PTC Resettable Fuses

Manufacturer 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

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PTC Resettable Fuses

PTC Resettable Fuses are circuit protection components used to protect electronic systems from overcurrent, short-circuit and fault conditions. Unlike one-time fuses, PTC resettable fuses increase resistance during a fault and can return to a low-resistance state after the fault is removed and the device cools down.

This category includes polymer PTC resettable fuses, PPTC fuses, radial leaded PTC fuses, surface-mount PTC fuses and related overcurrent protection components. These devices are commonly selected based on hold current, trip current, rated voltage, resistance, response time, package type, operating temperature and application requirements.

TomatoElec supplies original PTC Resettable Fuses from recognized manufacturers such as Littelfuse, Bourns, Eaton, Bel Fuse, TE Connectivity, Murata, TDK, Panasonic and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.

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
PTR016V0700-TR

PTR016V0700-TR

PTC RESET FUSE 16V 7A RADIAL

Eaton - Electronics Division

2,885 -
RFQ
PTR016V0700-TR

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 7 A 11.9 A 100 A 3.5 s 6 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" L x 0.122" W (11.20mm x 3.10mm) 0.776" (19.70mm) - 0.197" (5.00mm)
PTGL09AR150M3B51B0

PTGL09AR150M3B51B0

PTC RESET FUSE 56V 190MA RADIAL

Murata Electronics

9,306 -
RFQ
PTGL09AR150M3B51B0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 56V 190 mA 340 mA 1.2 A - - - 15 Ohms -10°C ~ 60°C - - - Through Hole 0.374" Dia x 0.157" T (9.50mm x 4.00mm) 0.610" (15.50mm) - 0.197" (5.00mm)
SMD2920P200TFA

SMD2920P200TFA

PTC RESET FUSE 15V 2A 2920

Littelfuse Inc.

3,875 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 15V 2 A 4 A 40 A 5 s 50 mOhms 125 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
SMD2920P185TFA

SMD2920P185TFA

PTC RESET FUSE 33V 1.85A 2920

Littelfuse Inc.

5,455 -
RFQ

-

2920 (7351 Metric), Concave POLY-FUSE®, SMD2920 Tape & Reel (TR) Obsolete Polymeric 33V 1.85 A 3.7 A 40 A 2.5 s 65 mOhms 150 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.039" (1.00mm) -
PTR030V0185-TR1

PTR030V0185-TR1

PTC RESET FUSE 30V 1.85A RADIAL

Eaton - Electronics Division

5,653 -
RFQ
PTR030V0185-TR1

Datasheet

Radial, Disc PTR030V Tape & Reel (TR) Active 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) - 0.197" (5.00mm)
PTR030V0160-TR1

PTR030V0160-TR1

PTC RESET FUSE 30V 1.6A RADIAL

Eaton - Electronics Division

9,901 -
RFQ
PTR030V0160-TR1

Datasheet

Radial, Disc PTR030V Tape & Reel (TR) Active 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) - 0.197" (5.00mm)
PTR060V0135-TR1

PTR060V0135-TR1

PTC RESET FUSE 60V 1.35A RADIAL

Eaton - Electronics Division

6,544 -
RFQ
PTR060V0135-TR1

Datasheet

Radial, Disc PTR060V Tape & Reel (TR) Active 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) 0.772" (19.60mm) - 0.197" (5.00mm)
MF-RG500-AP

MF-RG500-AP

PTC RESET FUSE 16V 5A RADIAL

Bourns Inc.

9,020 -
RFQ
MF-RG500-AP

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" L x 0.118" W (10.40mm x 3.00mm) 0.563" (14.30mm) - 0.201" (5.10mm)
MF-R700-AP

MF-R700-AP

PTC RESET FUSE 30V 7A RADIAL

Bourns Inc.

7,465 -
RFQ
MF-R700-AP

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 30V 7 A 14 A 40 A 17.5 s 5 mOhms 30 mOhms - -40°C ~ 85°C - - - Through Hole 0.870" L x 0.118" W (22.10mm x 3.00mm) 1.173" (29.80mm) - 0.402" (10.20mm)
MF-RG600-AP

MF-RG600-AP

PTC RESET FUSE 16V 6A RADIAL

Bourns Inc.

8,269 -
RFQ
MF-RG600-AP

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Box (TB) Active Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
MF-R600-0-14

MF-R600-0-14

PTC RESETTABLE 6.0A 30V RADIAL L

Bourns Inc.

8,951 -
RFQ
MF-R600-0-14

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 6 A 12 A 40 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.760" L x 0.118" W (19.30mm x 3.00mm) 1.256" (31.90mm) - 0.402" (10.20mm)
MF-R500-AP-14

MF-R500-AP-14

PTC RESETTABLE 5.0A 30V RADIAL L

Bourns Inc.

9,948 -
RFQ
MF-R500-AP-14

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Box (TB) Active Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.685" L x 0.118" W (17.40mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
MF-RHT650-0-14

MF-RHT650-0-14

PTC 6.5A 16V RADIAL LEADED HI-TE

Bourns Inc.

4,887 -
RFQ
MF-RHT650-0-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 6.5 A 12 A 100 A 5.5 s 11 mOhms 26 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.500" L x 0.118" W (12.70mm x 3.00mm) 0.874" (22.20mm) - 0.201" (5.10mm)
MF-RG300-0-14

MF-RG300-0-14

PTC RESETTABLE 3.0A 16V RADIAL L

Bourns Inc.

8,591 -
RFQ
MF-RG300-0-14

Datasheet

Radial, Disc Multifuse®, MF-RG Bulk Active Polymeric 16V 3 A 5.1 A 100 A 1 s 38 mOhms 97.5 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.280" L x 0.118" W (7.10mm x 3.00mm) 0.433" (11.00mm) - 0.201" (5.10mm)
MF-R500-2-14

MF-R500-2-14

PTC RESETTABLE 5.0A 30V RADIAL L

Bourns Inc.

2,293 -
RFQ
MF-R500-2-14

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.685" L x 0.118" W (17.40mm x 3.00mm) 0.980" (24.90mm) - 0.402" (10.20mm)
MF-RHT600-0-14

MF-RHT600-0-14

PTC 6.0A 16V RADIAL LEADED HI-TE

Bourns Inc.

7,694 -
RFQ
MF-RHT600-0-14

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 16V 6 A 10.8 A 100 A 5 s 13 mOhms 32 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.827" (21.00mm) - 0.201" (5.10mm)
0ZRA1200FF1A

0ZRA1200FF1A

PTC RESET FUSE 16V 12A RADIAL

Bel Fuse Inc.

5,590 -
RFQ
0ZRA1200FF1A

Datasheet

Radial, Disc 0ZRA Box Active Polymeric 16V 12 A 20.4 A 100 A 16 s 2 mOhms 9 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.142" W (17.50mm x 3.60mm) 1.102" (28.00mm) - 0.402" (10.20mm)
0ZRA1400FF1A

0ZRA1400FF1A

PTC RESET FUSE 16V 14A RADIAL

Bel Fuse Inc.

2,871 -
RFQ
0ZRA1400FF1A

Datasheet

Radial, Disc 0ZRA Box Active Polymeric 16V 14 A 23.8 A 100 A 20 s 2 mOhms 8 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 1.098" L x 0.142" W (27.90mm x 3.60mm) 1.098" (27.90mm) - 0.402" (10.20mm)
PTGL7SAS3R3K3B51A0

PTGL7SAS3R3K3B51A0

PTC RESET FUSE 51V 389MA RADIAL

Murata Electronics

3,583 -
RFQ
PTGL7SAS3R3K3B51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 51V 389 mA 517 mA 3 A - - - 3.3 Ohms -30°C ~ 125°C - - - Through Hole 0.287" Dia x 0.138" T (7.30mm x 3.50mm) 0.484" (12.30mm) - 0.197" (5.00mm)
BK30-800-SZ

BK30-800-SZ

PTC RESET FUSE 30V 8A RAD

YAGEO

7,304 -
RFQ
BK30-800-SZ

Datasheet

Radial, Disc BK30 Bulk Active Polymeric 30V 8 A 16 A 40 A 18.8 s 5 mOhms 25 mOhms - -40°C ~ 85°C - - - Through Hole 0.925" L x 0.122" W (23.50mm x 3.10mm) 1.220" (31.00mm) - 0.413" (10.50mm)
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