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
MPTS1206L07516R

MPTS1206L07516R

PTC RESET FUSE 16V 0.75A 1206

Meritek

3,000 -
RFQ
MPTS1206L07516R

Datasheet

1206 (3216 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 16V 750 mA 1.5 A 100 A 200 ms 90 mOhms 290 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.049" (1.25mm) -
FSMD020-60-R

FSMD020-60-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD020-60-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 60V 200 mA 400 mA 100 A 20 ms 800 mOhms 5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.90mm) -
FSMD050-30-R

FSMD050-30-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD050-30-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 30V 500 mA 1 A 100 A 150 ms 150 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.030" (0.75mm) -
FSMD035-R

FSMD035-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD035-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 16V 350 mA 700 mA 100 A 100 ms 320 mOhms 1.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
FSMD125-R

FSMD125-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD125-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 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) - 0.022" (0.55mm) -
FSMD075-R

FSMD075-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD075-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 16V 750 mA 1.5 A 100 A 200 ms 110 mOhms 450 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.026" (0.65mm) -
FSMD110-R

FSMD110-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD110-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 8V 1.1 A 2.2 A 100 A 300 ms 40 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.022" (0.55mm) -
MPTS1812L16016R

MPTS1812L16016R

PTC RESET FUSE 16V 1.6A 1812

Meritek

4,000 -
RFQ
MPTS1812L16016R

Datasheet

1812 (4532 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 16V 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) -
FSMD035-0805-R

FSMD035-0805-R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

4,000 -
RFQ
FSMD035-0805-R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 6V 350 mA 750 mA 100 A 100 ms 250 mOhms 1.2 Ohms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.030" (0.75mm) -
FSMD010-0805-R

FSMD010-0805-R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

4,000 -
RFQ
FSMD010-0805-R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 15V 100 mA 300 mA 100 A 1.5 s 700 mOhms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.039" (1.00mm) -
MPTS1812L020R

MPTS1812L020R

PTC RESET FUSE 30V 0.2A 1812

Meritek

18,000 -
RFQ
MPTS1812L020R

Datasheet

1812 (4532 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 30V 200 mA 400 mA 100 A 20 ms 800 mOhms 5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.90mm) -
MPTS1812L110R

MPTS1812L110R

PTC RESET FUSE 8V 1.1A 1812

Meritek

4,000 -
RFQ
MPTS1812L110R

Datasheet

1812 (4532 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 8V 1.1 A 2.2 A 100 A 300 ms 40 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.90mm) -
MPTS1812L050

MPTS1812L050

PTC RESET FUSE 16V 0.5A 1812

Meritek

4,000 -
RFQ
MPTS1812L050

Datasheet

1812 (4532 Metric) MPTS Tape & Reel (TR) Active Polymeric 16V 500 mA 1 A 100 A 150 ms 150 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.030" (0.75mm) -
MPTS1812L26016R

MPTS1812L26016R

PTC RESET FUSE 16V 2.6A 1812

Meritek

4,500 -
RFQ
MPTS1812L26016R

Datasheet

1812 (4532 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 16V 2.6 A 5 A 100 A 5 s 20 mOhms 50 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.061" (1.55mm) -
FSMD110-16-R

FSMD110-16-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD110-16-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 16V 1.1 A 2.2 A 100 A 500 ms 60 mOhms 180 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.90mm) -
FSMD150-R

FSMD150-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD150-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 8V 1.5 A 3 A 100 A 500 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.022" (0.55mm) -
MPTS2920L075R

MPTS2920L075R

PTC RESET FUSE 33V 0.75A 2920

Meritek

2,000 -
RFQ
MPTS2920L075R

Datasheet

2920 (7351 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 33V 750 mA 1.5 A 100 A 300 ms 180 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.045" (1.15mm) -
FSMD020-1206-R

FSMD020-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

12,000 -
RFQ
FSMD020-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 30V 200 mA 400 mA 100 A 100 ms 600 mOhms 2.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
FSMD016-1206-R

FSMD016-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

12,000 -
RFQ
FSMD016-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 48V 160 mA 450 mA 100 A 300 ms 1.1 Ohms 5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
FSMD035-1206-R

FSMD035-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

12,000 -
RFQ
FSMD035-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 16V 350 mA 750 mA 100 A 100 ms 300 mOhms 1.2 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
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