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
B59975C160A51

B59975C160A51

PTC RESET FUSE 20V 550MA RADIAL

EPCOS - TDK Electronics

2,292 -
RFQ
B59975C160A51

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 20V 550 mA 1.1 A 3 A - - - 1.8 Ohms -40°C ~ 85°C - - - Through Hole 0.354" Dia x 0.138" T (9.00mm x 3.50mm) 0.492" (12.50mm) - 0.197" (5.00mm)
B59975C0160A054

B59975C0160A054

PTC RESET FUSE 20V 550MA RADIAL

EPCOS - TDK Electronics

2,235 -
RFQ
B59975C0160A054

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 20V 550 mA 1.1 A 3 A - - - 1.8 Ohms -40°C ~ 85°C - - - Through Hole 0.354" Dia x 0.138" T (9.00mm x 3.50mm) 0.492" (12.50mm) - 0.197" (5.00mm)
B59985C0160A051

B59985C0160A051

PTC RESET FUSE 20V 300MA RADIAL

EPCOS - TDK Electronics

2,300 -
RFQ
B59985C0160A051

Datasheet

Radial, Disc B59985 Tape & Reel (TR) Obsolete Ceramic 20V 300 mA 600 mA 1 A - - - 4.6 Ohms -40°C ~ 85°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
B59990C0120A050

B59990C0120A050

PTC RESET FUSE 80V 50MA RADIAL

EPCOS - TDK Electronics

2,797 -
RFQ
B59990C0120A050

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 80V 50 mA 100 mA 700 mA - - - 55 Ohms -40°C ~ 125°C - - - Through Hole 0.157" Dia x 0.138" T (4.00mm x 3.50mm) 0.295" (7.50mm) - 0.197" (5.00mm)
B59965C0120A054

B59965C0120A054

PTC RESET FUSE 30V 600MA RADIAL

EPCOS - TDK Electronics

5,083 -
RFQ
B59965C0120A054

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 30V 600 mA 1.2 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)
B59870C130A51

B59870C130A51

PTC RESET FUSE 265V 100MA RADIAL

EPCOS - TDK Electronics

7,027 -
RFQ
B59870C130A51

Datasheet

Radial, Disc - Tape & Reel (TR) Active Ceramic 265V 100 mA 150 mA 400 mA - - - 50 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)
B59890C80A51

B59890C80A51

PTC RESET FUSE 265V 15MA RADIAL

EPCOS - TDK Electronics

9,885 -
RFQ

-

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 15 mA 40 mA 200 mA - - - 150 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.197" T (4.00mm x 5.00mm) 0.295" (7.50mm) - 0.197" (5.00mm)
B59890C0080A053

B59890C0080A053

PTC RESET FUSE 265V 15MA RADIAL

EPCOS - TDK Electronics

2,344 -
RFQ
B59890C0080A053

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 15 mA 40 mA 200 mA - - - 150 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.197" T (4.00mm x 5.00mm) 0.295" (7.50mm) - 0.197" (5.00mm)
B59884C0120A051

B59884C0120A051

PTC RESET FUSE 420V 21MA RADIAL

EPCOS - TDK Electronics

4,066 -
RFQ
B59884C0120A051

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete 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) 0.394" (10.00mm) - 0.197" (5.00mm)
B59880C80A51

B59880C80A51

PTC RESET FUSE 265V 30MA RADIAL

EPCOS - TDK Electronics

3,299 -
RFQ

-

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 30 mA 70 mA 400 mA - - - 70 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)
B59960C0080A051

B59960C0080A051

PTC RESET FUSE 80V 130MA RADIAL

EPCOS - TDK Electronics

2,297 -
RFQ
B59960C0080A051

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 80V 130 mA 265 mA 4.3 A - - - 5.6 Ohms -40°C ~ 85°C - - - Through Hole 0.433" Dia x 0.138" T (11.00mm x 3.50mm) 0.571" (14.50mm) - 0.197" (5.00mm)
B59965C0160A054

B59965C0160A054

PTC RESET FUSE 20V 700MA RADIAL

EPCOS - TDK Electronics

7,588 -
RFQ
B59965C0160A054

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 20V 700 mA 1.45 A 4.3 A - - - 1.2 Ohms -40°C ~ 85°C - - - Through Hole 0.433" Dia x 0.138" T (11.00mm x 3.50mm) 0.571" (14.50mm) - 0.197" (5.00mm)
B59965C120A51

B59965C120A51

PTC RESET FUSE 30V 600MA RADIAL

EPCOS - TDK Electronics

5,051 -
RFQ
B59965C120A51

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 30V 600 mA 1.2 A 4.3 A - - - 1.2 Ohms -40°C ~ 125°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)
B59960C0120A054

B59960C0120A054

PTC RESET FUSE 80V 250MA RADIAL

EPCOS - TDK Electronics

8,491 -
RFQ
B59960C0120A054

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 80V 250 mA 500 mA 4.3 A - - - 5.6 Ohms -40°C ~ 125°C - - - Through Hole 0.433" Dia x 0.138" T (11.00mm x 3.50mm) 0.571" (14.50mm) - 0.197" (5.00mm)
HVR250P145CF

HVR250P145CF

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

9,302 -
RFQ
HVR250P145CF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 145 mA 290 mA 3 A 2.5 s 3 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" Dia x 0.201" T (6.00mm x 5.10mm) 0.492" (12.50mm) - 0.217" (5.50mm)
HVR250P120UF

HVR250P120UF

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

3,040 -
RFQ
HVR250P120UF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 120 mA 240 mA 3 A 1 s 6 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" Dia x 0.201" T (6.00mm x 5.10mm) 0.394" (10.00mm) - 0.217" (5.50mm)
HVR250P120CRCF

HVR250P120CRCF

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

9,292 -
RFQ
HVR250P120CRCF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 120 mA 240 mA 3 A 850 ms 5.4 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.268" Dia x 0.201" T (6.80mm x 5.10mm) 0.492" (12.50mm) - 0.217" (5.50mm)
HVR250P180UF

HVR250P180UF

PTC RESET FUSE 60V 180MA RADIAL

Littelfuse Inc.

3,340 -
RFQ
HVR250P180UF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 180 mA 650 mA 10 A 15 s 800 mOhms 4 Ohms - -40°C ~ 85°C - - - Through Hole 0.409" L x 0.201" W (10.40mm x 5.10mm) 0.520" (13.20mm) - 0.217" (5.50mm)
HVR250P180CF

HVR250P180CF

PTC RESET FUSE 60V 180MA RADIAL

Littelfuse Inc.

2,826 -
RFQ
HVR250P180CF

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 180 mA 650 mA 3 A 21 s 800 mOhms 4 Ohms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.201" W (12.00mm x 5.10mm) 0.520" (13.20mm) - 0.217" (5.50mm)
HVR250P120CR2F

HVR250P120CR2F

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

2,110 -
RFQ
HVR250P120CR2F

Datasheet

Radial, Disc POLY-FUSE®, HVR250 Tape & Box (TB) Obsolete Polymeric 60V (250V Int) 120 mA 240 mA 3 A 700 ms 8 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.268" Dia x 0.201" T (6.80mm x 5.10mm) 0.492" (12.50mm) - 0.217" (5.50mm)
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