373 Series - TR5® Subminiature Fuses

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Disclaimer Notice

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. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The 373 Series are TR5®, sub-miniature, fast-acting type, 250V rated fuses, designed in accordance to UL 248- 14.


Features:

  • Reduced PCB space requirements
  • Direct solderable or plug-in versions
  • Internationally approved
  • Low internal resistance, Shocksafe casing
  • Vibration resistant
  • Halogen free
  • CCCe for China import


Access specifications, certifications, check availability and order parts below

Catalog #Amps (A)VAC (V)Resistance
(Ω)
Interrupting RatingNominal Melting I2T (A2sec)Min Operating Temp (°C)Max Operating Temp (°C)MSLNom
Power
Dissipation
(W)
Nom
Voltage
Drop
(mV)
OpeningSizeStockSamplesCompare
373005000000.052507.26550A@250VAC0.0001-4085MIL-STD-202 Method 106701400Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373005004100.052507.26550A@250VAC0.0001-4085MIL-STD-202 Method 106701400Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373005004300.052507.26550A@250VAC0.0001-4085MIL-STD-202 Method 106701400Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373005008100.052507.26550A@250VAC0.0001-4085MIL-STD-202 Method 106701400Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373006300000.0632504.6950A@250VAC0.00023-4085MIL-STD-202 Method 106851300Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373006304100.0632504.6950A@250VAC0.00023-4085MIL-STD-202 Method 106851300Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373006304300.0632504.6950A@250VAC0.00023-4085MIL-STD-202 Method 106851300Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373006308100.0632504.6950A@250VAC0.00023-4085MIL-STD-202 Method 106851300Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373008000000.082503.6550A@250VAC0.00037-4085MIL-STD-202 Method 1061001200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373008004100.082503.6550A@250VAC0.00037-4085MIL-STD-202 Method 1061001200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373008004300.082503.6550A@250VAC0.00037-4085MIL-STD-202 Method 1061001200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373008008100.082503.6550A@250VAC0.00037-4085MIL-STD-202 Method 1061001200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373010000000.125011.950A@250VAC0.0013-4085MIL-STD-202 Method 1061101100Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373010004100.125011.950A@250VAC0.0013-4085MIL-STD-202 Method 1061101100Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373010004300.125011.950A@250VAC0.0013-4085MIL-STD-202 Method 1061101100Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373010008100.125011.950A@250VAC0.0013-4085MIL-STD-202 Method 1061101100Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373012500000.1252506.05550A@250VAC0.0019-4085MIL-STD-202 Method 1061251000Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373012504100.1252506.05550A@250VAC0.0019-4085MIL-STD-202 Method 1061251000Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373012504300.1252506.05550A@250VAC0.0019-4085MIL-STD-202 Method 1061251000Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373012508100.1252506.05550A@250VAC0.0019-4085MIL-STD-202 Method 1061251000Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373016000000.162504.32650A@250VAC0.004-4085MIL-STD-202 Method 106155950Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373016004100.162504.32650A@250VAC0.004-4085MIL-STD-202 Method 106155950Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373016004300.162504.32650A@250VAC0.004-4085MIL-STD-202 Method 106155950Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373016008100.162504.32650A@250VAC0.004-4085MIL-STD-202 Method 106155950Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373020000000.22503.22650A@250VAC0.0065-4085MIL-STD-202 Method 106170850Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373020004100.22503.22650A@250VAC0.0065-4085MIL-STD-202 Method 106170850Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373020004300.22503.22650A@250VAC0.0065-4085MIL-STD-202 Method 106170850Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373020008100.22503.22650A@250VAC0.0065-4085MIL-STD-202 Method 106170850Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373025000000.252502.22450A@250VAC0.014-4085MIL-STD-202 Method 106190750Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373025004100.252502.22450A@250VAC0.014-4085MIL-STD-202 Method 106190750Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373025004300.252502.22450A@250VAC0.014-4085MIL-STD-202 Method 106190750Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373025008100.252502.22450A@250VAC0.014-4085MIL-STD-202 Method 106190750Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373031500000.3152501.51550A@250VAC0.032-4085MIL-STD-202 Method 106205650Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373031504100.3152501.51550A@250VAC0.032-4085MIL-STD-202 Method 106205650Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373031504300.3152501.51550A@250VAC0.032-4085MIL-STD-202 Method 106205650Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373031508100.3152501.51550A@250VAC0.032-4085MIL-STD-202 Method 106205650Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373040000000.42500.21350A@250VAC0.016-4085MIL-STD-202 Method 10695230Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373040004100.42500.21350A@250VAC0.016-4085MIL-STD-202 Method 10695230Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373040004300.42500.21350A@250VAC0.016-4085MIL-STD-202 Method 10695230Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373040008100.42500.21350A@250VAC0.016-4085MIL-STD-202 Method 10695230Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373050000000.52500.15750A@250VAC0.025-4085MIL-STD-202 Method 106110220Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373050004100.52500.15750A@250VAC0.025-4085MIL-STD-202 Method 106110220Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373050004300.52500.15750A@250VAC0.025-4085MIL-STD-202 Method 106110220Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373050008100.52500.15750A@250VAC0.025-4085MIL-STD-202 Method 106110220Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373063000000.632500.11850A@250VAC0.045-4085MIL-STD-202 Method 106135210Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373063004100.632500.11850A@250VAC0.045-4085MIL-STD-202 Method 106135210Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373063004300.632500.11850A@250VAC0.045-4085MIL-STD-202 Method 106135210Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373063008100.632500.11850A@250VAC0.045-4085MIL-STD-202 Method 106135210Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373080000000.82500.09750A@250VAC0.069-4085MIL-STD-202 Method 106160200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373080004100.82500.09750A@250VAC0.069-4085MIL-STD-202 Method 106160200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373080004300.82500.09750A@250VAC0.069-4085MIL-STD-202 Method 106160200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373080008100.82500.09750A@250VAC0.069-4085MIL-STD-202 Method 106160200Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731100000012500.07150A@250VAC0.125-4085MIL-STD-202 Method 106190190Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731100041012500.07150A@250VAC0.125-4085MIL-STD-202 Method 106190190Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731100043012500.07150A@250VAC0.125-4085MIL-STD-202 Method 106190190Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731100081012500.07150A@250VAC0.125-4085MIL-STD-202 Method 106190190Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373112500001.252500.06350A@250VAC0.2-4085MIL-STD-202 Method 106225180Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373112504101.252500.06350A@250VAC0.2-4085MIL-STD-202 Method 106225180Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373112504301.252500.06350A@250VAC0.2-4085MIL-STD-202 Method 106225180Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373112508101.252500.06350A@250VAC0.2-4085MIL-STD-202 Method 106225180Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373116000001.62500.0480150A@250VAC0.38-4085MIL-STD-202 Method 106275170Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373116004101.62500.0480150A@250VAC0.38-4085MIL-STD-202 Method 106275170Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373116004301.62500.0480150A@250VAC0.38-4085MIL-STD-202 Method 106275170Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373116008101.62500.0480150A@250VAC0.38-4085MIL-STD-202 Method 106275170Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731200000022500.03850A@250VAC0.63-4085MIL-STD-202 Method 106320160Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731200041022500.03850A@250VAC0.63-4085MIL-STD-202 Method 106320160Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731200043022500.03850A@250VAC0.63-4085MIL-STD-202 Method 106320160Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731200081022500.03850A@250VAC0.63-4085MIL-STD-202 Method 106320160Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373125000002.52500.0304750A@250VAC1.2-4085MIL-STD-202 Method 106375150Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373125004102.52500.0304750A@250VAC1.2-4085MIL-STD-202 Method 106375150Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373125004302.52500.0304750A@250VAC1.2-4085MIL-STD-202 Method 106375150Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373125008102.52500.0304750A@250VAC1.2-4085MIL-STD-202 Method 106375150Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373131500003.152500.02250A@250VAC1.9-4085MIL-STD-202 Method 106445140Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373131504103.152500.02250A@250VAC1.9-4085MIL-STD-202 Method 106445140Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373131504303.152500.02250A@250VAC1.9-4085MIL-STD-202 Method 106445140Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373131508103.152500.02250A@250VAC1.9-4085MIL-STD-202 Method 106445140Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731400000042500.0185250A@250VAC3.5-4085MIL-STD-202 Method 106520130Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731400041042500.0185250A@250VAC3.5-4085MIL-STD-202 Method 106520130Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731400043042500.0185250A@250VAC3.5-4085MIL-STD-202 Method 106520130Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731400081042500.0185250A@250VAC3.5-4085MIL-STD-202 Method 106520130Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731500000052500.01350A@250VAC6.2-4085MIL-STD-202 Method 106630120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731500041052500.01350A@250VAC6.2-4085MIL-STD-202 Method 106630120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731500043052500.01350A@250VAC6.2-4085MIL-STD-202 Method 106630120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731500081052500.01350A@250VAC6.2-4085MIL-STD-202 Method 106630120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373163000006.32500.0133150A@250VAC9.1-4085MIL-STD-202 Method 1061000115Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373163004106.32500.0133150A@250VAC9.1-4085MIL-STD-202 Method 1061000115Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373163004306.32500.0133150A@250VAC9.1-4085MIL-STD-202 Method 1061000115Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
373163008106.32500.0133150A@250VAC9.1-4085MIL-STD-202 Method 1061000115Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731800000082500.0073650A@250VAC30-4085MIL-STD-202 Method 1061600120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731800041082500.0073650A@250VAC30-4085MIL-STD-202 Method 1061600120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731800043082500.0073650A@250VAC30-4085MIL-STD-202 Method 1061600120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
3731800081082500.0073650A@250VAC30-4085MIL-STD-202 Method 1061600120Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
37321000000102500.00594550A@250VAC55-4085MIL-STD-202 Method 1062000110Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
37321000410102500.00594550A@250VAC55-4085MIL-STD-202 Method 1062000110Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
37321000430102500.00594550A@250VAC55-4085MIL-STD-202 Method 1062000110Fast-Acting (F)TR5 (8.5x8mm)CheckOrder
37321000810102500.00594550A@250VAC55-4085MIL-STD-202 Method 1062000110Fast-Acting (F)TR5 (8.5x8mm)CheckOrder

pdf icon Point of Sale

Littelfuse_Phils_ISO9001_102407icon 2022-06-17_ISO 9001 2015_LF Phils

PhilsISO14001Certificateicon 2022-04-19_ISO 14001-2015_LF Phils

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