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12mm MTN-SLdd PCB - V1.2
Product Code: PCB-MTN-SLDD-v1.2
Availability: 74
Availability: 74
Price: $0.50
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This is the bare PCB you need to build your own tiny ~12mm FET driver! (Driver is not exactly 12mm; ears are wider but can be filed). DIY parts kit available here.
Should I Choose This or the MTN-10/11/12DD?
While the components and component layout are the same, the main differences are the driver outline and the non-exposed and removed copper around the component side border.
- No copper around ground ring on component side. This makes isolating a twisty light much easier.
- Different milled shape makes installation in a lot of the tiny twisty / clicky lights easier with less filing.
This is advantageous in a twisty light, because it is easier to electrically isolate the driver from the pill; however, for a clicky light, if the battery tube does not touch the driver or you can't solder to the pill, then this is not a good choice because you will have a difficult time getting a good ground.
The regular MTN-11/12DD is much better in these scenarios due to the exposed copper on the component side of the driver.
PCB Thickness:
- 0.8mm
- 1.6mm
Parts List:
- C1: 10uF 0603 (X5R or better preferred)
- OTC: 1uF 0603 (X7R preferred)
- R1: 19.1K 0603 1%
- R2: 4.7K 0603 1%
- Diode: SOD-323 Schottky
- MCU: attiny13a-MMU
- FET: LFPAK33
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