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
MICROSMD450LR-C-2

MICROSMD450LR-C-2

PTC RESET FUSE 12V 4.5A 1206

Littelfuse Inc.

9,269 -
RFQ
MICROSMD450LR-C-2

Datasheet

1210 (3225 Metric), Concave PolySwitch®, LoRho Tape & Reel (TR) Obsolete Polymeric 12V 4.5 A 9 A 10 A 20 s 2 mOhms 10 mOhms - -20°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.032" (0.80mm) -
PFHT.160.2

PFHT.160.2

PFHT PTC FUSE SMT 1.6 A

SCHURTER Inc.

7,254 -
RFQ
PFHT.160.2

Datasheet

2-SMD PFHT Bulk Active Polymeric 16V 1.6 A 3.2 A 100 A 10 s 50 mOhms 150 mOhms - -40°C ~ 125°C - - - Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) 0.118" (3.00mm) 0.118" (3.00mm) -
MF-RHT070-AP

MF-RHT070-AP

PTC RESET FUSE 16V 700MA RADIAL

Bourns Inc.

6,466 -
RFQ
MF-RHT070-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Box (TB) Active Polymeric 16V 700 mA 1.4 A 40 A 4 s 300 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.270" L x 0.118" W (6.86mm x 3.00mm) 0.425" (10.80mm) - 0.114" (2.90mm)
MF-RHT050-AP

MF-RHT050-AP

PTC RESET FUSE 30V 500MA RADIAL

Bourns Inc.

8,568 -
RFQ
MF-RHT050-AP

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 30V 500 mA 920 mA 40 A 2.5 s 480 mOhms 1.1 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX160/72-2-14

MF-RX160/72-2-14

PTC RESET FUSE 72V 1.6A RADIAL

Bourns Inc.

5,444 -
RFQ
MF-RX160/72-2-14

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Box (TB) Active Polymeric 72V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.549" L x 0.122" W (13.94mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
MF-RX185/72-AP-14

MF-RX185/72-AP-14

PTC RESET FUSE 72V 1.85A RADIAL

Bourns Inc.

7,516 -
RFQ
MF-RX185/72-AP-14

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Box (TB) Active Polymeric 72V 1.85 A 3.7 A 40 A 12.6 s 80 mOhms 190 mOhms - -40°C ~ 85°C - - - Through Hole 0.598" L x 0.122" W (15.18mm x 3.10mm) 0.785" (19.94mm) - 0.201" (5.10mm)
MF-RX160/72-AP-14

MF-RX160/72-AP-14

PTC RESET FUSE 72V 1.6A RADIAL

Bourns Inc.

3,248 -
RFQ
MF-RX160/72-AP-14

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Box (TB) Active Polymeric 72V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.549" L x 0.122" W (13.94mm x 3.10mm) 0.772" (19.60mm) - 0.201" (5.10mm)
MF-RHT050-0-17

MF-RHT050-0-17

PTC 0.5A 16V RADIAL LEADED HI-TE

Bourns Inc.

7,695 -
RFQ
MF-RHT050-0-17

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 30V 500 mA 920 mA 40 A 2.5 s 480 mOhms 1.1 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.118" T (7.40mm x 3.00mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RHT070-0-17

MF-RHT070-0-17

PTC 0.7A 16V RADIAL LEADED HI-TE

Bourns Inc.

2,728 -
RFQ
MF-RHT070-0-17

Datasheet

Radial, Disc Multifuse®, MF-RHT Bulk Active Polymeric 30V 700 mA 1.4 A 40 A 4 s 300 mOhms 800 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.270" L x 0.118" W (6.86mm x 3.00mm) 0.425" (10.80mm) - 0.201" (5.10mm)
0ZRF0015FF2B

0ZRF0015FF2B

PTC RESET FUSE 60V 150MA RADIAL

Bel Fuse Inc.

4,557 -
RFQ
0ZRF0015FF2B

Datasheet

Radial, Disc 0ZRF Tape & Reel (TR) Active Polymeric 60V 150 mA 580 mA 3 A 2.5 s 3 Ohms 12 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)
BK16-1100-SZ

BK16-1100-SZ

PTC RESET FUSE 16V 11A RAD

YAGEO

4,601 -
RFQ
BK16-1100-SZ

Datasheet

Radial, Disc BK16 Bulk Active Polymeric 16V 11 A 22 A 100 A 7 s 3 mOhms 10 mOhms - -40°C ~ 85°C - - - Through Hole 0.709" L x 0.122" W (18.00mm x 3.10mm) 1.083" (27.50mm) - 0.413" (10.50mm)
BK16-1000-SZ

BK16-1000-SZ

PTC RESET FUSE 16V 10A RAD

YAGEO

7,333 -
RFQ
BK16-1000-SZ

Datasheet

Radial, Disc BK16 Bulk Active Polymeric 16V 10 A 20 A 100 A 6 s 4 mOhms 11 mOhms - -40°C ~ 85°C - - - Through Hole 0.709" L x 0.122" W (18.00mm x 3.10mm) 1.083" (27.50mm) - 0.413" (10.50mm)
PTR016V0090-TR1

PTR016V0090-TR1

PTC RESET FUSE 16V 900MA RADIAL

Eaton - Electronics Division

4,862 -
RFQ
PTR016V0090-TR1

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active 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 0.122" W (7.40mm x 3.10mm) 0.480" (12.20mm) - 0.197" (5.00mm)
PTGL07BA0R9M1B51A0

PTGL07BA0R9M1B51A0

PTC RESET FUSE 0.9 OHM 110C

Murata Electronics

8,313 -
RFQ
PTGL07BA0R9M1B51A0

Datasheet

Radial, Disc Posistor® Tape & Box (TB) Obsolete Ceramic - - - - - - - 800 mOhms - - - - Through Hole - - - -
PTR016V0135-TR1

PTR016V0135-TR1

PTC RESET FUSE 16V 1.35A RADIAL

Eaton - Electronics Division

8,979 -
RFQ
PTR016V0135-TR1

Datasheet

Radial, Disc PTR016V Tape & Reel (TR) Active Polymeric 16V 1.35 A 2.7 A 40 A 4.5 s 40 mOhms 120 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.122" W (8.90mm x 3.10mm) 0.532" (13.50mm) - 0.197" (5.00mm)
PTR030V0160-TR

PTR030V0160-TR

PTC RESET FUSE 30V 1.6A RADIAL

Eaton - Electronics Division

9,955 -
RFQ
PTR030V0160-TR

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)
PTR030V0185-TR

PTR030V0185-TR

PTC RESET FUSE 30V 1.85A RADIAL

Eaton - Electronics Division

4,841 -
RFQ
PTR030V0185-TR

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)
PTR060V0135-TR

PTR060V0135-TR

PTC RESET FUSE 60V 1.35A RADIAL

Eaton - Electronics Division

8,341 -
RFQ
PTR060V0135-TR

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)
PTGL07AR8R2M3P51A0

PTGL07AR8R2M3P51A0

PTC RESET FUSE 56V 165MA RADIAL

Murata Electronics

9,184 -
RFQ
PTGL07AR8R2M3P51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Tape & Box (TB) Obsolete Ceramic 56V 165 mA 300 mA 1 A - - - 8.2 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)
PFRA.040

PFRA.040

PTC RESET FUSE 60V 400MA RADIAL

SCHURTER Inc.

2,894 -
RFQ
PFRA.040

Datasheet

Radial, Disc PFRA Bulk Active Polymeric 60V 400 mA 800 mA 40 A 3.8 s 520 mOhms 1.29 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.539" (13.70mm) - 0.201" (5.10mm)
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