Need to replace a fuse 250 mA need amp size

It dosen't have the amp sise?
Would like help regarding this.

250mA is .25 AMPS, (1/4 of an amp) . You will need to know
the voltage, physical size and whether it's a fast or slo
blow also.
250ma is the amp size. 1/4amp
Do you mean the physical size of the fuse?
You also need to know the voltage
What device is it being used in?