DESCRIPTION
   The 2N/PN/SST4117A series of n-channel JFETs provide ultra-high input impedance. These devices are specified with a 1-pA limit and typically operate at 0.2 pA. This makes them perfect choices for use as high-impedance sensitive front-end amplifiers.

FEATURES
• Ultra-Low Leakage: 0.2 pA
• Very Low Current/Voltage Operation
• Ultrahigh Input Impedance
• Low Noise

BenefitS
• Insignificant Signal Loss/Error Voltage
   with High-Impedance Source
• Low Power Consumption (Battery)
• Maximum Signal Output, Low Noise
• High Sensitivity to Low-Level Signals

APPLICATIONS
• High-Impedance Transducer
   Amplifiers
• Smoke Detector Input
• Infrared Detector Amplifier
• Precision Test Equipment