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depletion-type
H
n-channel MOSFETs
designed for • • •
Performance Curves MA See Section 4
• Small-Signal Amplifiers • Ultra-High Input Impedance
Amplifiers
Electrometers Smoke Detectors pH Meters
• Low-Level Chopper Amplifiers
BENEFITS
• Insignificant Loading in High Impedance Circuits RIN> 1015 n
• Minimum Error in Low-Level Choppers rDS(on) < 100 n (Ml0l)
• Good Off-Isolation as a Switch
ID(off) < 1 nA
ABSOLUTE MAXIMUM RATINGS (25°C)
Drain-to-Source Voltage ....................... 20V Gate-to-Channel Voltage (Note 1) .............. ±60V Drain Current .............................. 20mA Total Device Dissipation at (or below)
25°C Free-Air Temperature (Note 2) ......... 300mW
Storage Temperature Range ............ -65 to +200°C
Operating Junction Temperature...........