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PTC Resettable Fuses

Browse available PTC Resettable Fuses part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.

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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 OptiFuse

RS90-185

PTC RESET FUSE 72V 1.85A RADIAL

OptiFuse

469 -
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 OptiFuse

RS16HT-300

PTC RESET FUSE 16V 3A RADIAL

OptiFuse

799 -
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 EPCOS - TDK Electronics

B59884C0120A054

PTC RESET FUSE 420V 21MA RADIAL

EPCOS - TDK Electronics

5,256 -
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 Vishay Beyschlag/Draloric/BC Components

PTCCL11H321FTE

PTC RESET FUSE 145V 320MA RADIAL

Vishay Beyschlag/Draloric/BC Components

2,834 -
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 Vishay Beyschlag/Draloric/BC Components

PTCCL11H251HTE

PTC RESET FUSE 265V 250MA RADIAL

Vishay Beyschlag/Draloric/BC Components

2,711 -
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 Vishay Beyschlag/Draloric/BC Components

PTCCL13H411FTE

PTC RESET FUSE 145V 410MA RADIAL

Vishay Beyschlag/Draloric/BC Components

1,311 -
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 Vishay Beyschlag/Draloric/BC Components

PTCCL13H451FTE

PTC RESET FUSE 145V 450MA RADIAL

Vishay Beyschlag/Draloric/BC Components

489 -
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 Vishay Beyschlag/Draloric/BC Components

PTCCL11H211HTE

PTC RESET FUSE 265V 210MA RADIAL

Vishay Beyschlag/Draloric/BC Components

322 -
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 OptiFuse

RS60SB-250

PTC RESET FUSE 60V 2.5A RADIAL

OptiFuse

6,079 -
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 OptiFuse

RS16-800

PTC RESET FUSE 16V 8A RADIAL

OptiFuse

1,999 -
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 Bourns Inc.

MF-PSML150-2

PTC RESET FUSE 6V 1.5A 0805

Bourns Inc.

6,422 -
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 Bourns Inc.

MF-PSML200-2

PTC RESET FUSE 6V 2A 0805

Bourns Inc.

9,594 -
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 Littelfuse Inc.

1210L050/30WR-A

PTC 30V POLYFUSE SMT 1210 0.5A

Littelfuse Inc.

5,401 -
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 OptiFuse

RS120-110

PTC RESET FUSE 120V 1.1A RADIAL

OptiFuse

819 -
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 Littelfuse Inc.

TS250-130F-B-0.5-2

PPTC-TLINE-PSW

Littelfuse Inc.

14,927 -
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 OptiFuse

RS30-600

PTC RESET FUSE 30V 6A RADIAL

OptiFuse

276 -
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 OptiFuse

RS90-300

PTC RESET FUSE 72V 3A RADIAL

OptiFuse

499 -
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 OptiFuse

RS30-700

PTC RESET FUSE 30V 7A RADIAL

OptiFuse

1,747 -
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 OptiFuse

RS90-375

PTC RESET FUSE 72V 3.75A RADIAL

OptiFuse

499 -
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 OptiFuse

RS16HT-550

PTC RESET FUSE 16V 5.5A RADIAL

OptiFuse

699 -
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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PTC Resettable Fuses FAQ

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What should I check when selecting PTC Resettable Fuses components?

Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.

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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.

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Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.

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Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.