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Miniature Omron G6K relays

Some of you may be interested. Recently, John Larkin mentioned his use of many Omron G6K-2G-Y-DC5 DPDT relays here. I was interested, but worried about the capacitive coupling between the two sections, which isn't mentioned in the data sheet. So I measured it: It turns out to be about 30fF between the pair of open contacts and about

110fF between the pair of closed ones. I deduce that the moving parts have about 80fF between them then.

I measured contact-to-coil capacitances too: 200fF for an open contact and 800fF for a closed pair, after correction for the pad capacitances.

Jeroen Belleman

Reply to
Jeroen Belleman
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Good info, thanks.

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC
Optics, Electro-optics, Photonics, Analog Electronics

160 North State Road #203
Briarcliff Manor NY 10510
845-480-2058

hobbs at electrooptical dot net
http://electrooptical.net
Reply to
Phil Hobbs

Amazing parts, no? No semiconductor can approach this, much less DPDT for about $1.50.

Nice data, thanks. Were those 3-terminal measurements? On top of a ground plane?

I haven't tried making a transmission-line switch and characterizing the quality, which would be TDR in my world. I'll throw a test layout on my next multipurpose multilayer hack board.

--

John Larkin         Highland Technology, Inc

jlarkin at highlandtechnology dot com
http://www.highlandtechnology.com

Precision electronic instrumentation
Picosecond-resolution Digital Delay and Pulse generators
Custom laser drivers and controllers
Photonics and fiberoptic TTL data links
VME thermocouple, LVDT, synchro   acquisition and simulation
Reply to
John Larkin

This was measured on a single-sided board with a fat ground trace running between the rows. The measuring instrument was a HP5387D NA. The coupling looked purely capacitive up to some 100MHz. Beyond that, the curves got bumpy, probably mainly due to my quick & dirty lash-up.

They are very nice parts indeed.

Jeroen Belleman

Reply to
Jeroen

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