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
MF-FSML300/6-2

MF-FSML300/6-2

PTC RESET FUSE 6V 3A 0603

Bourns Inc.

397 -
RFQ
MF-FSML300/6-2

Datasheet

0603 (1608 Metric), Concave Multifuse®, MF-FSML Tape & Reel (TR) Active Polymeric 6V 3 A 6 A 50 A 5 s 3 mOhms 50 mOhms - -40°C ~ 85°C - - - Surface Mount 0.065" L x 0.033" W (1.65mm x 0.85mm) - 0.055" (1.40mm) -
1210L005WR

1210L005WR

PTC RESET FUSE 30V 50MA 1210

Littelfuse Inc.

35 -
RFQ
1210L005WR

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, 1210L Tape & Reel (TR) Active Polymeric 30V 50 mA 150 mA 10 A 1.5 s 3.6 Ohms 50 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.049" (1.25mm) -
RUEF250-AP

RUEF250-AP

PTC RESET FUSE 30V 2.5A RADIAL

Littelfuse Inc.

646 -
RFQ
RUEF250-AP

Datasheet

Radial, Disc PolySwitch®, RUEF Cut Tape (CT) Active Polymeric 30V 2.5 A 5 A 100 A 10.3 s 20 mOhms 70 mOhms - -40°C ~ 85°C - - - Through Hole 0.449" L x 0.118" W (11.40mm x 3.00mm) 0.720" (18.30mm) - 0.199" (5.05mm)
1206L010/60WR

1206L010/60WR

PTC RESET FUSE 60V 100MA 1206

Littelfuse Inc.

456 -
RFQ
1206L010/60WR

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 60V 100 mA 250 mA 10 A 1.5 s 1.5 Ohms 10 Ohms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.049" (1.25mm) -
SMD100F-2

SMD100F-2

PTC RESET FUSE 30V 1.1A 2SMD

Littelfuse Inc.

64 -
RFQ
SMD100F-2

Datasheet

2-SMD PolySwitch®, SMD Tape & Reel (TR) Active Polymeric 30V 1.1 A 2.2 A 40 A 500 ms 120 mOhms 480 mOhms - -40°C ~ 85°C - - - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.118" (3.00mm) -
MINISMDC110F/24-2

MINISMDC110F/24-2

PTC RESET FUSE 24V 1.1A 1812

Littelfuse Inc.

30 -
RFQ
MINISMDC110F/24-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 24V 1.1 A 2.2 A 100 A 500 ms 60 mOhms 180 mOhms - -40°C ~ 85°C - - - Surface Mount 0.181" L x 0.128" W (4.60mm x 3.24mm) - 0.057" (1.46mm) -
2016L030DR

2016L030DR

PTC RESET FUSE 60V 300MA 2016

Littelfuse Inc.

199 -
RFQ
2016L030DR

Datasheet

2016 (5041 Metric), Concave POLY-FUSE®, 2016L Tape & Reel (TR) Active Polymeric 60V 300 mA 600 mA 20 A 3 s 500 mOhms 2.3 Ohms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.049" (1.25mm) -
16R300GU

16R300GU

PTC RESET FUSE 16V 3A RADIAL

Littelfuse Inc.

938 -
RFQ
16R300GU

Datasheet

Radial, Disc POLY-FUSE®, 16R Bulk Active Polymeric 16V 3 A 5.1 A 100 A 1 s 38 mOhms 97.5 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.118" W (7.10mm x 3.00mm) 0.433" (11.00mm) - 0.201" (5.10mm)
2016L100/33DR

2016L100/33DR

PTC RESET FUSE 33V 1.1A 2016

Littelfuse Inc.

99 -
RFQ
2016L100/33DR

Datasheet

2016 (5041 Metric), Concave POLY-FUSE®, 2016L Tape & Reel (TR) Active Polymeric 33V 1.1 A 2.2 A 40 A 500 ms 100 mOhms 400 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.049" (1.25mm) -
MINISMDC200F/16-2

MINISMDC200F/16-2

PTC RESET FUSE 16V 2A 1812

Littelfuse Inc.

544 -
RFQ
MINISMDC200F/16-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 16V 2 A 4 A 40 A 5 s 20 mOhms 85 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.048" (1.22mm) -
TRF250-120

TRF250-120

PTC RESET FUSE 60V 120MA RADIAL

Littelfuse Inc.

461 -
RFQ
TRF250-120

Datasheet

Radial, Disc PolySwitch®, TRF250 Bag Active Polymeric 60V (250V Int) 120 mA 240 mA 3 A 2.5 s 4 Ohms 16 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)
2016L075/60MR

2016L075/60MR

PTC RESET FUSE 60V 750MA 2016

Littelfuse Inc.

373 -
RFQ
2016L075/60MR

Datasheet

2016 (5041 Metric), Concave POLY-FUSE®, 2016L Tape & Reel (TR) Active Polymeric 60V 750 mA 1.5 A 20 A 500 ms 130 mOhms 900 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.160" W (5.08mm x 4.07mm) - 0.079" (2.00mm) -
RXEF250

RXEF250

PTC RESET FUSE 72V 2.5A RADIAL

Littelfuse Inc.

870 -
RFQ
RXEF250

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 2.5 A 5 A 40 A 15.6 s 50 mOhms 130 mOhms - -40°C ~ 85°C - - - Through Hole 0.819" Dia x 0.118" T (20.80mm x 3.00mm) 1.000" (25.40mm) - 0.400" (10.15mm)
1812L035/60MR

1812L035/60MR

PTC RESET FUSE 60V 350MA 1812

Littelfuse Inc.

840 -
RFQ
1812L035/60MR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 60V 350 mA 700 mA 10 A 150 ms 400 mOhms 1.7 Ohms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.071" (1.80mm) -
1812L260/12MR

1812L260/12MR

PTC RESET FUSE 12V 2.6A 1812

Littelfuse Inc.

744 -
RFQ
1812L260/12MR

Datasheet

1812 (4532 Metric), Concave POLY-FUSE®, 1812L Tape & Reel (TR) Active Polymeric 12V 2.6 A 5 A 100 A 5 s 15 mOhms 55 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.053" (1.34mm) -
B59870C0120A070

B59870C0120A070

PTC RESET FUSE 265V 100MA RADIAL

EPCOS - TDK Electronics

64 -
RFQ
B59870C0120A070

Datasheet

Radial, Disc - Bulk Active Ceramic 265V 100 mA 200 mA 1 A - - - 25 Ohms 0°C ~ 60°C - - - Through Hole 0.354" Dia x 0.197" T (9.00mm x 5.00mm) 0.492" (12.50mm) - 0.197" (5.00mm)
0603L003/36YR

0603L003/36YR

PTC RESET FUSE 36V 30MA 0603

Littelfuse Inc.

40 -
RFQ
0603L003/36YR

Datasheet

0603 (1608 Metric), Concave POLY-FUSE®, 0603L Tape & Reel (TR) Active Polymeric 36V 30 mA 90 mA 40 A 1 s 6 Ohms 50 Ohms - -40°C ~ 85°C - - - Surface Mount 0.063" L x 0.031" W (1.60mm x 0.80mm) - 0.039" (1.00mm) -
2920L500/16MR

2920L500/16MR

PTC RESET FUSE 16V 5A 2920

Littelfuse Inc.

53 -
RFQ
2920L500/16MR

Datasheet

2920 (7351 Metric), Concave POLY-FUSE®, 2920L Tape & Reel (TR) Active Polymeric 16V 5 A 10 A 40 A 5 s 5 mOhms 25 mOhms - -40°C ~ 85°C - - - Surface Mount 0.289" L x 0.202" W (7.35mm x 5.12mm) - 0.063" (1.60mm) -
1210L900SLPR

1210L900SLPR

PTC RESET FUSE 9.0A 6V 1210

Littelfuse Inc.

965 -
RFQ
1210L900SLPR

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, LoRho Tape & Reel (TR) Active Polymeric 6V 9 A 18 A 50 A 2 s 1 Ohms 5.5 Ohms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.101" W (3.22mm x 2.58mm) - 0.055" (1.40mm) -
YQD120N0006

YQD120N0006

PTC RESET FUSE 265V 390MA RADIAL

Amphenol Advanced Sensors (Thermometrics)

35 -
RFQ
YQD120N0006

Datasheet

Radial, Disc YQ Bulk Active Ceramic 265V 390 mA 780 mA 3.1 A - - - 6 Ohms 0°C ~ 60°C - - - Through Hole 0.689" Dia x 0.197" T (17.50mm x 5.00mm) - - 0.201" (5.10mm)
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