Cartridge and Axial Lead Fuses
3AG > Fast Acting > 312/318 Series
Product Characteristics
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Test Condition A
2003-01 Annex A
Cap1:
Product Marking
Cap2:
Brand logo, current and voltage
ratings
Series and agency approval
marks
Humidity
and Elevated temperature (40°C) for 240 hours
Salt Spray
Operating
Temperature
Thermal
Shock
Vibration
Materials
Terminal Strength
Solderability
Test Condition B
Part Numbering System
Dimensions
Measurements displayed in millimeters (inches)
0312 xxxx M X CC
Series
312 = Cartridge
318 = Axial Leaded
312 Series
6.35
(.25")
31.75
(1.25")
Current Rating Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
M = 1000
H = 100
V=5
318 Series
6.985
(.275")
32.72
(1.288")
Axial Lead Material:
Tin Coated Copper
0.813
(.032")
Packaging Code
X = Loose Pack
Option Codes
Blank = Standard Item
CC = Color Coded
SL = Short Lead Option (12.70 +/- 1.575 mm)
P = RoHS Compliant and Lead Free Indicator *
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.
39.68
(1.56")
.
Standard Length
12.70
(0.50”)
Short Lead Option
Packaging
Packaging Option
312 Series
(Cartridge Type)
Bulk
Bulk
Bulk
Bulk
Bulk
318 Series
(Axial Leaded)
Bulk
Bulk
Bulk
Bulk
312/318 Series
Quantity
Quantity &
Packaging Code
VX
MX
MXCC
5
100
1000
1000
100
5
100
1000
1000
VX
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.
Please refer to www.littelfuse.com
156
Revised: July 16, 2008
LITTELFUSE [ LITTELFUSE ]
