Features
• InterFET N106A Geometry
• Tightly screened IFN201A: VGS(OFF): -0.5V to -1.0V
• Low gate leakage: 750fA typical @20V
• Low CISS: 3pF typical
• High radiation tolerance
• RoHS, REACH, CMR compliant
• Custom test and binning options available
• SMT and bare die package options
• Edge case SPICE modeling: InterFET SPICE

Industry Standard Crosses
• SST201, MMBFJ201, J201, J202

InterFET Similar Parts
• 2N4338, 2N4339, 2N4867, 2N4868, 2N4869, J201, J202, 2N3458, 2N3459, 2N3460
• SMP4338, SMP4339, SMP4867, SMP4868, SMP4869, SMPJ201, SMPJ202, SMP3458, SMP3459,
SMP3460

InterFET Similar Dual Parts
• IFN3954-8; IFN5197-9; IFNU231-5; IFNU401-6; IFNU410-2
• SMP3954-8; SMP5197-9; SMPU231-5; SMPU401-6; SMPU410-2

Applications
• General: Amplifiers; Low leakage switches; Signal mixers
• Audio: Tone control circuits; Headphone amplifiers; Audio filters; Preamplifier speaker drive;
Microphone impedance transformation and drive; Phono preamplifiers
• Military/Aero: Radar and communication systems; Missiles and guidance systems; Radiation detection
• Medical: Medical imaging systems; Medical monitors and recorders; Ultrasound equipment

Description
The InterFET IFN201, IFN201A, and IFN202 parts are targeted for cost sensitive low noise applications.
These parts are ideal for audio mic and preamplifier designs. Gate leakages are less than 1pA at 20V at
room temperatures. Exact crosses for SST201, MMBFJ201, MMBFJ201, J201, and J202 JFETs.