Littelfuse PTC Resettable Fuses

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CategoryPower / Circuit Protection / PTC Resettable Fuses

ManufacturerLittelfuse Inc.

Records 1,697

Page 55/57

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
LR4-560F	Littelfuse	PTC RESET FUSE 20V 5.6A STRAP	2,538	PolySwitch®, LR4	Polymeric	20V	100A	5.6A	-	-	-	-	-	-	-	User Defined	Strap	0.984" L x 0.559" W (25.00mm x 14.20mm)	-	0.039" (1.00mm)	-
LR4-600-C100F	Littelfuse	PTC RESET FUSE 20V 6A STRAP	2,664	PolySwitch®, LR4	Polymeric	20V	100A	6A	11.7A	5s	-	-	-	-	-	User Defined	Strap	-	-	-	-
LR4-970H-C65F	Littelfuse	PTC RESET FUSE 20V 9.7A STRAP	8,370	PolySwitch®, LR4	Polymeric	20V	100A	9.7A	-	-	-	-	-	-	-	User Defined	Strap	-	-	-	-
MINISMDE190F-2	Littelfuse	PTC RESET FUSE 16V 1.9A 4520	21,859	PolySwitch®	Polymeric	16V	100A	1.9A	3.8A	2s	24 mOhms	-	-	-	-	Surface Mount	4520 (11350 Metric), Concave	0.446" L x 0.200" W (11.33mm x 5.08mm)	-	0.021" (0.53mm)	-
RTEF190S	Littelfuse	PTC RESET FUSE 33V 1.9A RADIAL	6,012	PolySwitch®	Polymeric	33V	40A	1.9A	3A	3.5s	45 mOhms	92 mOhms	-	-	-	Through Hole	Radial, Disc	0.350" L x 0.118" W (8.90mm x 3.00mm)	0.532" (13.50mm)	-	0.199" (5.05mm)
RUEF300-1	Littelfuse	PTC RESET FUSE 30V 3A RADIAL	8,082	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)
RUEF400K-0.138	Littelfuse	PTC RESET FUSE 30V 4A RADIAL	8,802	PolySwitch®, RUEF	Polymeric	30V	100A	4A	8A	12.7s	10 mOhms	50 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.551" L x 0.118" W (14.00mm x 3.00mm)	0.839" (21.30mm)	-	0.199" (5.05mm)
RUSBF075-1	Littelfuse	PTC RESET FUSE 6V 750MA RADIAL	5,220	PolySwitch®, RUSBF	Polymeric	6V	40A	750mA	1.3A	400ms	110 mOhms	230 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.272" Dia x 0.122" T (6.90mm x 3.10mm)	0.449" (11.40mm)	-	0.201" (5.10mm)
RXEF050S-0.236	Littelfuse	PTC RESET FUSE 72V 500MA RADIAL	3,978	PolySwitch®, RXEF	Polymeric	72V	40A	500mA	1A	4s	500 mOhms	1.17 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.311" Dia x 0.118" T (7.90mm x 3.00mm)	0.539" (13.70mm)	-	0.199" (5.05mm)
RXEF375-0.476	Littelfuse	PTC RESET FUSE 72V 3.75A RADIAL	6,588	PolySwitch®, RXEF	Polymeric	72V	40A	3.75A	7.5A	24s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	1.071" Dia x 0.118" T (27.20mm x 3.00mm)	1.252" (31.80mm)	-	0.400" (10.15mm)
RXEF375K-0.144	Littelfuse	PTC RESET FUSE 72V 3.75A RADIAL	8,784	PolySwitch®, RXEF	Polymeric	72V	40A	3.75A	7.5A	24s	30 mOhms	80 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	1.071" Dia x 0.118" T (27.20mm x 3.00mm)	1.252" (31.80mm)	-	0.400" (10.15mm)
TRF250-080U-2	Littelfuse	PTC RESET FUSE 60V 80MA RADIAL	6,012	PolySwitch®, TRF250	Polymeric	60V (250V Int)	3A	80mA	160mA	4s	14 Ohms	33 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.189" Dia x 0.150" T (4.80mm x 3.80mm)	0.366" (9.30mm)	-	0.197" (5.00mm)
TS600-200-RA-B-0.5-2	Littelfuse	PTC RESET FUSE 60V 200MA 2SMD	4,482	PolySwitch®, TS600	Polymeric	60V (600V Int)	3A	200mA	400mA	12s	4 Ohms	13.5 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2-SMD	0.742" L x 0.297" W (18.85mm x 7.55mm)	-	0.484" (12.30mm)	-
VLP190UF	Littelfuse	PTC RESET FUSE 16V 1.9A STRAP	5,238	PolySwitch®, VLP	Polymeric	16V	60A	1.9A	4.7A	5s	21 mOhms	72 mOhms	-	-	-	User Defined	Strap	1.004" L x 0.906" W (25.50mm x 23.00mm)	-	0.276" (7.00mm)	-
VLP210ULF	Littelfuse	PTC RESET FUSE 16V 2.1A STRAP	2,556	PolySwitch®, VLP	Polymeric	16V	60A	2.1A	5A	5s	18 mOhms	60 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.689" L x 0.287" W (17.50mm x 7.30mm)	-	0.032" (0.80mm)	-
VLP210XF	Littelfuse	PTC RESET FUSE 16V 2.1A STRAP	2,916	PolySwitch®, VLP	Polymeric	16V	60A	2.1A	5A	5s	18 mOhms	60 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.689" L x 0.287" W (17.50mm x 7.30mm)	-	0.032" (0.80mm)	-
VLP220SLF	Littelfuse	PTC RESET FUSE 16V 2.2A STRAP	8,082	PolySwitch®, VLP	Polymeric	16V	60A	2.2A	5.3A	5s	17 mOhms	58 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.917" L x 0.154" W (23.30mm x 3.90mm)	-	0.032" (0.80mm)	-
VLP220UF	Littelfuse	PTC RESET FUSE 16V 2.2A STRAP	2,016	PolySwitch®, VLP	Polymeric	16V	60A	2.2A	5.3A	5s	17 mOhms	58 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.917" L x 0.154" W (23.30mm x 3.90mm)	-	-	-
VLP220ULF	Littelfuse	PTC RESET FUSE 16V 2.2A STRAP	8,334	PolySwitch®, VLP	Polymeric	16V	60A	2.2A	5.3A	5s	17 mOhms	58 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.917" L x 0.154" W (23.30mm x 3.90mm)	-	0.032" (0.80mm)	-
VLP270DF	Littelfuse	PTC RESET FUSE 16V 2.7A STRAP	5,328	PolySwitch®, VLP	Polymeric	16V	60A	2.7A	6.5A	5s	12 mOhms	36 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.866" L x 0.201" W (22.00mm x 5.10mm)	-	0.032" (0.80mm)	-
VLP270SLNF	Littelfuse	PTC RESET FUSE 16V 2.7A STRAP	6,750	PolySwitch®, VLP	Polymeric	16V	60A	2.7A	6.5A	5s	12 mOhms	36 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.866" L x 0.201" W (22.00mm x 5.10mm)	-	0.032" (0.80mm)	-
VLR150ULAF	Littelfuse	PTC RESET FUSE 12V 1.5A STRAP	8,118	PolySwitch®, VLR	Polymeric	12V	100A	1.5A	-	5s	-	-	-	-	-	User Defined	Strap	-	-	-	-
VLR170DUAF	Littelfuse	PTC RESET FUSE 12V 1.7A STRAP	3,726	PolySwitch®, VLR	Polymeric	12V	100A	1.7A	4.1A	5s	18 mOhms	64 mOhms	-	-	-	User Defined	Strap	-	-	-	-
VLR170LF	Littelfuse	PTC RESET FUSE 12V 1.7A STRAP	4,716	PolySwitch®, VLR	Polymeric	12V	100A	1.7A	4.1A	5s	18 mOhms	64 mOhms	-	-40°C ~ 70°C	-	User Defined	Strap	0.866" L x 0.146" W (22.00mm x 3.70mm)	-	-	-
VLR175LUF	Littelfuse	PTC RESET FUSE 12V 1.75A STRAP	8,568	PolySwitch®	Polymeric	12V	100A	1.75A	4.2A	5s	17 mOhms	62 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	1.201" L x 0.122" W (30.50mm x 3.10mm)	-	0.032" (0.80mm)	-
VLR230-C36F	Littelfuse	PTC RESET FUSE 12V 2.3A STRAP	6,966	PolySwitch®, VLR	Polymeric	12V	100A	2.3A	5A	5s	12 mOhms	36 mOhms	-	-40°C ~ 70°C	-	User Defined	Strap	0.866" L x 0.201" W (22.00mm x 5.10mm)	-	0.032" (0.80mm)	-
VLR230SF	Littelfuse	PTC RESET FUSE 12V 2.3A STRAP	7,470	PolySwitch®, VLR	Polymeric	12V	100A	2.3A	5A	5s	12 mOhms	36 mOhms	-	-40°C ~ 70°C	-	User Defined	Strap	0.866" L x 0.201" W (22.00mm x 5.10mm)	-	0.032" (0.80mm)	-
VTP140SLUF	Littelfuse	PTC RESET FUSE 16V 1.4A STRAP	8,442	PolySwitch®, VTP	Polymeric	16V	100A	1.4A	-	5s	-	-	-	-	-	User Defined	Strap	-	-	-	-
VTP145SUF	Littelfuse	PTC RESET FUSE 16V 1.45A STRAP	3,420	PolySwitch®, VTP	Polymeric	16V	100A	1.45A	3.1A	5s	30 mOhms	105 mOhms	-	-	-	User Defined	Strap	0.811" L x 0.197" W (20.60mm x 5.00mm)	-	0.028" (0.70mm)	-
VTP145ULF	Littelfuse	PTC RESET FUSE 16V 1.45A STRAP	3,204	PolySwitch®, VTP	Polymeric	16V	100A	1.45A	-	5s	-	-	-	-	-	User Defined	Strap	0.811" L x 0.197" W (20.60mm x 5.00mm)	-	0.028" (0.70mm)	-

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