Cartridge and Axial Lead Fuses
3AG > Fast Acting > 312/318 Series
Product Characteristics
Body: Glass
Operating
Temperature
oꢉꢉ$ꢀUPꢀꢊꢂꢍꢉ$
Materials
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Thermal
Shock
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Test Condition A
Terminal Strength
Solderability
Vibration
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2003-01 Annex A
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and Elevated temperature (40°C) for 240 hours
Humidity
Cap1:
Cap2:
Brand logo, current and voltage
ratings
Series and agency approval
marks
Product Marking
.* ꢌ45%ꢌꢍꢃꢍ(ꢎꢀ.FUIPEꢀꢂꢃꢂ%ꢎꢀꢀ
Test Condition B
Salt Spray
Part Numbering System
Dimensions
Measurements displayed in millimeters (inches)
0312 xxxx M X CC
312 Series
Series
312 = Cartridge
318 = Axial Leaded
6.35
(.25")
31.75
(1.25")
Current Rating Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
318 Series
M = 1000
H = 100
V = 5
0.813
(.032")
6.985
(.275")
Packaging Code
32.72
39.68
X = Loose Pack
(1.288")
(1.56")5:1.
Option Codes
Blank = Standard Item
CC = Color Coded
SL = Short Lead Option (12.70 +/- 1.575 mm)
P = RoHS Compliant and Lead Free Indicator *
Standard Length
Axial Lead Material:
Tin Coated Copper
12.70
(0.50”)5:1
Short Lead Option
For additional information or information about
other available options, please contact Littelfuse.
*Note: All 312 / 318 series fuses are now sold
as RoHS compliant and Lead Free by default,
with or without the “P” indicator.
Packaging
Quantity &
Packaging Code
Packaging Option
Quantity
312 Series (Cartridge Type)
Bulk
5
VX
)9
Bulk
100
Bulk
1000
1000
100
MX
Bulk
MXCC
)9$$
Bulk
318 Series (Axial Leaded)
Bulk
Bulk
Bulk
Bulk
5
VX
)9
100
1000
1000
MX
MXSL
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com/series/312.html or 318.html for current information.
312/318 Series
156
Revised: July 16, 2008
Please refer to www.littelfuse com
LITTELFUSE [ LITTELFUSE ]
