파트넘버.co.kr BLF278 데이터시트 PDF


BLF278 반도체 회로 부품 판매점

VHF push-pull power MOS transistor



NXP Semiconductors 로고
NXP Semiconductors
BLF278 데이터시트, 핀배열, 회로
DISCRETE SEMICONDUCTORS
DATA SHEET
BLF278
VHF push-pull power MOS
transistor
Product Specification
Supersedes data of October 1992
1996 Oct 21


BLF278 데이터시트, 핀배열, 회로
Philips Semiconductors
VHF push-pull power MOS transistor
Product Specification
BLF278
FEATURES
High power gain
Easy power control
Good thermal stability
Gold metallization ensures excellent reliability.
APPLICATIONS
Broadcast transmitters in the VHF frequency range.
PINNING - SOT262A1
PIN SYMBOL
1 d1
2 d2
3 g1
4 g2
5s
DESCRIPTION
drain 1
drain 2
gate 1
gate 2
source
DESCRIPTION
Dual push-pull silicon N-channel enhancement mode
vertical D-MOS transistor encapsulated in a 4-lead,
SOT262A1 balanced flange package with two ceramic
caps. The mounting flange provides the common source
connection for the transistors.
CAUTION
The device is supplied in an antistatic package.
The gate-source input must be protected against static
discharge during transport or handling.
1
5
3
Top view
2
g
g
5
4
MAM098
d
s
d
Fig.1 Simplified outline and symbol.
QUICK REFERENCE DATA
RF performance at Th = 25 °C in a push-pull common source test circuit.
MODE OF OPERATION
f
(MHz)
VDS
PL
(V) (W)
CW, class-B
CW, class-C
CW, class-AB
108 50 300
108 50 300
225 50 250
Gp
(dB)
>20
typ. 18
>14
typ. 16
ηD
(%)
>60
typ. 80
>50
typ. 55
WARNING
Product and environmental safety - toxic materials
This product contains beryllium oxide. The product is entirely safe provided that the BeO discs are not damaged.
All persons who handle, use or dispose of this product should be aware of its nature and of the necessary safety
precautions. After use, dispose of as chemical or special waste according to the regulations applying at the location of
the user. It must never be thrown out with the general or domestic waste.
1996 Oct 21
2




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BLF278 transistor

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