Littelfuse CA Varistor Series - Manual (Page 4)

© 2013 Littelfuse, Inc. 184
Revised: May 8, 2013
Varistor Products
CA Varistor Series
High Energy Industrial Disc Varistors > CA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ca.html for current information.
Operating/Storage
Temperature
-55°C to +85°C
Humidity Aging
+85°C, 85% RH, 1000 hours
+/-10% typical voltage change
Thermal Shock
+85°C to -55°C 10 times
+/-10% typical voltage change
Solvent Resistance MIL–STD–202, Method 215F
Moisture Sensitivity Level 1, J–STD–020C
Soldering
Characteristics Solderability per MIL–STD–202,
Method 208E
Insulating Material glass passivation on edge only
Device Labeling none
Physical Specifications Environmental Specifications
Product Dimensions (mm)
2.5 mm
0.1 inch
DIAMETER
(SEE TABLE)
PASSIVATION
COLLAR
ELECTRODE
THICKNESS
ELECTRODE
OPTIONAL
Model
Size
Disc Diameter
Millimeters Inches
Min Max Min Max
60 58.0 62.0 2.283 2.441
Model
V
RMS
V
M(AC)
Disc Thickness
Millmeters Inches
Min. Max. Min. Max.
250 2.0 2.7 0.079 0.106
275 2.2 3.0 0.087 0.118
320 2.6 3.5 0.102 0.138
420 3.5 4.7 0.138 0.185
510 4.2 5.7 0.165 0.224
575 4.6 6.3 0.181 0.248
660 5.3 7.2 0.209 0.283
750 6.1 8.3 0.240 0.327
880 7.3 10.3 0.287 0.406
1100 9.2 13.0 0.362 0.512
1400 11.5 16.0 0.453 0.630
1700 14.0 19.0 0.551 0.748
2000 17.0 22.5 0.669 0.886
2400 20.0 27.0 0.787 1.063
2800 24.0 32.0 0.945 1.260
Model Number
Typical Discweight
(Grams)
V251CA60 39
V271CA60 42
V321CA60 50
V421CA60 66
V481CA60 71
V511CA60 80
V571CA60 88
V661CA60 101
V751CA60 116
V881CA60 141
V112CA60 178
V142CA60 220
V172CA60 265
V202CA60 317
V242CA60 377
V282CA60 450
Weight