Circuit Protection

1812L035/30DR

Active

RESETTABLE FUSE, PPTC, 1812 (4532 METRIC), POLYSWITCH 1812L SERIES, 30 VDC, 350 MA, 750 MA

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Circuit Protection

Active

RESETTABLE FUSE, PPTC, 1812 (4532 METRIC), POLYSWITCH 1812L SERIES, 30 VDC, 350 MA, 750 MA

Technical Specifications

Parameters and characteristics for this part

Specification	1812L035/30DR

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	350 mA
Current - Max [Max]	40 A
Current - Trip (It)	750 mA
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]	400 mOhms
Resistance - Post Trip (R1) (Max) [Max]	1.7 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) [Max]	1.25 mm
Thickness (Max) [Max]	0.049 "
Time to Trip	150 ms
Type	Polymeric
Voltage - Max [Max]	30 V

PTC 30V POLYFUSE 1812 HALOGEN-FREE .35A

Part	Type	Current - Trip (It)	Time to Trip	Voltage - Max [Max]	Resistance - Initial (Ri) (Min) [Min]	Current - Hold (Ih) (Max) [Max]	Package / Case	Package / Case	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Resistance - Post Trip (R1) (Max) [Max]	Approval Agency	Current - Max [Max]	Thickness (Max) [Max]	Thickness (Max) [Max]
Littelfuse/Commercial Vehicle Products 1812L035/30DR	Polymeric	750 mA	150 ms	30 V	400 mOhms	350 mA	1812 Concave	4532 Metric	4.55 mm	3.24 mm	0.179 in	0.128 in	Surface Mount	85 °C	-40 °C	1.7 Ohms	cURus TUV	40 A	1.25 mm	0.049 "

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