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
FRU185-30F

FRU185-30F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

600 -
RFQ
FRU185-30F

Datasheet

Radial, Disc FRU Bulk Active - 30V 1.85 A 3.7 A 100 A 8.7 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.201" (5.10mm)
FRX110-90F

FRX110-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

600 -
RFQ
FRX110-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia (13.00mm) 0.709" (18.00mm) - 0.201" (5.10mm)
FRG300-16F

FRG300-16F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

1,000 -
RFQ
FRG300-16F

Datasheet

Radial, Disc FRG Bulk Active - 16V 3 A 5.1 A 100 A 2 s 34 mOhms 105 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.118" W (7.10mm x 3.00mm) 0.433" (11.00mm) - 0.201" (5.10mm)
FRX135-90F

FRX135-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

400 -
RFQ
FRX135-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.571" Dia (14.50mm) 0.772" (19.60mm) - 0.201" (5.10mm)
FRV008-240F

FRV008-240F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

1,000 -
RFQ
FRV008-240F

Datasheet

Radial, Disc FRV Bulk Active - 240V (265V Int) 80 mA 190 mA 1.2 A 15 s 7.4 Ohms 26 Ohms - -40°C ~ 85°C - - - Through Hole 0.327" Dia (8.30mm) 0.421" (10.70mm) - 0.201" (5.10mm)
MPRV240V040

MPRV240V040

PTC RESET FUSE 240V 0.4A RADIAL

Meritek

1,000 -
RFQ
MPRV240V040

Datasheet

Radial, Disc MPRV Bulk Active Polymeric 240V 400 mA 900 mA 5.5 A 24 s 600 mOhms 1.9 Ohms - -40°C ~ 85°C - - - Through Hole 0.453" Dia x 0.150" T (11.50mm x 3.80mm) 0.768" (16.50mm) - 0.201" (5.10mm)
FRV005-240F

FRV005-240F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

1,000 -
RFQ
FRV005-240F

Datasheet

Radial, Disc FRV Bulk Active - 240V (265V Int) 50 mA 120 mA 1 A 15 s 18.5 Ohms 65 Ohms - -40°C ~ 85°C - - - Through Hole 0.327" Dia (8.30mm) 0.421" (10.70mm) - 0.201" (5.10mm)
FRX160-90F

FRX160-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

400 -
RFQ
FRX160-90F

Datasheet

Radial, Disc FRX60 Bulk Active - 72V (90V Int) 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia (16.30mm) 0.839" (21.30mm) - 0.201" (5.10mm)
MPTR30V500

MPTR30V500

PTC RESET FUSE 30V 5A RADIAL

Meritek

1,000 -
RFQ
MPTR30V500

Datasheet

Radial, Disc MPTR Bulk Active Polymeric 30V 5 A 10 A 100 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
FRG500-16F

FRG500-16F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

600 -
RFQ
FRG500-16F

Datasheet

Radial, Disc FRG Bulk Active - 16V 5 A 8.5 A 100 A 3.6 s 14 mOhms 44 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.563" (14.30mm) - 0.201" (5.10mm)
FRV016-240F

FRV016-240F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

1,000 -
RFQ
FRV016-240F

Datasheet

Radial, Disc FRV Bulk Active - 240V (265V Int) 160 mA 370 mA 2 A 15 s 2.5 Ohms 7.8 Ohms - -40°C ~ 85°C - - - Through Hole 0.390" Dia (9.90mm) 0.492" (12.50mm) - 0.201" (5.10mm)
FRX185-90F

FRX185-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

400 -
RFQ
FRX185-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia (17.80mm) 0.902" (22.90mm) - 0.201" (5.10mm)
FRG700-16F

FRG700-16F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

400 -
RFQ
FRG700-16F

Datasheet

Radial, Disc FRG Bulk Active - 16V 7 A 11.9 A 100 A 8 s 6 mOhms 21 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.776" (19.70mm) - 0.201" (5.10mm)
FSMD400-16-2920R

FSMD400-16-2920R

RESETTABLE FUSE - SMD, 2920 SIZE

RFE/Fuzetec

1,000 -
RFQ
FSMD400-16-2920R

Datasheet

2920 (7351 Metric), Concave FSMD2920 Tape & Reel (TR) Active - 16V 4 A 8 A 100 A 4 s 10 mOhms 40 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.059" (1.50mm) -
FRV033-240F

FRV033-240F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

400 -
RFQ
FRV033-240F

Datasheet

Radial, Disc FRV Bulk Active - 240V (265V Int) 330 mA 740 mA 4.5 A 21 s 830 mOhms 2.6 Ohms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.150" W (11.40mm x 3.80mm) 0.650" (16.50mm) - 0.201" (5.10mm)
FRX300-90F

FRX300-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

300 -
RFQ
FRX300-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.980" Dia (24.90mm) 1.181" (30.00mm) - 0.402" (10.20mm)
FRX375-90F

FRX375-90F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

300 -
RFQ
FRX375-90F

Datasheet

Radial, Disc FRX90 Bulk Active - 72V (90V Int) 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.122" Dia (28.50mm) 1.319" (33.50mm) - 0.402" (10.20mm)
FRV040-240F

FRV040-240F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

400 -
RFQ
FRV040-240F

Datasheet

Radial, Disc FRV Bulk Active - 240V (265V Int) 400 mA 900 mA 5.5 A 24 s 600 mOhms 1.9 Ohms - -40°C ~ 85°C - - - Through Hole 0.453" L x 0.150" W (11.50mm x 3.80mm) 0.768" (19.50mm) - 0.201" (5.10mm)
FRG1200-16F

FRG1200-16F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

300 -
RFQ
FRG1200-16F

Datasheet

Radial, Disc FRG Bulk Active - 16V 12 A 20.4 A 100 A 16 s 2 mOhms 9 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.142" W (17.50mm x 3.60mm) 1.102" (28.00mm) - 0.402" (10.20mm)
FRG1100-16F

FRG1100-16F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

300 -
RFQ
FRG1100-16F

Datasheet

Radial, Disc FRG Bulk Active - 16V 11 A 18.7 A 100 A 13.5 s 3 mOhms 10 mOhms - -40°C ~ 85°C - - - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.024" (26.00mm) - 0.201" (5.10mm)
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