Fuse identification?

[Tony Grimwood]

Hi all,

Has anyone encountered one of these fuses? It's in the DC side of an SMPS so it's characteristics are quite important and I'd like to obtain a replacement. Supplier? Exhaustive internet searches have turned up nothing. Even a look at a datasheet for it would help.

Dimensions are 12mmW x 9mmH x 7mmD, lead pitch is about 7.5mm.



Thanks,

TG

 

[kellys_eye]

I would have thought the characteristics of the fuse (i.e 6.3A) would have been the main criteria....

most suppliers have pretty good parametric search facilities to deliver results - here's Farnell's results but you could do the same at Digikey etc:

http://uk.farnell.com/w/c/circuit-p...ies/prl/results?fuse-current=6.3a&st=smd+fuse

 

[Tony Grimwood]

Thanks for your reply. It's used in a 48v, 1000w SMPS and I'm thinking there might be a little more to it, e.g.

1. Voltage Rating
2. Current Rating
3. Interrupting Rating
4. Temperature Derating
5. Melting Integral (I2t)

Call me conservative, but I'd like to be sure. ;-)

TG

 

[Tony Grimwood]

It's a Daito BD63.

 

[(*steve*)]

From what I can see it is 400VDC rated and can interrupt 100A.

If you're really concerned, replace it with an HRC fuse.

 

[kellys_eye]

It's a Daito BD63.

Good old UKVR site eh?