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Hi Can any one help me please, I have an Hitachi battery charger, when I tried to charge my battery up for 1hour it got over heated the part I think has gone is UMI H3 X21 102C 3MP on the chip, I've been on the net and no one seems to stock them 
can any one explain what this chip is and dose, is there any other chip that would do the gob for me, any suppliers that sell them. Thank you very much Bert.
can any one explain what this chip is and dose, is there any other chip that would do the gob for me, any suppliers that sell them. Thank you very much Bert.