LR4 Series

Catalog

PTC RESETTABLE FUSE 13A(HOLD) 21.2A(TRIP) 20VDC 100A 4.5W 10S 0.0035OHM SMD SOLDER PAD 66.5 X 10 X 1.3MM BAG

Part	Approval Agency	Type	Time to Trip	Voltage - Max [Max]	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Package / Case	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Resistance - Post Trip (R1) (Max) [Max]	Current - Hold (Ih) (Max) [Max]	Resistance - Initial (Ri) (Min) [Min]	Current - Trip (It)	Current - Max [Max]	Size / Dimension [x]	Size / Dimension [y]	Current - Hold (Ih) (Max)	Thickness (Max) [Max]	Thickness (Max) [Max]
LITTELFUSE LR4-1300SSF	CSA TUV UL	Polymeric	10 s	20 V	User Defined	85 °C	-40 C	Strap	0.382 in	9.7 mm	64 mm	2.52 "	9 mOhms	13 A	3.5 mOhms	21.2 A	100 A
LITTELFUSE LR4-450F		Polymeric	5 s	20 V	User Defined	85 °C	-40 C	Strap		10.5 mm	25 mm		28 mOhms		11 mOhms	8.9 A	100 A	0.984 "	0.413 in	4.5 A	1 mm	0.039 in
LITTELFUSE LR4-250UF		Polymeric		15 V	User Defined			Strap									100 A			2.5 A