Siemens AG
Silicon N Channel MOSFET Tetrode
Vishay Semiconductors
Silicon PNP Planar RF Transistor
Infineon Technologies
Silicon N-Channel MOSFET Triode
Philips Electronics
Silicon N-channel dual gate MOS-FET
Vishay Telefunken
N-Channel Dual Gate MOS-Fieldeffect Tetrode•Depletion Mode
NXP Semiconductors.
N-channel dual-gate MOS-FET
Vishay Semiconductors
N–Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
Vishay Semiconductors
N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
Vishay Semiconductors
N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
Motorola => Freescale
VHF Transistor
NXP Semiconductors.
N-channel dual-gate MOS-FET
NXP Semiconductors.
N-channel dual gate MOS-FETs