Datasheet

Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
316
Axial Lead & Cartridge Fuses
3AG > Fast Acting > 312/318 Series
312/318 Series
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Please refer to www.littelfuse.com/series/312.html
or /318.html for current information.
312 Series
318 Series
6.35
(.25")
32.72
(1.288")
31.75
(1.25")
6.985
(.275")
0.813
(.032")
39.68
(1.56") 5:1.
Standard Length
12.70
(0.50”) 5:1
Short Lead Option
Axial Lead Material:
Tin Coated Copper
Product Characteristics
Dimensions
Packaging
Materials
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Terminal Strength
.*-45%(.FUIPE"
Test Condition A
Solderability
3FGFSFODF*&$4FDPOE&EJUJPO
2003-01 Annex A
Product Marking
Cap1: Brand logo, current and voltage
ratings
Cap2: Series and agency approval
marks
Operating
Temperature
o$UP$
Thermal
Shock
.*-45%(.FUIPE(5FTU$POEJUJPO#
DZDMFT¡$UP¡$
Vibration .*-45%(.FUIPE"
Humidity
.*-45%(.FUIPE#
5FTU$POEJUJPO")JHI3)
and Elevated temperature (40°C) for 240 hours
Salt Spray
.*-45%(.FUIPE%
Test Condition B
Part Numbering System
0312 M X Pxxxx
Lead-free
Packaging Code
Quantity Code
Amp Code
Series
X = Filler
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table
Measurements displayed in millimeters (inches)
Packaging Option Packaging Specication Quantity
Quantity &
Packaging Code
Taping Width
312 Series
Bulk N/A 1000 MX N/A
Bulk N/A 100 )9 N/A
318 Series
Bulk N/A 1000 MX N/A
Bulk N/A 100 )9 N/A
Bulk N/A 1000 MXB N/A