Littelfuse PTC Resettable Fuses

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CategoryPower / Circuit Protection / PTC Resettable Fuses

ManufacturerLittelfuse Inc.

Records 1,697

Page 4/57

Part Number	Manufacturer	Description	In Stock	Series	Type	Voltage - Max	Current - Max	Current - Hold (Ih) (Max)	Current - Trip (It)	Time to Trip	Resistance - Initial (Ri) (Min)	Resistance - Post Trip (R1) (Max)	Resistance - 25°C (Typ)	Operating Temperature	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)	Thickness (Max)	Lead Spacing
TSL250-080F-2	Littelfuse	PTC RESET FUSE 80V 80MA 2SMD	65,476	PolySwitch®, TS250	Polymeric	80V (250V Int)	3A	80mA	240mA	800ms	5 Ohms	20 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2-SMD	0.287" L x 0.199" W (7.30mm x 5.05mm)	-	0.146" (3.70mm)	-
RXEF040	Littelfuse	PTC RESET FUSE 72V 400MA RADIAL	103,080	PolySwitch®, RXEF	Polymeric	72V	40A	400mA	800mA	3.8s	550 mOhms	1.29 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.299" Dia x 0.118" T (7.60mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
TSV250-130F-2	Littelfuse	PTC RESET FUSE 60V 130MA 2SMD	960	PolySwitch®, TS250	Polymeric	60V (250V Int)	3A	130mA	260mA	2s	4 Ohms	12 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2-SMD	0.240" L x 0.272" W (6.10mm x 6.90mm)	-	0.126" (3.20mm)	-
RUEF135	Littelfuse	PTC RESET FUSE 30V 1.35A RADIAL	86,280	PolySwitch®, RUEF	Polymeric	30V	100A	1.35A	2.7A	7.3s	40 mOhms	130 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
RXEF075	Littelfuse	PTC RESET FUSE 72V 750MA RADIAL	87,480	PolySwitch®, RXEF	Polymeric	72V	40A	750mA	1.5A	6.3s	250 mOhms	600 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.402" Dia x 0.118" T (10.20mm x 3.00mm)	0.598" (15.20mm)	-	0.199" (5.05mm)
TRF600-150-2	Littelfuse	PTC RESET FUSE 250V 150MA RADIAL	480	PolySwitch®, TRF600	Polymeric	250V (600V Int)	3A	150mA	300mA	4s	6 Ohms	17 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.354" L x 0.181" W (9.00mm x 4.60mm)	0.492" (12.50mm)	-	0.197" (5.00mm)
RUEF250	Littelfuse	PTC RESET FUSE 30V 2.5A RADIAL	68,638	PolySwitch®, RUEF	Polymeric	30V	100A	2.5A	5A	10.3s	20 mOhms	70 mOhms	-	-	-	Through Hole	Radial, Disc	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.720" (18.30mm)	-	0.199" (5.05mm)
RXEF110	Littelfuse	PTC RESET FUSE 72V 1.1A RADIAL	55,170	PolySwitch®, RXEF	Polymeric	72V	40A	1.1A	2.2A	8.2s	150 mOhms	380 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.504" Dia x 0.118" T (12.80mm x 3.00mm)	0.689" (17.50mm)	-	0.200" (5.08mm)
RUEF300	Littelfuse	PTC RESET FUSE 30V 3A RADIAL	174,606	PolySwitch®, RUEF	Polymeric	30V	100A	3A	6A	10.8s	20 mOhms	80 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.449" L x 0.118" W (11.40mm x 3.00mm)	0.650" (16.50mm)	-	0.199" (5.05mm)
LVR005NS	Littelfuse	PTC RESET FUSE 240V 50MA RADIAL	140	PolySwitch®, LVR	Polymeric	240V (265V Int)	1A	50mA	120mA	10s	18.5 Ohms	65 Ohms	-	-20°C ~ 85°C	-	Through Hole	Radial, Disc	0.272" Dia x 0.181" T (6.90mm x 4.60mm)	0.390" (9.90mm)	-	0.200" (5.08mm)
RKEF250	Littelfuse	PTC RESET FUSE 60V 2.5A RADIAL	54,096	PolySwitch®, RKEF	Polymeric	60V	40A	2.5A	5A	15.6s	40 mOhms	140 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.512" L x 0.150" W (13.00mm x 3.81mm)	0.740" (18.80mm)	-	0.200" (5.08mm)
SRP120F	Littelfuse	PTC RESET FUSE 15V 1.2A STRAP	78,264	PolySwitch®, SRP	Polymeric	15V	100A	1.2A	2.7A	5s	85 mOhms	220 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.827" L x 0.199" W (21.00mm x 5.05mm)	-	0.039" (1.00mm)	-
LVR008NK	Littelfuse	PTC RESET FUSE 240V 80MA RADIAL	86,154	PolySwitch®, LVR	Polymeric	240V (265V Int)	1.2A	80mA	190mA	10s	7.4 Ohms	26 Ohms	-	-20°C ~ 85°C	-	Through Hole	Radial, Disc	0.283" Dia x 0.181" T (7.20mm x 4.60mm)	0.488" (12.40mm)	-	0.200" (5.08mm)
SRP175F	Littelfuse	PTC RESET FUSE 15V 1.75A STRAP	38,263	PolySwitch®, SRP	Polymeric	15V	100A	1.75A	3.8A	5s	50 mOhms	120 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.866" L x 0.199" W (22.00mm x 5.05mm)	-	0.039" (1.00mm)	-
RKEF300	Littelfuse	PTC RESET FUSE 60V 3A RADIAL	501	PolySwitch®, RKEF	Polymeric	60V	40A	3A	6A	19.8s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.650" L x 0.118" W (16.50mm x 3.00mm)	0.835" (21.20mm)	-	0.199" (5.05mm)
RXEF250	Littelfuse	PTC RESET FUSE 72V 2.5A RADIAL	13,560	PolySwitch®, RXEF	Polymeric	72V	40A	2.5A	5A	15.6s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.819" Dia x 0.118" T (20.80mm x 3.00mm)	1.000" (25.40mm)	-	0.400" (10.15mm)
0603L175SLYR	Littelfuse	PTC RESET FUSE 6V 1.75A 0603	149,322	POLY-FUSE®, LoRho	Polymeric	6V	50A	1.75A	3.5A	600ms	5 mOhms	60 mOhms	-	-40°C ~ 85°C	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.039" (1.00mm)	-
0603L100SLYR	Littelfuse	PTC RESET FUSE 6V 1A 0603	102,635	POLY-FUSE®, LoRho	Polymeric	6V	50A	1A	1.8A	300ms	40 mOhms	120 mOhms	-	-40°C ~ 85°C	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.030" (0.75mm)	-
0603L075SLYR	Littelfuse	PTC RESET FUSE 6V 750MA 0603	3,883	POLY-FUSE®, LoRho	Polymeric	6V	50A	750mA	1.5A	200ms	20 mOhms	165 mOhms	-	-40°C ~ 85°C	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.030" (0.75mm)	-
0805L110SLYR	Littelfuse	PTC RESET FUSE 6V 1.1A 0805	37,815	POLY-FUSE®, LoRho	Polymeric	6V	50A	1.1A	1.8A	300ms	30 mOhms	130 mOhms	-	-40°C ~ 85°C	-	Surface Mount	0805 (2012 Metric), Concave	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.030" (0.75mm)	-
0805L075SLYR	Littelfuse	PTC RESET FUSE 6V 750MA 0805	6,572	POLY-FUSE®, LoRho	Polymeric	6V	50A	750mA	1.5A	200ms	40 mOhms	160 mOhms	-	-40°C ~ 85°C	-	Surface Mount	0805 (2012 Metric), Concave	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.030" (0.75mm)	-
1206L075SLYR	Littelfuse	PTC RESET FUSE 6V 750MA 1206	75,227	POLY-FUSE®, LoRho	Polymeric	6V	50A	750mA	1.5A	300ms	17 mOhms	180 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1206 (3216 Metric), Concave	0.126" L x 0.065" W (3.20mm x 1.65mm)	-	0.030" (0.75mm)	-
1206L380SLTHYR	Littelfuse	PTC RESET FUSE 6V 2.82A 1206	264,817	POLY-FUSE®, LoRho	Polymeric	6V	50A	2.82A	8A	5s	2 mOhms	14 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1206 (3216 Metric), Concave	0.128" L x 0.065" W (3.25mm x 1.65mm)	-	0.028" (0.70mm)	-
0603L150SLYR	Littelfuse	PTC RESET FUSE 6V 1.5A 0603	18,150	POLY-FUSE®, LoRho	Polymeric	6V	50A	1.5A	3A	500ms	7 mOhms	80 mOhms	-	-40°C ~ 85°C	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.039" (1.00mm)	-
SRP200F	Littelfuse	PTC RESET FUSE 30V 2A STRAP	261	PolySwitch®, SRP	Polymeric	30V	100A	2A	4.4A	4s	30 mOhms	100 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.880" L x 0.417" W (22.35mm x 10.60mm)	-	0.043" (1.10mm)	-
SRP350F	Littelfuse	PTC RESET FUSE 30V 3.5A STRAP	256	PolySwitch®, SRP	Polymeric	30V	100A	3.5A	6.3A	3s	17 mOhms	50 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	1.185" L x 0.522" W (30.10mm x 13.25mm)	-	0.043" (1.10mm)	-
1812L035/30DR	Littelfuse	PTC RESET FUSE 30V 350MA 1812	17,520	POLY-FUSE®, 1812L	Polymeric	30V	40A	350mA	750mA	150ms	400 mOhms	1.7 Ohms	-	-40°C ~ 85°C	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.049" (1.25mm)	-
1812L200/12DR	Littelfuse	PTC RESET FUSE 12V 2A 1812	3,577	POLY-FUSE®, 1812L	Polymeric	12V	100A	2A	3.5A	2s	20 mOhms	70 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.047" (1.20mm)	-
2920L500/16MR	Littelfuse	PTC RESET FUSE 16V 5A 2920	46,409	POLY-FUSE®, 2920L	Polymeric	16V	40A	5A	10A	5s	5 mOhms	25 mOhms	-	-40°C ~ 85°C	-	Surface Mount	2920 (7351 Metric), Concave	0.289" L x 0.202" W (7.35mm x 5.12mm)	-	0.063" (1.60mm)	-
2920L400/15MR	Littelfuse	PTC RESET FUSE 15V 4A 2920	8,651	POLY-FUSE®, 2920L	Polymeric	15V	40A	4A	8A	4s	10 mOhms	40 mOhms	-	-40°C ~ 85°C	-	Surface Mount	2920 (7351 Metric), Concave	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.063" (1.60mm)	-

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