[TechAssist] Re: Fusible resistors
- From: larry <schntv@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 08 Oct 2004 17:29:16 -0400
i am not sure about this, but any resistor that is the flame
proof type, will open with out shorting first. so i guess it
could be considered a fuse.
but the true fusable resistors will open before as much damage
is caused, waiting for a resistor to burn out.
just my opinion,
Larry
Bil Green wrote:
> Hi Paul,
>
> I've seen them burn up instantly too. That's why I use metal
> film resistors to replace fusibles.
>
>
>
> Bil Green
> PC 1000
> Mammoth Lakes, CA 93546
> 760-924-1000
>
> Friday, October 8, 2004, 10:18:54 AM, you wrote:
>
> P> Hi Ken,
> P> the reason for the question was that I am working on a set that calls for
> a 5.6 ohm fusible that was open. I replaced with a flame proof and it smoked
> and opened immediately. I cant imagine a
> P> fusible opening any faster than the flame proof in this case anyway. I
> found the problem and tacked in another flame proof. The job is finished
> except the fusible. I suspect that a good many sets
> P> have been repaired by subbing the flame proof for a fusible. That may not
> make it advisable though. I know that I and the majority of techs do not want
> to compromise the safety of a set.
> P> Paul
>
> P> .
> P> gulftech@xxxxxxxx wrote:
> P> Paul,
>
> P> I have done so in many sets, but not all. A certain supplier advertised
> P> the Sony 0.1 ohm resistors at a very good price. Flyer said Sony
> P> originals. I ordered 20. What they sent was 0.1 ohm flameproof. The
> P> first time one of my techs used one it blew up like a firecracker. True,
> P> he had missed something in rebuilding the supply, but the Sony originals
> P> will fail quietly and, I suspect, much quicker. I threw the rest of the
> P> resistors I got into the trash.
>
> P> Have not used that supplier since then.
>
>
> P> Ken Smith
> P> Gulf Technical Services
> P> 3034 Gulf Breeze Parkway
> P> Gulf Breeze, FL 32563
> P> 850-934-8324 (Voice), 850-932-0819 (fax)
>
> P> On Thu, 7 Oct 2004 18:57:37 -0700 (PDT) Paul
> P> writes:
>
>>>Is a flame proof resistor a safe sub for a fusible resistor of the
>>>same value?
>>>If not why not?
>>>Paul
>>>
>>>
>>>Paul ,B
>>>Central TV&Video
>>>911W Grand Ave
>>>Grover Beach Ca.
>>>(805)481-8084
>>>
>>>
>>>
>
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> P> Paul ,B
> P> Central TV&Video
> P> 911W Grand Ave
> P> Grover Beach Ca.
> P> (805)481-8084
>
>
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