PRODUCT DIRECTORY

PTC Resettable Fuses

Browse available PTC Resettable Fuses components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.

If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.

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
TS120A-3851 Littelfuse Inc.

TS120A-3851

DUAL SINGLE SHOT TIMER

Littelfuse Inc.

2,769 -
Datasheet - - Box Active - - - - - - - - - - - - - - - - - -
RXE300 Littelfuse Inc.

RXE300

PTC RESET FUSE 72V 3A RADIAL

Littelfuse Inc.

9,500 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - - - - - Through Hole 0.941" Dia x 0.118" T (23.90mm x 3.00mm) 1.126" (28.60mm) - 0.400" (10.15mm)
RXE050 Littelfuse Inc.

RXE050

PTC RESET FUSE 72V 500MA RADIAL

Littelfuse Inc.

5,195 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 500 mA 1 A 40 A 4 s 500 mOhms 1.17 Ohms - - - - - Through Hole 0.311" Dia x 0.118" T (7.90mm x 3.00mm) 0.539" (13.70mm) - 0.199" (5.05mm)
RXE090 Littelfuse Inc.

RXE090

PTC RESET FUSE 72V 900MA RADIAL

Littelfuse Inc.

3,475 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 900 mA 1.8 A 40 A 7.2 s 200 mOhms 470 mOhms - - - - - Through Hole 0.441" Dia x 0.118" T (11.20mm x 3.00mm) 0.622" (15.80mm) - 0.199" (5.05mm)
RXE065 Littelfuse Inc.

RXE065

PTC RESET FUSE 60V 650MA RADIAL

Littelfuse Inc.

7,790 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 60V 650 mA 1.3 A 40 A 5.3 s 310 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.370" Dia x 0.118" T (9.40mm x 3.00mm) 0.571" (14.50mm) - 0.199" (5.05mm)
TR250-120 Littelfuse Inc.

TR250-120

PTC RESET FUSE 250V 120MA RADIAL

Littelfuse Inc.

2,527 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 250V (60V Int) 120 mA - 3 A 1.5 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
TR250-180U Littelfuse Inc.

TR250-180U

PTC RESET FUSE 180MA RADIAL

Littelfuse Inc.

3,265 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete - - 180 mA - - - - - - - - - - Through Hole 0.409" L x 0.142" W (10.40mm x 3.60mm) 0.496" (12.60mm) - 0.197" (5.00mm)
RUE800 Littelfuse Inc.

RUE800

PTC RESET FUSE 30V 8A RADIAL

Littelfuse Inc.

6,742 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 30V 8 A 16 A 40 A 18.8 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.850" L x 0.118" W (21.60mm x 3.00mm) 1.150" (29.20mm) - 0.402" (10.20mm)
RXE135 Littelfuse Inc.

RXE135

PTC RESET FUSE 60V 1.35A RADIAL

Littelfuse Inc.

5,919 -
Datasheet Radial, Disc PolySwitch®, RXE 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 0.118" T (14.50mm x 3.00mm) 0.752" (19.10mm) - 0.199" (5.05mm)
TR250-145U Littelfuse Inc.

TR250-145U

PTC RESET FUSE 250V 145MA RADIAL

Littelfuse Inc.

7,367 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 250V (60V Int) 145 mA - 3 A 2 s 3.5 Ohms 12 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)
TR250-120U Littelfuse Inc.

TR250-120U

PTC RESET FUSE 250V 120MA RADIAL

Littelfuse Inc.

9,079 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 250V (60V Int) 120 mA - 3 A 1 s 6 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.256" L x 0.181" W (6.50mm x 4.60mm) 0.433" (11.00mm) - 0.197" (5.00mm)
TR250-145 Littelfuse Inc.

TR250-145

PTC RESET FUSE 250V 145MA RADIAL

Littelfuse Inc.

5,297 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 250V (60V Int) 145 mA - 3 A 2.5 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) - 0.197" (5.00mm)
RXE075 Littelfuse Inc.

RXE075

PTC RESET FUSE 60V 750MA RADIAL

Littelfuse Inc.

5,246 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 250 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" Dia x 0.118" T (10.20mm x 3.00mm) 0.598" (15.20mm) - 0.199" (5.05mm)
RUE185 Littelfuse Inc.

RUE185

PTC RESET FUSE 30V 1.85A RADIAL

Littelfuse Inc.

8,338 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.201" (5.10mm)
RUE160 Littelfuse Inc.

RUE160

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

7,956 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 30V 1.6 A 3.2 A 40 A 8 s 30 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.201" (5.10mm)
RUE400 Littelfuse Inc.

RUE400

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

4,765 -
Datasheet Radial, Disc PolySwitch® Bulk Obsolete Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.120" W (14.00mm x 3.00mm) 0.831" (21.10mm) - 0.201" (5.10mm)
RXE030 Littelfuse Inc.

RXE030

PTC RESET FUSE 72V 300MA RADIAL

Littelfuse Inc.

5,958 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 300 mA 600 mA 40 A 3 s 880 mOhms 2.1 Ohms - - - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.199" (5.05mm)
RXE020 Littelfuse Inc.

RXE020

PTC RESET FUSE 72V 200MA RADIAL

Littelfuse Inc.

5,494 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - - - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.461" (11.70mm) - 0.199" (5.05mm)
RXE025 Littelfuse Inc.

RXE025

PTC RESET FUSE 72V 250MA RADIAL

Littelfuse Inc.

7,598 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 250 mA 500 mA 40 A 2.5 s 1.25 Ohms 3 Ohms - - - - - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.199" (5.05mm)
RXE040 Littelfuse Inc.

RXE040

PTC RESET FUSE 72V 400MA RADIAL

Littelfuse Inc.

3,509 -
Datasheet Radial, Disc PolySwitch®, RXE Bulk Obsolete Polymeric 72V 400 mA 800 mA 40 A 3.8 s 550 mOhms 1.29 Ohms - - - - - Through Hole 0.299" Dia x 0.118" T (7.60mm x 3.00mm) 0.532" (13.50mm) - 0.199" (5.05mm)
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COMPONENT SOURCING SUPPORT

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PTC Resettable Fuses FAQ

What PTC Resettable Fuses components can I source from EGOO?

You can browse available PTC Resettable Fuses product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.

Can EGOO help with hard-to-source or obsolete PTC Resettable Fuses parts?

Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.

Does EGOO support BOM and small-batch sourcing?

Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.

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Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.

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