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Bare Die Product Detail: J309

N-Channel RF, VHF, UHF:
The J309 N-Channel high frequency JFET features outstanding high frequency gain and low frequency noise.
Featuring outstanding high frequency gain and low frequency noise. The part is a direct replacement for Interfet, Intersil, Motorola, National / Fairchild, Philips, Vishay / Siliconix U309, J309 or SST309.
Features:
  • High power low noise gain
  • Dynamic range greater than 100dB
  • Negligible Off-error, excellent accuracy
  • Easily matched to 75Ω input

Applications:

  • UHF / VHF Amplifiers
  • Mixers
  • Oscillators

Test conditions:

  • Outstanding high frequency gain: Gpg = 11.5dB
  • Low Frequency Noise: NF = 2.7dB
  • BVGSS -25V @ IG = -1µA
  • IGSS(MAX) -1nA @ VGS= -15V, VDS = 0V
  • VP(MIN) -1V @ VDS= 10V, ID= 1nA
  • VP(MAX) -4V @ VDS= 10V, ID= 1nA
  • IDSS(MIN) 12mA @ VDS= 10V, VGS = 0V
  • IDSS(MAX) 30mA @ VDS= 10V, VGS =0V
  • gfs(MIN) 8mS @ VDS = 10V, ID = 10mA, f = 1 kHz
  • en 6nV√Hz @ VDS = 10V, ID = 10mA
  • CISS(MAX) 5pF @ VGS= -10V, VDS= 10V, f = 1 MHz
  • CRSS(MAX) 2.5pF @ VDS= 10V, VGS= -10V, f = 1 MHz
Vendor:
Linear Systems
  Electrical Datasheet

Die Physical Data:
Footprint: 0.341mm² (529mil²)
  Request Pad Layout
Product Families: Used for this device are tabulated below.
Functional:
    N/A
Specification:
BVGSS: -25V
IGSS: -1.0nA
VGS(OFF) MIN: -1.0V
VGS(OFF) MAX: -4.0V
IDSS(MIN): 12mA
IDSS(MAX): 30mA
IDSS @ VDS: 10V
gfs(MIN): 10mS
en: 6nV√Hz
CISS(MAX): 5.0pF
CRSS(MAX): 2.5pF
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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