Circuit Protection > PTC Resettable Fuses

RXEF025 - Littelfuse

PTC Resettable Fuse 0.25A(hold) 0.5A(trip) 72V 40A 0.45W 2.5s 1.25Ohm Radial 7.4 X 3mm Bag

Technical Details

Ambient Temperature Range High	85°C
Case/Package	Radial
China RoHS	Compliant
Contact Plating	Tin
Current Rating	40A
Height	12.7mm
Hold Current	250mA
Lead Length	7.6mm
Length	7.4mm
Lifecycle Status	Production
Max Current Rating	40A
Max Operating Temperature	85°C
Maximum Resistance 1 Hour (R1max)	3Ω
Min Operating Temperature	-40°C
Minimum Resistance Initial (Rmin)	1.25Ω
Number of Terminals	2
Operating Supply Voltage	72V
Packaging	Bulk
Power Dissipation	450mW
REACH SVHC	Yes
Resistance	1.25Ω
RoHS	Compliant
Time to Trip	2.5s
Trip Current	500mA
Voltage Rating	72V
Width	3mm
Working Voltage	72V

Compliance

RoHS : Unconfirmed

REACH SVHC : Yes

Images

Littelfuse RXEF025 | Future Electronics

Future Electronics

Datasheets

Future Electronics

Lifecycle Status Indicator

Production

Symbol

RXEF025 Symbol - Littelfuse

RXEF025 Symbol - Littelfuse

RXEF025 Symbol - Littelfuse

RXEF025 Symbol - Littelfuse

‹ ›

Footprint

RXEF025 Footprint - Littelfuse

RXEF025 Footprint - Littelfuse

RXEF025 Footprint - Littelfuse

RXEF025 Footprint - Littelfuse

‹ ›

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Bourns	MF-R025	Production
Schurter	PFRA.025	Production
Bourns	MF-R025-2	Production
Bourns	MF-R025-2-99	Obsolete
Bourns	MF-R025-AP	Production
Bourns	MF-R025-0-99	Obsolete
Schurter	PFRA.025.2	Production
Schurter	PFRA.025.3	Production
Bourns	MF-R025-AP-99	Obsolete
TE Connectivity / Raychem	RXE025-1	Unknown

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