InterFET SMP5114 Series

  • InterFET

Product Features

  • Through-hole P-channel JFET series ideal for analog switches and choppers
  • Customisable solutions available
  • Low noise of 8nV/√Hz typical
  • >

  • Available in bulk or tape and reel



  • Surface-mount P-channel JFET
  • InterFET P0099F Geometry
  • Low noise of 8nV/√Hz typical
  • Minimum gate to source breakdown Voltage of 30V
  • Drain to source saturation current -30mA minimum
  • Gate to source cutoff voltage of 5V minimum
  • SOT23 package available in bulk or tape and reel or as a bare die
  • Continuous forward gate current 50mA
  • Continuous device power dissipation 500mW
  • Power derating of 4mW/°C
  • Operating temperature between -55°C and +125°C

The InterFET SMP5114 series of P-channel JFETs offers P0099F geometry, with a gate to source breakdown Voltage 30V and Low noise of 8nV/√Hz. This JFET series comes in a surface-mount SOT23 package and is also available as a bare die. The SMP5114 JFET have a drain to source saturation current of -30mA and can be operated in a temperature range of -55°C to +125°C.

As with all InterFET products, the SMP5114 JFET series is available for customisation to meet even the strictest application demands. The customisable features include unique test or review parameters, package style, binning options, channel configurations, multi-geometry and hybrid solutions and many others.

Typical applications for the SMP5114 JFET series from InterFET include:

  • Analog switches
  • Choppers

The below table gives the maximum ratings for the InterFET SMP5114 series:

InterFET 2N5114 Specifications

@TA = 25°C, Unless otherwise specified


Weight 0.00000 kg
Dimensions 3.05 × 1.40 × 1.02 mm
Additional Features

Temperature Range (°C)

Package / Size



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InterFET 511 Series Ordering Info

Below is the ordering information table, custom part and binning options are also available.

5114 Part Number Example

InterFET 511 Series Technical Library

We are pleased to provide you with a range of additional content including videos, product datasheets, case studies, white papers and application notes for your reference. Please see below for the latest content available:



InterFET P-Channel JFET 2N511, PN511 and SMP511 series datasheet
InterFET soldering profile
InterFET tape and reel specification
InterFET spice modelling
Introduction to JFETs application note
JFET fundamentals application note
JFET implementations application note
Common parameters and equations application note
Improved process for manufacture of radiation hard N-Channel JFETs for detector electronics application note
Biasing JFETs to scheive zero drift application note

InterFET SMP5114 Series

Calculators and Converters

Work out what you need for your project. Go to calculators and convertors


Contact us if you need your items quicker or need more than in stock.

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