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
AHRF900

AHRF900

PTC RESET FUSE 16V 9A RADIAL

Littelfuse Inc.

216 -
RFQ
AHRF900

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 9 A 18.5 A 100 A 11.5 s 6.1 mOhms 17 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.199" (5.05mm)
YQS5749PTO

YQS5749PTO

PTC RESET FUSE 25V RADIAL DISC

Amphenol Advanced Sensors (Thermometrics)

2,424 -
RFQ
YQS5749PTO

Datasheet

Radial, Disc PTO Bulk Active Ceramic 25V - - - - - - 50 Ohms 10°C ~ 55°C - - - Through Hole 0.350" Dia x 0.150" T (8.90mm x 3.80mm) 0.472" (12.00mm) - 0.197" (5.00mm)
CMF-SDP25-2

CMF-SDP25-2

PTC RESET FUSE 230V 130MA 4SMD

Bourns Inc.

280 -
RFQ
CMF-SDP25-2

Datasheet

4-SMD Cube CMF-SDP Tape & Reel (TR) Active Ceramic 230V (250V Int) 130 mA 260 mA 2.8 A 200 ms - - 25 Ohms -40°C ~ 125°C - - - Surface Mount 0.433" L x 0.354" W (11.00mm x 9.00mm) - 0.453" (11.50mm) -
MF-RHT750-2

MF-RHT750-2

PTC RESET FUSE 16V 7.5A RADIAL

Bourns Inc.

4,677 -
RFQ
MF-RHT750-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 7.5 A 13.1 A 100 A 7 s 9.4 mOhms 22 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.925" (23.50mm) - 0.114" (2.90mm)
MF-PSML260/12-2

MF-PSML260/12-2

PTC RESET FUSE 12V 2.6A 0805

Bourns Inc.

1,299 -
RFQ
MF-PSML260/12-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML/X Tape & Reel (TR) Active Polymeric 12V 2.6 A 5.2 A 50 A 4 s 3 mOhms 30 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.055" (1.40mm) -
MF-RHT1000-0

MF-RHT1000-0

PTC RESET FUSE 16V 10A RADIAL

Bourns Inc.

2,961 -
RFQ
MF-RHT1000-0

Datasheet

Radial, Disc Multifuse®, MF-RHT Bag Active Polymeric 16V 10 A 18.5 A 100 A 9 s 6.2 mOhms 15 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.051" (26.70mm) - 0.402" (10.20mm)
RHEF1300

RHEF1300

PTC RESET FUSE 16V 13A RADIAL

Littelfuse Inc.

211 -
RFQ
RHEF1300

Datasheet

Radial, Disc PolySwitch®, RHEF Bag Active Polymeric 16V 13 A 24 A 100 A 13 s 4.1 mOhms 10 mOhms - -40°C ~ 125°C - - - Through Hole 0.925" L x 0.142" W (23.50mm x 3.60mm) 1.130" (28.70mm) - 0.400" (10.15mm)
PTSLR18126V350

PTSLR18126V350

PTC RESET FUSE 6V 3.5A 1812

Eaton - Electronics Division

5,148 -
RFQ
PTSLR18126V350

Datasheet

1812 (4532 Metric), Concave PTSLR1812 Tape & Reel (TR) Active Polymeric 6V 3.5 A 8.1 A 50 A 5 s 3 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
PTSLR18126V190

PTSLR18126V190

PTC RESET FUSE 6V 1.9A 1812

Eaton - Electronics Division

3,120 -
RFQ
PTSLR18126V190

Datasheet

1812 (4532 Metric), Concave PTSLR1812 Tape & Reel (TR) Active Polymeric 6V 1.9 A 4.9 A 50 A 4.5 s 3 mOhms 25 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
CMF-SDP35-2

CMF-SDP35-2

PTC RESET FUSE 230V 110MA 4SMD

Bourns Inc.

1,390 -
RFQ
CMF-SDP35-2

Datasheet

4-SMD Cube CMF-SDP Tape & Reel (TR) Active Ceramic 230V (600V Int) 110 mA 230 mA 4.6 A 60 ms - - 35 Ohms -40°C ~ 125°C - - - Surface Mount 0.433" L x 0.354" W (11.00mm x 9.00mm) - 0.453" (11.50mm) -
MF-RHT1000-2

MF-RHT1000-2

PTC RESET FUSE 16V 10A RADIAL

Bourns Inc.

171 -
RFQ
MF-RHT1000-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 10 A 18.5 A 100 A 9 s 6.2 mOhms 15 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.051" (26.70mm) - 0.402" (10.20mm)
16R900GMR

16R900GMR

PTC RESET FUSE 16V 9A RADIAL

Littelfuse Inc.

393 -
RFQ
16R900GMR

Datasheet

Radial, Disc POLY-FUSE®, 16R Cut Tape (CT) Active Polymeric 16V 9 A 15.3 A 100 A 5.5 s 4.7 mOhms 13.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.854" (21.70mm) - 0.201" (5.10mm)
CMF-SDP07-2

CMF-SDP07-2

PTC RESET FUSE 230V 80MA 4SMD

Bourns Inc.

189 -
RFQ
CMF-SDP07-2

Datasheet

4-SMD Cube CMF-SDP Tape & Reel (TR) Active Ceramic 230V (250V Int) 80 mA 200 mA 3 A 450 ms - - 7 Ohms -40°C ~ 125°C - - - Surface Mount 0.433" L x 0.354" W (11.00mm x 9.00mm) - 0.453" (11.50mm) -
PTSLR18126V400

PTSLR18126V400

PTC RESET FUSE 6V 4A 1812

Eaton - Electronics Division

5,086 -
RFQ
PTSLR18126V400

Datasheet

1812 (4532 Metric), Concave PTSLR1812 Tape & Reel (TR) Active Polymeric 6V 4 A 8 A 50 A 2 s 3 mOhms 17 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
MF-RHT1100-0

MF-RHT1100-0

PTC RESET FUSE 16V 11A RADIAL

Bourns Inc.

2,950 -
RFQ
MF-RHT1100-0

Datasheet

Radial, Disc Multifuse®, MF-RHT Bag Active Polymeric 16V 11 A 20 A 100 A 11 s 5.5 mOhms 13 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.827" L x 0.118" W (21.00mm x 3.00mm) 1.028" (26.10mm) - 0.402" (10.20mm)
B59965C0160A070

B59965C0160A070

PTC RESET FUSE 20V 700MA RADIAL

EPCOS - TDK Electronics

645 -
RFQ
B59965C0160A070

Datasheet

Radial, Disc B59965 Bulk Active Ceramic 20V 700 mA 1.45 A 4.3 A - - - 1.2 Ohms -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.433" Dia x 0.138" T (11.00mm x 3.50mm) 0.571" (14.50mm) - 0.197" (5.00mm)
AHRL1100

AHRL1100

PTC RESET FUSE 11A 16V RAD

Littelfuse Inc.

231 -
RFQ
AHRL1100

Datasheet

Radial, Disc PolySwitch®, AHRL Bulk Active Polymeric 16V 11 A 22 A 100 A 11.2 s 3.8 mOhms 6.3 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.685" L x 0.142" W (17.40mm x 3.60mm) 0.882" (22.40mm) - 0.400" (10.15mm)
AHRF1300-2

AHRF1300-2

PTC RESET FUSE 16V 13A RADIAL

Littelfuse Inc.

872 -
RFQ
AHRF1300-2

Datasheet

Radial, Disc PolySwitch®, AHRF Tape & Reel (TR) Active Polymeric 16V 13 A 27 A 100 A 15 s 3.4 mOhms 10 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.925" L x 0.138" W (23.50mm x 3.50mm) 1.130" (28.70mm) - 0.400" (10.15mm)
B59883C0120A051

B59883C0120A051

PTC RESET FUSE 265V 35MA RADIAL

EPCOS - TDK Electronics

978 -
RFQ
B59883C0120A051

Datasheet

Radial, Disc - Tape & Reel (TR) Active Ceramic 265V 35 mA 70 mA 400 mA - - - 120 Ohms 0°C ~ 60°C - - - Through Hole 0.256" Dia x 0.197" T (6.50mm x 5.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
MF-RHT1100-2

MF-RHT1100-2

PTC RESET FUSE 16V 11A RADIAL

Bourns Inc.

2,000 -
RFQ
MF-RHT1100-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 11 A 20 A 100 A 11 s 5.5 mOhms 13 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.827" L x 0.118" W (21.00mm x 3.00mm) 1.028" (26.10mm) - 0.402" (10.20mm)
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