Circuit Protection > PTC Resettable Fuses

MF-RX250 - Bourns

PTC Resettable Fuse 2.5A(hold) 5A(trip) 60V 40A 2.5W 15.6s 0.05Ohm Radial 21.3 X 3.1mm Bulk

Approvals	CSA, TUV, UL
Body Material	Polymer
Case/Package	Radial
China RoHS	Compliant
Contact Plating	Tin
Current Rating	2.5A
Diameter	21.3mm
Export Control Classification Number (ECCN) Code	EAR99
Height	26.4mm
Hold Current	2.5A
Harmonized Tariff Schedule (HTS) Code	8533.40.80.70
Introduction Date	1998-06-01
Lead Diameter	810µm
Lead Free	Lead Free
Lead Pitch	10.2mm
Length	21.3mm
Lifecycle Status	Obsolete
Max Current Rating	40A
Max Operating Temperature	85°C
Max Power Dissipation	2.5W
Min Operating Temperature	-40°C
Mount	Through Hole
Number of Terminals	2
Operating Supply Voltage	60V
Packaging	Bulk
Power Dissipation	2.5W
Radiation Hardening	No
REACH SVHC	Yes
Resistance	50mΩ
RoHS	Compliant
Schedule B	8536100040\|8536100040
Terminal Pitch	10.2mm
Termination	Radial
Time to Trip	15.6s
Trip Current	5A
Voltage Rating	60V
Voltage Rating (AC)	60V
Voltage Rating (DC)	60V
Width	3.1mm
Wire/Cable Diameter	810µm
Working Voltage	60V

RoHS : Unconfirmed

Radiation Hardening : No

REACH SVHC : Yes

Obsolete

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator
Littelfuse	60R250	Production
Bourns	MF-RX250/72-2	Production
Bourns	MF-RX250/72-0	Production
Bourns	MF-RX250/72-AP	Production
Schurter	PFRX.250	Obsolete
TE Connectivity	C72501-000	Obsolete
TE Connectivity / Raychem	RXE2501	Obsolete
Littelfuse	RXEF250-AP	Production
Littelfuse	RXEF250-2	Production