Circuit Protection

1812L200/12DR

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PTC 12V POLYFUSE SURF MOUNT 1812/ TR

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Circuit Protection

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PTC 12V POLYFUSE SURF MOUNT 1812/ TR

Technical Specifications

Parameters and characteristics for this part

Specification	1812L200/12DR

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	2 A
Current - Max [Max]	100 A
Current - Trip (It)	3.5 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]	20 mOhms
Resistance - Post Trip (R1) (Max) [Max]	70 mOhms
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)	1.2 mm
Thickness (Max)	0.047 in
Time to Trip	2 s
Type	Polymeric
Voltage - Max [Max]	12 V

PTC 12V POLYFUSE SURF MOUNT 1812

Part	Package / Case	Package / Case	Time to Trip	Thickness (Max)	Thickness (Max)	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Resistance - Initial (Ri) (Min) [Min]	Resistance - Post Trip (R1) (Max) [Max]	Current - Hold (Ih) (Max) [Max]	Voltage - Max [Max]	Mounting Type	Current - Trip (It)	Approval Agency	Operating Temperature [Max]	Operating Temperature [Min]	Type	Current - Max [Max]
Littelfuse/Commercial Vehicle Products 1812L200/12DR	1812 Concave	4532 Metric	2 s	1.2 mm	0.047 in	4.55 mm	3.24 mm	0.179 in	0.128 in	20 mOhms	70 mOhms	2 A	12 V	Surface Mount	3.5 A	cURus TUV	85 °C	-40 °C	Polymeric	100 A

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.

Technical documentation and resources