|   | BF994S | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF994S | Siemens Semiconductor Group |  |  | silicon N channel mosfet tetrode (for vhf applications, especially for input and mixer stages with a wide tuning range, e.g. in catv tuners) | 
    |   | BF994SA | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF994SB | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF995 | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF988 | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF995A | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF995B | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF996S | Vishay Siliconix |  |  | N.channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF996S | Siemens Semiconductor Group |  |  | silicon N channel mosfet tetrode (for input stages in uhf TV tuners high transconductance low noise figure) | 
    |   | BF997 | Siemens Semiconductor Group |  |  | silicon N channel mosfet tetrode (integrated suppression network against spurious vhf oscillations) | 
    |   | BF998 | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF998 | Siemens Semiconductor Group |  |  | silicon N channel mosfet tetrode (short-channel transistor with high S/C quality factor for low-noise, gain-controlled input stages up to 1 ghz) | 
    |   | BF998 | Infineon Technologies |  |  | silicon N-channel mosfet tetrode | 
    |   | BF998A | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF998B | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF998R | Siemens Semiconductor Group |  |  | silicon N-channel mosfet tetrode (short-channel transistor with high S/C quality factor) | 
    |   | PM5351-BI | PMC-Sierra, Inc |  |  | saturn user network interface (155-tetra) | 
    |   | BF998R | Vishay Siliconix |  |  | N-channel dual gate mos-fieldeffect tetrode, depletion mode | 
    |   | BF998R | Infineon Technologies |  |  | silicon N-channel mosfet tetrode |