2N4427 Datasheet - STMicroelectronics
MFG CO.

STMicroelectronics
DESCRIPTION
The 2N4427 and BFR98 are silicon planar epitaxial NPN trnsistor in Jedec TO-39 metal case. They are designed for VHF class A, B, or C amplifier and oscillator applications.
Part Name
Description
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MFG CO.
VHF Power Amplifier
Motorola => Freescale
UHF, VHF Oscillator Mixer, HF Amplifier Applications
SANYO -> Panasonic
VHF power amplifier modules
Philips Electronics
VHF power amplifier modules
Philips Electronics
AM/FM AMPLIFIER, LOCAL OSCILLATOR OF FM/VHF TUNER ( Rev : Old_V )
Unisonic Technologies
AM/FM AMPLIFIER, LOCAL OSCILLATOR OF FM/VHF TUNER ( Rev : Old_V )
Unisonic Technologies
AM/FM AMPLIFIER, LOCAL OSCILLATOR OF FM/VHF TUNER
Unisonic Technologies
AM/FM AMPLIFIER, LOCAL OSCILLATOR OF FM/VHF TUNER
Unisonic Technologies
VHF BAND POWER AMPLIFIER APPLICATIONS
Toshiba
VHF/UHF AMPLIFIER
STMicroelectronics