300W VHF Broadcast transmitters POWER AMPLIFIER BOARD for Power LDMOS BLF278

Description

Radiator at the bottom, special material: copper
Weight: 0.345 KG
Transistor BLF278 is working properly
Broadcast transmitters in the VHF frequency range.
Very scarce, only one piece,
Part No. ：   BLF278
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: VHF push-pull power MOS transistor
FEATURES
• High power gain
• Easy power control
• Good thermal stability
• Gold metallization ensures excellent reliability.
APPLICATIONS
• Broadcast transmitters in the VHF frequency range.
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.
The BLF278 is capable of withstanding a load mismatch corresponding to VSWR = 7 : 1 through all phases under the
conditions: VDS = 50 V; f = 108 MHz at rated load power.
Maker： NXP
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