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Littelfuse

Littelfuse 021802.5MRET1P 2.5A 250V 5×20mm Time-Lag Glass Fuse

Part Number: 021802.5MRET1P

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021802.5MRET1P is Littelfuse’s 2.5A selection in the 218 Series. The manufacturer lists 250V AC service together with 35A @ 250VAC breaking performance. This IEC time-lag glass fuse is supplied in an axial-lead configuration for through-hole installation. Confirm application fit, derating and approvals with the manufacturer datasheet.

Rated Current2.5A
Rated Voltage250V AC
Breaking Capacity35A @ 250VAC
Package5×20mm

The 2.5A 021802.5MRET1P belongs to Littelfuse’s 218 Series portfolio. The primary selection values are 250V AC and 35A @ 250VAC interrupting performance. This IEC time-lag glass fuse is supplied in an axial-lead configuration for through-hole installation. Its form factor is 5×20mm; the mounting method is PCB Through-Hole, and the terminal style is tin-plated copper axial leads. Published dimensions are 5.2mm dia × 20mm body; axial leads ~40mm. Typical applications include Appliances, Consumer Electronics, Internal Circuit Protection, Power Supplies. Check the official Littelfuse datasheet before final coordination.

Technical Specifications

Part Number
021802.5MRET1P
Manufacturer Part Number
021802.5MRET1P
Series
218 Series
Fuse Type
5×20mm Time-Lag Glass Cartridge Fuse
Current Rating
2.5A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
35A @ 250VAC
I²t
23.25 A²s
Operating Temperature
-55°C to +125°C
Package / Dimensions
5×20mm
Mounting
PCB Through-Hole
Application
Appliances · Consumer Electronics · Internal Circuit Protection · Power supplies
Standard
IEC 60127-2 Sheet 3
Terminal Type
Tin-plated Copper Axial Leads
Fuse Speed
Time Delay
Utilization Class
Supplemental
Approvals
RoHS · UL Recognized
Certifications
UL Recognized · RoHS · Lead-Free; additional approvals vary by ampere rating/configuration
Body
Glass
Operating temperature
-55°C to +125°C
Nominal melting I²t
23.25 A²s

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