Ceramic Disc capacitors needed for Heathkit DX-60B
I have looked everywhere for replacement .005 MFD, 250V ceramic disc caps for this rig. I've come up empty handed. Do you have any recommendations? I'm beginning to wonder if they still exist!
The more common , standard value would be .0047 , which is close enough , or step up to .0056 . A higher voltage rating will do fine , and with ceramics that's usually 600 volts , best I recall .
Russ, W5RB
"You can get anything you want at Alice's Restaurant."-Arlo Guthrie
I have looked everywhere for replacement .005 MFD, 250V ceramic disc caps for this rig. I've come up empty handed. Do you have any recommendations? I'm beginning to wonder if they still exist!
The 250v rating will be a problem. 500 and 630 volt disks are more common. The voltage rating in not important as long as it is higher. 3kv and 6kv caps will work fine and are also common.
Capacitor values now follow the "percentage/tolerance" values as have resistors followed for decades. Instead of 0.005 mfd the "new" value is 0.0047 mfd. Considering that the "olde tyme" tolerances were MUCH "looser" than the modern tolerances the "new" value capacitors will work fine.
The only thing is where tuned circuits are concerned and then the value of the capacitor is more critical. However, the values used in most tuned circuits are such that there are still "modern" values close enough.
I have looked everywhere for replacement .005 MFD, 250V ceramic disc caps for this rig. I've come up empty handed. Do you have any recommendations? I'm beginning to wonder if they still exist!
That's a standard component that is still commonly available. I probably have hundreds of them in inventory here, but you can buy them from Mouser and other sources.
I really appreciate all your comments, thank you. I've seen the .0047 mfd caps at a local electronics supply store but wasn't sure about using them, in spite of the minute difference in capacitance. I'll use those.
Since the "modern" capacitors are going to have a much closer tolerance than the original capacitors there is a MUCH better chance of the "modern" components being closer to the design specifications.
Ceramic Disc capacitors needed for Heathkit DX-60B
Originally Posted by WB5UPS
