MF-R250

Datasheet

PTC Resettable Fuse 2.5A Hold, 5A Trip, 30V, 40A, Radial

Bourns

MF-R250

Name: MF-R250 Bourns
Brand: Bourns
SKU: MF-R250

PTC Resettable Fuse 2.5A Hold, 5A Trip, 30V, 40A, Radial

Radial PTC resettable fuse with a 2.5A hold current and 5A trip current, designed for 30V DC operation. Features a 40A maximum current rating, 1.2W power dissipation, and a time to trip of 10.3 seconds at 5A. This through-hole component has a low resistance of 48mΩ and operates within a temperature range of -40°C to 85°C. The body dimensions are 12mm x 3mm x 18.3mm, with a 5.1mm lead pitch and 0.81mm lead diameter. UL, CSA, and TUV approved, this RoHS compliant device is supplied in bulk packaging.

PackageRadial

Resistance48mR

Voltage Rating30V

Current Rating40A

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Technical Specifications

Bourns MF-R250 technical specifications.

General

Approvals	UL, CSA, TUV
Body Diameter	12mm
Body Height	18.3mm
Body Length	12mm
Body Material	Polymer, Epoxy
Package/Case	Radial
Current Rating	40A
Flammability Rating	UL94 V-0
Height	18.3mm
Hold Current	2.5A
Lead Diameter	0.81mm
Lead Free	Lead Free
Lead Length	7.6mm
Lead Pitch	5.1mm
Length	12mm
Max Current Rating	40A
Max Operating Temperature	85°C
Min Operating Temperature	-40°C
Max Power Dissipation	1.2W
Mount	Through Hole, PCB
Operating Supply Voltage	30V
Package Quantity	500
Packaging	Bulk
Power Dissipation	1.2W
Radiation Hardening	No
Reach SVHC Compliant	No
Resistance	48mR
RoHS Compliant	Yes
Series	MF-R
Termination	Radial
Thickness	3mm
Time to Trip	10.3s
Trip Current	5A
Voltage Rating	30V
DC Rated Voltage	30V
Width	12mm
Wire/Cable Diameter	0.81mm