2
VARISTOR
PRODUCTS
Varistor Products
77
www.littelfuse.com
LA Varistor Series
Line Voltage Operation, Radial Lead
Additional Lead Style Options
Radial lead types can be supplied with combination preformed crimp and
trimmed leads. This option is supplied to the dimensions shown.
*Seating plane interpretation per IEC-717
CRIMPED AND TRIMMED LEAD
SYMBOL
VARISTOR MODEL SIZE
7mm 10mm 14mm 20mm
MIN MAX MIN MAX MIN MAX MIN MAX
A-
-
15
(0.591)
-
-
19.5 (0.768) -
-
22.5 (0.886) -
-
29.0 (1.142)
L
TRIM
2.41 (0.095) 4.69 (0.185) 2.41 (0.095) 4.69 (0.185) 2.41 (0.095) 4.69 (0.185) 2.41 (0.095) 4.69 (0.185)
NOTE: Dimensions in millimeters, inches in parentheses.
• To order this crimped and trimmed lead style, standard radial type
model numbers are changed by replacing the model letter “A” with “C”.
Example:
For crimped leads without trimming and any variations to the above,
contact Littelfuse.
•
F
or 10/
±1mm lead spacing on 20mm diameter models only; append
standard model numbers by adding “X10”.
Example:
STANDARD CATALOG
MODEL ORDER AS:
V130LA20A V130LA20AX10
VARISTOR
V
M(AC)
130V to 1,000V
CLAMP VOLTAGE VARIANT
(Where Applicable)
SERIES DESIGNATOR/
LEAD STYLE DESIGNATOR
LC= Crimped and Clipped
LS = Straight
LT = Crimped
LU= Under Crimped
V XXX LA XX X
RELATIVE ENERGY INDICATOR
(One or Two Digits)
Ordering Information
LA ser
ies
Varistors are shipped standard in bulk pack with straight leads
and lead spacing outlined in the package dimensions on page 4-13.
Contact your Littelfuse sales representative to discuss the non-standard
options outlined belo
w
.
LA series varistors for Hi-Temperature operating conditions:
• Phenolic Coated LA Series devices are available with improved maxi-
mum operating maximum temperature 125°C.
• These devices also have improved temperature cycling performance
capability.
• Ratings and Specifications are as per standard LA Series except Hi-Pot
encapsulation Isolation Voltage Capability = 500V.
• To order: add X1347 to part number (e.g. V230LA20AX1347)
• Marked identifier will contain 'P' to denote Phenolic.
• These devices are not UL, CSA, VDE or CECC certified.
• Contact factory for further details.
