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Author Topic: WTB: 2w 68ohm fusible resistor for G07-CB0  (Read 2455 times)

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RayB

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WTB: 2w 68ohm fusible resistor for G07-CB0
« on: December 08, 2007, 01:47:27 pm »
I need a replacement for the 2watt 68 ohm fusible resistor found on a G07-CB0 ...

Picture below:

The legs on mine are all corroded and one snapped off. The resistor itself looks burnt and a little bulgey.

I need this right away. If anyone has one and could drop it in the mail Monday, I would GREATLY appreciate it.

PM me.


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Kevin Mullins

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Re: WTB: 2w 68ohm fusible resistor for G07-CB0
« Reply #1 on: December 08, 2007, 02:37:48 pm »
I don't think that's a fusible resistor, just a standard ceramic for heat dissipation. (hence it's a 2W)

Oops.... just looked at the schematic and parts list ..... it is listed as a fusible resistor. (FR401)
I'm surprised.  Certainly looks standard.
« Last Edit: December 08, 2007, 02:56:53 pm by Kevin Mullins »
Not a technician . . . . just a DIY'er.

qrz

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Re: WTB: 2w 68ohm fusible resistor for G07-CB0
« Reply #2 on: December 08, 2007, 08:27:19 pm »
fused resistors are "flameproof" and are either "wirewound" or metal oxide in construction of the resitive element
the ceramic resistor you have requested has a metal wire wound on a core and cemented in a ceramic case.
any 68 ohnm 2w metal oxide resistor should work just fine.
be sure to maintain the device spacing above the pcb for proper air circulation ...


qrz

RayB

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Re: WTB: 2w 68ohm fusible resistor for G07-CB0
« Reply #3 on: December 10, 2007, 01:40:59 pm »
Thanks for the tip QRZ. I located a new replacement. (Very small in comparison to the original! )
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Level42

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Re: WTB: 2w 68ohm fusible resistor for G07-CB0
« Reply #4 on: December 10, 2007, 04:27:13 pm »
As long as it's no carbon or metal film resistor.....

qrz

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Re: WTB: 2w 68ohm fusible resistor for G07-CB0
« Reply #5 on: December 10, 2007, 10:39:13 pm »
for kicks ,
the square root of the wattage rating times the resistance will give the maximum "pre-smoke" voltage
that can be applied to a resistor.

note: good design engineers usually will not exceed 75% of maximum

qrz


RayB

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Re: WTB: 2w 68ohm fusible resistor for G07-CB0
« Reply #6 on: December 11, 2007, 03:27:27 pm »
As long as it's no carbon or metal film resistor.....

Umm... ?
As long as it's fusible, won't it work?
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