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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
1206L012/48WR Littelfuse Inc.

1206L012/48WR

PTC RESET FUSE 48V 125MA 1206

Littelfuse Inc.

10,635 -
Datasheet 1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 48V 125 mA 290 mA 10 A 200 ms 1.5 Ohms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.049" (1.25mm) -
MINISMDC150F/24-2 Littelfuse Inc.

MINISMDC150F/24-2

PTC RESET FUSE 24V 1.5A 1812

Littelfuse Inc.

5,805 -
Datasheet 1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 24V 1.5 A 3 A 20 A 1.5 s 40 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.076" (1.94mm) -
1812L150/12DR Littelfuse Inc.

1812L150/12DR

PTC RESET FUSE 12V 1.5A 1812

Littelfuse Inc.

4,178 -
Datasheet 1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 12V 1.5 A 3 A 100 A 500 ms 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
SMD075F-2 Littelfuse Inc.

SMD075F-2

PTC RESET FUSE 30V 750MA 2SMD

Littelfuse Inc.

53,952 -
Datasheet 2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 30V 750 mA 1.5 A 40 A 300 ms 350 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.125" (3.18mm) -
MF-MSMF250/16X-2 Bourns Inc.

MF-MSMF250/16X-2

PTC RESET FUSE 16V 2.5A 1812

Bourns Inc.

40,655 -
Datasheet 1812 (4532 Metric), Concave Multifuse®, MF-MSMF Tape & Reel (TR) Active Polymeric 16V 2.5 A 5 A 100 A 5 s 15 mOhms 100 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.033" (0.85mm) -
SMD050F-2 Littelfuse Inc.

SMD050F-2

PTC RESET FUSE 60V 500MA 2SMD

Littelfuse Inc.

22,566 -
Datasheet 2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 60V 500 mA 1 A 10 A 4 s 350 mOhms 1.4 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.125" (3.18mm) -
SMD030F-2 Littelfuse Inc.

SMD030F-2

PTC RESET FUSE 60V 300MA 2SMD

Littelfuse Inc.

20,270 -
Datasheet 2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 60V 300 mA 600 mA 10 A 3 s 1.2 Ohms 4.8 Ohms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.125" (3.18mm) -
2920L700/12MR Littelfuse Inc.

2920L700/12MR

PTC RESET FUSE 12V 7A 2920

Littelfuse Inc.

8,997 -
Datasheet 2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 12V 7 A 14 A 50 A 2 s 3 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.063" (1.60mm) -
MINISMDC260F/12-2 Littelfuse Inc.

MINISMDC260F/12-2

PTC RESET FUSE 12V 2.6A 1812

Littelfuse Inc.

27,795 -
Datasheet 1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 12V 2.6 A 5 A 100 A 5 s 15 mOhms 47 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.060" (1.52mm) -
RUEF300K-2 Littelfuse Inc.

RUEF300K-2

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

2,280 -
Datasheet Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.710" (18.03mm) - 0.199" (5.05mm)
RUEF300-2 Littelfuse Inc.

RUEF300-2

PTC RESET FUSE 30V 3A RADIAL

Littelfuse Inc.

1,998 -
Datasheet Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 3 A 6 A 100 A 10.8 s 20 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.650" (16.50mm) - 0.199" (5.05mm)
MINISMDC260F/16-2 Littelfuse Inc.

MINISMDC260F/16-2

PTC RESET FUSE 16V 2.6A 1812

Littelfuse Inc.

9,549 -
Datasheet 1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 16V 2.6 A 5 A 100 A 5 s 15 mOhms 50 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.060" (1.52mm) -
MINISMDC075F/33-2 Littelfuse Inc.

MINISMDC075F/33-2

PTC RESET FUSE 33V 750MA 1812

Littelfuse Inc.

3,779 -
Datasheet 1812 (4532 Metric) PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 33V 750 mA 1.6 A 100 A 1 s 110 mOhms 390 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.057" (1.46mm) -
SMD150F/33-2 Littelfuse Inc.

SMD150F/33-2

PTC RESET FUSE 33V 1.5A 2SMD

Littelfuse Inc.

52,656 -
Datasheet 2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 33V 1.5 A 3 A 40 A 5 s 80 mOhms 230 mOhms - -40°C ~ 85°C - - - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) - 0.118" (3.00mm) -
0ZCF0110AF2A Bel Fuse Inc.

0ZCF0110AF2A

PTC RESET FUSE 60V 1.1A 2920

Bel Fuse Inc.

41,256 -
Datasheet 2920 (7351 Metric), Concave 0ZCF Tape & Reel (TR) Active Polymeric 60V 1.1 A 2.2 A 100 A 500 ms 90 mOhms 410 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.067" (1.70mm) -
0ZCF0100AF2A Bel Fuse Inc.

0ZCF0100AF2A

PTC RESET FUSE 60V 1A 2920

Bel Fuse Inc.

38,402 -
Datasheet 2920 (7351 Metric), Concave 0ZCF Tape & Reel (TR) Active Polymeric 60V 1 A 2 A 100 A 500 ms 90 mOhms 410 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.067" (1.70mm) -
SMD200F-2 Littelfuse Inc.

SMD200F-2

PTC RESET FUSE 15V 2A 2SMD

Littelfuse Inc.

24,655 -
Datasheet 2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 15V 2 A 4 A 40 A 12 s 50 mOhms 125 mOhms - -40°C ~ 85°C - - - Surface Mount 0.343" L x 0.250" W (8.70mm x 6.36mm) - 0.118" (3.00mm) -
0ZCF0300BF2C Bel Fuse Inc.

0ZCF0300BF2C

PTC RESET FUSE 24V 3A 2920

Bel Fuse Inc.

10,753 -
Datasheet 2920 (7351 Metric), Concave 0ZCF Tape & Reel (TR) Active Polymeric 24V 3 A 5.2 A 100 A 20 s 10 mOhms 48 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.067" (1.70mm) -
1812L150/24MR Littelfuse Inc.

1812L150/24MR

PTC RESET FUSE 24V 1.5A 1812

Littelfuse Inc.

6,312 -
Datasheet 1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 24V 1.5 A 3 A 20 A 1.5 s 40 mOhms 120 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.071" (1.80mm) -
RXEF160 Littelfuse Inc.

RXEF160

PTC RESET FUSE 72V 1.6A RADIAL

Littelfuse Inc.

20,886 -
Datasheet Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 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 0.118" T (16.30mm x 3.00mm) 0.819" (20.80mm) - 0.199" (5.05mm)
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FREQUENTLY ASKED QUESTIONS

PTC Resettable Fuses FAQ

Common questions about selecting, comparing and sourcing PTC Resettable Fuses components through Winsun (HK) Electronics.

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.

Can Winsun help source specific PTC Resettable Fuses part numbers?

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.

Do you support shortage, obsolete or hard-to-find PTC Resettable Fuses parts?

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

How do I request a quote for PTC Resettable Fuses components?

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.