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DC Supply Protector kit (fixed TH version)
A short-form kit to build the through-hole DC Protector with fixed overvoltage threshold (7.5-47.7V). Rated to handle up to 7A.
You just need to add zener diode ZD3 and resistors R1-R7 to suit your desired overvoltage threshold, as per Table 1 in the article.
See the link below for a complete list of parts included. Photo shows the assembled kit, including some parts that are not included.
The 13V zener diode included has a blue stripe added so you can tell it apart from the 15V part without reading the tiny markings.
| Cat No SC6950. Price: AUD $20.00 1 |
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In stock:  yes (22 available). Estimated dispatch time: 1-3 days | | Related to: Project: DC Supply Protectors (June 2024 [print issue] [online issue]) |
Other items relevant to this project: |
Kit parts list
Connectors | 2 × 2-way mini horizontal terminal block, 5.08mm pitch (blue, small, Philips) |
Semiconductors
Through-hole Capacitors
Through-hole Resistors | 2 × 10kΩ ±1% ¼W |
| 1 × 9.1kΩ ±1% ¼W |
| 1 × 470Ω ±1% ¼W |
| 1 × 150Ω ±1% ¼W |
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