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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
3AG > Fast Acting > 312/318 Series
312/318 Series Lead-Free 3AG, Fast-Acting Fuse
The 3AG Fast-Acting Fuse solves a broad range
of application requirements while offering reliable
performance and cost-effective circuit protection.
Agency Approvals
Agency Agency File Number Ampere Range
E10480 312 Series: 0.062A - 30A
318 Series: 0.062A - 10A
29862
312 Series: 0.062A - 30A
318 Series: 0.062A - 10A
PS
E
NBK040205-E10480B/F
NBK040205-E10480D/H
312/318 Series 1A-5A
312/318 Series 6A-10A
E10480 318 Series: 12A - 30A
SU05001-6008
SU05001-5005
SU05001-5006
312/318 Series: 1-2A
312/318 Series: 3-6A
312/318 Series: 7-10A
N/A
312 Series: 0.062A - 10A
318 Series: 0.062A - 10A
Features
Electrical Characteristics for Series
Applications
% of Ampere
Rating
Ampere Rating Opening Time
100%
0.062A – 35A 4 hours, Minimum
135%
0.062A – 35A 1 hour, Maximum
200%
0.062A – 10A 5 sec., Maximum
12A – 30A 10 sec., Maximum
35A 20 sec., Maximum
RoHS
Pb
• In accordance with UL
Standard 248-14
• Available in cartridge
and axial lead format
and with various forming
dimensions
• RoHS compliant and
Lead-free
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
PS
E
Description
Application testing is strongly recommended.
Additional Information
Datasheet
Samples
Resources
Datasheet
Samples
Resources
312 Series
318 Series
312 Series
318 Series
312 Series 312 & 318 Series
318 Series
Accessories
For recommended fuse accessories for this product series,
see ‘Recommended Accessories’ section.