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My Osram 0.4W amber LED nightlight operating

The light appears less yellow in reality but still slightly more yellow then a LPS lamp. The LED in this lamp flickers 100hz probably because the capacitor ballast doesn't have a bridge rectifier, but i don't know whay.

Light Information

Lamp
Manufacturer:	Osram gmbh, made in China
Model Reference:	Lunetta
Lamp Type:	1 amber LED
Base:	Electric plug without grounding
Service Life:	100,000
Fixture
Fixture Type:	Nightlight
Ballast Type:	Capacitor ballast without mains frequency filtering
Socket Type:	Outlet
Photocell Type:	Dimming PhotoControl (LED gradually dims or brightens as the light from the environment changed until 0%/100%)
Location:	My father home
Electrical
Wattage:	0.4W
Voltage:	220-250V, 50hz
Optical
Color Temperature:	Amber
Color Rendering Index:	None
Physical/Production
Factory Location:	China
Application/Use:	Nightlight

File information

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Filename:	IMG_0089.jpg
Album name:	dor123 / LED lighting (Except road lanterns), LEDs in general, lasers, flashlights and other lighting gadgets
Keywords:	Lamps
File Size:	73 KB
Date added:	Mar 04, 2010
Dimensions:	1024 x 768 pixels
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URL:	https://www.lighting-gallery.net/gallery/displayimage.php?pos=-42281
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Comments

Xytrell
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They are only spec'd 5-15nm below a LPS discharge. Strange.

dor123
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Medved said that LEDs (Of course) can only be operated in DC. So whay this lamp is flickering 100hz like while in operation? Flickering of LEDs 50hz like also encountered with LED displays on electronic appliances.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

bluelights
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dor123: It is because lack of filtering capacitor, so it runs on pulsed DC instead of smoothed.

"The orange cloud looks like floating nuclear waste."
Save the mercury lamp

dor123
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Pulsed DC!? I have never heard of it. I thought that only AC current is pulsed. All discharge lamps and LEDs that operating from batteries are lit smoothed. So why LED lamps operated from the main frequency, the LEDs get the DC current in pulses if they lack of filltering capacitor?

bluelights
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dor123: This is the current waveform the LEDs see: http://upload.wikimedia.org/wikipedia/commons/d/da/Waveform_fullwave_rectifier.png

This is fullwave rectification without a filter capacitor, if they added the filter cap the LEDs won't flash.

"The orange cloud looks like floating nuclear waste."
Save the mercury lamp

merc
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Adam

One of our e-shops still sells these "Lunettas".
I'm going to replace this crappy Solight night light which became pretty dim after a year of use.

Is the colour really this yellow? I thougt amber LEDs were more orange than that.

Not a misoLEDist...

dor123
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The colour of this LED is amber.