On Sun, 27 Jun 2010 01:36:38 -0700, Robert Baer
wrote:

DaveC wrote:
Used in the battery (-) lead of a handheld scope. Schematics unpublished.

Physically similar to a 1/4 W resistor, color light green. Marked "IE7A" or
"1E7A".

Google returns slim results, none promising.

What type is this?

Thanks,
Dave

Fuse.
Ratings of these beasts in equipment is almost NEVER disclosed - like
a company secret more precious than any other secret they have.
Measure current draw and see what the maximum is during any
operations, double that for a guide in choosing "first guess" replacement.

The axial leaded jobs I have seen in hair dryers are high current jobs
with reed switches inside them. Not the soft break jobs.

The biggest soft device I recall was 3 Amps.