250R180TMR

$1.46

Description：PTC RESET FUSE 60V 180MA RADIAL
Series：POLY-FUSE®, 250R
Mfr：Littelfuse Inc.
Package：Cut Tape (CT),Tape & Box (TB)

SKU:0c62855cbb53 Category: PTC Resettable Fuses Brand: Littelfuse Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

250R180TMR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 60V 180MA RADIAL. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for 250R180TMR

Description：PTC RESET FUSE 60V 180MA RADIAL
Series：POLY-FUSE®, 250R
Mfr：Littelfuse Inc.
Package：Cut Tape (CT),Tape & Box (TB)
Type：Polymeric
Voltage - Max：60V (250V Int)
Current - Hold (Ih) (Max)：180 mA
Current - Trip (It)：650 mA
Current - Max：10:00 AM
Time to Trip：21 s
Resistance - Initial (Ri) (Min)：1.4 Ohms
Resistance - Post Trip (R1) (Max)：4.5 Ohms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.374" Dia x 0.181" T (9.50mm x 4.60mm)
Height - Seated (Max)：0.472" (12.00mm)
Thickness (Max)：-
Lead Spacing：0.201" (5.10mm)

Ptc Resettable Fuses datasheet and documents for 250R180TMR

250R180TMR

Ptc Resettable Fuses Overview

The Littelfuse 250R180TMR is a radial-leaded PolySwitch resettable PTC device designed for overcurrent protection. It features a hold current of 180 mA and a trip current of 650 mA, with a maximum voltage rating of 60 V. The component has a typical resistance of 4.5 Ohms and a power dissipation of 1.8 W. It operates within a temperature range of -40°C to +85°C and utilizes a 5.1 mm lead spacing.

Ptc Resettable Fuses Feature Summary

Provides reliable overcurrent protection by raising resistance as it heats to limit current flow during fault conditions.

Ptc Resettable Fuses Applications

Telecom equipment protection
Networking hardware safeguarding
PCB component overcurrent defense

Ptc Resettable Fuses Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm availability through authorized distributors or check for direct replacements from Littelfuse. Ensure that any substitute components meet the original electrical requirements for voltage, current, and package dimensions to maintain circuit integrity.

Ptc Resettable Fuses Selection Notes

Select this component when designing circuits requiring radial-leaded resettable fuses with a 60 V maximum rating. Ensure the application current remains below the 180 mA hold threshold under normal operation. Verify that the 650 mA trip current aligns with the protected circuit's surge tolerance and that the thermal environment stays within the specified operating range.

Ptc Resettable Fuses Part Context

This device belongs to the 250R series of PolySwitch resettable fuses manufactured by Littelfuse. These devices are engineered for robust circuit protection in demanding environments. The 250R series is widely recognized for its reliability in protecting sensitive electronics against accidental overcurrent events and short circuits.