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
RS90-185

RS90-185

PTC RESET FUSE 72V 1.85A RADIAL

OptiFuse

469 -
RFQ
RS90-185

Datasheet

Radial, Disc RS90 Bulk Active Polymeric 72V (90V Int) 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)
RS16HT-300

RS16HT-300

PTC RESET FUSE 16V 3A RADIAL

OptiFuse

799 -
RFQ
RS16HT-300

Datasheet

Radial, Disc RS16HT Bulk Active Polymeric 16V 3 A 6 A 100 A 5 s 33 mOhms 79 mOhms - -40°C ~ 125°C - - - Through Hole 0.346" L x 0.118" W (8.80mm x 3.00mm) 0.543" (13.80mm) - 0.201" (5.10mm)
B59884C0120A054

B59884C0120A054

PTC RESET FUSE 420V 21MA RADIAL

EPCOS - TDK Electronics

5,256 -
RFQ
B59884C0120A054

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)
PTCCL11H321FTE

PTCCL11H321FTE

PTC RESET FUSE 145V 320MA RADIAL

Vishay Beyschlag/Draloric/BC Components

2,834 -
RFQ
PTCCL11H321FTE

Datasheet

Radial, Disc PTCCL - 145V Tape & Reel (TR) Active Ceramic 145V 320 mA 480 mA 3 A - - - 6.7 Ohms 0°C ~ 70°C - - - Through Hole 0.413" Dia x 0.197" T (10.50mm x 5.00mm) 0.610" (15.50mm) - 0.197" (5.00mm)
PTCCL11H251HTE

PTCCL11H251HTE

PTC RESET FUSE 265V 250MA RADIAL

Vishay Beyschlag/Draloric/BC Components

2,711 -
RFQ
PTCCL11H251HTE

Datasheet

Radial, Disc PTCCL - 265V Tape & Reel (TR) Active Ceramic 265V 250 mA 375 mA 1.5 A - - - 12 Ohms 0°C ~ 70°C - - - Through Hole 0.413" Dia x 0.217" T (10.50mm x 5.50mm) 0.610" (15.50mm) - 0.197" (5.00mm)
PTCCL13H411FTE

PTCCL13H411FTE

PTC RESET FUSE 145V 410MA RADIAL

Vishay Beyschlag/Draloric/BC Components

1,311 -
RFQ
PTCCL13H411FTE

Datasheet

Radial, Disc PTCCL - 145V Tape & Reel (TR) Active Ceramic 145V 410 mA 615 mA 4.5 A - - - 4.6 Ohms 0°C ~ 70°C - - - Through Hole 0.492" Dia x 0.197" T (12.50mm x 5.00mm) 0.689" (17.50mm) - 0.197" (5.00mm)
PTCCL13H451FTE

PTCCL13H451FTE

PTC RESET FUSE 145V 450MA RADIAL

Vishay Beyschlag/Draloric/BC Components

489 -
RFQ
PTCCL13H451FTE

Datasheet

Radial, Disc PTCCL - 145V Tape & Reel (TR) Active Ceramic 145V 450 mA 675 mA 5 A - - - 3.8 Ohms 0°C ~ 70°C - - - Through Hole 0.492" Dia x 0.197" T (12.50mm x 5.00mm) 0.689" (17.50mm) - 0.197" (5.00mm)
PTCCL11H211HTE

PTCCL11H211HTE

PTC RESET FUSE 265V 210MA RADIAL

Vishay Beyschlag/Draloric/BC Components

322 -
RFQ
PTCCL11H211HTE

Datasheet

Radial, Disc PTCCL - 265V Tape & Reel (TR) Active Ceramic 265V 210 mA 315 mA 1.3 A - - - 17 Ohms 0°C ~ 70°C - - - Through Hole 0.413" Dia x 0.217" T (10.50mm x 5.50mm) 0.610" (15.50mm) - 0.197" (5.00mm)
RS60SB-250

RS60SB-250

PTC RESET FUSE 60V 2.5A RADIAL

OptiFuse

6,079 -
RFQ
RS60SB-250

Datasheet

Radial, Disc RS60SB Bulk Active Polymeric 60V 2.5 A 5 A 40 A 15.6 s 40 mOhms 140 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.811" (20.60mm) - 0.201" (5.10mm)
RS16-800

RS16-800

PTC RESET FUSE 16V 8A RADIAL

OptiFuse

1,999 -
RFQ
RS16-800

Datasheet

Radial, Disc RS16 Bulk Active Polymeric 16V 8 A 13.6 A 100 A 9 s 5 mOhms 18 mOhms - -40°C ~ 85°C - - - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.823" (20.90mm) - 0.201" (5.10mm)
MF-PSML150-2

MF-PSML150-2

PTC RESET FUSE 6V 1.5A 0805

Bourns Inc.

6,422 -
RFQ
MF-PSML150-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML Tape & Reel (TR) Obsolete Polymeric 6V - - - - 15 mOhms - - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.024" (0.60mm) -
MF-PSML200-2

MF-PSML200-2

PTC RESET FUSE 6V 2A 0805

Bourns Inc.

9,594 -
RFQ
MF-PSML200-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML Tape & Reel (TR) Obsolete Polymeric 6V - - - - - - - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.024" (0.60mm) -
1210L050/30WR-A

1210L050/30WR-A

PTC 30V POLYFUSE SMT 1210 0.5A

Littelfuse Inc.

5,401 -
RFQ
1210L050/30WR-A

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 30V 500 mA 1 A 40 A 150 ms 220 mOhms 900 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount - - 0.049" (1.25mm) -
RS120-110

RS120-110

PTC RESET FUSE 120V 1.1A RADIAL

OptiFuse

819 -
RFQ
RS120-110

Datasheet

Radial, Disc RS120 Bulk Active Polymeric 120V (135V Int) 1.1 A 2.2 A 8 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.524" Dia x 0.161" T (13.30mm x 4.10mm) 0.720" (18.30mm) - 0.201" (5.10mm)
TS250-130F-B-0.5-2

TS250-130F-B-0.5-2

PPTC-TLINE-PSW

Littelfuse Inc.

14,927 -
RFQ
TS250-130F-B-0.5-2

Datasheet

2-SMD TS Tape & Reel (TR) Active Polymeric 60V (600V Int) 130 mA 260 mA 3 A 900 ms 6.5 Ohms 20 Ohms - -40°C ~ 85°C - - - Surface Mount 0.352" L x 0.291" W (8.95mm x 7.40mm) - 0.134" (3.40mm) -
RS30-600

RS30-600

PTC RESET FUSE 30V 6A RADIAL

OptiFuse

276 -
RFQ
RS30-600

Datasheet

Radial, Disc RS30 Bulk Active Polymeric 30V 6 A 12 A 100 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
RS90-300

RS90-300

PTC RESET FUSE 72V 3A RADIAL

OptiFuse

499 -
RFQ
RS90-300

Datasheet

Radial, Disc RS90 Bulk Active Polymeric 72V (90V Int) 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)
RS30-700

RS30-700

PTC RESET FUSE 30V 7A RADIAL

OptiFuse

1,747 -
RFQ
RS30-700

Datasheet

Radial, Disc RS30 Bulk Active Polymeric 30V 7 A 14 A 100 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Through Hole 0.752" L x 0.118" W (19.10mm x 3.00mm) 1.051" (26.70mm) - 0.402" (10.20mm)
RS90-375

RS90-375

PTC RESET FUSE 72V 3.75A RADIAL

OptiFuse

499 -
RFQ
RS90-375

Datasheet

Radial, Disc RS90 Bulk Active Polymeric 72V (90V Int) 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 1.122" Dia x 0.122" T (28.50mm x 3.10mm) 1.319" (33.50mm) - 0.402" (10.20mm)
RS16HT-550

RS16HT-550

PTC RESET FUSE 16V 5.5A RADIAL

OptiFuse

699 -
RFQ
RS16HT-550

Datasheet

Radial, Disc RS16HT Bulk Active Polymeric 16V 5.5 A 10 A 100 A 6 s 15 mOhms 37 mOhms - -40°C ~ 125°C - - - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
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