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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
30R500U Littelfuse Inc.

30R500U

PTC RESET FUSE 30V 5A RADIAL

Littelfuse Inc.

6,951 -
Datasheet Radial, Disc POLY-FUSE®, 30R Bulk Obsolete Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 1.008" (25.60mm) - 0.402" (10.20mm)
PTGL12AR5R6H4B71B0 Murata Electronics

PTGL12AR5R6H4B71B0

PTC RESET FUSE 80V 350MA RADIAL

Murata Electronics

8,101 -
Datasheet Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 80V 350 mA 650 mA 4.3 A - - - 5.6 Ohms -10°C ~ 60°C - - - Through Hole 0.472" Dia x 0.177" W (12.00mm x 4.50mm) 0.709" (18.00mm) - 0.295" (7.50mm)
YQB120N0025 Amphenol Advanced Sensors (Thermometrics)

YQB120N0025

PTC RESET FUSE 80V 100MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

9,654 -
Datasheet Radial, Disc YQ Bulk Active Ceramic 80V 100 mA 200 mA 1 A - - - 25 Ohms 0°C ~ 60°C - - - Through Hole 0.256" Dia x 0.157" T (6.50mm x 4.00mm) - - 0.201" (5.10mm)
YQB120N0055 Amphenol Advanced Sensors (Thermometrics)

YQB120N0055

PTC RESET FUSE 80V 60MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

5,966 -
Datasheet Radial, Disc YQ Bulk Active Ceramic 80V 60 mA 120 mA 700 mA - - - 55 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.138" T (4.00mm x 3.50mm) - - 0.201" (5.10mm)
PTR060V0250-TR Eaton - Electronics Division

PTR060V0250-TR

PTC RESET FUSE 60V 2.5A RADIAL

Eaton - Electronics Division

6,868 -
Datasheet Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" Dia x 0.118" T (21.30mm x 3.00mm) 1.039" (26.40mm) - 0.394" (10.00mm)
PTR060V0250-TR1 Eaton - Electronics Division

PTR060V0250-TR1

PTC RESET FUSE 60V 2.5A RADIAL

Eaton - Electronics Division

6,443 -
Datasheet Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.839" Dia x 0.118" T (21.30mm x 3.00mm) 1.039" (26.40mm) - 0.394" (10.00mm)
PTR060V0300-TR1 Eaton - Electronics Division

PTR060V0300-TR1

PTC RESET FUSE 60V 3A RADIAL

Eaton - Electronics Division

9,611 -
Datasheet Radial, Disc PTR060V Tape & Reel (TR) Active Polymeric 60V 3 A 6 A 40 A 19.8 s 40 mOhms 100 mOhms - -40°C ~ 85°C - - - Through Hole 0.980" Dia x 0.118" T (24.90mm x 3.00mm) 1.181" (30.00mm) - 0.394" (10.00mm)
0ZCN0200FF2C Bel Fuse Inc.

0ZCN0200FF2C

PTC RESET FUSE 6V 2A 2016

Bel Fuse Inc.

2,729 -
Datasheet 2016 (5041 Metric), Concave 0ZCN Tape & Reel (TR) Active Polymeric 6V 2 A 4.2 A 100 A 3 s 48 mOhms 100 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.022" (0.55mm) -
0ZRN0750FF1A Bel Fuse Inc.

0ZRN0750FF1A

PTC RESET FUSE 16V 7.5A RADIAL

Bel Fuse Inc.

6,809 -
Datasheet Radial, Disc 0ZRN Bulk Active Polymeric 16V 7.5 A 13.1 A 100 A 7 s 9.4 mOhms 22 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.925" (23.50mm) - 0.201" (5.10mm)
0ZRN0800FF1A Bel Fuse Inc.

0ZRN0800FF1A

PTC RESET FUSE 16V 8A RADIAL

Bel Fuse Inc.

7,860 -
Datasheet Radial, Disc 0ZRN Bulk Active Polymeric 16V 8 A 15 A 100 A 8 s 8 mOhms 20 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.886" (22.50mm) - 0.201" (5.10mm)
0ZRN0900FF1A Bel Fuse Inc.

0ZRN0900FF1A

PTC RESET FUSE 16V 9A RADIAL

Bel Fuse Inc.

8,875 -
Datasheet Radial, Disc 0ZRN Bulk Active Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 mOhms 17 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.201" (5.10mm)
YQS8103 Amphenol Advanced Sensors (Thermometrics)

YQS8103

PTC RESET FUSE 30V 120MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

2,792 -
Datasheet Radial, Disc YP Bulk Active Ceramic 30V 120 mA 240 mA 700 mA - - - 13 Ohms 0°C ~ 60°C - - - Through Hole 0.177" Dia x 0.138" T (4.50mm x 3.50mm) 0.394" (10.00mm) - 0.236" (6.00mm)
YQS8123 Amphenol Advanced Sensors (Thermometrics)

YQS8123

PTC RESET FUSE 30V 250MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

9,339 -
Datasheet Radial, Disc YP Bulk Active Ceramic 30V 250 mA 500 mA 1 A - - - 4.6 Ohms 0°C ~ 60°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.472" (12.00mm) - 0.236" (6.00mm)
SMD075-2 Littelfuse Inc.

SMD075-2

POLYSWITCH 0.75A HOLD SMD

Littelfuse Inc.

4,317 -
Datasheet 2920 (7351 Metric) PolySwitch®, SMD Cut Tape (CT) Obsolete 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) -
SMD125-2 Littelfuse Inc.

SMD125-2

POLYSWITCH 1.25A HOLD SMD

Littelfuse Inc.

7,569 -
Datasheet 2920 (7351 Metric) PolySwitch®, SMD Cut Tape (CT) Obsolete Polymeric 15V 1.25 A 2.5 A 40 A 2 s 70 mOhms - - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.118" (3.00mm) -
SMD030-2 Littelfuse Inc.

SMD030-2

POLYSWITCH 0.30A HOLD SMD

Littelfuse Inc.

6,896 -
Datasheet 2920 (7351 Metric) PolySwitch®, SMD Cut Tape (CT) Obsolete 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) -
SMD100-2 Littelfuse Inc.

SMD100-2

POLYSWITCH 1.10A HOLD SMD

Littelfuse Inc.

9,771 -
Datasheet 2920 (7351 Metric) PolySwitch®, SMD Cut Tape (CT) Obsolete Polymeric 30V 1.1 A 2.2 A 40 A 500 ms 120 mOhms 480 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.180" W (5.08mm x 4.58mm) - 0.060" (1.52mm) -
SMD050-2 Littelfuse Inc.

SMD050-2

POLYSWITCH 0.50A HOLD SMD

Littelfuse Inc.

2,170 -
Datasheet 2920 (7351 Metric) PolySwitch®, SMD Cut Tape (CT) Obsolete 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) -
PTR016V1300-TR1 Eaton - Electronics Division

PTR016V1300-TR1

PTC RESET FUSE 16V 13A RADIAL

Eaton - Electronics Division

3,534 -
Datasheet Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 13 A 22.1 A 100 A 8.5 s 2 mOhms 8 mOhms - -40°C ~ 85°C - - - Through Hole 0.850" L x 0.122" W (21.60mm x 3.10mm) 1.260" (32.00mm) - 0.394" (10.00mm)
PTGLCSAS2R2K4B51A0 Murata Electronics

PTGLCSAS2R2K4B51A0

PTC RESET FUSE 60V 556MA RADIAL

Murata Electronics

9,164 -
Datasheet Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 60V 556 mA 739 mA 5 A - - - 2.2 Ohms -30°C ~ 125°C - - - Through Hole 0.453" Dia x 0.138" T (11.50mm x 3.50mm) 0.650" (16.50mm) - 0.197" (5.00mm)
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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.