Metal Clad mica capacitor size?
Looking for physical dimensions of metal clad mica capacitors such as
Unelco/Semco/Underwood types. CCI has them listed as types J101 and 3HS0006. I need the smallest physical sized ones (100pF) for a 902 MHz amp conversion. I emailed CCI, but thought I would ask here as well. Thanks all, N0EDV |
Metal Clad mica capacitor size?
On Jun 23, 4:08*am, Scott wrote:
Looking for physical dimensions of metal clad mica capacitors such as Unelco/Semco/Underwood types. *CCI has them listed as types J101 and 3HS0006. *I need the smallest physical sized ones (100pF) for a 902 MHz amp conversion. *I emailed CCI, but thought I would ask here as well. Thanks all, N0EDV RF Parts has J101's listed, and the page at http://www.rfparts.com/caps_metalcase.html shows the size (bottom of the page). J602 is quite a bit smaller than J101... If you want "small," you might consider ceramics from American Technical Ceramics. The ATC 800 R series could possibly give you what you need, in a small package. These are specifically designed for very low RF ESR and low ESL, and ability to transfer heat out to the terminations. I suppose Johanson has similar parts; I just happen to be more familiar with the ATC parts. Cheers, Tom |
Metal Clad mica capacitor size?
On Jun 23, 7:08*am, Scott wrote:
Looking for physical dimensions of metal clad mica capacitors such as Unelco/Semco/Underwood types. *CCI has them listed as types J101 and 3HS0006. *I need the smallest physical sized ones (100pF) for a 902 MHz amp conversion. *I emailed CCI, but thought I would ask here as well. Mica capacitors may be a little more traditional (and I see them in UHF app notes still)... but I can't see any reason to not use a modern microwave-type porcelain or glass cap here. e.g. http://www.atceramics.com/pdf/prod_select(4).pdf N3QE |
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