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
FSMD012-1206-R

FSMD012-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

12,000 -
RFQ
FSMD012-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 48V 120 mA 390 mA 100 A 200 ms 1.4 Ohms 6.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.033" (0.85mm) -
FSMD050-0805R

FSMD050-0805R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

12,000 -
RFQ
FSMD050-0805R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 6V 500 mA 1 A 100 A 100 ms 150 mOhms 850 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.049" (1.25mm) -
FSMD005-1206-R

FSMD005-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

12,000 -
RFQ
FSMD005-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 60V 50 mA 150 mA 100 A 1.5 s 3.6 Ohms 50 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.033" (0.85mm) -
FSMD110-1206R

FSMD110-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

3,000 -
RFQ
FSMD110-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 8V 1.1 A 2.2 A 100 A 300 ms 40 mOhms 180 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.039" (1.00mm) -
FSMD100-1206R

FSMD100-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

3,000 -
RFQ
FSMD100-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 6V 1 A 1.8 A 100 A 300 ms 55 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.039" (1.00mm) -
FSMD125-16R

FSMD125-16R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,500 -
RFQ
FSMD125-16R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 16V 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) - 0.039" (1.00mm) -
MPTR60V050

MPTR60V050

PTC RESET FUSE 60V 0.5A RADIAL

Meritek

2,000 -
RFQ
MPTR60V050

Datasheet

Radial, Disc MPTR Bulk Active Polymeric 60V 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - -40°C ~ 85°C - - - Through Hole 0.311" Dia x 0.122" T (7.90mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
MPTS1206L050

MPTS1206L050

PTC RESET FUSE 8V 0.5A 1206

Meritek

8,000 -
RFQ
MPTS1206L050

Datasheet

1206 (3216 Metric) MPTS Tape & Reel (TR) Active Polymeric 8V 500 mA 1 A 100 A 100 ms 150 mOhms 700 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.022" (0.55mm) -
MPTS1206L025R

MPTS1206L025R

PTC RESET FUSE 16V 0.25A 1206

Meritek

3,000 -
RFQ
MPTS1206L025R

Datasheet

1206 (3216 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 16V 250 mA 500 mA 100 A 80 ms 550 mOhms 2.3 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
MPTS2920L125R

MPTS2920L125R

PTC RESET FUSE 33V 1.25A 2920

Meritek

2,000 -
RFQ
MPTS2920L125R

Datasheet

2920 (7351 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 33V 1.25 A 2.5 A 100 A 2 s 50 mOhms 250 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
FSMD075-33R

FSMD075-33R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

10,500 -
RFQ
FSMD075-33R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 33V 750 mA 1.5 A 100 A 200 ms 110 mOhms 400 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.061" (1.55mm) -
FSMD260R

FSMD260R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD260R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 8V 2.6 A 5 A 100 A 2.5 s 15 mOhms 47 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.047" (1.20mm) -
FSMD160-12R

FSMD160-12R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD160-12R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 12V 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) - 0.053" (1.35mm) -
FSMD160-16R

FSMD160-16R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD160-16R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 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) - 0.053" (1.35mm) -
FSMD075-24R

FSMD075-24R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,500 -
RFQ
FSMD075-24R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 24V 750 mA 1.5 A 100 A 200 ms 110 mOhms 290 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.061" (1.55mm) -
FSMD010-1206-R

FSMD010-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

9,000 -
RFQ
FSMD010-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 60V 100 mA 250 mA 100 A 1 s 1.6 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.033" (0.85mm) -
FSMD110-0805R

FSMD110-0805R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

3,000 -
RFQ
FSMD110-0805R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 6V 1.1 A 2.2 A 100 A 200 ms 50 mOhms 200 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.071" (1.80mm) -
FSMD200-24-2920-R

FSMD200-24-2920-R

RESETTABLE FUSE - SMD, 2920 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD200-24-2920-R

Datasheet

2920 (7351 Metric), Concave FSMD2920 Tape & Reel (TR) Active - 24V 2 A 4 A 100 A 5 s 35 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.031" (0.80mm) -
FSMD200-1206R

FSMD200-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

2,000 -
RFQ
FSMD200-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 6V 2 A 3.5 A 100 A 1.5 s 18 mOhms 80 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.063" (1.60mm) -
FSMD300R

FSMD300R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,500 -
RFQ
FSMD300R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 6V 3 A 5 A 100 A 4 s 12 mOhms 40 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.061" (1.55mm) -
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