What is this... fuse?

profuse · 4th October 2007, 06:32 PM

System: 12v automotive HID xenon ballast
Objective: I need to know whats the chip in the pic w/ the pointed arrows.

What is this... fuse?

if so, what kind is it? whats the equivalent type of fuse can be use?

profuse · 4th October 2007, 07:26 PM

or is it some sort of diode?

gni · 4th October 2007, 08:02 PM

cap?

profuse · 4th October 2007, 08:05 PM

I doubt it. I think its the diode array bc it goes straight from 12vdc source.

Can someone confirm?

OzMikeH · 5th October 2007, 06:59 AM

I could be wrong, but it sure looks like a filter and I'd expect one on the input to a HID light power supply.

Those "chips" look like double barrelled ferrites.
then there is that little capacitor in between them from positive to negative.

It would be to stop noise from the switching in the step-up power supply from getting out.

After those will be a pick-off for some power for the smarts, a low ESR, high ripple current capacitor and a big fat track to a big fat chopper transistor. after that a small transformer then big voltages after that.

I think that transistor has dies and blown the links in the power supply. I suggest checking the vehicle wiring and see how over-rated the fuse (if any) is.

If all looks well does the vehicle have a HF radio antenna on the front barwork? check the antenna earth. Something else might be grounding itself via the HID light's ground.

Be very careful, that power supply can easily hurt you.

Eva · 5th October 2007, 02:26 PM

I agree, these parts are dual inductors, RF filters.

profuse · 8th October 2007, 07:24 PM

Also, if I am able to power the ballast by grounding the actual case/chassis and 12vdc+ to the wire.

If I were to purchase on mouser.com, what do I look for?

Thanks,

4th October 2007, 06:32 PM	#1
profuse diyAudio Member Join Date: Feb 2006 Location: TX	What is this... fuse? System: 12v automotive HID xenon ballast Objective: I need to know whats the chip in the pic w/ the pointed arrows. What is this... fuse? if so, what kind is it? whats the equivalent type of fuse can be use?

5th October 2007, 02:26 PM	#6
Eva diyAudio Member Join Date: Oct 2003 Location: Near the sea	I agree, these parts are dual inductors, RF filters. __________________ I use to feel like the small child in The Emperor's New Clothes tale

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4th October 2007, 07:26 PM	#2
profuse diyAudio Member Join Date: Feb 2006 Location: TX	or is it some sort of diode?

4th October 2007, 08:02 PM	#3
gni diyAudio Member Join Date: Sep 2006	cap?

4th October 2007, 08:05 PM	#4
profuse diyAudio Member Join Date: Feb 2006 Location: TX	I doubt it. I think its the diode array bc it goes straight from 12vdc source. Can someone confirm?

5th October 2007, 06:59 AM	#5
OzMikeH diyAudio Member Join Date: Mar 2007	I could be wrong, but it sure looks like a filter and I'd expect one on the input to a HID light power supply. Those "chips" look like double barrelled ferrites. then there is that little capacitor in between them from positive to negative. It would be to stop noise from the switching in the step-up power supply from getting out. After those will be a pick-off for some power for the smarts, a low ESR, high ripple current capacitor and a big fat track to a big fat chopper transistor. after that a small transformer then big voltages after that. I think that transistor has dies and blown the links in the power supply. I suggest checking the vehicle wiring and see how over-rated the fuse (if any) is. If all looks well does the vehicle have a HF radio antenna on the front barwork? check the antenna earth. Something else might be grounding itself via the HID light's ground. Be very careful, that power supply can easily hurt you.

8th October 2007, 07:24 PM	#7
profuse diyAudio Member Join Date: Feb 2006 Location: TX	Also, if I am able to power the ballast by grounding the actual case/chassis and 12vdc+ to the wire. If I were to purchase on mouser.com, what do I look for? Thanks,

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