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Series: LA70QS
LA70QS Series - Very Fast-Acting Semiconductor Fuse
Littelfuse’s LA70QS semiconductor fuses were developed to provide improved performance required by today’s new equipment. The LA70QS features lower l2t, improved cycling, and lower watts loss. It is the best choice for the protection of dynamic solid-state equipment.

Features:
  • Very low l2t improved protection of equipment.
  • Superior cycling ability for long, reliable life on high cycling loading.
  • Lower watts loss for cooler operation.
  • 700 Volt AC/DC rating provides greater design versatility.
  • Compact sizes allow down-sizing of equipment.
Applications
  • Protection of 700 volt or less solid state equipment such as motor drives, UPS, inverters, etc.


Electrical Characteristics

Access specifications, certifications, check availability and order parts below:

Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.


CatalogNo Certs. Amps (A) VAC (V) VDC (V) IR Stock Sample
Cart
LA70QS100-4 100 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS125-4 125 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS125-4K 125 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS150-4 150 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS150-4K 150 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS175-4 175 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS175-4K 175 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS200-4 200 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS200-4K 200 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS250-4 250 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS300-4 300 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS35-4 35 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS350-4 350 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS40-4 40 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS400-4 400 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS450-4 450 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS450-4K 450 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS50-4 50 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS500-4 500 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS500-4K 500 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS60-4 60 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS600-4 600 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS600-4K 600 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS70-4 70 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS700-4 700 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS80-4 80 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS800-4 800 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]
LA70QS90-4 90 700 700 100000A@700VDC
200000A@700VAC 		[Check] [Add]