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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.

For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.

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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
PRG21BC4R7MS5RA Murata Electronics

PRG21BC4R7MS5RA

PTC RESET FUSE

Murata Electronics

3,716 -
Datasheet - * Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
MF-MSMD020-2 Bourns Inc.

MF-MSMD020-2

PTC RESET FUSE 30V 200MA 1812

Bourns Inc.

3,239 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 30V 200 mA 400 mA 80 A 60 ms 400 mOhms 6 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.027" W (4.55mm x 0.68mm) - 0.134" (3.41mm) -
MF-MSMD050-2 Bourns Inc.

MF-MSMD050-2

PTC RESET FUSE 15V 500MA 1812

Bourns Inc.

3,048 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 15V 500 mA 1 A 100 A 150 ms 150 mOhms 1 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.020" W (4.55mm x 0.50mm) - 0.134" (3.41mm) -
MF-MSMD075-2 Bourns Inc.

MF-MSMD075-2

PTC RESET FUSE 13.2V 750MA 1812

Bourns Inc.

3,525 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 13.2V 750 mA 1.5 A 100 A 200 ms 110 mOhms 450 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.020" W (4.55mm x 0.50mm) - 0.134" (3.41mm) -
MF-MSMD110-2 Bourns Inc.

MF-MSMD110-2

PTC RESET FUSE 6V 1.1A 1812

Bourns Inc.

6,481 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 6V 1.1 A 2.2 A 100 A 300 ms 40 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.020" W (4.55mm x 0.50mm) - 0.134" (3.41mm) -
MF-MSMD014-2 Bourns Inc.

MF-MSMD014-2

PTC RESET FUSE 60V 140MA 1812

Bourns Inc.

3,831 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 60V 140 mA 340 mA 40 A 150 ms 400 mOhms 6.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.027" W (4.55mm x 0.68mm) - 0.134" (3.41mm) -
MF-MSMD125-2 Bourns Inc.

MF-MSMD125-2

PTC RESET FUSE 6V 1.25A 1812

Bourns Inc.

5,713 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 6V 1.25 A 2.5 A 100 A 400 ms 35 mOhms 140 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.015" W (4.55mm x 0.39mm) - 0.134" (3.41mm) -
MF-MSMD150-2 Bourns Inc.

MF-MSMD150-2

PTC RESET FUSE 6V 1.5A 1812

Bourns Inc.

7,071 -
Datasheet 1812 (4532 Metric) Multifuse®, MF-MSMD Tape & Reel (TR) Obsolete Polymeric 6V 1.5 A 3 A 100 A 500 ms 30 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.015" W (4.55mm x 0.39mm) - 0.134" (3.41mm) -
1812L125DR Littelfuse Inc.

1812L125DR

PTC RESET FUSE 15V 1.25A 1812

Littelfuse Inc.

8,217 -
Datasheet 1812 (4532 Metric), Concave POLY-FUSE®, 1812L Digi-Reel® Obsolete Polymeric 15V 1.25 A 2.5 A 100 A 0.4 s 50 mOhms 140 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.049" (1.25mm) -
16R090BPR Littelfuse Inc.

16R090BPR

PTC RESET FUSE 16V 900MA RADIAL

Littelfuse Inc.

9,872 -
Datasheet Radial, Disc POLY-FUSE®, USBR Cut Tape (CT) Obsolete Polymeric 16V 900 mA 1.8 A 40 A 1.2 s 70 mOhms 180 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.480" (12.20mm) - 0.201" (5.10mm)
16R110BPR Littelfuse Inc.

16R110BPR

PTC RESET FUSE 16V 1.1A RADIAL

Littelfuse Inc.

6,712 -
Datasheet Radial, Disc POLY-FUSE®, USBR Cut Tape (CT) Obsolete Polymeric 16V 1.1 A 2.2 A 40 A 2.3 s 50 mOhms 140 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.118" W (7.40mm x 3.00mm) 0.559" (14.20mm) - 0.201" (5.10mm)
0ZCD0200FF2C Bel Fuse Inc.

0ZCD0200FF2C

PTC RESET FUSE 16V 2A 2920

Bel Fuse Inc.

9,942 -
Datasheet 2920 (7351 Metric) 0ZCD Tape & Reel (TR) Obsolete Polymeric 16V 2 A 4 A 40 A 4.5 s 35 mOhms 120 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.035" (0.90mm) -
TRF600-160-RA-B-0.5-L Littelfuse Inc.

TRF600-160-RA-B-0.5-L

PTC RESET FUSE 250V 160MA RADIAL

Littelfuse Inc.

3,575 -
Datasheet Radial, Disc PolySwitch® Bag Obsolete Polymeric 250V 160 mA 320 mA 3 A 9.5 s 4 Ohms 16 Ohms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.236" W (16.00mm x 6.00mm) 0.496" (12.60mm) - 0.200" (5.08mm)
PTGL10AR3R9M3P51B0 Murata Electronics

PTGL10AR3R9M3P51B0

PTC RESET FUSE 56V 260MA RADIAL

Murata Electronics

2,050 -
Datasheet Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 56V 260 mA 470 mA 2 A - - - 3.9 Ohms -10°C ~ 60°C - - - Through Hole 0.413" Dia x 0.157" T (10.50mm x 4.00mm) 0.650" (16.50mm) - 0.197" (5.00mm)
PTGL07AR450H8B52A0 Murata Electronics

PTGL07AR450H8B52A0

PTC RESET FUSE 265V 105MA RADIAL

Murata Electronics

5,526 -
Datasheet Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 265V 105 mA 200 mA 1 A - - - 45 Ohms -10°C ~ 60°C - - - Through Hole 0.315" Dia x 0.236" T (8.00mm x 6.00mm) 0.551" (14.00mm) - 0.197" (5.00mm)
2016L500DR-A Littelfuse Inc.

2016L500DR-A

PTC 6V POLYFUSE SURF MOUNT 2016

Littelfuse Inc.

3,478 -
Datasheet 2016 (5041 Metric), Concave POLY-FUSE®, 2016L Tape & Reel (TR) Active Polymeric 6V 5 A 10 A 100 A 2 s 5 mOhms 25 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.063" (1.60mm) -
TR600-150-RA-B-0.5 Littelfuse Inc.

TR600-150-RA-B-0.5

PTC RESET FUSE RADIAL DISC

Littelfuse Inc.

6,815 -
Datasheet Radial, Disc PolySwitch®, TR600 Bulk Obsolete Polymeric - - - - - - - - - - - - Through Hole 0.532" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
PTCCL05H760HTE Vishay Beyschlag/Draloric/BC Components

PTCCL05H760HTE

PTC RESET FUSE 265V 76MA RADIAL

Vishay Beyschlag/Draloric/BC Components

5,641 -
Datasheet Radial, Disc PTCCL - 265V Tape & Reel (TR) Active Ceramic 265V 76 mA 115 mA 550 mA - - - 85 Ohms 0°C ~ 70°C - - - Through Hole 0.197" Dia x 0.217" T (5.00mm x 5.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
PTGL07BD6R8N2B51B0 Murata Electronics

PTGL07BD6R8N2B51B0

PTC RESET FUSE 24V 139MA RADIAL

Murata Electronics

5,761 -
Datasheet Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 24V 139 mA 296 mA 2 A - - - 6.8 Ohms -10°C ~ 60°C - - - Through Hole 0.291" Dia x 0.157" T (7.40mm x 4.00mm) 0.528" (13.40mm) - 0.197" (5.00mm)
MINIASMDC110F/16-2 Littelfuse Inc.

MINIASMDC110F/16-2

PTC RESET FUSE 16V 1.1A 1812

Littelfuse Inc.

1,186 -
Datasheet 1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 16V 1.1 A 2.2 A 100 A 300 ms 60 mOhms 180 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.019" (0.48mm) -
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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.