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
PTGLASARR27M1B51B0

PTGLASARR27M1B51B0

PTC RESET FUSE 16V 1.025A RADIAL

Murata Electronics

8,796 -
RFQ
PTGLASARR27M1B51B0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 16V 1.025 A 1.9 A 8 A - - - 270 mOhms -30°C ~ 85°C - - - Through Hole 0.398" Dia x 0.138" T (10.10mm x 3.50mm) 0.591" (15.00mm) - 0.197" (5.00mm)
MINISMDC050-2

MINISMDC050-2

PTC RESET FUSE 24V 500MA 1812

Littelfuse Inc.

5,320 -
RFQ
MINISMDC050-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Obsolete Polymeric 24V 500 mA - 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) - 0.024" (0.62mm) -
MINISMDC075-2

MINISMDC075-2

PTC RESET FUSE 13.2V 750MA 1812

Littelfuse Inc.

6,215 -
RFQ
MINISMDC075-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Obsolete Polymeric 13.2V 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) - 0.024" (0.62mm) -
MINISMDC014-2

MINISMDC014-2

PTC RESET FUSE 60V 140MA 1812

Littelfuse Inc.

5,116 -
RFQ
MINISMDC014-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Obsolete Polymeric 60V 140 mA - 10 A 8 ms 1.5 Ohms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.89mm) -
MINISMDC150-2

MINISMDC150-2

PTC RESET FUSE 6V 1.5A 1812

Littelfuse Inc.

4,935 -
RFQ
MINISMDC150-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Obsolete Polymeric 6V 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) - 0.019" (0.48mm) -
NANOSMDM100-2

NANOSMDM100-2

POLYSWITCH 1.00A RESET FUSE SMD

Littelfuse Inc.

7,328 -
RFQ
NANOSMDM100-2

Datasheet

1206 (3216 Metric), Concave PolySwitch®, nanoSMD Cut Tape (CT) Obsolete Polymeric 6V 1 A 1.8 A 40 A 300 ms 60 mOhms 210 mOhms - - - - - Surface Mount 0.126" L x 0.063" W (3.20mm x 1.59mm) - 0.047" (1.20mm) -
NANOSMDC150-2

NANOSMDC150-2

PTC RESET FUSE 6V 1.5A 1206

Littelfuse Inc.

3,836 -
RFQ
NANOSMDC150-2

Datasheet

1206 (3216 Metric), Concave PolySwitch®, nanoSMD Tape & Reel (TR) Obsolete Polymeric 6V 1.5 A 3 A 100 A 300 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.64mm) - 0.055" (1.40mm) -
600R150UR

600R150UR

PTC RESET FUSE 60V 150MA RADIAL

Littelfuse Inc.

3,194 -
RFQ
600R150UR

Datasheet

Radial, Disc POLY-FUSE®, 600R Tape & Box (TB) Obsolete Polymeric 60V (600V Int) 150 mA 300 mA 3 A 4 s 6 Ohms 17 Ohms - -40°C ~ 85°C - - - Through Hole 0.354" L x 0.181" W (9.00mm x 4.60mm) 0.492" (12.50mm) - 0.201" (5.10mm)
0ZRN0650FF1A

0ZRN0650FF1A

PTC RESET FUSE 16V 6.5A RADIAL

Bel Fuse Inc.

2,463 -
RFQ
0ZRN0650FF1A

Datasheet

Radial, Disc 0ZRN Bulk Active Polymeric 16V 6.5 A 12 A 100 A 5.5 s 11 mOhms 26 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.201" (5.10mm)
MF-R015/600-2-99

MF-R015/600-2-99

PTC RESET FUSE 250V 150MA RADIAL

Bourns Inc.

8,736 -
RFQ
MF-R015/600-2-99

Datasheet

Radial, Box Multifuse®, MF-R/600 Tape & Reel (TR) Obsolete Polymeric 250V (600V Int) 150 mA 300 mA 3 A 5 s 6 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.531" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
LR4-560F

LR4-560F

PTC RESET FUSE 20V 5.6A STRAP

Littelfuse Inc.

2,288 -
RFQ

-

Strap PolySwitch®, LR4 Bulk Obsolete Polymeric 20V 5.6 A - 100 A - - - - - - - - User Defined 0.984" L x 0.559" W (25.00mm x 14.20mm) - 0.039" (1.00mm) -
LR4-600-C100F

LR4-600-C100F

PTC RESET FUSE 20V 6A STRAP

Littelfuse Inc.

7,234 -
RFQ

-

Strap PolySwitch®, LR4 Bulk Discontinued at Digi-Key Polymeric 20V 6 A 11.7 A 100 A 5 s - - - - - - - User Defined - - - -
1812L260ZR

1812L260ZR

PTC RESET FUSE 8V 2.6A 1812

Littelfuse Inc.

3,306 -
RFQ
1812L260ZR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Obsolete Polymeric 8V 2.6 A 5.2 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) - 0.053" (1.34mm) -
1812L200DR

1812L200DR

PTC RESET FUSE 8V 2A 1812

Littelfuse Inc.

8,830 -
RFQ
1812L200DR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Obsolete Polymeric 8V 2 A 3.5 A 100 A 2 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.024" (0.60mm) -
0ZCD0030FF2C

0ZCD0030FF2C

PTC RESET FUSE 60V 300MA 2920

Bel Fuse Inc.

8,233 -
RFQ
0ZCD0030FF2C

Datasheet

2920 (7351 Metric) 0ZCD Tape & Reel (TR) Obsolete Polymeric 60V 300 mA 600 mA 10 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) - 0.061" (1.55mm) -
MF-RHT800-AP

MF-RHT800-AP

PTC RESET FUSE 16V 8A RADIAL

Bourns Inc.

4,673 -
RFQ
MF-RHT800-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 8 A 15 A 100 A 8 s 8 mOhms 20 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.630" L x 0.118" W (16.00mm x 3.00mm) 0.886" (22.50mm) - 0.201" (5.10mm)
MF-RHT900-AP

MF-RHT900-AP

PTC RESET FUSE 16V 9A RADIAL

Bourns Inc.

4,669 -
RFQ
MF-RHT900-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 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) - 0.201" (5.10mm)
MF-RHT800-0-14

MF-RHT800-0-14

PTC 8.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

7,325 -
RFQ
MF-RHT800-0-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 8 A 15 A 100 A 8 s 8 mOhms 20 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.886" (22.50mm) - 0.201" (5.10mm)
MF-RHT900-0-14

MF-RHT900-0-14

PTC 9.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

4,617 -
RFQ
MF-RHT900-0-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 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) - 0.201" (5.10mm)
PTGL10AR3R9M3B51B0

PTGL10AR3R9M3B51B0

PTC RESET FUSE 56V 390MA RADIAL

Murata Electronics

7,113 -
RFQ
PTGL10AR3R9M3B51B0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 56V 390 mA 680 mA 2 A - - - 3.9 Ohms -10°C ~ 60°C - - - Through Hole 0.413" Dia x 0.157" T (10.50mm x 4.00mm) 0.650" (16.50mm) - 0.197" (5.00mm)
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