Littelfuse LA Varistor Series - Manual (Page 9)

© 2013 Littelfuse, Inc. 131
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
Wave Solder Profile
Operating Ambient
Temperature Range
-55°C to +85°C
Storage Temperature Range -55°C to +125°C
Humidity Aging
+85°C, 85% RH, 1000 hours
+/-10% typical voltage change
Thermal Shock
+85°C to -40°C 5 times
+/-10% typical voltage change
Solvent Resistance MIL–STD–202, Method 215F
Moisture Sensitivity Level 1, J–STD–020C
Lead Material Copper Clad Steel Wire
Soldering
Characteristics Solderability per MIL–STD–202,
Method 208E
Insulating Material
Cured, flame retardant epoxy polymer
meets UL94V–0 requirements
Device Labeling
Marked with LF, voltage, UL/CSA logos,
and date code
Physical Specifications Environmental Specifications
0
50
100
150
200
250
300
0 0.5 1 1.5 2 2.5 3 3.5 4
TIME(MINUTES)
T
E
M
P
E
RAT
URE
(
ºC)
Maximum Wave 240C
Lead–free Profile
0
50
100
150
200
250
300
0 0.5 1 1.5 2 2.5 3 3.5 4
TIME(MINUTES)
TEMPER
A
TU
R
E
(º
C
)
Maximum Wave 260C
Non Lead–free Profile
Figure 20 Figure 21