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V18MA1A_09 Datasheet, PDF (5/5 Pages) Littelfuse – Axial Lead / Application Specific Varistors
Varistor Products
Axial Lead / Application Specific Varistors > MA Series
Wave Solder Profile
Non Lead–free Profile
Lead–free Profile
300
Maximum Wave 240C
250
200
150
100
50
0
0
0.5
1
1.5
2
2.5
3
3.5
4
Figure 9
TIME(MINUTES)
300
Maximum Wave 260C
250
200
150
100
50
0
0
0.5
1
1.5
2
2.5
3
3.5
4
Figure 10
TIME(MINUTES)
Product Dimensions
Physical Specifications
L
b (diameter)
H
L
D
Symbol
Øb
ØD
H
L
Inches
Millimeters
Min
Max
Min
Max
0.024
0.026
0.61
0.66
0.118
0.177
3.0
4.5
0.177
0.276
4.5
7.0
1.740
1.220
27.3
31.0
Typical Weight = 0.5g
Tape and Reel Dimensions
0.063” max
H1 = H2 +/- 0.040”
H1
H2
0.200” +/- 0.02
Lead Material
Tin–plated Copper clad steel
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 and date code
Environmental Specifications
Operating/Storage
Temperature
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Moisture Sensitivity
-40°C to +85°C
+85°C, 1000 hours
+/-10% typical voltage change
+85°C, 85% RH, 1000 hours
+/-10% typical voltage change
+85°C to -40°C 5 times
+/-10% typical voltage change
MIL–STD–202, Method 215F
Level 1, J–STD–020C
0.240”+/- 0.040
2.062”+/- 0.059
2.681” max
Conforms to EIA Standard RS-296-E
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ma.html for current information.
0.080” max
Part Numbering System
V XXX MA XX
VARISTOR
ENERGY/CLAMPING
VOLTAGE VARIANT
VARISTOR VOLTAGE
(VN at 1mA)
187
Revision: January 9, 2009
SERIES DESIGNATOR
MA: Bulk Pack
MT: Tape and Reel
MA Varistor Series