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
0805L020/16YR

0805L020/16YR

POLYSWITCH RESETTABLE PPTC

Littelfuse Inc.

3,289 -
RFQ
0805L020/16YR

Datasheet

0805 (2012 Metric), Concave POLY-FUSE®, 0805L Tape & Reel (TR) Active Polymeric 16V 200 mA 500 mA 100 A 500 ms 500 mOhms 3.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.030" (0.75mm) -
FEMTOASMDC005F-2

FEMTOASMDC005F-2

PTC RESET FUSE 15V 50MA 0603

Littelfuse Inc.

19,394 -
RFQ
FEMTOASMDC005F-2

Datasheet

0603 (1608 Metric) PolySwitch®, femtoASMD Tape & Reel (TR) Active Polymeric 15V 50 mA 150 mA 10 A 100 ms 3.8 Ohms 30 Ohms - - Automotive AEC-Q200 - Surface Mount 0.063" L x 0.032" W (1.60mm x 0.80mm) - 0.033" (0.85mm) -
MF-FSMF025X-2

MF-FSMF025X-2

PTC RESETTABLE 0.25A 6V SMD 0603

Bourns Inc.

14,264 -
RFQ
MF-FSMF025X-2

Datasheet

0603 (1608 Metric), Concave Multifuse®, MF-FSMF Tape & Reel (TR) Active Polymeric 6V 250 mA 750 mA 40 A 100 ms 200 mOhms 1.4 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.065" L x 0.033" W (1.65mm x 0.85mm) - 0.026" (0.65mm) -
ASMDC300F/24-2

ASMDC300F/24-2

PTC RESET FUSE 24V 3A 2SMD

Littelfuse Inc.

7,262 -
RFQ
ASMDC300F/24-2

Datasheet

2-SMD PolySwitch®, ASMD Tape & Reel (TR) Active Polymeric 24V 3 A 6 A 40 A 5 s 15 mOhms 72 mOhms - - Automotive AEC-Q200 - Surface Mount 0.295" L x 0.201" W (7.50mm x 5.10mm) - 0.028" (0.71mm) -
B59890C0120A070

B59890C0120A070

PTC RESET FUSE 265V 30MA RADIAL

EPCOS - TDK Electronics

10,099 -
RFQ
B59890C0120A070

Datasheet

Radial, Disc - Bulk Active Ceramic 265V 30 mA 60 mA 200 mA - - - 150 Ohms 0°C ~ 60°C - - - Through Hole 0.157" Dia x 0.197" T (4.00mm x 5.00mm) 0.295" (7.50mm) - 0.197" (5.00mm)
PTCCL05H630HBE

PTCCL05H630HBE

PTC RESET FUSE 265V 63MA RADIAL

Vishay Beyschlag/Draloric/BC Components

2,257 -
RFQ
PTCCL05H630HBE

Datasheet

Radial, Disc PTCCL - 265V Bulk Active Ceramic 265V 63 mA 95 mA 450 mA - - - 120 Ohms 0°C ~ 70°C - - - Through Hole 0.197" Dia x 0.197" T (5.00mm x 5.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
PTCCL05H110HBE

PTCCL05H110HBE

PTC RESET FUSE 265V 11MA RADIAL

Vishay Beyschlag/Draloric/BC Components

1,858 -
RFQ
PTCCL05H110HBE

Datasheet

Radial, Disc PTCCL - 265V Bulk Active Ceramic 265V 11 mA 17 mA 80 mA - - - 3 kOhms 0°C ~ 70°C - - - Through Hole 0.197" Dia x 0.197" T (5.00mm x 5.00mm) 0.394" (10.00mm) - 0.197" (5.00mm)
PTCCL05H190HBE

PTCCL05H190HBE

PTC RESET FUSE 265V 19MA RADIAL

Vishay Beyschlag/Draloric/BC Components

1,593 -
RFQ
PTCCL05H190HBE

Datasheet

Radial, Disc PTCCL - 265V Bulk Active Ceramic 265V 19 mA 29 mA 140 mA - - - 1.2 kOhms 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)
MF-RX375/72-2

MF-RX375/72-2

PTC RESET FUSE 72V 3.75A RADIAL

Bourns Inc.

5,564 -
RFQ
MF-RX375/72-2

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 3.75 A 7.5 A 40 A 24 s 30 mOhms 80 mOhms - -40°C ~ 85°C - - - Through Hole 0.926" L x 0.122" W (23.51mm x 3.10mm) 1.161" (29.50mm) - 0.402" (10.20mm)
B59623A0090A062

B59623A0090A062

THERMISTOR PTC 470 OHM 25% 0603

EPCOS - TDK Electronics

26,319 -
RFQ
B59623A0090A062

Datasheet

0603 (1608 Metric) B59623 Tape & Reel (TR) Active Ceramic 80V - 25 mA 150 mA - 300 Ohms 470 Ohms - -40°C ~ 125°C Automotive AEC-Q200 - Surface Mount 0.063" L x 0.031" W (1.60mm x 0.80mm) - 0.031" (0.80mm) -
RUEF600K-2

RUEF600K-2

PTC RESET FUSE 30V 6A RADIAL

Littelfuse Inc.

2,455 -
RFQ
RUEF600K-2

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 6 A 12 A 100 A 16 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.032" (26.20mm) - 0.400" (10.15mm)
1206L075/16WR

1206L075/16WR

PTC RESET FUSE 16V 750MA 1206

Littelfuse Inc.

9,342 -
RFQ
1206L075/16WR

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 16V 750 mA 1.5 A 100 A 200 ms 90 mOhms 290 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.049" (1.25mm) -
MF-R900-2

MF-R900-2

PTC RESET FUSE 30V 9A RADIAL

Bourns Inc.

5,637 -
RFQ
MF-R900-2

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 30V 9 A 18 A 40 A 20 s 5 mOhms 20 mOhms - -40°C ~ 85°C - - - Through Hole 0.953" L x 0.118" W (24.20mm x 3.00mm) 1.295" (32.90mm) - 0.402" (10.20mm)
RGEF1000

RGEF1000

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

1,520 -
RFQ
RGEF1000

Datasheet

Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 10 A 17 A 100 A 6 s 4 mOhms 10.2 mOhms - -40°C ~ 85°C - - - Through Hole 0.630" L x 0.098" W (16.00mm x 2.50mm) 0.992" (25.20mm) - 0.199" (5.05mm)
0805L002YR

0805L002YR

POLYSWITCH RESETTABLE PPTC

Littelfuse Inc.

3,774 -
RFQ
0805L002YR

Datasheet

0805 (2012 Metric), Concave POLY-FUSE®, 0805L Tape & Reel (TR) Active Polymeric 63V 20 mA 60 mA 40 A 1.5 s 12 Ohms 70 Ohms - -40°C ~ 85°C - - - Surface Mount 0.083" L x 0.053" W (2.10mm x 1.35mm) - 0.049" (1.25mm) -
1210L200PR

1210L200PR

PTC RESET FUSE 6V 2A 1210

Littelfuse Inc.

3,468 -
RFQ
1210L200PR

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 6V 2 A 4 A 100 A 1 s 15 mOhms 70 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.063" (1.60mm) -
B59970C0130A070

B59970C0130A070

PTC RESET FUSE 80V 150MA RADIAL

EPCOS - TDK Electronics

2,936 -
RFQ
B59970C0130A070

Datasheet

Radial, Disc B59970 Bulk Active Ceramic 80V 150 mA 240 mA 1 A - - - 20 Ohms -40°C ~ 125°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
0ZRS0200FF1E

0ZRS0200FF1E

PTC RESET FUSE 32V 2A RADIAL

Bel Fuse Inc.

2,522 -
RFQ
0ZRS0200FF1E

Datasheet

Radial, Disc 0ZRS Bulk Active Ceramic 32V 2 A 4 A 100 A 5.5 s 65 mOhms 250 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.374" L x 0.118" W (9.50mm x 3.00mm) 0.531" (13.50mm) - 0.201" (5.10mm)
30R400UMR

30R400UMR

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

79,066 -
RFQ
30R400UMR

Datasheet

Radial, Disc POLY-FUSE®, 30R Cut Tape (CT) Active Polymeric 30V 4 A 8 A 40 A 12.7 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.866" (22.00mm) - 0.201" (5.10mm)
B59985C0160A070

B59985C0160A070

PTC RESET FUSE 20V 300MA RADIAL

EPCOS - TDK Electronics

2,610 -
RFQ
B59985C0160A070

Datasheet

Radial, Disc B59985 Bulk Active Ceramic 20V 300 mA 600 mA 1 A - - - 4.6 Ohms -40°C ~ 85°C - - - Through Hole 0.256" Dia x 0.138" T (6.50mm x 3.50mm) 0.394" (10.00mm) - 0.197" (5.00mm)
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