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Bare Die Product Detail: 2N4118

N-Channel Low Leakage:
Ultra-High Input Impedance N-Channel JFET Amplifier. The 2N4118 is ideal for use as a high-impedance sensitive front-end amplifier.
Featuring low leakage and low capacitance this device is well suited as amplifier input stage for any high impedance signal source. Alternative to Fairchild / National / ON Semi MMBF4118,PN4118 & Interfet, Vishay / Siliconix 2N4118.
Features:
  • Insignificant signal loss/error voltage with high-impedance source
  • Low Power Consumption (Battery)
  • High sensitivity to low-level signals

Applications:

  • High-impedance transducer
  • Smoke detector input
  • Infra-red detector amplifier
  • Precision test equipment

Test conditions:

  • BVGSS -40V @ IG = -1µA
  • IGSS(MAX) -10pA @ VGS= -20V
  • VP(MIN) -0.1V @ VDS= 10V, ID = 1nA
  • VP(MAX) -3V @ VDS= 10V, ID = 1nA
  • IDSS(MIN) 0.08mA @ VDS= 10V, VGS= 0V
  • IDSS(MAX) 0.6mA @ VDS= 10V, VGS= 0V
  • gfs(MIN) 80µS @ VDS=10V, VGS= 0V
  • en 15nV/√Hz @ VDG= 10V, f = 1kHz
  • CISS(MAX) 3pF @ VGS= 0V, VDS= 10V
  • CRSS(MAX) 1.5pF @ VDS= 10V, VGS= 0V
Vendor:
Linear Systems
  Electrical Datasheet

Die Physical Data:
Footprint: 0.284mm² (440mil²)
  Request Pad Layout
Product Families: Used for this device are tabulated below.
Functional:
    N/A
Specification:
BVGSS: -40V
IGSS: -10pA
VGS(OFF) MIN: -1.0V
VGS(OFF) MAX: -3.0V
IDSS(MIN): 0.08mA
IDSS(MAX): 0.24mA
IDSS @ VDS: 10V
gfs(MIN): 80µS
en: 15nV√Hz
CISS(MAX): 3pF
CRSS(MAX): 1.5pF
Other Detail: Important information for this device is tabulated below.
Traffic light setting for Minimum Order Quantity indicates the following:
  • Green:Available from stock or at low factory MOQ.
  • Amber: Available on factory order with MOQ.
  • Red: High factory MOQ may apply, please ask for details.
Traffic light setting for High Reliability indicates the following:
  • Green: This bare die is specified and tested for use in high reliability applications.
  • Amber: This bare die can meet higher reliability specifications with additional testing & qualification, please ask for details.
  • Red: This bare die is not specified or specifically designed for use in high reliability applications.
Traffic light setting for Space Grade indicates the following:
  • Green: This bare die is qualified for space applications or has space level qualification data, please ask for details.
  • Amber: This bare die can be specified for space applications with additional testing and qualification, please ask for details.
  • Red: Suitability of this bare die for space applications is unknown and requires further qualification, please ask for details.

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