Circuit Protection

2920L185DR

Active

RESETTABLE FUSE, PPTC, 2920 (7351 METRIC), POLYSWITCH 2920L SERIES, 33 VDC, 1.85 A, 3.7 A, 2.5 S

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Circuit Protection

Active

RESETTABLE FUSE, PPTC, 2920 (7351 METRIC), POLYSWITCH 2920L SERIES, 33 VDC, 1.85 A, 3.7 A, 2.5 S

Technical Specifications

Parameters and characteristics for this part

Specification	2920L185DR

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	1.85 A
Current - Max [Max]	40 A
Current - Trip (It)	3.7 A
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	2920 (7351 Metric), Concave
Resistance - Initial (Ri) (Min) [Min]	50 mOhms
Resistance - Post Trip (R1) (Max) [Max]	150 mOhms
Size / Dimension [x]	7.35 mm
Size / Dimension [x]	0.289 in
Size / Dimension [y]	0.202 "
Size / Dimension [y]	5.12 mm
Thickness (Max) [Max]	1.25 mm
Thickness (Max) [Max]	0.049 "
Time to Trip	2.5 s
Type	Polymeric
Voltage - Max [Max]	33 V

PTC 33V POLYFUSE SURF MOUNT 2920 1.85A

Part	Thickness (Max) [Max]	Thickness (Max) [Max]	Type	Current - Trip (It)	Current - Max [Max]	Package / Case	Time to Trip	Mounting Type	Operating Temperature [Max]	Operating Temperature [Min]	Resistance - Post Trip (R1) (Max) [Max]	Approval Agency	Current - Hold (Ih) (Max) [Max]	Resistance - Initial (Ri) (Min) [Min]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Voltage - Max [Max]
Littelfuse/Commercial Vehicle Products 2920L185DR	1.25 mm	0.049 "	Polymeric	3.7 A	40 A	2920 (7351 Metric) Concave	2.5 s	Surface Mount	85 °C	-40 °C	150 mOhms	cURus TUV	1.85 A	50 mOhms	0.202 "	5.12 mm	7.35 mm	0.289 in	33 V

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

General part information

The 2920L Series PTC provides surface mount overcurrent protection for medium voltage (≤60V) applications where resettable protection is desired.

Technical documentation and resources