Anyone have Dae's Super LED #108

Hi all,

I'm looking for another circuit board that will fit into a Matterhorn body. I know the Arc clone fit, but I fried the only one I had and $8 seems like a lot for that simple a board (I'll pay it if I can't find them a lot cheaper, though). The one here

http://www.qualitychinagoods.com/super-lamp-keychain-light-p-348.html

looks to be the right size, but I don't know if it's potted. Anyone have one? Or know of a place to get the Arc clones cheaply still?

Thanks,
Kevin

Thanks, Carbine15. With the $1.80 shipping on 2, we're back up to the eBay price. I was hoping that there'd be a few of these still floating around. Either that, or that the one I mentioned in the title would work ($3.85!).

Kevin

Someone was selling the AMFL319 here on CPF. I bougth 10 for $35 IIRC.
I think Dae's offer couldn't be any better.

glire said:

Someone was selling the AMFL319 here on CPF. I bougth 10 for $35 IIRC.
I think Dae's offer couldn't be any better.

Click to expand...

I think that was the group buy by lebox97, which is closed. If there was another, I'd love to know who has them.

Thanks,
Kevin

Okay guys, I've ordered some of these. They look to be the same size as the Arc clones and have an aluminum body. I'll let you know what I find.

Kevin

I have ordered one of those lights for someone at work. I only played with it for a bit. Surprisingly bright. The boost circuit seems to work very well.

mine pulls about 110ma on an 1000mah ni-mh battery
and 120ma on a alkaline battery.

my arc-p aaa is a least twice a bright and has a wider beam.

my arc`s beam is also a lot whiter.

regards.

TinderBox (UK) said:

mine pulls about 110ma on an 1000mah ni-mh battery
and 120ma on a alkaline battery.

my arc-p aaa is a least twice a bright and has a wider beam.

my arc`s beam is also a lot whiter.

regards.

Click to expand...

Perfect! If I can fit it into the head of my Matterhorn (I think it will fit), I'll mount an SMJLED in it. With the 100mA rating, I think I am safe. If not, I've another and some small resistors. I've heard that these, properly driven, are brighter than an arc, but with less run time. They also have a pleasant spectrum.

Thanks,
Kevin

DUQ said:

I have ordered one of those lights for someone at work. I only played with it for a bit. Surprisingly bright. The boost circuit seems to work very well.

Click to expand...

How was the build quality? I was thinking about giving away those that I didn't need after the mod. I figure I'll kill one or two...

Did you happen to open the head?


Thanks,
Kevin

Wow! Who knew I only had to post 20 times to become enlightened. So much easier than eating only rice and meditating...

Kevin

The build quality was pretty good. I think the head unscrews and the pill can be easily removed. It's been awhile since I had it (Nov '05) You cant go wrong with the price and non flashies will love them

anyone have pics of the dissasembly?

this is a far as i will go.

the led doesnt look very super to me, it looks like a normal 5mm led.

I would dump the led and use an smjled instead with the step-up.



regards.

Thanks, guys. I'm glad I got 5; it looks like I might have to cut into the pill. That will probably kill a couple.

I want to take the driver, replace the LED with an SMJLED (or maybe even a Luxeon), and mount it in the stainless steel Matterhorn body I drilled for the SMJLED.

Kevin

Here is a picture, albeit not high quality, of the flashlight # 108.

I was surprised to see a China made AAA keychain powered light. I think it's still is the only one - not powered from multiple button cells.

The SMD components are on the PCB opposite to the LED.
I have come across two versions of this light; the first is non-potted, the other is potted with lacquer.
You can replace the LED with a Nichia CS, transforming the #108 into a bright and "respectable" keychain light. It is possible to epoxy the head properly, and make it waterproof.

The weak point of this light is the step-up converter; it is a wide-open blocked-oscillator, and its efficiency is not among the best. The output of the oscillator is rectified with a silicon, not Schotty, diode.
The inductor core is too big for the job; at least, it doesn't not saturate... but it adds some losses.

For the price, it is a very good light to give as present to non-flashaholics, that will be grateful to receive the #108! Arcs and Peaks are plainly too espensive to give as gift.

Regards

Anthony

Ray_of_Light said:

I was surprised to see a China made AAA keychain powered light. I think it's still is the only one - not powered from multiple button cells.

The SMD components are on the PCB opposite to the LED.
I have come across two versions of this light; the first is non-potted, the other is potted with lacquer.
You can replace the LED with a Nichia CS, transforming the #108 into a bright and "respectable" keychain light. It is possible to epoxy the head properly, and make it waterproof.

The weak point of this light is the step-up converter; it is a wide-open blocked-oscillator, and its efficiency is not among the best. The output of the oscillator is rectified with a silicon, not Schotty, diode.
The inductor core is too big for the job; at least, it doesn't not saturate... but it adds some losses.

For the price, it is a very good light to give as present to non-flashaholics, that will be grateful to receive the #108! Arcs and Peaks are plainly too espensive to give as gift.

Regards

Anthony

Click to expand...

Since you have it apart...what is the current to the LED? Also, do you have a suggestion as to what small inductor would be a good replacement for this one? Does it drive a Nichia CS fully?

My relatives all think I'm nuts for spending more than $15 on a flashlight; giving them Peaks or Arcs would be ridiculous.

Thanks,
Kevin

Kevin,

40 mA to the LED, 190 mA from the AAA cell.

Replacing the four-wires inductor (which, in reality is a transformer...) also require changing the value of a resistor and a capacitor. Too difficult...
It would be good, and much simpler, to replace the rectifier diode with a Schotty, if you have the SMD soldering equipment.
And, of course, the LED!

The brightness of the stock #108 is slightly lower than the Arc AAA- non P.

Anthony

Ray_of_Light said:

Kevin,

40 mA to the LED, 190 mA from the AAA cell.

Replacing the four-wires inductor (which, in reality is a transformer...) also require changing the value of a resistor and a capacitor. Too difficult...
It would be good, and much simpler, to replace the rectifier diode with a Schotty, if you have the SMD soldering equipment.
And, of course, the LED!

The brightness of the stock #108 is slightly lower than the Arc AAA- non P.

Anthony

Click to expand...

Anthony,

40mA might be too little to drive the SMJLED well at all (max for that one is 100mA). I might have to get a different light to scavange. Actually, I just measured the current pulled by this LED in a 2 AA Mag-lite; it's 50mA and is bright. Perhaps this will work...

Okay, changing the inductor is out. I'll try the diode swap if I can find a Schotty. The iron is a Weller, and I have the tip, but little experience with SMD's.

I'll try both; that's why I got 5!

Thanks,
Kevin

how about some of these 1 x AA multi-led lights from Dae`s website.

some of them drive up to 12- 5mm leds.

http://www.qualitychinagoods.com/flashlights-1xaa-c-76_93.html

regards.