Varistor Products

©2010 Littelfuse, Inc.

Revision: August 4, 2010

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.

Part Numbering System

XX

For “VARISTOR”

(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 Tin–coated Copper 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.