In series to the DC supply to a Yamaha P120 piano , 0.1 ohm or less even
warming with a soldering iron, so not a thermistor.
It is yellow epoxy cased and about 8mm sqare like a plate capacitor
marked
HFBA CHINA
UF250 or UF25C with logo of V superimposed over an upturned V and then 3e

I assume its a working order fuse , but value 2.5 amps ?
The supply is rated 16V, 2.4A


--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/

N Cook wrote:
In series to the DC supply to a Yamaha P120 piano , 0.1 ohm or less even
warming with a soldering iron, so not a thermistor.
It is yellow epoxy cased and about 8mm sqare like a plate capacitor
marked
HFBA CHINA
UF250 or UF25C with logo of V superimposed over an upturned V and then 3e

I assume its a working order fuse , but value 2.5 amps ?
The supply is rated 16V, 2.4A


--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/




Maybe a thermal fuse? "TH101" would suggest to me a thermistor
(resistance seems a bit low.),or other 'thermal' component.