SM7 Series - Surface Mount Varistor for AC Line Protection

DataSheet:Varistors SM7 Surface Mount Datasheet

The Littelfuse SM7 Series is a plastic-encapsulated surface-mount metal oxide varistor (MOV) transient voltage surge suppressor that is designed to be operated continuously across AC power lines.

The series comprises a Nylon molded package with tin plated lead frame for soldering to board. The surface mount SM7 Series is based on radial 7mm internal varistor element with similar characteristics to the Littelfuse LA / ZA series of varistor.

Features:

Electrical equivalent to leaded types LA/ZA series
AC Voltage Rating 115 V to 510VAC rms
No De-Rating up to 85°C ambient
Good solderability
Available in tape and reel
Application of AC power meters

Ordering Information

Catalog #	Polarity	(ITM 1xAmps (A)	Co Typ(pF)	Size	Vc (V)	VMAX AC (V)	VMAX DC (V)	VNDC MAX (V)	VNDC MIN(V)
V275SM7	Bi-directional	1200	80	11.5x8.3x6.0mm	710	275	369	473	389
V300SM7	Bi-directional	1200	70	11.5x8.3x6.0mm	775	300	405	517	420
V320SM7	Bi-directional	1200	65	11.5x8.3x6.0mm	850	320	420	565	462
V385SM7	Bi-directional	1200	60	11.5x8.3x6.0mm	1025	385	505	682	558
V420SM7	Bi-directional	1200	55	11.5x8.3x6.0mm	1120	420	560	748	610
V460SM7	Bi-directional	1200	55	11.5x8.3x6.0mm	1190	460	615	790	640
V480SM7	Bi-directional	1200	50	11.5x8.3x6.0mm	1240	480	640	825	670
V510SM7	Bi-directional	1200	45	11.5x8.3x6.0mm	1200	510	675	910	735