Discount heatmap
One square = one day (darker = bigger discount) · use the arrows to look further back
Price analysis
Over the past 24 months it was discounted 12 times — roughly one sale every 64 days. The most common cut was -80%, and a typical sale ran 7 days. Its lowest recorded price was $2.99 (-85%) on Sep 29, 2025, so today's price is 569% above the lowest we have tracked. It was last discounted 21 days ago, on Oct 7, 2026.
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From Wikipedia
A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the fundamental building blocks of modern electronics. A transistor is composed of semiconductor material, often with at least three terminals for connection to an electronic circuit. A voltage or current applied to one pair of the transistor's terminals controls the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can be used to amplify a signal. Some transistors are packaged individually, but many more in miniature form are found embedded in integrated circuits. Because transistors are the key active components in practically all modern electronics, they are considered one of the 20th century's greatest inventions.
Read more on Wikipedia →Recent discounts
| Period | Days | Max off | Low | MSRP |
|---|---|---|---|---|
| 2026. 10/1 ~ 10/7 | 7d | -80% | $3.99 | $19.99 |
| 2026. 8/3 ~ 8/9 | 7d | -80% | $3.99 | $19.99 |
| 2026. 6/25 ~ 7/8 | 14d | -80% | $3.99 | $19.99 |
| 2026. 4/14 ~ 4/27 | 14d | -85% | $2.99 | $19.99 |
| 2026. 3/19 ~ 3/25 | 7d | -80% | $3.99 | $19.99 |
| 2025. 12/18 ~ 1/4 | 18d | -80% | $3.99 | $19.99 |
| 2025. 9/29 ~ 10/5 | 7d | -85% | $2.99 | $19.99 |
| 2025. 6/26 ~ 7/9 | 14d | -80% | $3.99 | $19.99 |
+4 more periods (see heatmap)
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