How many Lumens?

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networkn

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#214344 7-May-2017 22:54

I have some MR16 35W Super Bright 12v Halogens and I am trying to look at replacements which are just as bright, in LED.

How many lumens are these likely putting out so I can find something suitable?

If you have anything you recommend, please link.

richms

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#1777446 7-May-2017 22:57

Led and halogen lumans are not directly comparable since they have such different beam characteristics.

I wasn't happy with led brightness till I got some 10w ones. Below that seemed less than halogen even tho it should have been more.

Also most suppliers of them other than big brands totally BS the figures.

Richard rich.ms

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#1777448 7-May-2017 22:58

C'mon, you didn't even try.

Took me less than 10 seconds to select that part #, search it and get an answer.

400-550 lumens

networkn

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#1777449 7-May-2017 23:00

andrewNZ: C'mon, you didn't even try.

Took me less than 10 seconds to select that part #, search it and get an answer.

400-550 lumens

Well, I did a google search for PLU 73035 and got nothing useful that I could see. Maybe you use a different google to me?

Anyways, thanks. I found these:

http://www.trademe.co.nz/home-living/lamps/bulbs/auction-1319673545.htm

morrisk

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#1777464 8-May-2017 06:47

Look at the beam angle - 45 This is narrow and may not provide you with the replacement that you are looking for.

Linuxluver

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#1777465 8-May-2017 06:59

networkn:

I have some MR16 35W Super Bright 12v Halogens and I am trying to look at replacements which are just as bright, in LED.

How many lumens are these likely putting out so I can find something suitable?

If you have anything you recommend, please link.

Philips have some 13w LED bulbs in warm white or daylight. I prefer warm white.

They also have some 18w daylight - very bright white - but do not have equivalent warm white.

My house is mainly 13w LED. They 'feel' like 100w incandescent. I've had them two years and haven't had to replace any of them. They should last at least 5 years.

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#1777468 8-May-2017 07:05

I've had CFL last 5 years, I thought LED would last a lot longer than 5 years.

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rphenix

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#1777489 8-May-2017 08:05

timmmay:

I've had CFL last 5 years, I thought LED would last a lot longer than 5 years.

There is usually two ratings for LED's - forward current and peak current they cannot maintain peak current for long but if you pulse the LED's fast enough at a higher amp hour most people wont notice and it gives you more brightness - the downside is if the electronics gets the pulse wrong even for a second = fried LED you can imagine cheap LED's go for both peak current design and use simple circuitry so its little wonder you would end up with some failures.

I've had zero failures at home so far for my LED's but they are all brand names. Work replaced some halogen bulbs in the toilets with LED's and they have had two fail in 12 months or less so must be very poor quality.

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#1777529 8-May-2017 09:26

morrisk:

Look at the beam angle - 45 This is narrow and may not provide you with the replacement that you are looking for.

3500K is a bit cooler than Halogen too I think.

networkn

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#1777551 8-May-2017 10:08

morrisk:

Look at the beam angle - 45 This is narrow and may not provide you with the replacement that you are looking for.

Hi There!

I am not sure it matters but it might. These are in a set of 4 on a rail, and there are two of them (so 8 lights) currently in the kitchen. One over the washup area and one over the prep area.

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#1777757 8-May-2017 13:39

rphenix:
I've had zero failures at home so far for my LED's but they are all brand names. Work replaced some halogen bulbs in the toilets with LED's and they have had two fail in 12 months or less so must be very poor quality.

It's not just the continuous vs. pulsed operation that causes failures of cheap LEDs, since they're made as cheaply as possible, which also means quickly and with no QC, you get failures due to bad soldering (heating and cooling causes the joint to fail), lack of proper thermal contact with heatsinking if there even is any, and lots of other issues. "50K hour" LEDs can start failing in as little as a couple of months. I paid a premium for mine from an established retailer with a no-questions-asked exchange policy and probably saved myself that much in not having to swap them out every 6-12 months, which I'd seen on Chinese no-names. These are the ones I've mentioned in other posts, zero flicker (unlike CFLs) and a clean spectrum equivalent to daylight (again unlike CFLs).

(In defence of CFLs, not everyone looks at them with spectrometers or interruptors, so the difference is mostly theoretical).

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#1777795 8-May-2017 14:05

rphenix:

I've had zero failures at home so far for my LED's but they are all brand names. Work replaced some halogen bulbs in the toilets with LED's and they have had two fail in 12 months or less so must be very poor quality.

I bought a few CFLs from the Warehouse with the Red label. They all died within a year.

Philips or Panasonic for the win.

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#1777938 8-May-2017 16:28

I replaced halogens - about 36 of them just over 5 years ago with Philips 10W LEDs - as yet no failures. Cost back them was if I recall correctly around $60 per LED so pleased they are still shining!