PTC Resettable Fuses

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Series	Packaging	Product Status	Type	Voltage - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Current - Max	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Grade	Qualification	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
AHS300-2 PTC RESET FUSE 16V 3A 2SMD Littelfuse Inc.	2,921	-	RFQ	Datasheet	2-SMD	PolySwitch®, AHS	Tape & Reel (TR)	Active	Polymeric	16V	3 A	6 A	70 A	8 s	24 mOhms	83 mOhms	-	-40°C ~ 125°C	Automotive	AEC-Q200	-	Surface Mount	0.343" L x 0.250" W (8.70mm x 6.36mm)	-	0.118" (3.00mm)	-
2920L110/60MR PTC RESET FUSE 60V 1.1A 2920 Littelfuse Inc.	39,778	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	60V	1.1 A	2.2 A	20 A	500 ms	120 mOhms	410 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.289" L x 0.202" W (7.36mm x 5.12mm)	-	0.079" (2.00mm)	-
2920L185DR PTC RESET FUSE 33V 1.85A 2920 Littelfuse Inc.	6,913	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	33V	1.85 A	3.7 A	40 A	2.5 s	50 mOhms	150 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
SRP350F PTC RESET FUSE 30V 3.5A STRAP Littelfuse Inc.	32,069	-	RFQ	Datasheet	Strap	PolySwitch®, SRP	Bulk	Active	Polymeric	30V	3.5 A	6.3 A	100 A	3 s	17 mOhms	50 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	1.185" L x 0.522" W (30.10mm x 13.25mm)	-	0.043" (1.10mm)	-
SRP200F PTC RESET FUSE 30V 2A STRAP Littelfuse Inc.	18,535	-	RFQ	Datasheet	Strap	PolySwitch®, SRP	Bulk	Active	Polymeric	30V	2 A	4.4 A	100 A	4 s	30 mOhms	100 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.880" L x 0.417" W (22.35mm x 10.60mm)	-	0.043" (1.10mm)	-
2920L300/15DR PTC RESET FUSE 15V 3A 2920 Littelfuse Inc.	4,390	-	RFQ	Datasheet	2920 (7351 Metric), Concave	POLY-FUSE®, 2920L	Tape & Reel (TR)	Active	Polymeric	15V	3 A	5 A	40 A	20 s	15 mOhms	48 mOhms	-	-40°C ~ 85°C	-	-	-	Surface Mount	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.049" (1.25mm)	-
RUEF600 PTC RESET FUSE 30V 6A RADIAL Littelfuse Inc.	15,967	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, RUEF	Bag	Active	Polymeric	30V	6 A	12 A	100 A	16 s	5 mOhms	40 mOhms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.949" (24.10mm)	-	0.400" (10.15mm)
TRF250-120T-RA-B-0.5 PTC RESET FUSE 60V 120MA RADIAL Littelfuse Inc.	18,427	-	RFQ	Datasheet	Radial, Disc	PolySwitch®, TRF250	Bag	Active	Polymeric	60V (250V Int)	120 mA	240 mA	3 A	1.2 s	7 Ohms	16 Ohms	-	-40°C ~ 85°C	-	-	-	Through Hole	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.197" (5.00mm)
ASMDC185F/33-2 PTC RESET FUSE 33V 1.85A 2SMD Littelfuse Inc.	7,938	-	RFQ	Datasheet	2-SMD	PolySwitch®, ASMD	Tape & Reel (TR)	Active	Polymeric	33V	1.85 A	3.7 A	40 A	2.5 s	50 mOhms	150 mOhms	-	-	Automotive	AEC-Q200	-	Surface Mount	0.295" L x 0.201" W (7.50mm x 5.10mm)	-	0.028" (0.71mm)	-
VTP210GF PTC RESET FUSE 16V 2.1A STRAP Littelfuse Inc.	2,371	-	RFQ	Datasheet	Strap	PolySwitch®, VTP	Bulk	Active	Polymeric	16V	2.1 A	4.7 A	100 A	5 s	18 mOhms	60 mOhms	-	-40°C ~ 85°C	-	-	-	User Defined	0.909" L x 0.209" W (23.10mm x 5.30mm)	-	0.032" (0.80mm)	-

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PTC Resettable Fuses FAQ

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