Littelfuse LA Varistor Series - Manual (Page 13)

© 2013 Littelfuse, Inc. 135
Revised: June 3, 2013
Varistor Products
LA Varistor Series
Radial Lead Varistors > LA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/la.html for current information.
LA Series
Part Numbering System
XX
For “VARISTOR”
V
M(AC)
(Three or four digits -- 130V to 1,000V)
V XXXX LA X
RELATIVE ENERGY INDICATOR
(One or Two Digits)
CLAMP VOLTAGE VARIANT
(One digit, where applicable)
LEAD-FREE, HALOGEN-FREE AND
RoHS COMPLIANT INDICATOR
P
See OPTIONS CODES notes below
XXXXX
OPTION CODES
(See notes below)
BASE PART CODES
(See Ratings & Specifications tables and notes below)
SERIES + PACKAGING / LEAD STYLE
DESIGNATOR
(See BASE PART CODES notes below)
L A = Bulk Pack / Straight Leads (standard)
L C = Bulk Pack / Crimped and Trimmed Leads
L S = Tape and Reel / Straight Leads
L T = Tape and Reel / Crimped Leads
L U = Tape and Reel / Under-Crimped Leads
Ordering Notes:
Series + Packaging / Lead Style Designators:
Ordering examples:
Straight
Lead
Bulk Pack
(standard)
Straight
Lead
Tape &
Reel
Crimped
Lead
Tape &
Reel
Crimped &
Trimmed
Lead
Bulk Pack
Under-
Crimp
Lead
Tape &
Reel
V130LA2P V130LS2P V130LT2P V130LC2P V130LU2P
Standard Model Order As
V130LA20AP V130LA20APX10
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
(Example: V230LA20APX1347).
For additional information please refer to the section labeled
"Phenolic Coating Option" on the third page of this document
under the "Electrical Characteristics" table.
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.
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: OPTION CODES:
Standard Model Order As
V130LA20AP V130LA20APX2855
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:
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.