Circuit Protection

1812L050/60MR

Active

RESETTABLE FUSE, PPTC, 1812 (4532 METRIC), POLYSWITCH 1812L SERIES, 60 VDC, 500 MA, 1 A, 0.15 S

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Circuit Protection

Active

RESETTABLE FUSE, PPTC, 1812 (4532 METRIC), POLYSWITCH 1812L SERIES, 60 VDC, 500 MA, 1 A, 0.15 S

Technical Specifications

Parameters and characteristics for this part

Specification	1812L050/60MR

Current - Hold (Ih) (Max) [Max]	500 mA
Current - Trip (It)	1 A
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	1812, Concave
Package / Case	4532 Metric
Resistance - Initial (Ri) (Min) [Min]	150 mOhms
Resistance - Post Trip (R1) (Max) [Max]	1 Ohms
Size / Dimension [x]	4.55 mm
Size / Dimension [x]	0.179 in
Size / Dimension [y]	3.24 mm
Size / Dimension [y]	0.128 in
Thickness (Max)	1.8 mm
Thickness (Max) [Max]	0.071 "
Time to Trip	150 ms
Type	Polymeric
Voltage - Max [Max]	60 V

PTC 60V POLYFUSE SURF MOUNT 1812 0.5A

Part	Voltage - Max [Max]	Resistance - Initial (Ri) (Min) [Min]	Thickness (Max) [Max]	Thickness (Max)	Mounting Type	Time to Trip	Package / Case	Package / Case	Current - Hold (Ih) (Max) [Max]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Operating Temperature [Max]	Operating Temperature [Min]	Resistance - Post Trip (R1) (Max) [Max]	Current - Trip (It)	Type
Littelfuse/Commercial Vehicle Products 1812L050/60MR	60 V	150 mOhms	0.071 "	1.8 mm	Surface Mount	150 ms	1812 Concave	4532 Metric	500 mA	4.55 mm	3.24 mm	0.179 in	0.128 in	85 °C	-40 °C	1 Ohms	1 A	Polymeric

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

The 1812L series device provides surface mount overcurrent protection for applications where resettable protection is desired.