|
V18MA1A_09 Datasheet, PDF (5/5 Pages) Littelfuse – Axial Lead / Application Specific Varistors | |||
|
◁ |
Varistor Products
Axial Lead / Application Speciï¬c Varistors > MA Series
Wave Solder Proï¬le
Non Leadâfree Proï¬le
Leadâfree Proï¬le
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 Speciï¬cations
L
b (diameter)
H
L
D
Symbol
Ãb
ÃD
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
0.063â max
H1 = H2 +/- 0.040â
H1
H2
0.200â +/- 0.02
Lead Material
Tinâplated Copper clad steel
Soldering
Characteristics
Solderability per MILâSTDâ202,
Method 208E
Insulating Material
Cured, ï¬ame retardant epoxy polymer
meets UL94Vâ0 requirements
Device Labeling Marked with LF, voltage and date code
Environmental Speciï¬cations
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
MILâSTDâ202, Method 215F
Level 1, JâSTDâ020C
0.240â+/- 0.040
2.062â+/- 0.059
2.681â max
Conforms to EIA Standard RS-296-E
©2008 Littelfuse, Inc.
Speciï¬cations are subject to change without notice.
Please refer to www.littelfuse.com/series/ma.html for current information.
0.080â 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
|