[TechAssist] Re: Fusible resistors
- From: Paul <dntwntv@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 8 Oct 2004 11:06:33 -0700 (PDT)
Thats interesting, because I am working on a Samsung that came in with a
vertical problem per the customer. Didn't show up in the shop till I tapped the
board. I resoldred all the i/c pins and other relative components. Still no
deflection. Hit the area with freeze and got partial deflection momentarily
while a peaking coil smoked. I replaced the i/c the coil a shorted zener and a
lytic cap. The 5.6 ohm fusible opened also which I didn't see till I fired it
up again and had fold over. I replaced with a flame proof. It smoked and opened
up immediately. Found another shorted zener. Thus the reason for the question.
A fusible didn't seem to work any better than a flame proof, at least in this
case. Some suppliers use the term fusible to mean flame proof.
Paul
J Silverman <greentron@xxxxxxx> wrote:
No. A flame proof resistor is made of materials that wont burn or smoke
excessively. That doesnt mean that it wont light up like a light bulb while
the circuit it is supposed to protect vaporizes and the resistor survives. A
fusable resistor is supposed to protect something by interrupting the
current.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
Fax/Phone 864 232 3889
mail to: greentron@xxxxxxx
----- Original Message -----
From: "Paul"
To:
Sent: Thursday, October 07, 2004 9:57 PM
Subject: [TechAssist] Fusible resistors
> 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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Paul ,B
Central TV&Video
911W Grand Ave
Grover Beach Ca.
(805)481-8084
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