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Rare reed relay substitution ( a visual how to )

I LIKE MUSIC said:
What is posted is from the spec sheet for the relay.

The point is if this relay is used where it is activated for a certain function and/or mode and the receiver is left in that mode and powered on for 24/7 there may be issues. It is just a heads up.

The contacts on a reed relay may be hermetically sealed with an inert gas and mercury wetted contacts or they may have dry contacts for less demanding applications.

View attachment 932568

This is just one supplier, various coil voltage and coil current rating are likely available.
Click to expand...

A reed relay would certainly be more robust over time. That is why I prefer the American Relays suggestion and I've seen the American Relays type relays used in work by Kale and Amp8.
upload_2017-5-18_20-56-33.png
(photo by Kale)

Of course there is Omron G5V-2 24V, and the example I proffered here is the second time I have seen it used as a substitute for the Hitachi reed relays I mentioned above.

But the solution you suggest seems not to have been tried for those Hitachi relays.
Which is a bit of a mystery to me as well.
It seems a logical way forward but no one has done it.

If using the reed relays suggested by I LIKE MUSIC have been put into service...
I would love to see it. Seriously.

So if anyone can post pics of that work, please share.
 
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I was looking for something else on the net and found this and others. It is reed relay with mercury wetted contacts.

It is DPDT relay with a 24 volt coil. It sells for about 15.00 and a little dab of shipping.

upload_2017-5-18_19-14-30.png

This is one brand that I found. I also found a number of Clare brand mercury wetted contact reed relays. Clare is a well respected manufacturer and of course more expensive, two times or so.

In this context it is a relay and will work as such, no experimentation needed. Of course there may be some that will say that they do not like the sound of mercury in the signal path...
 
DrumminDaddy said:
View attachment 933032
Click to expand...

Hey! Don't sully this discussion with incredibly funny well timed visual humor.

Ahhh....to heck with it...
etcBVkgs03M3u.gif
 
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Ronito6 said:
Thanks for the tip.

Will American Relays sell only one? What do they cost?

I've seen those suggested a couple years ago but they don't seem to be carried by DigiKey, Mouser, or Element 14.

Omron G5V-2 are sold by these vendors, so sourcing seems way easier for anyone outside the USA.

I like the American Relays option more actually. I just can't find them easily.
Click to expand...

The relays (DPDT) from American are about $17 each, plus shipping, $100 minimum order.
I'm waiting on pricing and availability information on the 2A form factor (DPST) for a CA-3000 as I type this.
The beauty is that they are practically a drop in replacement for the HA-224. No dead bug, or cobbled circuit boards, or other hokiness.
 
tarior said:
The relays (DPDT) from American are about $17 each, plus shipping, $100 minimum order.
I'm waiting on pricing and availability information on the 2A form factor (DPST) for a CA-3000 as I type this.
The beauty is that they are practically a drop in replacement for the HA-224. No dead bug, or cobbled circuit boards, or other hokiness.
Click to expand...

Sometimes hokey is the best and only answer. Besides...more arrows in the quiver is a good thing.

Keep the info coming on that relay please. Pics a plus.
 
tarior said:
The relays (DPDT) from American are about $17 each, plus shipping, $100 minimum order.
I'm waiting on pricing and availability information on the 2A form factor (DPST) for a CA-3000 as I type this.
The beauty is that they are practically a drop in replacement for the HA-224. No dead bug, or cobbled circuit boards, or other hokiness.
Click to expand...

Is this the spec sheet for that relay? I would like to have one too if you are looking for contributions to your $100 minimum buy.

- Pete
 

Attachments

That pesky relay pops up a lot in other gear as well, a certain large rtr comes to mind where it was used for tape motion muting, anyways Tarior might have a busy inbox :)
-Lee
 
Just wondering if this would be suitable to replace a Hitachi HA-224n relay, I have seen a site where the tech used an Aromat HB2E 24dc relay to replace an HA-224n.
I have an FRT2-s relay, that is very similar to this Omron G5V-2, I'm planning to use the FRT2-s to replace the reed relay in my AU-20000 if this rigging works. for the HA-224n since the unit drops the left channel randomly.
 
I could have sworn that I posted a pic, but I guess it slipped my mind. Ah well, here's a pic showing fitment.
After finally sorting out all of the issues caused by the last guy who worked on this thing (CA-3000), I can verify that they work perfectly.


DSC01808.JPG
 
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Nice solution!
Seeing the topic I feel safe for being almost sure I have such a pulled green relay (.....somewhere....)

( @I LIKE MUSIC : beware of the Mercury wetted ones, the ones you can find are almost all vertical mounting which is usually not the case in audio amps...apart from that, also them are not trouble-free. Myself, I have never seen one without "this side up" mounting)
 
I have a C2102 on my work bench, and a few of the relays are bad. Am I to read that the preferred replacement right now, is the Omron G5V-2-DC24?

If so I will make a quick digikey order and just change them all at once. The pricing seems quite reasonable.
 
I'm curious what's a proper replacement on these? Are the Omron g5v-2 suitable or are they not a reed style which is preferred?
 
Same, I am interested as well.

My 919 has the classic sign of a dirty contact, need to turn the volume up a smidge to pass signal. No problems after that, I am wondering if it's this relay.

Do these eventually fail?
 
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