Littelfuse PTC Resettable Fuses

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CategoryPower / Circuit Protection / PTC Resettable Fuses

ManufacturerLittelfuse Inc.

Records 1,697

Page 18/57

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
TRF250-120UA	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	19,452	PolySwitch®, TRF250	Polymeric	60V (250V Int)	3A	120mA	240mA	1s	6 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.236" L x 0.150" W (6.00mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
RGEF600K-AP	Littelfuse	PTC RESET FUSE 16V 6A RADIAL	43,760	PolySwitch®, RGEF	Polymeric	16V	100A	6A	10.2A	3.3s	10 mOhms	28 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.421" L x 0.098" W (10.70mm x 2.50mm)	0.709" (18.00mm)	-	0.199" (5.05mm)
16R500GPR	Littelfuse	PTC RESET FUSE 16V 5A RADIAL	13,979	POLY-FUSE®, 16R	Polymeric	16V	100A	5A	8.5A	2s	15 mOhms	34 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.563" (14.30mm)	-	0.201" (5.10mm)
RGEF600-2	Littelfuse	PTC RESET FUSE 16V 6A RADIAL	6,966	PolySwitch®, RGEF	Polymeric	16V	100A	6A	10.2A	3.3s	10 mOhms	28 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.402" L x 0.098" W (10.20mm x 2.50mm)	0.673" (17.10mm)	-	0.199" (5.05mm)
AGRF400-2	Littelfuse	PTC RESET FUSE 16V 4A RADIAL	8,766	PolySwitch®, AGRF	Polymeric	16V	100A	4A	7.6A	2s	18.6 mOhms	61 mOhms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.555" (14.10mm)	-	0.199" (5.05mm)
TCF250-120T-B-0.5	Littelfuse	PTC RESET FUSE 60V 120MA SMD	20,772	PolySwitch®, TCF250	Polymeric	60V (250V Int)	3A	120mA	240mA	600ms	6.3 Ohms	18 Ohms	-	-40°C ~ 85°C	-	Surface Mount	Nonstandard SMD	0.217" L x 0.217" W (5.50mm x 5.50mm)	-	0.091" (2.30mm)	-
LVR012K-2	Littelfuse	PTC RESET FUSE 240V 120MA RADIAL	3,508	PolySwitch®, LVR	Polymeric	240V (265V Int)	1.2A	120mA	300mA	15s	3 Ohms	12 Ohms	-	-20°C ~ 85°C	-	Through Hole	Radial, Disc	0.327" Dia x 0.150" T (8.30mm x 3.80mm)	0.508" (12.90mm)	-	0.200" (5.08mm)
TRF250-145USTP-B-0.5	Littelfuse	PTC RESET FUSE 60V 145MA RADIAL	20,022	PolySwitch®, TRF250	Polymeric	60V (250V Int)	3A	145mA	290mA	2s	3.5 Ohms	14 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.236" L x 0.150" W (6.00mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
TRF250-120-B-0.5	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	19,896	PolySwitch®, TRF250	Polymeric	60V (250V Int)	3A	120mA	240mA	2.5s	4 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.236" L x 0.150" W (6.00mm x 3.80mm)	0.394" (10.00mm)	-	0.197" (5.00mm)
RXEF250-2	Littelfuse	PTC RESET FUSE 72V 2.5A RADIAL	13,548	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)
RGEF800K	Littelfuse	PTC RESET FUSE 16V 8A RADIAL	16,404	PolySwitch®, RGEF	Polymeric	16V	100A	8A	13.6A	5s	5.6 mOhms	17.5 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.480" L x 0.098" W (12.20mm x 2.50mm)	0.823" (20.90mm)	-	0.199" (5.05mm)
NANOSMD450LR-2	Littelfuse	PTC RESET FUSE 6V 4.5A 1206	8,370	PolySwitch®, microSMD	Polymeric	6V	50A	4.5A	9A	2s	2 mOhms	8 mOhms	-	-40°C ~ 80°C	-	Surface Mount	1206 (3216 Metric)	0.127" L x 0.063" W (3.22mm x 1.61mm)	-	0.032" (0.80mm)	-
NANOSMD380LR-2	Littelfuse	PTC RESET FUSE 6V 3.8A 1206	7,812	PolySwitch®, microSMD	Polymeric	6V	50A	3.8A	8A	10s	4 mOhms	14 mOhms	-	-40°C ~ 80°C	-	Surface Mount	1206 (3216 Metric)	0.127" L x 0.063" W (3.22mm x 1.61mm)	-	0.039" (1.00mm)	-
FEMTOSMDC012F-2	Littelfuse	PTC RESET FUSE 9V 120MA 0603	2,574	PolySwitch®, femtoSMDC	Polymeric	9V	40A	120mA	300mA	100ms	1.1 Ohms	5.8 Ohms	-	-	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.030" (0.75mm)	-
FEMTOSMDC008F-2	Littelfuse	PTC RESET FUSE 12V 80MA 0603	2,433	PolySwitch®, femtoSMDC	Polymeric	12V	40A	80mA	200mA	100ms	2.8 Ohms	14 Ohms	-	-	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.033" (0.85mm)	-
FEMTOSMDC020F-2	Littelfuse	PTC RESET FUSE 9V 200MA 0603	4,428	PolySwitch®, femtoSMDC	Polymeric	9V	40A	200mA	450mA	100ms	700 mOhms	3 Ohms	-	-	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.030" (0.75mm)	-
SMDC125F/33-2	Littelfuse	PTC RESET FUSE 33V 1.25A 2920	7,524	SMDC	Polymeric	33V	40A	1.25A	2.5A	2s	-	-	-	-	-	Surface Mount	2920 (7351 Metric), Concave	0.295" L x 0.201" W (7.50mm x 5.10mm)	-	0.028" (0.71mm)	-
MINISMDC200F/16-2	Littelfuse	MINISMDC200F/16-2	6,937	PolySwitch®, miniSMD	Polymeric	16V	40A	2A	4A	5s	20 mOhms	85 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1812 (4532 Metric), Concave	0.179" L x 0.128" W (4.55mm x 3.24mm)	-	0.048" (1.22mm)	-
FEMTOSMDC005F-2	Littelfuse	PTC RESET FUSE 15V 50MA 0603	459	PolySwitch®, femtoSMD	Polymeric	15V	40A	50mA	150mA	100ms	3.8 Ohms	30 Ohms	-	-40°C ~ 85°C	-	Surface Mount	0603 (1608 Metric), Concave	0.063" L x 0.032" W (1.60mm x 0.80mm)	-	0.033" (0.85mm)	-
ASMDC030F-2	Littelfuse	PTC RESET FUSE 60V 300MA 2SMD	5,274	PolySwitch®, ASMD	Polymeric	60V	10A	300mA	600mA	3s	300 mOhms	3.4 Ohms	-	-	PS300, PS400	Surface Mount	2-SMD	0.295" L x 0.201" W (7.50mm x 5.10mm)	-	0.035" (0.90mm)	-
0805L035YR	Littelfuse	PTC RESET FUSE 6V 350MA 0805	22,326	POLY-FUSE®, 0805L	Polymeric	6V	100A	350mA	750mA	100ms	250 mOhms	1.2 Ohms	-	-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)	-
0805L020YR	Littelfuse	PTC RESET FUSE 9V 200MA 0805	8,910	POLY-FUSE®, 0805L	Polymeric	9V	100A	200mA	500mA	20ms	650 mOhms	3.5 Ohms	-	-40°C ~ 85°C	-	Surface Mount	0805 (2012 Metric), Concave	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.039" (1.00mm)	-
0805L010YR	Littelfuse	PTC RESET FUSE 15V 100MA 0805	6,534	POLY-FUSE®, 0805L	Polymeric	15V	100A	100mA	300mA	1.5s	1 Ohms	6 Ohms	-	-40°C ~ 85°C	-	Surface Mount	0805 (2012 Metric), Concave	0.083" L x 0.053" W (2.10mm x 1.35mm)	-	0.039" (1.00mm)	-
ASMD030F-2	Littelfuse	PTC RESET FUSE 60V 230MA 2SMD	13,501	PolySwitch®, ASMD	Polymeric	60V	10A	230mA	590mA	12s	980 mOhms	4.8 Ohms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	2-SMD	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.125" (3.18mm)	-
ASMDC050F-2	Littelfuse	PTC RESET FUSE 60V 500MA 2SMD	5,238	PolySwitch®, ASMD	Polymeric	60V	10A	500mA	1A	4s	150 mOhms	1.2 Ohms	-	-	PS300, PS400	Surface Mount	2-SMD	0.295" L x 0.201" W (7.50mm x 5.10mm)	-	0.035" (0.90mm)	-
ASMD100F-2	Littelfuse	PTC RESET FUSE 30V 900MA 2SMD	1,067	PolySwitch®, ASMD	Polymeric	30V	40A	900mA	2.16A	20s	98 mOhms	480 mOhms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	2-SMD	0.287" L x 0.201" W (7.30mm x 5.10mm)	-	0.118" (3.00mm)	-
RHEF450-2	Littelfuse	PTC RESET FUSE 16V 4.5A RADIAL	7,416	PolySwitch®, RHEF	Polymeric	16V	100A	4.5A	7.8A	3s	22 mOhms	54 mOhms	-	-40°C ~ 125°C	-	Through Hole	Radial, Disc	0.409" L x 0.118" W (10.40mm x 3.00mm)	0.614" (15.60mm)	-	0.199" (5.05mm)
RUEF500K-2	Littelfuse	PTC RESET FUSE 30V 5A RADIAL	4,518	PolySwitch®, RUEF	Polymeric	30V	100A	5A	10A	14.5s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.551" L x 0.118" W (14.00mm x 3.00mm)	1.008" (25.60mm)	-	0.400" (10.15mm)
ASMD075F-2	Littelfuse	PTC RESET FUSE 30V 600MA 2SMD	3,312	PolySwitch®, ASMD	Polymeric	30V	40A	600mA	1.48A	20s	290 mOhms	1 Ohms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	2-SMD	0.290" L x 0.202" W (7.36mm x 5.12mm)	-	0.125" (3.18mm)	-
MINIASMDC150F/24-2	Littelfuse	PTC RESET FUSE 24V 1.5A 1812	2,437	PolySwitch®, miniASMD	Polymeric	24V	20A	1.5A	3A	1.5s	40 mOhms	120 mOhms	-	-40°C ~ 85°C	AEC-Q200	Surface Mount	1812 (4532 Metric), Concave	0.181" L x 0.128" W (4.60mm x 3.24mm)	-	0.076" (1.94mm)	-

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