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
FSMD020-R

FSMD020-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,500 -
RFQ
FSMD020-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 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) -
FSMD020-0805-R

FSMD020-0805-R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

3,700 -
RFQ
FSMD020-0805-R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 9V 200 mA 500 mA 100 A 20 ms 400 mOhms 3.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.039" (1.00mm) -
FSMD075-1206R

FSMD075-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

2,950 -
RFQ
FSMD075-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 8V 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) -
FSMD010-R

FSMD010-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,950 -
RFQ
FSMD010-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 60V 100 mA 300 mA 100 A 20 ms 1.6 Ohms 15 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.90mm) -
FSMD160-R

FSMD160-R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,400 -
RFQ
FSMD160-R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 8V 1.6 A 3.2 A 100 A 500 ms 30 mOhms 100 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.90mm) -
MPTS2920L050R

MPTS2920L050R

PTC RESET FUSE 60V 0.5A 2920

Meritek

16,000 -
RFQ
MPTS2920L050R

Datasheet

2920 (7351 Metric), Concave MPTS Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 100 A 4 s 300 mOhms 1.4 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.045" (1.15mm) -
FSMD050-24-1206R

FSMD050-24-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

5,600 -
RFQ
FSMD050-24-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 24V 500 mA 1 A 100 A 100 ms 150 mOhms 750 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.047" (1.20mm) -
FSMD010-24-0805-R

FSMD010-24-0805-R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

3,840 -
RFQ
FSMD010-24-0805-R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 24V 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) -
FSMD075-0805R

FSMD075-0805R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

2,950 -
RFQ
FSMD075-0805R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 6V 750 mA 1.5 A 100 A 200 ms 90 mOhms 350 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.049" (1.25mm) -
FSMD035-30-1206R

FSMD035-30-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

2,950 -
RFQ
FSMD035-30-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 30V 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) - 0.051" (1.30mm) -
FSMD025-24-1206-R

FSMD025-24-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

2,850 -
RFQ
FSMD025-24-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 24V 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) -
FSMD075-16-1206R

FSMD075-16-1206R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

2,800 -
RFQ
FSMD075-16-1206R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 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) -
FSMD050-9-0805R

FSMD050-9-0805R

RESETTABLE FUSE - SMD, 0805 SIZE

RFE/Fuzetec

2,550 -
RFQ
FSMD050-9-0805R

Datasheet

0805 (2012 Metric), Concave FSMD0805 Tape & Reel (TR) Active - 9V 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) -
MPTS2920L150

MPTS2920L150

PTC RESET FUSE 33V 1.5A 2920

Meritek

2,000 -
RFQ
MPTS2920L150

Datasheet

2920 (7351 Metric) MPTS Tape & Reel (TR) Active Polymeric 33V 1.5 A 3 A 100 A 2 s 50 mOhms 230 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
FSMD025-1206-R

FSMD025-1206-R

RESETTABLE FUSE - SMD, 1206 SIZE

RFE/Fuzetec

1,750 -
RFQ
FSMD025-1206-R

Datasheet

1206 (3216 Metric), Concave FSMD1206 Tape & Reel (TR) Active - 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) -
FSMD110-33R

FSMD110-33R

RESETTABLE FUSE - SMD, 1812 SIZE

RFE/Fuzetec

1,450 -
RFQ
FSMD110-33R

Datasheet

1812 (4532 Metric), Concave FSMD1812 Tape & Reel (TR) Active - 33V 1.1 A 2.2 A 100 A 500 ms 60 mOhms 200 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.051" (1.30mm) -
16R135BPR

16R135BPR

PTC RESET FUSE 16V 1.35A RADIAL

Littelfuse Inc.

2,000 -
RFQ
16R135BPR

Datasheet

Radial, Disc POLY-FUSE®, USBR Tape & Box (TB) Obsolete Polymeric 16V 1.35 A 2.7 A 40 A 4.5 s 40 mOhms 120 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.532" (13.50mm) - 0.201" (5.10mm)
FRU090-30F

FRU090-30F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

1,990 -
RFQ
FRU090-30F

Datasheet

Radial, Disc FRU Bulk Active - 30V 900 mA 1.8 A 100 A 5.9 s 70 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.201" (5.10mm)
FSMD100-2920-R

FSMD100-2920-R

RESETTABLE FUSE - SMD, 2920 SIZE

RFE/Fuzetec

2,900 -
RFQ
FSMD100-2920-R

Datasheet

2920 (7351 Metric), Concave FSMD2920 Tape & Reel (TR) Active - 33V 1.1 A 2.2 A 100 A 500 ms 90 mOhms 410 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
FSMD030-2920-R

FSMD030-2920-R

RESETTABLE FUSE - SMD, 2920 SIZE

RFE/Fuzetec

1,950 -
RFQ
FSMD030-2920-R

Datasheet

2920 (7351 Metric), Concave FSMD2920 Tape & Reel (TR) Active - 60V 300 mA 600 mA 100 A 3 s 1 Ohms 4.8 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.045" (1.15mm) -
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