# N-channel JFET

Canonical URL: https://eloragrid.ai/symbols/n-channel-jfet
Publisher: Elora Grid
Updated: 2026-10-14
Lookup label: N-JFET
Drawing use: Schematic
Reference families: Manufacturer

A junction field-effect transistor using an N-type channel controlled through a gate junction.

## What it represents

A junction field-effect transistor using an N-type channel controlled through a gate junction.
On a schematic, identify the gate bias and drain/source connections and trace the analogue switch or amplifier signal path. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.
A JFET gate is a semiconductor junction, unlike the insulated gate of a MOSFET.
Terminal letters describe electrical roles, not package pin numbers. Check the selected public datasheet for the actual pin assignment, polarity and any internally connected terminals before completing the drawing.

## How to read it

- Identify the gate bias and drain/source connections.
- Trace the analogue switch or amplifier signal path.

## Information to show or reference

- Label the gate bias and drain/source connections.
- Cross-reference the analogue switch or amplifier signal path.
- Add the selected device or circuit documentation revision, power/reference connections and project signal convention.

## Important distinction

A JFET gate is a semiconductor junction, unlike the insulated gate of a MOSFET.

## Facts

- Common schematic mnemonic: N-JFET — descriptive only; project/device documentation defines reference designations.
- Terminal / interface focus: The gate bias and drain/source connections
- Artwork scope: Original educational component glyph; not a certified standard graphic or package pinout.

## Public references

- [J111/J112 JFET chopper transistor documentation](https://www.onsemi.com/pdf/datasheet/j111-d.pdf) — onsemi. Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored.

## Graphic scope

Independent original educational concept illustration by Elora Grid. Not a certified standards graphic or manufacturer footprint. Unitless; not to scale. Original artwork licence: https://creativecommons.org/licenses/by/4.0/. Publisher material is linked only.