Circuit Protection

1812L110/24DR

Active

PTC 24V POLYFUSE 1812 HALOGEN-FREE 1.10A/ TR ROHS COMPLIANT: YES

Search across all available documentation for this part.

Circuit Protection

Active

PTC 24V POLYFUSE 1812 HALOGEN-FREE 1.10A/ TR ROHS COMPLIANT: YES

Technical Specifications

Parameters and characteristics for this part

Specification	1812L110/24DR

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	1.1 A
Current - Max [Max]	20 A
Current - Trip (It)	1.95 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]	60 mOhms
Resistance - Post Trip (R1) (Max)	200 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) [Max]	0.042 in
Thickness (Max) [Max]	1.07 mm
Time to Trip	500 ms
Type	Polymeric
Voltage - Max [Max]	24 V

PTC 24V POLYFUSE 1812 HALOGEN-FREE 1.10A

Part	Thickness (Max) [Max]	Thickness (Max) [Max]	Voltage - Max [Max]	Package / Case	Package / Case	Time to Trip	Approval Agency	Current - Trip (It)	Operating Temperature [Max]	Operating Temperature [Min]	Type	Current - Max [Max]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Mounting Type	Current - Hold (Ih) (Max) [Max]	Resistance - Post Trip (R1) (Max)	Resistance - Initial (Ri) (Min) [Min]
Littelfuse/Commercial Vehicle Products 1812L110/24DR	0.042 in	1.07 mm	24 V	1812 Concave	4532 Metric	500 ms	cURus TUV	1.95 A	85 °C	-40 °C	Polymeric	20 A	4.55 mm	3.24 mm	0.179 in	0.128 in	Surface Mount	1.1 A	200 mOhms	60 mOhms

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