Universal High Quality Power Supply Boards
Also see Ameritron Filter Capacitor and Rectifier Replacement Boards
Heathkit SB220 Universal filter
High quality 10,800 volt total capacitor rating.
Each capacitor is $15 wholesale!
This board has exceptionally long arc paths. The layout has the widest spacing over the highest voltage differential paths!
Raw board $35, build with your own parts
Board with components $399 plus shipping
One year warranty
![](https://www.ctrengineeringinc.com/wp-content/uploads/2019/04/resistor-side-300x154.jpg)
F25-10K 25uFd @ 10kV plus Mil spec equalizer/bleeder resistors
![](https://www.ctrengineeringinc.com/wp-content/uploads/2019/04/cap-side-rating-300x108.jpg)
Twenty four 450V high 105c capacitors
![](https://www.ctrengineeringinc.com/wp-content/uploads/2019/04/cap-side-top-300x178.jpg)
Capacitor side view 10,000 volt rated. Total capacitor voltage 10,800 V
I also have matching rectifier blocks.