184
Varistor Products
©2009 Littelfuse, Inc.
Revision: November 5, 2009
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
MILSTD202, Method 215F
Moisture Sensitivity
Level 1, JSTD020C
Soldering
Characteristics
Solderability per MILSTD202,
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
Summary :
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 MILSTD202, Method 215F Moisture Sensitivity Level 1, JSTD020C Soldering Characteristics Solderability per MILSTD202, 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.
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min,max,typical,model,85c,change,specifications,disc,0138,oltage,series,inches,electrode