Littelfuse PTC Resettable Fuses

Series

Reset

Type

Reset

Voltage - Max

Reset

Current - Max

Reset

Current - Hold (Ih) (Max)

Reset

Current - Trip (It)

Reset

Time to Trip

Reset

Resistance - Initial (Ri) (Min)

Reset

Resistance - Post Trip (R1) (Max)

Reset

Resistance - 25°C (Typ)

Reset

Operating Temperature

Reset

Ratings

Reset

Mounting Type

Reset

Package / Case

Reset

Size / Dimension

Reset

Height - Seated (Max)

Reset

Thickness (Max)

Reset

Lead Spacing

Reset

Show Filters

Reset Filters

Apply Filters

CategoryPower / Circuit Protection / PTC Resettable Fuses

ManufacturerLittelfuse Inc.

Records 1,697

Page 35/57

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
AHRF600-2	Littelfuse	PTC RESET FUSE 16V 6A RADIAL	2,106	PolySwitch®, AHRF	Polymeric	16V	100A	6A	12A	6.5s	10 mOhms	32 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.441" L x 0.118" W (11.20mm x 3.00mm)	0.827" (21.00mm)	-	0.200" (5.08mm)
20LR450SU	Littelfuse	PTC RESET FUSE 20V 4.5A STRAP	6,480	POLY-FUSE®, LR	Polymeric	20V	100A	4.5A	8.9A	5s	11 mOhms	28 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.402" W (25.00mm x 10.20mm)	-	0.039" (1.00mm)	-
15LR380SU	Littelfuse	PTC RESET FUSE 15V 3.8A STRAP	6,066	POLY-FUSE®, LR	Polymeric	15V	100A	3.8A	8.3A	5s	13 mOhms	37 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.283" W (25.00mm x 7.20mm)	-	0.039" (1.00mm)	-
15LR380U	Littelfuse	PTC RESET FUSE 15V 3.8A STRAP	2,268	POLY-FUSE®, LR	Polymeric	15V	100A	3.8A	8.3A	5s	13 mOhms	37 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.283" W (25.00mm x 7.20mm)	-	0.039" (1.00mm)	-
20LR450U	Littelfuse	PTC RESET FUSE 20V 4.5A STRAP	7,200	POLY-FUSE®, LR	Polymeric	20V	100A	4.5A	8.9A	5s	11 mOhms	28 mOhms	-	-40°C ~ 85°C	-	User Defined	Strap	0.984" L x 0.402" W (25.00mm x 10.20mm)	-	0.039" (1.00mm)	-
250R080TZR	Littelfuse	PTC RESET FUSE 60V 80MA RADIAL	7,740	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	80mA	160mA	4s	15 Ohms	33 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.228" Dia x 0.181" T (5.80mm x 4.60mm)	0.390" (9.90mm)	-	0.201" (5.10mm)
250R120-R1ZR	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	3,598	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	120mA	240mA	2.5s	6 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R120-R3ZR	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	7,830	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	120mA	240mA	2.5s	8 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R120TZR	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	3,096	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	120mA	240mA	2.5s	7 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R120ZR	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	3,852	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	120mA	240mA	2.5s	4 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R120-RFZR	Littelfuse	PTC RESET FUSE 60V 120MA RADIAL	4,392	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	120mA	240mA	2.5s	6 Ohms	16 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R145-RAZR	Littelfuse	PTC RESET FUSE 60V 145MA RADIAL	2,736	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	145mA	290mA	2.5s	3 Ohms	12 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R145-RBZR	Littelfuse	PTC RESET FUSE 60V 145MA RADIAL	8,136	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	145mA	290mA	2.5s	4.5 Ohms	14 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
250R180MR	Littelfuse	PTC RESET FUSE 60V 180MA RADIAL	6,408	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	10A	180mA	650mA	20s	800 mOhms	4 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.374" Dia x 0.181" T (9.50mm x 4.60mm)	0.472" (12.00mm)	-	0.201" (5.10mm)
250R145TZR	Littelfuse	PTC RESET FUSE 60V 145MA RADIAL	6,480	POLY-FUSE®, 250R	Polymeric	60V (250V Int)	3A	145mA	290mA	2.5s	5.4 Ohms	14 Ohms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.256" L x 0.181" W (6.50mm x 4.60mm)	0.433" (11.00mm)	-	0.201" (5.10mm)
72R250XMR	Littelfuse	PTC RESET FUSE 72V 2.5A RADIAL	3,672	POLY-FUSE®, 72R	Polymeric	72V	40A	2.5A	5A	15.6s	50 mOhms	130 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.785" Dia x 0.122" T (19.93mm x 3.10mm)	1.032" (26.20mm)	-	0.402" (10.20mm)
RGEF900-2	Littelfuse	PTC RESET FUSE 16V 9A RADIAL	6,192	PolySwitch®, RGEF	Polymeric	16V	100A	9A	15.3A	5.5s	4.7 mOhms	13.5 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.532" L x 0.100" W (13.50mm x 2.50mm)	0.854" (21.70mm)	-	0.199" (5.05mm)
PSR-20411F-1	Littelfuse	PSR-20411F-1	2,232	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RUEF700K-2	Littelfuse	PTC RESET FUSE 30V 7A RADIAL	2,281	PolySwitch®, RUEF	Polymeric	30V	100A	7A	14A	17.5s	5 mOhms	30 mOhms	-	-40°C ~ 85°C	-	Through Hole	Radial, Disc	0.752" L x 0.118" W (19.10mm x 3.00mm)	1.091" (27.70mm)	-	0.400" (10.15mm)
1206L110/12WR	Littelfuse	PTC RESET FUSE 12V 1.1A 1206	4,680	POLY-FUSE®, 1206L	Polymeric	12V	100A	1.1A	2.2A	100ms	4 mOhms	21 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)	-
1206L110/16WR	Littelfuse	PTC RESET FUSE 16V 1.1A 1206	5,418	POLY-FUSE®, 1206L	Polymeric	16V	100A	1.1A	2.2A	100ms	4 mOhms	21 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)	-
1210L150/12WR	Littelfuse	PTC RESET FUSE 12V 1.5A 1210	8,982	POLY-FUSE®, 1210L	Polymeric	12V	100A	1.5A	3A	300ms	40 mOhms	110 mOhms	-	-40°C ~ 85°C	-	Surface Mount	1210 (3225 Metric), Concave	0.127" L x 0.102" W (3.22mm x 2.58mm)	-	0.042" (1.07mm)	-
1210L035/30WR	Littelfuse	PTC 30V POLYFUSE SURF MOUNT 1210	7,398	*	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
1210L050/30WR	Littelfuse	PTC 30V POLYFUSE SURF MOUNT 1210	3,006	*	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
AGRF600	Littelfuse	PTC RESET FUSE 16V 6A RADIAL	6,912	PolySwitch®, AGRF	Polymeric	16V	100A	6A	10.7A	3.5s	9.5 mOhms	28 mOhms	-	-40°C ~ 85°C	AEC-Q200	Through Hole	Radial, Disc	0.421" L x 0.118" W (10.70mm x 3.00mm)	0.724" (18.40mm)	-	0.199" (5.05mm)
AHRF400	Littelfuse	PTC RESET FUSE 16V 4A RADIAL	3,492	PolySwitch®, AHRF	Polymeric	16V	100A	4A	7.4A	5s	21 mOhms	60 mOhms	-	-40°C ~ 125°C	AEC-Q200	Through Hole	Radial, Disc	0.394" L x 0.118" W (10.00mm x 3.00mm)	0.591" (15.00mm)	-	0.199" (5.05mm)
16VT270U	Littelfuse	PTC RESET FUSE 16V 2.7A STRAP	3,436	POLY-FUSE®, VT	Polymeric	16V	100A	2.7A	-	-	-	-	-	-	-	User Defined	Strap	-	-	-	-
TS250-130F-RB-2	Littelfuse	PTC RESET FUSE 60V 130MA 2SMD	2	PolySwitch®, TS250	Polymeric	60V (600V Int)	1A	130mA	260mA	1.5s	9 Ohms	20 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2-SMD	0.352" L x 0.291" W (8.95mm x 7.40mm)	-	0.134" (3.40mm)	-
250S130-RBDR	Littelfuse	PTC RESET FUSE 60V 130MA 2SMD	5,418	POLY-FUSE®, 250S	Polymeric	60V (250V Int)	3A	130mA	260mA	700ms	9 Ohms	20 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2-SMD	0.370" L x 0.291" W (9.40mm x 7.40mm)	-	0.146" (3.70mm)	-
250S130-RCDR	Littelfuse	PTC RESET FUSE 60V 130MA 2SMD	2,444	POLY-FUSE®, 250S	Polymeric	60V (250V Int)	3A	130mA	260mA	1.1s	7 Ohms	17 Ohms	-	-40°C ~ 85°C	-	Surface Mount	2-SMD	0.370" L x 0.291" W (9.40mm x 7.40mm)	-	0.146" (3.70mm)	-

«
‹
1
...
32
33
34
35 (current)
36
37
38
...
57
›
»

Send Message

Certifications

Littelfuse PTC Resettable Fuses

Resources

Support

Social Media

Need Help?
Send Message