312 Series - 3AG Fast-Acting Glass Body Fuse

312_318
View Important Application Association

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse.

The 3AG Fast-Acting Fuse solves a broad range 
of application requirements while offering reliable 
performance and cost-effective circuit protection.


Features:

  • In accordance with UL Standard 248-14
  • Available in cartridge and axial lead format and with various forming dimensions
  • RoHS compliant and Lead-free

Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
Interrupting RatingBodyMarking CodeMSLMin Operating Temp °CMax Operating Temp (°C)StockSamplesCompare
0312.0620.0622500.00024924.710000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.1000.12500.0017111.2835A@250VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.1250.1252500.002897.14510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.1500.152500.00555.1310000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.1750.1752500.00963.87510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.1870.1872500.01283.4210000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.2000.22500.01653.0210000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.2500.252500.03552.0110000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.3000.32500.06891.40510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.3750.3752500.1850.82510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.5000.52500.4830.49810000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.6000.62500.880.36210000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.7500.752501.840.244510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312001.12500.760.1910000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312002.22505.20.070410000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312003.3250140.0426510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312004.425028.50.0292510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312005.5250500.022410000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312006.6250810.017810000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312007.72501180.014610000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312008.82501660.0121510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
031201.51.52502.350.1035510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
031201.61.62502.80.0933510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
031201.81.82503.850.0825100A@250VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312010.102502980.009310000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312012.12320.00715Glass BodyVXContact Littelfuse-55125CheckOrder
0312015.15320.005210000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
031202.52.52509.540.0513100A@250VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312020.20320.00345300A@32VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312025.25320.0024300A@32VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312030.30320.0019300A@32VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312035.35320.0013300A@32VACGlass BodyVXContact Littelfuse-55125CheckOrder
03121.251.252501.450.138510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
03121.751.752503.60.0855510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
03122.252.252507.20.0593510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.010
Obsolete: 2010-01-01
0.01250177.410000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder
0312.031
Obsolete: 2010-01-01
0.0312500.0000323.6510000A@125VACGlass BodyVXContact Littelfuse-55125CheckOrder

312_318icon Fuse 312 and 318 Datasheet

The 3AG Fast-Acting Fuse solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection...

312 318 Series Time Curve

Littelfuse_Suzhou_CQCISO14001icon Suzhou CQC ISO 14001

Littelfuse_Suzhou_CQCISO9001 2000icon Suzhou CQC ISO 90012000 GBT 19001 2000

Littelfuse_Suzhou_ISOTS16949icon Suzhou ISOTS 16949

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