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The LA Series of transient voltage surge suppressors are radial-lead varistors (MOVs) that are designed to be operated continuously across AC power lines. These UL recognized varistors require very little mounting space, and are offered in various standard lead form options.
The LA Series varistors are available in four model sizes: 7mm, 10mm, 14mm and 20mm; and have a VM(AC)RMS voltage range from 130V to 1000V, and an energy absorption capability up to 360J. Some LA series model numbers are available with clamping voltage selections, designated by a model number suffix of either A or B. The "A" selection is the standard model; the "B" selection provides a lower clamping voltage.
See LA Series Device Ratings and Specifications table for part number and brand information.
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
V250LA40A Features
• Energy Absorption Capability (WTM) . . .. . . . . . . . . . . . . . . . . Up to 360J • Wide Operating Voltage Range VM(AC)RMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130V to 1000V • No Derating Up to 85 Ambient • Available in Tape and Reel or Bulk Pack
V250LA40B Parameters
Technical/Catalog Information
V250LA40B
Vendor
Littelfuse Inc
Category
Circuit Protection
Maximum AC Volts
250Vrms
Maximum DC Volts
330VDC
Current-Surge
6.5kA
Package / Case
Disc 20mm
Varistor Voltage
429V
Energy
130J
Number of Circuits
1 - Single
Lead Free Status
Lead Free
RoHS Status
RoHS Compliant
Other Names
V250LA40B V250LA40B
V250LA40B General Description
The LA Series of transient voltage surge suppressors are radial-lead varistors (MOVs) that are designed to be operated continuously across AC power lines. These UL recognized varistors require very little mounting space, and are offered in various standard lead form options.
The LA Series varistors are available in four model sizes: 7mm, 10mm, 14mm and 20mm; and have a VM(AC)RMS voltage range from 130V to 1000V, and an energy absorption capability up to 360J. Some LA series model numbers are available with clamping voltage selections, designated by a model number suffix of either A or B. The "A" selection is the standard model; the "B" selection provides a lower clamping voltage.
See LA Series Device Ratings and Specifications table for part number and brand information.
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
V250LA40B Features
• Energy Absorption Capability (WTM) . . .. . . . . . . . . . . . . . . . . Up to 360J • Wide Operating Voltage Range VM(AC)RMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130V to 1000V • No Derating Up to 85 Ambient • Available in Tape and Reel or Bulk Pack
