUTLINE
VERSION
SOT502A
IEC
REFERENCES
JEDEC
JEITA
Fig 11. Package outline SOT502A
BLF573_BLF573S
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 8 July 2010
EUROPEAN
PROJECTION
ISSUE DATE
99-12-28
03-01-10
© NXP B.V. 2010. All rights reserved.
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