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
MF-PSML400/8-2

MF-PSML400/8-2

PTC RESET FUSE 8V 4A 0805

Bourns Inc.

1,717 -
RFQ
MF-PSML400/8-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML/X Tape & Reel (TR) Active Polymeric 8V 4 A 8 A 50 A 12.5 s 1 mOhms 14 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.055" (1.40mm) -
B59770B0120A070

B59770B0120A070

PTC RESET FUSE 420V RADIAL DISC

EPCOS - TDK Electronics

930 -
RFQ
B59770B0120A070

Datasheet

Radial, Disc B59770 Bulk Active Ceramic 420V - 127 mA 1.4 A 4 s - - 70 Ohms 0°C ~ 60°C - - - Through Hole 0.335" Dia x 0.276" T (8.50mm x 7.00mm) 0.197" (5.00mm) - 0.197" (5.00mm)
B59860C0080A070

B59860C0080A070

PTC RESET FUSE 265V 90MA RADIAL

EPCOS - TDK Electronics

990 -
RFQ
B59860C0080A070

Datasheet

Radial, Disc - Bulk Active Ceramic 265V 90 mA 180 mA 1.5 A - - - 15 Ohms 0°C ~ 60°C - - - Through Hole 0.354" Dia x 0.197" T (9.00mm x 5.00mm) 0.492" (12.50mm) - 0.197" (5.00mm)
PTR016V1400-TR1

PTR016V1400-TR1

PTC RESET FUSE 16V 14A RADIAL

Eaton - Electronics Division

742 -
RFQ
PTR016V1400-TR1

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 14 A 23.8 A 100 A 9 s 2 mOhms 7 mOhms - -40°C ~ 85°C - - - Through Hole 0.925" L x 0.122" W (23.50mm x 3.10mm) 1.181" (30.00mm) - 0.394" (10.00mm)
B59850C0080A070

B59850C0080A070

PTC RESET FUSE 265V 110MA RADIAL

EPCOS - TDK Electronics

943 -
RFQ
B59850C0080A070

Datasheet

Radial, Disc - Bulk Active Ceramic 265V 110 mA 230 mA 2.2 A - - - 10 Ohms 0°C ~ 60°C - - - Through Hole 0.532" Dia x 0.197" T (13.50mm x 5.00mm) 0.669" (17.00mm) - 0.197" (5.00mm)
AHRL1300

AHRL1300

PTC RESET FUSE 13A 16V RAD

Littelfuse Inc.

240 -
RFQ
AHRL1300

Datasheet

Radial, Disc PolySwitch®, AHRL Bulk Active Polymeric 16V 13 A 26 A 100 A 14 s 3.3 mOhms 5.3 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.685" L x 0.142" W (17.40mm x 3.60mm) 0.976" (24.80mm) - 0.400" (10.15mm)
PFRA.400.2

PFRA.400.2

PTC RESET FUSE 30V 4A RADIAL

SCHURTER Inc.

1,195 -
RFQ
PFRA.400.2

Datasheet

Radial, Disc PFRA Tape & Reel (TR) Active Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.567" L x 0.118" W (14.40mm x 3.00mm) 0.976" (24.80mm) - 0.201" (5.10mm)
YQS5750PTO

YQS5750PTO

PTC RESET FUSE 25V RADIAL DISC

Amphenol Advanced Sensors (Thermometrics)

995 -
RFQ
YQS5750PTO

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) 0.413" (10.50mm) - 0.197" (5.00mm)
MF-PSML380/8-2

MF-PSML380/8-2

PTC RESET FUSE 8V 3.8A 0805

Bourns Inc.

7,260 -
RFQ
MF-PSML380/8-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML/X Tape & Reel (TR) Active Polymeric 8V 3.8 A 7.6 A 50 A 5 s 1 mOhms 16 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.055" (1.40mm) -
RHEF1500-2

RHEF1500-2

PTC RESET FUSE 16V 15A RADIAL

Littelfuse Inc.

770 -
RFQ
RHEF1500-2

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Active Polymeric 16V 15 A 28 A 100 A 20 s 3.2 mOhms 9.2 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)
MF-RG1000-2

MF-RG1000-2

PTC RESET FUSE 16V 10A RADIAL

Bourns Inc.

2,759 -
RFQ
MF-RG1000-2

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Reel (TR) Active Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms 10.2 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.854" (21.70mm) - 0.201" (5.10mm)
MF-RG1000-0

MF-RG1000-0

PTC RESET FUSE 16V 10A RADIAL

Bourns Inc.

2,723 -
RFQ
MF-RG1000-0

Datasheet

Radial, Disc Multifuse®, MF-RG Bag Active Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms 10.2 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.854" (21.70mm) - 0.201" (5.10mm)
MF-RHT1300-2

MF-RHT1300-2

PTC RESET FUSE 16V 13A RADIAL

Bourns Inc.

187 -
RFQ
MF-RHT1300-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 13 A 24 A 100 A 13 s 4.1 mOhms 10 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.925" L x 0.142" W (23.50mm x 3.60mm) 1.130" (28.70mm) - 0.215" (5.45mm)
AHRL1400

AHRL1400

PTC RESET FUSE 14A 16V RAD

Littelfuse Inc.

790 -
RFQ
AHRL1400

Datasheet

Radial, Disc PolySwitch®, AHRL Bulk Active Polymeric 16V 14 A 28 A 100 A 16 s 3.1 mOhms 4.8 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.685" L x 0.142" W (17.40mm x 3.60mm) 1.039" (26.40mm) - 0.400" (10.15mm)
YQS8120

YQS8120

PTC RESET FUSE 420V 21MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

730 -
RFQ
YQS8120

Datasheet

Radial, Disc YP Bulk Active Ceramic 420V 21 mA 39 mA 200 mA - - - 600 Ohms 0°C ~ 60°C - - - Through Hole 0.256" Dia x 0.197" T (6.50mm x 5.00mm) 0.472" (12.00mm) - 0.236" (6.00mm)
1206L350SLWR

1206L350SLWR

PTC RESET FUSE 6V 3.5A 1206

Littelfuse Inc.

1,561 -
RFQ
1206L350SLWR

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 3.5 A 7 A 50 A 2 s 3 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.065" W (3.25mm x 1.65mm) - 0.030" (0.75mm) -
1812L300SLPR

1812L300SLPR

PTC RESET FUSE 6V 3A 1812

Littelfuse Inc.

1,311 -
RFQ
1812L300SLPR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 3 A 7 A 50 A 5 s 3 mOhms 21 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.030" (0.75mm) -
MF-LR900/20-0

MF-LR900/20-0

PTC RESET FUSE 20V 9A STRAP

Bourns Inc.

578 -
RFQ
MF-LR900/20-0

Datasheet

Strap Multifuse®, MF-LR Bulk Active Polymeric 20V 9 A 16.7 A 100 A 5 s 6 mOhms 14 mOhms - -40°C ~ 85°C - - - User Defined 1.831" L x 0.323" W (46.50mm x 8.20mm) - 0.051" (1.30mm) -
YS5869PTF

YS5869PTF

PTC RESET FUSE 120V 60MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

1,476 -
RFQ
YS5869PTF

Datasheet

Radial, Disc PTF Bulk Active Ceramic 120V 60 mA 110 mA - - - - 100 Ohms 10°C ~ 55°C - - - Through Hole 0.402" Dia x 0.122" T (10.20mm x 3.10mm) 0.402" (10.20mm) - 0.252" (6.40mm)
0805L350SLYR

0805L350SLYR

PTC RESET FUSE 3.5A 6V 0805

Littelfuse Inc.

1,427 -
RFQ
0805L350SLYR

Datasheet

0805 (2012 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 3.5 A 7 A 50 A 5 s 3 mOhms 25 mOhms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.055" (1.40mm) -
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