Metal-Oxide Varistors (MOVs)
Radial Lead Varistors > LA Varistor Series
Part Numbering System
BASE PART CODES
(See Ratings & Speciﬁcations tables and notes below)
(See notes below)
V XXXX LA XX X P W XXXXX
(Three or four digits -- 130V to 1,000V)
SERIES + PACKAGING / LEAD STYLE
(See BASE PART CODES notes below)
LA = Bulk Pack / Straight Leads (standard)
LC = Bulk Pack / Crimped and Trimmed Leads
LS = Tape and Reel / Straight Leads
LT = Tape and Reel / Crimped Leads
LU = Tape and Reel / Under-Crimped Leads
RELATIVE ENERGY INDICATOR
(One or Two Digits)
CLAMP VOLTAGE VARIANT
(One digit, where applicable)
LEAD-FREE, HALOGEN-FREE AND
RoHS COMPLIANT INDICATOR
See OPTIONS CODES notes below
For standard parts, use the BASE PART designator only.
For parts with non-standard options (such as additional form, packaging
and lead space options), use BASE PART + OPTION CODE.
OPTION CODE items are subject to availability and minimum order
requirements. Please contact a Littelfuse products representative for
additional information or questions
BASE PART CODES:
Series + Packaging / Lead Style Designators:
Crimped leads are standard on LA Series varistors supplied in
tape and reel, denoted with "LT." For crimped leads without
trimming and any varitions other than that described above,
please contact Littelfuse.
Littelfuse LA Series varistors are shipped standard in bulk pack
with straight leads and lead spacing outlined in the Package
Dimensions section of this data sheet. Contact your Littelfuse
sales representative to discuss non-standard options.
X10: 10mm lead spacing option --
For 10 (-/+1) mm lead spacing (available on 20mm
diameter models only), append standard model
BASE PART number with "X10." Example:
X2855: Nickel Barrier coated wire option --
All standard parts use tinned copper clad steel wire.
Nickel Barrier coated wire is available as an option,
consisting of Copper wire with a flashing of Nickel
followed by a top coating of Tin. To order append standard
model BASE PART number with "X2855." Example:
X1347: Hi-Temperature phenolic coating option --
Phenolic Coated LA Series devices are available with improved
maximum operating maximum temperature of 125°C.
To order, add X1347 to end of part number
For additional information please refer to the section labeled
"Phenolic Coating Option" on the third page of this document
under the "Electrical Characteristics" table.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.