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
PFRA.110.3

PFRA.110.3

PTC RESET FUSE 30V 1.1A RADIAL

SCHURTER Inc.

5,684 -
RFQ
PFRA.110.3

Datasheet

Radial, Disc PFRA Tape & Box (TB) Obsolete Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 100 mOhms 270 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.551" (14.00mm) - 0.201" (5.10mm)
PFRA.160.3

PFRA.160.3

PTC RESET FUSE 30V 1.6A RADIAL

SCHURTER Inc.

9,763 -
RFQ
PFRA.160.3

Datasheet

Radial, Disc PFRA Tape & Box (TB) Obsolete Polymeric 30V 1.6 A 3.2 A 40 A 8 s 55 mOhms 150 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" Dia x 0.118" T (10.20mm x 3.00mm) 0.661" (16.80mm) - 0.201" (5.10mm)
PFLT.260

PFLT.260

PTC RESET FUSE 24V 2.6A STRAP

SCHURTER Inc.

5,762 -
RFQ
PFLT.260

Datasheet

Strap PFLT Bulk Obsolete Polymeric 24V 2.6 A 5.2 A 100 A 5 s 25 mOhms 76 mOhms - -45°C ~ 85°C - - - User Defined 0.984" L x 0.447" W (25.00mm x 11.35mm) - 0.039" (1.00mm) -
PFLT.300

PFLT.300

PTC RESET FUSE 24V 3A STRAP

SCHURTER Inc.

5,523 -
RFQ
PFLT.300

Datasheet

Strap PFLT Bulk Obsolete Polymeric 24V 3 A 6.3 A 100 A 4 s 15 mOhms 55 mOhms - -45°C ~ 85°C - - - User Defined 1.185" L x 0.532" W (30.10mm x 13.50mm) - 0.043" (1.10mm) -
PFRA.250.3

PFRA.250.3

PTC RESET FUSE 30V 2.5A RADIAL

SCHURTER Inc.

8,328 -
RFQ
PFRA.250.3

Datasheet

Radial, Disc PFRA Tape & Box (TB) Obsolete Polymeric 30V 2.5 A 5 A 40 A 10.3 s 25 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
PFRX.110

PFRX.110

PTC RESET FUSE 60V 1.1A RADIAL

SCHURTER Inc.

7,074 -
RFQ
PFRX.110

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.122" T (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
PFRX.135

PFRX.135

PTC RESET FUSE 60V 1.35A RADIAL

SCHURTER Inc.

8,384 -
RFQ
PFRX.135

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.571" Dia x 0.122" T (14.50mm x 3.10mm) 0.772" (19.60mm) - 0.201" (5.10mm)
PFRA.300.3

PFRA.300.3

PTC RESET FUSE 30V 3A RADIAL

SCHURTER Inc.

2,699 -
RFQ
PFRA.300.3

Datasheet

Radial, Disc PFRA Tape & Box (TB) Obsolete Polymeric 30V 3 A 6 A 40 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" L x 0.118" W (12.00mm x 3.00mm) 0.720" (18.30mm) - 0.201" (5.10mm)
PFRX.135.3

PFRX.135.3

PTC RESET FUSE 60V 1.35A RADIAL

SCHURTER Inc.

2,345 -
RFQ
PFRX.135.3

Datasheet

Radial, Disc PFRX Tape & Box (TB) Obsolete Polymeric 60V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.571" Dia x 0.122" T (14.50mm x 3.10mm) 0.772" (19.60mm) - 0.201" (5.10mm)
PFRX.160

PFRX.160

PTC RESET FUSE 60V 1.6A RADIAL

SCHURTER Inc.

9,628 -
RFQ
PFRX.160

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia x 0.122" T (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
PFRX.110.3

PFRX.110.3

PTC RESET FUSE 60V 1.1A RADIAL

SCHURTER Inc.

7,107 -
RFQ
PFRX.110.3

Datasheet

Radial, Disc PFRX Tape & Box (TB) Obsolete Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.122" T (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
PFRX.185

PFRX.185

PTC RESET FUSE 60V 1.85A RADIAL

SCHURTER Inc.

4,651 -
RFQ
PFRX.185

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia x 0.122" T (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
PFRA.400.3

PFRA.400.3

PTC RESET FUSE 30V 4A RADIAL

SCHURTER Inc.

7,935 -
RFQ
PFRA.400.3

Datasheet

Radial, Disc PFRA Tape & Box (TB) Obsolete 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)
PFRX.250

PFRX.250

PTC RESET FUSE 60V 2.5A RADIAL

SCHURTER Inc.

7,723 -
RFQ
PFRX.250

Datasheet

Radial, Disc PFRX Bulk Obsolete Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" Dia x 0.122" T (21.30mm x 3.10mm) 1.039" (26.40mm) - 0.402" (10.20mm)
PFRX.160.3

PFRX.160.3

PTC RESET FUSE 60V 1.6A RADIAL

SCHURTER Inc.

4,809 -
RFQ
PFRX.160.3

Datasheet

Radial, Disc PFRX Tape & Box (TB) Obsolete Polymeric 60V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia x 0.122" T (16.30mm x 3.10mm) 0.839" (21.30mm) - 0.201" (5.10mm)
PFRT.008.250

PFRT.008.250

PTC RESET FUSE 60V 80MA RADIAL

SCHURTER Inc.

6,878 -
RFQ
PFRT.008.250

Datasheet

Radial, Disc PFRT Bulk Obsolete Polymeric 60V (250V Int) 80 mA - 3 A - 15 Ohms 33 Ohms - -45°C ~ 85°C - - - Through Hole 0.209" L x 0.197" W (5.30mm x 5.00mm) 0.366" (9.30mm) - 0.201" (5.10mm)
PFRX.185.3

PFRX.185.3

PTC RESET FUSE 60V 1.85A RADIAL

SCHURTER Inc.

9,961 -
RFQ
PFRX.185.3

Datasheet

Radial, Disc PFRX Tape & Box (TB) Obsolete Polymeric 60V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.701" Dia x 0.122" T (17.80mm x 3.10mm) 0.902" (22.90mm) - 0.201" (5.10mm)
PFLR.550

PFLR.550

PTC RESET FUSE 10V 5.5A STRAP

SCHURTER Inc.

3,174 -
RFQ
PFLR.550

Datasheet

Strap PFLR Bulk Obsolete Polymeric 10V 5.5 A 10.5 A 100 A 5 s 9 mOhms 22 mOhms - -45°C ~ 85°C - - - User Defined 1.417" L x 0.283" W (36.00mm x 7.20mm) - - -
PFLR.450

PFLR.450

PTC RESET FUSE 10V 4.5A STRAP

SCHURTER Inc.

7,985 -
RFQ
PFLR.450

Datasheet

Strap PFLR Bulk Obsolete Polymeric 10V 4.5 A 8.9 A 100 A 5 s 11 mOhms 28 mOhms - -45°C ~ 85°C - - - User Defined 0.984" L x 0.402" W (25.00mm x 10.21mm) - 0.039" (1.00mm) -
PFVS.210

PFVS.210

PTC RESET FUSE 16V 2.1A STRAP

SCHURTER Inc.

4,406 -
RFQ
PFVS.210

Datasheet

Strap PFVS Bulk Obsolete Polymeric 16V 2.1 A 4.7 A 100 A 5 s 18 mOhms 60 mOhms - -40°C ~ 85°C - - - User Defined 0.878" L x 0.201" W (22.30mm x 5.10mm) - 0.032" (0.80mm) -
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