Awọn oofa mọto laini jẹ awọn oofa iṣẹ ṣiṣe giga ti o lo ni ọpọlọpọ awọn ohun elo mọto laini nibiti a ti nilo resistance iwọn otutu giga, awọn ohun-ini oofa to dara julọ, ati iduroṣinṣin igba pipẹ nilo.
Awọn oofa wọnyi ni a ṣe lati apapọ awọn ohun elo aiye toje, eyiti o fun wọn ni awọn ohun-ini oofa alailẹgbẹ. Wọn funni ni agbara oofa giga, iṣiṣẹpọ giga, ati resistance to dara julọ si demagnetization, ṣiṣe wọn jẹ apẹrẹ fun lilo ninu awọn ohun elo alupupu laini iṣẹ giga.