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
PFLR.600

PFLR.600

PTC RESET FUSE 10V 6A STRAP

SCHURTER Inc.

4,073 -
RFQ
PFLR.600

Datasheet

Strap PFLR Bulk Obsolete Polymeric 10V 6 A 11.7 A 100 A 5 s 7 mOhms 16 mOhms - -45°C ~ 85°C - - - User Defined 0.984" L x 0.559" W (25.00mm x 14.20mm) - - -
PFVS.170

PFVS.170

PTC RESET FUSE 16V 1.7A STRAP

SCHURTER Inc.

5,149 -
RFQ
PFVS.170

Datasheet

Strap PFVS Bulk Obsolete Polymeric 16V 1.7 A 3.4 A 100 A 3 s 30 mOhms 105 mOhms - -40°C ~ 85°C - - - User Defined 0.679" L x 0.201" W (17.25mm x 5.10mm) - 0.032" (0.80mm) -
PFRX.300

PFRX.300

PTC RESET FUSE 60V 3A RADIAL

SCHURTER Inc.

3,525 -
RFQ
PFRX.300

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.980" Dia x 0.122" T (24.90mm x 3.10mm) 1.181" (30.00mm) - 0.402" (10.20mm)
PFLR.730

PFLR.730

PTC RESET FUSE 10V 7.3A STRAP

SCHURTER Inc.

8,180 -
RFQ
PFLR.730

Datasheet

Strap PFLR Bulk Obsolete Polymeric 10V 7.3 A 14.1 A 100 A 5 s 6 mOhms 15 mOhms - -45°C ~ 85°C - - - User Defined 1.085" L x 0.559" W (27.55mm x 14.20mm) - - -
PFRX.375

PFRX.375

PTC RESET FUSE 60V 3.75A RADIAL

SCHURTER Inc.

4,327 -
RFQ
PFRX.375

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.118" Dia x 0.122" T (28.40mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
PFRT.018.250.U

PFRT.018.250.U

PTC RESET FUSE 60V 180MA RADIAL

SCHURTER Inc.

3,094 -
RFQ
PFRT.018.250.U

Datasheet

Radial, Disc PFRT Bulk Obsolete Polymeric 60V (250V Int) 180 mA - 10 A - 800 mOhms 4 Ohms - -45°C ~ 85°C - - - Through Hole 0.236" L x 0.197" W (6.00mm x 5.00mm) 0.394" (10.00mm) - 0.201" (5.10mm)
B59830C80A70

B59830C80A70

PTC RESET FUSE 265V 250MA RADIAL

EPCOS - TDK Electronics

8,489 -
RFQ

-

Radial, Disc - Bulk Obsolete Ceramic 265V 250 mA 510 mA 7 A - - - - 0°C ~ 60°C - - - Through Hole 0.689" Dia x 0.197" T (17.50mm x 5.00mm) 0.827" (21.00mm) - 0.197" (5.00mm)
B59940C80A70

B59940C80A70

PTC RESET FUSE 80V 245MA RADIAL

EPCOS - TDK Electronics

7,165 -
RFQ
B59940C80A70

Datasheet

Radial, Disc - Bulk Obsolete Ceramic 80V 245 mA 500 mA 8 A - - - 2.3 Ohms -40°C ~ 85°C - - - Through Hole 0.866" Dia x 0.138" T (22.00mm x 3.50mm) 1.004" (25.50mm) - 0.197" (5.00mm)
B59935C0160A070

B59935C0160A070

PTC RESET FUSE 20V 2.1A RADIAL

EPCOS - TDK Electronics

8,356 -
RFQ
B59935C0160A070

Datasheet

Radial, Disc - Bulk Obsolete Ceramic 20V 2.1 A 4.15 A 10 A - - - 300 mOhms -40°C ~ 85°C - - - Through Hole 0.866" Dia x 0.138" T (22.00mm x 3.50mm) 1.004" (25.50mm) - 0.197" (5.00mm)
B59860C120A54

B59860C120A54

PTC RESET FUSE 265V 140MA RADIAL

EPCOS - TDK Electronics

2,286 -
RFQ
B59860C120A54

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 140 mA 280 mA 1.5 A - - - 15 Ohms 0°C ~ 60°C - - - Through Hole 0.433" Dia x 0.197" T (11.00mm x 5.00mm) 0.571" (14.50mm) - 0.197" (5.00mm)
B59955C0120A051

B59955C0120A051

PTC RESET FUSE 30V 850MA RADIAL

EPCOS - TDK Electronics

8,361 -
RFQ
B59955C0120A051

Datasheet

Radial, Disc B59955 Tape & Reel (TR) Obsolete Ceramic 30V 850 mA 1.7 A 5.5 A - - - 800 mOhms -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.532" Dia x 0.138" T (13.50mm x 3.50mm) 0.669" (17.00mm) - 0.197" (5.00mm)
B59945C0120A051

B59945C0120A051

PTC RESET FUSE 30V 1.3A RADIAL

EPCOS - TDK Electronics

8,950 -
RFQ
B59945C0120A051

Datasheet

Radial, Disc B59945 Tape & Reel (TR) Obsolete Ceramic 30V 1.3 A 2.6 A 8 A - - - 450 mOhms -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.689" Dia x 0.138" T (17.50mm x 3.50mm) 0.827" (21.00mm) - 0.197" (5.00mm)
B59860C160A51

B59860C160A51

PTC RESET FUSE 160V 180MA RADIAL

EPCOS - TDK Electronics

9,668 -
RFQ

-

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 160V 180 mA 360 mA 1.5 A - - - 15 Ohms 0°C ~ 60°C - - - Through Hole 0.433" Dia x 0.197" T (11.00mm x 5.00mm) 0.571" (14.50mm) - 0.197" (5.00mm)
B59880C0120A054

B59880C0120A054

PTC RESET FUSE 265V 55MA RADIAL

EPCOS - TDK Electronics

3,489 -
RFQ
B59880C0120A054

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 55 mA 110 mA 400 mA - - - 70 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)
B59874C0120A051

B59874C0120A051

PTC RESET FUSE 265V 60MA RADIAL

EPCOS - TDK Electronics

2,441 -
RFQ
B59874C0120A051

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 60 mA 125 mA 1 A - - - 55 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)
B59875C0120A051

B59875C0120A051

PTC RESET FUSE 265V 55MA RADIAL

EPCOS - TDK Electronics

7,739 -
RFQ
B59875C0120A051

Datasheet

Radial, Disc - Tape & Reel (TR) Obsolete Ceramic 265V 55 mA 110 mA 1 A - - - 65 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)
B59890C0080A054

B59890C0080A054

PTC RESET FUSE 265V 15MA RADIAL

EPCOS - TDK Electronics

5,374 -
RFQ
B59890C0080A054

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)
B59870C160A51

B59870C160A51

PTC RESET FUSE 160V 125MA RADIAL

EPCOS - TDK Electronics

9,652 -
RFQ
B59870C160A51

Datasheet

Radial, Disc - Tape & Reel (TR) Active Ceramic 160V 125 mA 250 mA 1 A - - - 25 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)
B59995C0160A051

B59995C0160A051

PTC RESET FUSE 20V 150MA RADIAL

EPCOS - TDK Electronics

6,140 -
RFQ
B59995C0160A051

Datasheet

Radial, Disc B59995 Tape & Reel (TR) Obsolete Ceramic 20V 150 mA 300 mA 700 mA - - - 13 Ohms -40°C ~ 85°C - - - Through Hole 0.157" Dia x 0.138" T (4.00mm x 3.50mm) 0.295" (7.50mm) - 0.197" (5.00mm)
B59970C0080A051

B59970C0080A051

PTC RESET FUSE 80V 90MA RADIAL

EPCOS - TDK Electronics

7,742 -
RFQ
B59970C0080A051

Datasheet

Radial, Disc B59970 Tape & Reel (TR) Obsolete Ceramic 80V 90 mA 190 mA 3 A - - - 9.4 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)
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