# Toshiba 2SK170 / 2SJ74 JFETs — Discontinued electronic component replacement mapping

For Toshiba 2SK170 / 2SJ74 JFETs, manufacturer is Toshiba; notice id is N/A; last time buy is N/A; last ship is N/A; suggested replacement is Linear Systems LSK170, recorded from its source on 2026-08-03.

- **Discontinued part:** Toshiba 2SK170 / 2SJ74 JFETs
- **Manufacturer:** Toshiba
- **Notice ID:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Last time buy:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Last ship:** N/A _(unconfirmed — we could not tie this to the quote below)_
- **Suggested replacement:** Linear Systems LSK170

## What the source says

> Toshiba 2SK170 / 2SJ74 JFETs | From $0.30 to $20–25 each; eBay dominated by fakes (per Headphonesty) | Linear Systems LSK170 |

## Source

- https://www.dasenic.com/blog/knowledgeHub/obsolete-components-in-2026-eol-list-shortage-statistics-what-to-do-about-it

Last verified: 2026-08-03. Review by: 2026-11-01.
Part of [Discontinued electronic component replacement mapping](https://referencesource.org/discontinued-part-replacement-mapping/).