388 Series - 3AG Glass Body Fuse Designed for Meti-B

Series: 388
Obsolete: 2011 -08-08
Questions? Contact Littelfuse Support
Roll Over to Zoom
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 Littelfuse 388 Series is a 3AG size fuse designed for cost-effective reliability and performance in circuit protection to serve a broad range of application requirements.


  • Designed to Japanese standard JIS C6575
  • RoHS compliant and lead free
  • Available in cartridge and axial lead form and various forming demensions

  • Used as supplementary protection in appliance or utilization equipment to provide individual protection for components or internal circuits.

Access specifications, certifications, check availability and order parts below

Catalog #VAC (V)Nominal Melting I2T (A2sec)Resistance
Obsolete: 2011 -08-08
2500.760.1651Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2505.20.0618Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
250140.036Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
25028.50.0252Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
250500.0193Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
25081.10.0151Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2501180.0127Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2501660.0109Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2502.350.0895Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.00715Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.0052Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.00415Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.0441Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.0024Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.0019Glass BodyContact LittelfuseMeti B fuseOrder
Obsolete: 2011 -08-08
2500.0013Glass BodyContact LittelfuseMeti B fuseOrder
To request product environmental information, please complete the Product Environmental Information Request Form.

Littelfuse_Suzhou_CQCISO14001icon LF Suzhou_ISO 14001_2015_Nov. 12-2020

Littelfuse_Suzhou_CQCISO9001 2000icon LF Suzhou_ISO_9001_2015_Nov. 12-2020

Littelfuse_Suzhou_ISOTS16949icon 2021-06-25_IATF16949-2016_Suzhou Site

pdf icon Fuse 388 Datasheet

The Littelfuse 388 Series is a 3AG size fuse that solves a broad range of application requirements while offering reliable performance and cost-effective circuit protection...

pdf icon Fuse Accessories Selection Guide

A quick reference guide to selecting holders blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...