PTC Resettable Fuses

Manufacturer 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

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PTC Resettable Fuses

PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.

This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.

TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

Photo 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
MF-RHS600-0

MF-RHS600-0

FUSE PTC RESET 6.0A 16V

Bourns Inc.

484 -
RFQ
MF-RHS600-0

Datasheet

Radial, Disc Multifuse®, MF-RHS Bulk Active Polymeric 16V 6 A 12 A 100 A 6.5 s 0.009 Ohms 0.0252 Ohms - -40°C ~ 125°C - - - Through Hole 0.344" L x 0.118" W (8.75mm x 3.00mm) 0.882" (22.40mm) - 0.201" (5.10mm)
2920L600/16MR-A

2920L600/16MR-A

PTC 16V POLYFUSE SMT 2920 6.0A

Littelfuse Inc.

1,212 -
RFQ
2920L600/16MR-A

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 16V 6 A 12 A 40 A 2 s 4 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
MF-RHS650-0

MF-RHS650-0

FUSE PTC RESET 6.5A 16V

Bourns Inc.

500 -
RFQ
MF-RHS650-0

Datasheet

Radial, Disc Multifuse®, MF-RHS Bulk Active Polymeric 16V 6.5 A 13 A 100 A 6.5 s 0.0095 Ohms 0.0225 Ohms - -40°C ~ 125°C - - - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.913" (23.20mm) - 0.201" (5.10mm)
PTR016V0800-TR

PTR016V0800-TR

PTC RESET FUSE 16V 8A RADIAL

Eaton - Electronics Division

1,000 -
RFQ
PTR016V0800-TR

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 8 A 13.6 A 100 A 5 s 5 mOhms 18 mOhms - -40°C ~ 85°C - - - Through Hole 0.500" L x 0.122" W (12.70mm x 3.10mm) 0.823" (20.90mm) - 0.197" (5.00mm)
MF-LSMF185/24X-2

MF-LSMF185/24X-2

2920 RESETTABLE SMD PPTC 1.85/24

Bourns Inc.

281 -
RFQ
MF-LSMF185/24X-2

Datasheet

2920 (7351 Metric), Concave Multifuse®, MF-LSMF Tape & Reel (TR) Active Polymeric 24V 1.85 A - - - - - - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - - -
FSMD160-24R

FSMD160-24R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

680 -
RFQ
FSMD160-24R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 24V 1.6 A 3.2 A 100 A 1 s 30 mOhms 100 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.047" (1.20mm) -
FRX020-90F

FRX020-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

950 -
RFQ
FRX020-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia (7.40mm) 0.500" (12.70mm) - 0.201" (5.10mm)
FRX030-90F

FRX030-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

950 -
RFQ
FRX030-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 300 mA 600 mA 40 A 3 s 880 mOhms 2.1 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia (7.40mm) 0.500" (12.70mm) - 0.201" (5.10mm)
FRX040-90F

FRX040-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

580 -
RFQ
FRX040-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 400 mA 800 mA 40 A 3.8 s 550 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.299" Dia (7.60mm) 0.531" (13.50mm) - 0.201" (5.10mm)
FRX025-90F

FRX025-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

420 -
RFQ
FRX025-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 250 mA 500 mA 40 A 2.5 s 1.25 Ohms 3 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia (7.40mm) 0.500" (12.70mm) - 0.201" (5.10mm)
FRG250-16F

FRG250-16F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

960 -
RFQ
FRG250-16F

Datasheet

Radial, Disc FRG Bulk Active - 16V 2.5 A 4.7 A 100 A 5 s 22 mOhms 53 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.504" (12.80mm) - 0.201" (5.10mm)
PTS18126V125

PTS18126V125

PTC RESET FUSE 6V 1.25A 1812

Eaton - Electronics Division

792 -
RFQ
PTS18126V125

Datasheet

1812 (4532 Metric), Concave PTS1812 Tape & Reel (TR) Active Polymeric 6V 1.25 A 2.5 A 100 A 400 ms 50 mOhms 140 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.027" (0.68mm) -
FRU135-30F

FRU135-30F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

990 -
RFQ
FRU135-30F

Datasheet

Radial, Disc FRU Bulk Active - 30V 1.35 A 2.7 A 100 A 7.3 s 40 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.531" (13.50mm) - 0.201" (5.10mm)
FRU110-30F

FRU110-30F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

380 -
RFQ
FRU110-30F

Datasheet

Radial, Disc FRU Bulk Active - 30V 1.1 A 2.2 A 100 A 6.6 s 50 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.201" (5.10mm)
FRX050-90F

FRX050-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

830 -
RFQ
FRX050-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - -40°C ~ 85°C - - - Through Hole 0.311" Dia (7.90mm) 0.539" (13.70mm) - 0.201" (5.10mm)
FRX075-90F

FRX075-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

550 -
RFQ
FRX075-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 750 mA 1.5 A 40 A 6.3 s 250 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" Dia (10.40mm) 0.598" (15.20mm) - 0.201" (5.10mm)
FRX090-90F

FRX090-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

550 -
RFQ
FRX090-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 900 mA 1.8 A 40 A 7.2 s 200 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.461" Dia (11.70mm) 0.622" (15.80mm) - 0.201" (5.10mm)
FRX017-60F

FRX017-60F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

990 -
RFQ
FRX017-60F

Datasheet

Radial, Disc FRX60 Bulk Active - 60V 170 mA 340 mA 40 A 3 s 2 Ohms 8 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia (7.40mm) 0.500" (12.70mm) - 0.201" (5.10mm)
FRX010-60F

FRX010-60F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

951 -
RFQ
FRX010-60F

Datasheet

Radial, Disc FRX60 Bulk Active - 60V 100 mA 200 mA 40 A 4 s 2.5 Ohms 7.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia (7.40mm) 0.500" (12.70mm) - 0.201" (5.10mm)
FRX005-60F

FRX005-60F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

840 -
RFQ
FRX005-60F

Datasheet

Radial, Disc FRX60 Bulk Active - 60V 50 mA 100 mA 40 A 5 s 7.3 Ohms 20 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia (7.40mm) 0.500" (12.70mm) - 0.201" (5.10mm)
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