Second Generation Silver Plated High Current Beryllium Copper Springs and 95+CRI SST20!

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shirnask
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Unloco wrote:
Unloco wrote:
I have used it at around 200-220C but I think the max temp is 400C.
In a few hours, when I return to my home I check it.
Confirmed. Maximum 400C.

djozz wrote:
So how do you like that hotplate? It looks very small and convenient, I almost bought one. What time does it take to reach the set temperature?
I like very much. Since I have it, I have not failed any led reflow.

Room temperature 27C (air conditioned).
Hotplate initial temperature 33C.
Delay until reaching the set temperature (218C) 10:44 minutes.

Thanks, I have been thinking about this unit for several months, you just convinced me – ordered

Tom E
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It's the best price as well on Ali. Others may list it cheaper but charge almost as much for shipping.

Bob_McBob
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BlueSwordM
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BTW guys, I’m going to order the 3000k LEDs at the same time as the springs.

Who would like additional 3000k LEDs?

If I could actually order 250 LEDs, I could actually make them a bit cheaper than 1,50$USD/pcs.

I’m also still looking at the SST-20 4000k.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

netprince
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Sure, I’ll take 8 of the 3000k if its not too late… I haven’t signed up for any of them yet I dont think…

BlueSwordM
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No prob. You weren’t added to the list.

The list has been updated:
https://docs.google.com/spreadsheets/d/18SyWGP08EpK5OOcv1vZbLokQGv1KojNW...

Anybody else?

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

MikeMacD
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BlueSwordM, add 20 of the SST-20 3000k to my order (line 47) if that helps.

AEDe
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BlueSwordM wrote:

If I could actually order 250 LEDs, I could actually make them a bit cheaper than 1,50$USD

What is the current price of 3000K with fee ? Is it cheaper than at intloutdoor?

BlueSwordM
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Currently?

If you order with the springs, yes.

Otherwise, since you pay for shipping, it’s not really worth it if you buy a small quantity of LEDs.

So, in your case, since you have some springs, then yes, it will cheaper, even with the fee, compared to Intl Outdoor.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

AEDe
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Thanks. So 3500K 3000K can be shipped with springs.and 4000k will be later.

Then I am in for 20pcs 3500K and 20pcs 3000. and no 4000K if possible.

BlueSwordM
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Excellent.

I’ve added you all to the updated list:
https://docs.google.com/spreadsheets/d/18SyWGP08EpK5OOcv1vZbLokQGv1KojNW...

If I actually manage to find a good source of 500 SST-20 4000k, then we are golden Smile

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

Tom E
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Dang Blue! I finished a ROT66 LED swap to your 3500K's from the 219B's and am very happy with it. Kcd is up 50% and got a slight bump in lumens as well, and really like the tint! Side by side with an E07 with their SST-20 4000K's and it's quite a difference - the 3500K's got that rosy touch while the 4000K's seam to have an something like an aqua blue. I thought the E07 looked really good before this side by side comparison.

Thanks Again!!

Other notes: swapped the stock teflon short LED wires with silicone 18 AWG longer ones to allow re-programming, and removed the inner spring of the driver spring and added in a short 22 AWG bypass. I left the dual springs in the carrier as-is for now.

BlueSwordM
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That is excellent!

Also, you got a 50% improvement in throw? That’s honestly extremely good for a very high CRI emitter swap.

I’d honestly love it if the SST-20 were available in a dedomed variant.

Actually, it would be the absolute throwiest high CRI emitter.

I do wonder now how the 3000k and 4000k would look, especially since the 3000k at the distributor is under the BBL too.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

netprince
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I used the last 4 of my 3500k leds tonight. Installed them in a triple, accidentally busted one of them. The tint is very nice… Thanks for making these available.

BlueSwordM
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netprince wrote:
Installed them in a triple, accidentally busted one of them. The tint is very nice… Thanks for making these available.

You’re welcome, but how did you bust a single LED?

I’d like to know. Smile

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

shirnask
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Please add 12 3000k SST-20’s to my list.

Thanks

netprince
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BlueSwordM wrote:
netprince wrote:
Installed them in a triple, accidentally busted one of them. The tint is very nice… Thanks for making these available.

You’re welcome, but how did you bust a single LED?

I’d like to know. Smile

I do not have the proper equipment for reflowing electronics, and so I was using the stove set to a low setting. I usually have no trouble doing single led boards, but multiple led boards give me more trouble. That combined with being a bit impatient while trying to clean excess solder from around the LEDs, and I just clipped the corner off one…

Getting a hot air gun or a regulated hotplate is on my long term wishlist…

BlueSwordM
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Well, at least, if you want a triple SST-20 3000k build, you know where to look.

I actually have one triple 20mm MCPCB left, so I can build a triple LED array with my hotplate setup pretty easily.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

netprince
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Do you like your hotplate setup? What is it? I seriously need to figure something out sometime in the future…

I really like the jaxman e2l as a host, and it requires very delicately reducing a 20mm triple board down to about 18mm without shorting the + or – to ground. Its a pain but I enjoy the end product. (and mostly enjoy doing the work too)

Tom E
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Ohh, I did end up ordering the one Unloco linked: https://www.aliexpress.com/item/UYUE-946-1010-LED. It's the best price on Ali for this model. Talked to my EE friend at work and he thought it was a good deal as well. Thanks everyone!

 

BlueSwordM
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Yep.

Hotplates are a godsend, especially if you have a stencil.

For components that have low thermal mass, it makes it so easy to just reflow, slowly raise the heat, and the part is soldered down.

For high thermal mass parts, like springs on tailcaps/drivers, or parts very sensitive to heat, using a hotplate can be very useful to preheat the part and solder it using a soldering iron.

Heck, to make my job even easier, I use SnBi solder paste, since its very low melting point is perfect for stuff that should never get close to 100C, like springs and low power builds, making the job that much faster too.

Also, is there someone who would like a triple 3000k/3500k build on an MCPCB? I have one left that I can use for this.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

woodlandSerenade
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Could you add me to the list for 15 of both the small & large springs? Thanks!

BlueSwordM
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No problem.

Added to the list.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

Tom E
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Just used 4 of the small springs on a mod of the infamous "TESLACOM" flashlight. There was a 1/2 price deal on Amazon for it. First I thought it was a junker, umoddable, cheaply made, but ended up getting it apart and could see a couple things about it could be fixed up, one of which is better springs.

This is it, but I only paid $18: https://www.amazon.com TESLACOM. Beleive me it's not worth $37, not even sure if it's worth $18.

 

 

BlueSwordM
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God this light looks bad.

It could be so good too.

N4 SST-40 5000k, BeCu springs, 5A buck driver, nice good fins, a good 5 mode UI with moonlight but that would cost a large part of the profit margin.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

BlueSwordM
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So, I’m going to start sending PMs by Tuesday to the people in the final list:
https://drive.google.com/file/d/1VcHKmXf6AHm4PAtF_xA2_l3GcE8vmx5t/view?u...

So, if anybody wants to get on the list for the springs and 3000k LEDs, now is the time.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

Unloco
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BlueSwordM wrote:
… 3000k LEDs, now is the time.

Please add to my order 6 × 3000k leds.
I am in line 43.

BlueSwordM
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My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

moderator007
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Hey blue, did you change your paypal email for payments? Just checking to be sure?

BlueSwordM
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No, I didn’t.

Why?

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

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