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-RHT100-0-17

MF-RHT100-0-17

PTC 1.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

2,115 -
RFQ
MF-RHT100-0-17

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 30V 1 A 1.8 A 40 A 5 s 180 mOhms 430 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.382" Dia x 0.118" T (9.70mm x 3.00mm) 0.535" (13.60mm) - 0.201" (5.10mm)
MF-RHT200-0-17

MF-RHT200-0-17

PTC 2.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

9,103 -
RFQ
MF-RHT200-0-17

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 2 A 3.8 A 100 A 3 s 45 mOhms 110 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.370" Dia x 0.118" T (9.40mm x 3.00mm) 0.550" (13.97mm) - 0.201" (5.10mm)
0ZRC0375FF2A

0ZRC0375FF2A

FUSE RESETTABLE TH

Bel Fuse Inc.

5,169 -
RFQ

-

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
LVRL100S

LVRL100S

PTC RESET FUSE 120V 1A RADIAL

Littelfuse Inc.

4,538 -
RFQ
LVRL100S

Datasheet

Radial, Disc PolySwitch®, LVRL Bulk Obsolete Polymeric 120V (135V Int) 1 A 2 A 10 A 13.6 s 180 mOhms 470 mOhms - -20°C ~ 85°C - - - Through Hole 0.453" L x 0.161" W (11.50mm x 4.10mm) 0.791" (20.10mm) - 0.200" (5.08mm)
RXEF375-2

RXEF375-2

PTC RESET FUSE 72V 3.75A RADIAL

Littelfuse Inc.

5,183 -
RFQ
RXEF375-2

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Obsolete Polymeric 72V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.071" Dia x 0.118" T (27.20mm x 3.00mm) 1.252" (31.80mm) - 0.400" (10.15mm)
PTR016V0250-TR1

PTR016V0250-TR1

PTC RESET FUSE 16V 2.5A RADIAL

Eaton - Electronics Division

2,303 -
RFQ
PTR016V0250-TR1

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 2.5 A 5 A 40 A 40 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.122" W (11.40mm x 3.10mm) 0.807" (20.50mm) - 0.197" (5.00mm)
AHRF450S-1.0

AHRF450S-1.0

PTC RESET FUSE 16V 4.5A RADIAL

Littelfuse Inc.

9,967 -
RFQ
AHRF450S-1.0

Datasheet

Radial, Disc PolySwitch®, AHRF Bulk Obsolete Polymeric 16V 4.5 A 8.7 A 100 A 4 s 1.7 mOhms 54 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.614" (15.60mm) - 0.200" (5.08mm)
PTR060V0050-TR1

PTR060V0050-TR1

PTC RESET FUSE 60V 500MA RADIAL

Eaton - Electronics Division

8,926 -
RFQ
PTR060V0050-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - -40°C ~ 85°C - - - Through Hole 0.299" Dia x 0.118" T (7.60mm x 3.00mm) 0.539" (13.70mm) - 0.197" (5.00mm)
SMD1812P200TFA

SMD1812P200TFA

PTC RESET FUSE 8V 2A 1812

Littelfuse Inc.

4,728 -
RFQ
SMD1812P200TFA

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, SMD1812 Tape & Reel (TR) Obsolete Polymeric 8V 2 A 3.5 A 40 A 2 s 20 mOhms 60 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.045" (1.15mm) -
FRU400-30F

FRU400-30F

RESETTABLE FUSE - PPTC RADIAL LE

RFE/Fuzetec

40 -
RFQ
FRU400-30F

Datasheet

Radial, Disc FRU Bulk Active - 30V 4 A 8 A 100 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.791" (20.10mm) - 0.201" (5.10mm)
0ZCB0175FF2E

0ZCB0175FF2E

PTC RESET FUSE 6V 1.75A 1210

Bel Fuse Inc.

2,863 -
RFQ
0ZCB0175FF2E

Datasheet

1210 (3225 Metric), Concave 0ZCB Tape & Reel (TR) Obsolete Polymeric 6V 1.75 A 3.5 A 100 A 600 ms 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.055" (1.40mm) -
15LT070U

15LT070U

PTC RESET FUSE 15V 700MA STRAP

Littelfuse Inc.

6,130 -
RFQ
15LT070U

Datasheet

Strap POLY-FUSE®, LT Bulk Obsolete Polymeric 15V 700 mA 1.5 A 100 A 5 s 100 mOhms 340 mOhms - -40°C ~ 85°C - - - User Defined 0.827" L x 0.199" W (21.00mm x 5.05mm) - 0.047" (1.20mm) -
RGEF1000K

RGEF1000K

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

4,064 -
RFQ
RGEF1000K

Datasheet

Radial, Disc PolySwitch®, RGEF Bulk Obsolete Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms 10.2 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.098" W (16.50mm x 2.50mm) - - 0.199" (5.05mm)
SMD1812P014TFA

SMD1812P014TFA

PTC RESET FUSE 60V 140MA 1812

Littelfuse Inc.

7,928 -
RFQ
SMD1812P014TFA

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, SMD1812 Tape & Reel (TR) Obsolete Polymeric 60V 140 mA 340 mA 10 A 150 ms 1.5 Ohms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.053" (1.35mm) -
PTGL05AR121M9N51B1

PTGL05AR121M9N51B1

FD

Murata Electronics

9,452 -
RFQ

-

Radial, Disc POSISTOR®, PTGL Bulk Active Ceramic 265V 47 mA 75 mA 300 mA - 96 Ohms 144 Ohms 120 Ohms -10°C ~ 60°C - - - Through Hole 0.256" Dia x 0.256" T (6.50mm x 6.50mm) 0.492" (12.50mm) - 0.197" (5.00mm)
MF-RHT070-2-17

MF-RHT070-2-17

PTC 0.7A 16V RADIAL LEADED HI-TE

Bourns Inc.

5,474 -
RFQ
MF-RHT070-2-17

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 30V 700 mA 1.4 A 40 A 4 s 300 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.270" L x 0.118" W (6.86mm x 3.00mm) 0.425" (10.80mm) - 0.201" (5.10mm)
250R080DR

250R080DR

PTC RESET FUSE 60V 80MA RADIAL

Littelfuse Inc.

5,013 -
RFQ
250R080DR

Datasheet

Radial, Disc POLY-FUSE®, 250R Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 80 mA 160 mA 3 A 4 s 14 Ohms 33 Ohms - -40°C ~ 85°C - - - Through Hole 0.228" Dia x 0.181" T (5.80mm x 4.60mm) 0.390" (9.90mm) - 0.201" (5.10mm)
PTGL05BD102N9N51B0

PTGL05BD102N9N51B0

PTC RESET FUSE

Murata Electronics

6,646 -
RFQ

-

- * Bulk Obsolete - - - - - - - - - - - - - - - - - -
PTR060V0065-TR1

PTR060V0065-TR1

PTC RESET FUSE 60V 650MA RADIAL

Eaton - Electronics Division

8,192 -
RFQ
PTR060V0065-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 650 mA 1.3 A 40 A 5.3 s 310 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.382" Dia x 0.118" T (9.70mm x 3.00mm) 0.571" (14.50mm) - 0.197" (5.00mm)
PTR060V0075-TR1

PTR060V0075-TR1

PTC RESET FUSE 60V 750MA RADIAL

Eaton - Electronics Division

3,022 -
RFQ
PTR060V0075-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 250 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.598" (15.20mm) - 0.197" (5.00mm)
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