Product Overview

ManualsBrandsLittelfuse ManualsElectronic Fast-Acting Fuses1.8 Amp Fast-Acting, 3AG Type Glass Fuse (250V)

Speciﬁcations are subject to change without notice.

Revised: 06/06/18

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 0.062A - 25A

29862

312 Series: 0.062A - 30A

318 Series: 0.062A - 10A

(312 Series)

NBK040205-E10480B

NBK040205-E10480F

1A - 5A

6A - 10A

(318 Series)

NBK040205-E10480D

NBK040205-E10480H

1A - 5A

6A - 10A

E10480 318 Series: 12A - 30A

SU05001-6008

SU05001-5005

SU05001-5006

1A - 2A

3A - 6A

7A - 10A

N/A 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

• 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.

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.

Summary of content (5 pages)

PAGE 1
Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series 312/318 Series Lead-Free 3AG, Fast-Acting Fuse RoHS Pb PS E Description The 3AG Fast-Acting Fuse solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection.
PAGE 2
Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series Electrical Characteristic Specifications by Item Amp Code Ampere Rating (A) Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 sec) Agency Approvals PS E .062 0.062 250 24.7000 0.000249 x x x .100 0.1 250 11.2800 0.00171 x x x .125 0.125 250 7.1450 0.00289 x x x .150 0.15 250 5.1300 0.00550 x x x .175 0.175 250 3.8750 0.00960 x x x .187 0.187 250 3.
PAGE 3
Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series .250 A .375 A .500 A .750 A 1A 1.5 A 2A 2.5 A 3A 4A 5A 6A 7A 8A 10 A 1000 .125 A Average Time Current Curves .062 A Temperature Re-rating Curve TIME IN SECONDS 100 10 1 0.1 Note: Rerating depicted in this curve is in addition to the industry practice derating of 25% for continuous operation. 0.01 0.005 0.01 1 0.
PAGE 4
Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series Product Characteristics Materials Body: Glass Cap: Nickel–plated brass Leads: Tin–plated Copper Terminal Strength MIL-STD-202, Method 211, Test Condition A Solderability MIL-STD-202 method 208 Cap1: Product Marking Cap2: Brand logo, current and voltage ratings Series and agency approval marks Dimensions Operating Temperature –55ºC to +125ºC Thermal Shock MIL-STD-202, Method 107, Test Condition B: (5 cycles -65°C to +125°C) Vibrat
PAGE 5
Axial Lead & Cartridge Fuses 3AG > Fast Acting > 312/318 Series Recommended Accessories Accessory Type Holder Block Clip Series Max Application Voltage Description Max Application Amperage 155100 Twist-Lock In-Line Fuseholder 32 20 342 Traditional Panel Mount Fuseholder 250 20 346 Panel Mount Flip-Top Shock-Safe Fuseholder 250 15 345 Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options 250 354 Low Profile OMNI-BLOK® Fuse Block 359 High Current Screw Terminal Fu