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PTC Resettable Fuses

Compare the current PTC Resettable Fuses Circuit Protection selection by manufacturer, stock status, datasheet and technical parameters. Use these details to narrow the list to parts that match your design, maintenance or purchasing requirements.

For a specific MPN, package, electrical rating or quantity requirement, send the details to EGOO. We can help confirm availability, quotation and alternative sourcing options.

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
RGEF500K-AP Littelfuse Inc.

RGEF500K-AP

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

3,925 -
Datasheet Radial, Disc PolySwitch®, RGEF Cut Tape (CT) Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C - - - Through Hole 0.390" L x 0.098" W (9.90mm x 2.50mm) 0.563" (14.30mm) - 0.199" (5.05mm)
TRF250-183S-2 Littelfuse Inc.

TRF250-183S-2

PTC RESET FUSE 100V 183MA RADIAL

Littelfuse Inc.

2,842 -
Datasheet Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 100V (250V Int) 183 mA 685 mA 10 A 1.8 s 800 mOhms 3.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.295" Dia x 0.150" T (7.50mm x 3.80mm) 0.374" (9.50mm) - 0.197" (5.00mm)
PICOASMDCH016F-2 Littelfuse Inc.

PICOASMDCH016F-2

PPTC-MINI-PSW

Littelfuse Inc.

6,539 -
Datasheet 0805 (2012 Metric), Concave PolySwitch®, picoASMD Tape & Reel (TR) Active Polymeric 16V 160 mA 680 mA 40 A 100 ms 800 mOhms 6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.083" L x 0.055" W (2.10mm x 1.40mm) - 0.031" (0.80mm) -
TRF250-120UST-B-0.5 Littelfuse Inc.

TRF250-120UST-B-0.5

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

1,626 -
Datasheet Radial, Disc PolySwitch®, TRF250 Bag 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" L x 0.150" W (6.00mm x 3.80mm) 0.394" (10.00mm) - 0.197" (5.00mm)
MICROSMD190LR-2 Littelfuse Inc.

MICROSMD190LR-2

PTC RESET FUSE 6V 1.9A 1210

Littelfuse Inc.

3,000 -
Datasheet 1210 (3225 Metric), Concave PolySwitch®, LoRho Tape & Reel (TR) Obsolete Polymeric 6V 1.9 A 4.9 A 50 A 4 s 6 mOhms - - - - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
TRF250-145-2 Littelfuse Inc.

TRF250-145-2

PTC RESET FUSE 60V 145MA RADIAL

Littelfuse Inc.

1,700 -
Datasheet Radial, Disc PolySwitch®, TRF250 Tape & Reel (TR) Active Polymeric 60V (250V Int) 145 mA 290 mA 3 A 5 s 3 Ohms 14 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.200" (5.08mm)
PICOASMDCH050F-2 Littelfuse Inc.

PICOASMDCH050F-2

PPTC-MINI-PSW

Littelfuse Inc.

3,844 -
Datasheet 0805 (2012 Metric), Concave PolySwitch®, picoASMD Tape & Reel (TR) Active Polymeric 16V 500 mA 1.7 A 40 A 100 ms 250 mOhms 1.6 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.083" L x 0.055" W (2.10mm x 1.40mm) - 0.047" (1.20mm) -
AGRF500-2 Littelfuse Inc.

AGRF500-2

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

1,640 -
Datasheet Radial, Disc PolySwitch®, AGRF Tape & Reel (TR) Active Polymeric 16V 5 A 9.4 A 100 A 2.5 s 14 mOhms 34 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.614" (15.60mm) - 0.199" (5.05mm)
TRF250-120ST-RG-B-0.5 Littelfuse Inc.

TRF250-120ST-RG-B-0.5

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

1,904 -
Datasheet Radial, Disc PolySwitch®, TRF250 Bag Obsolete Polymeric 60V (250V Int) 120 mA 240 mA 3 A 2.5 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" L x 0.150" W (6.00mm x 3.80mm) 0.394" (10.00mm) - 0.197" (5.00mm)
MICROSMD500LR-2 Littelfuse Inc.

MICROSMD500LR-2

PTC RESET FUSE 6V 5A 1210

Littelfuse Inc.

2,662 -
Datasheet 1210 (3225 Metric), Concave PolySwitch®, microSMD Tape & Reel (TR) Obsolete Polymeric 6V 5 A 10 A 50 A 2 s 2 mOhms 7 mOhms - -40°C ~ 80°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.039" (1.00mm) -
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PTC Resettable Fuses FAQ

How can I narrow the current PTC Resettable Fuses selection?

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Yes. Send the manufacturer part number and required quantity to our sourcing team for availability, lead-time and alternative sourcing support.

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