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
PRG21BC4R7MS5RA

PRG21BC4R7MS5RA

PTC RESET FUSE

Murata Electronics

3,716 -
RFQ

-

- * Tape & Reel (TR) Active - - - - - - - - - - - - - - - - - -
MF-MSMD020-2

MF-MSMD020-2

PTC RESET FUSE 30V 200MA 1812

Bourns Inc.

3,239 -
RFQ
MF-MSMD020-2

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

MF-MSMD050-2

PTC RESET FUSE 15V 500MA 1812

Bourns Inc.

3,048 -
RFQ
MF-MSMD050-2

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

MF-MSMD075-2

PTC RESET FUSE 13.2V 750MA 1812

Bourns Inc.

3,525 -
RFQ
MF-MSMD075-2

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

MF-MSMD110-2

PTC RESET FUSE 6V 1.1A 1812

Bourns Inc.

6,481 -
RFQ
MF-MSMD110-2

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

MF-MSMD014-2

PTC RESET FUSE 60V 140MA 1812

Bourns Inc.

3,831 -
RFQ
MF-MSMD014-2

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

MF-MSMD125-2

PTC RESET FUSE 6V 1.25A 1812

Bourns Inc.

5,713 -
RFQ
MF-MSMD125-2

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

MF-MSMD150-2

PTC RESET FUSE 6V 1.5A 1812

Bourns Inc.

7,071 -
RFQ
MF-MSMD150-2

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

1812L125DR

PTC RESET FUSE 15V 1.25A 1812

Littelfuse Inc.

8,217 -
RFQ
1812L125DR

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

16R090BPR

PTC RESET FUSE 16V 900MA RADIAL

Littelfuse Inc.

9,872 -
RFQ
16R090BPR

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

16R110BPR

PTC RESET FUSE 16V 1.1A RADIAL

Littelfuse Inc.

6,712 -
RFQ
16R110BPR

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

0ZCD0200FF2C

PTC RESET FUSE 16V 2A 2920

Bel Fuse Inc.

9,942 -
RFQ
0ZCD0200FF2C

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

TRF600-160-RA-B-0.5-L

PTC RESET FUSE 250V 160MA RADIAL

Littelfuse Inc.

3,575 -
RFQ
TRF600-160-RA-B-0.5-L

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

PTGL10AR3R9M3P51B0

PTC RESET FUSE 56V 260MA RADIAL

Murata Electronics

2,050 -
RFQ
PTGL10AR3R9M3P51B0

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

PTGL07AR450H8B52A0

PTC RESET FUSE 265V 105MA RADIAL

Murata Electronics

5,526 -
RFQ
PTGL07AR450H8B52A0

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

2016L500DR-A

PTC 6V POLYFUSE SURF MOUNT 2016

Littelfuse Inc.

3,478 -
RFQ

-

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

TR600-150-RA-B-0.5

PTC RESET FUSE RADIAL DISC

Littelfuse Inc.

6,815 -
RFQ

-

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

PTCCL05H760HTE

PTC RESET FUSE 265V 76MA RADIAL

Vishay Beyschlag/Draloric/BC Components

5,641 -
RFQ
PTCCL05H760HTE

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

PTGL07BD6R8N2B51B0

PTC RESET FUSE 24V 139MA RADIAL

Murata Electronics

5,761 -
RFQ
PTGL07BD6R8N2B51B0

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

MINIASMDC110F/16-2

PTC RESET FUSE 16V 1.1A 1812

Littelfuse Inc.

51 -
RFQ
MINIASMDC110F/16-2

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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