N-Channel JFETs
2N/PN/SST4117A Series
Vishay Siliconix
N-Channel JFETs
2N4117A 2N4118A 2N4119A
PRODUCT SUMMARY
Part Number
4117 4118 41...
Description
2N/PN/SST4117A Series
Vishay Siliconix
N-Channel JFETs
2N4117A 2N4118A 2N4119A
PRODUCT SUMMARY
Part Number
4117 4118 4119
PN4117A SST4117 PN4118A SST4118 PN4119A SST4119
VGS(off) (V)
−0.6 to −1.8 −1 to −3 −2 to −6
V(BR)GSS Min (V)
−40 −40 −40
gfs Min (mS)
70 80 100
IDSS Min (mA)
30 80 200
FEATURES
D D D D Ultra-Low Leakage: 0.2 pA Very Low Current/Voltage Operation Ultrahigh Input Impedance Low Noise
BENEFITS
D Insignificant Signal Loss/Error Voltage with High-Impedance Source D Low Power Consumption (Battery) D Maximum Signal Output, Low Noise D High Sensitivity to Low-Level Signals
APPLICATIONS
D High-Impedance Transducer Amplifiers D Smoke Detector Input D Infrared Detector Amplifier D Precision Test Equipment
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. The hermetically sealed TO-206AF package allows full military processing per MIL-S-19500 (see Military Information). The TO-226A (TO-92) plastic package provides a low-cost option. The TO-236 (SOT-23) package provides surface-mount capability. Both the PN and SST series are available in tape-and-reel for automated assembly (see Packaging Information).
TO-206AF (TO-72)
S 1 4 S C D
TO-226AA (TO-92)
TO-236 (SOT-23)
1 D 2 S 2 1 3 G
2 D Top View 2N4117A 2N4118A 2N4119A
3 G
G
3 Top View PN4117A PN4...
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