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
0ZRE0016FF2C

0ZRE0016FF2C

PTC RESET FUSE 240V 160MA RADIAL

Bel Fuse Inc.

141 -
RFQ
0ZRE0016FF2C

Datasheet

Radial, Disc 0ZRE Tape & Reel (TR) Active Polymeric 240V 160 mA 370 mA 2 A 15 s 2.5 Ohms 7.8 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.390" L x 0.150" W (9.90mm x 3.80mm) 0.492" (12.50mm) - 0.201" (5.10mm)
PFRA.135

PFRA.135

PTC RESET FUSE 30V 1.35A RADIAL

SCHURTER Inc.

751 -
RFQ
PFRA.135

Datasheet

Radial, Disc PFRA Bulk Active Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 65 mOhms 170 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.744" (18.90mm) - 0.201" (5.10mm)
0ZRM0030FF2C

0ZRM0030FF2C

PTC RESET FUSE 120V 300MA RADIAL

Bel Fuse Inc.

389 -
RFQ
0ZRM0030FF2C

Datasheet

Radial, Disc 0ZRM Tape & Reel (TR) Active Polymeric 120V 300 mA 600 mA 3 A 8.5 s 880 mOhms 2.1 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.311" Dia x 0.150" T (7.90mm x 3.80mm) 0.512" (13.00mm) - 0.201" (5.10mm)
MF-NSML200/6-2

MF-NSML200/6-2

PTC RESET FUSE 6V 2A 1206

Bourns Inc.

593 -
RFQ
MF-NSML200/6-2

Datasheet

1206 (3216 Metric), Concave Multifuse®, MF-NSML/X Tape & Reel (TR) Active Polymeric 6V 2 A 4 A 50 A 5 s 5 mOhms 40 mOhms - -40°C ~ 85°C - - - Surface Mount 0.128" L x 0.063" W (3.25mm x 1.60mm) - 0.028" (0.70mm) -
PTR030V0400-BK

PTR030V0400-BK

PTC RESET FUSE 30V 4A RADIAL

Eaton - Electronics Division

226 -
RFQ
PTR030V0400-BK

Datasheet

Radial, Disc PTR030V Bulk 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) 0.791" (20.10mm) - 0.197" (5.00mm)
PFSM.150.33.2

PFSM.150.33.2

PTC RESET FUSE 33V 1.5A 2SMD

SCHURTER Inc.

193 -
RFQ
PFSM.150.33.2

Datasheet

2-SMD PFSM Tape & Reel (TR) Active Polymeric 33V 1.5 A 3 A 40 A 5 s 60 mOhms 230 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.344" L x 0.264" W (8.75mm x 6.71mm) - 0.118" (3.00mm) -
RXEF135K

RXEF135K

PTC RESET FUSE 72V 1.35A RADIAL

Littelfuse Inc.

349 -
RFQ
RXEF135K

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole 0.535" Dia x 0.118" T (13.58mm x 3.00mm) 0.776" (19.70mm) - 0.199" (5.05mm)
MF-LR260

MF-LR260

PTC RESET FUSE 15V 2.6A STRAP

Bourns Inc.

484 -
RFQ
MF-LR260

Datasheet

Strap Multifuse®, MF-LR Bulk Active Polymeric 15V 2.6 A 5.8 A 100 A 5 s 20 mOhms 83 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.199" W (22.00mm x 5.05mm) - 0.039" (1.00mm) -
RHEF550

RHEF550

PTC RESET FUSE 16V 5.5A RADIAL

Littelfuse Inc.

67 -
RFQ
RHEF550

Datasheet

Radial, Disc PolySwitch®, RHEF Bag Active Polymeric 16V 5.5 A 10 A 100 A 6 s 15 mOhms 37 mOhms - -40°C ~ 125°C - - - Through Hole 0.441" Dia x 0.118" T (11.20mm x 3.00mm) 0.744" (18.90mm) - 0.199" (5.05mm)
MINIASMDC150F/16-2

MINIASMDC150F/16-2

PTC RESET FUSE 16V 1.5A 1812

Littelfuse Inc.

994 -
RFQ
MINIASMDC150F/16-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 16V 1.5 A 2.8 A 100 A 500 ms 40 mOhms 110 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) -
RXEF110-AP

RXEF110-AP

PTC RESET FUSE 72V 1.1A RADIAL

Littelfuse Inc.

1,727 -
RFQ
RXEF110-AP

Datasheet

Radial, Disc PolySwitch®, RXEF Cut Tape (CT) Active Polymeric 72V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.504" Dia x 0.118" T (12.80mm x 3.00mm) 0.689" (17.50mm) - 0.199" (5.05mm)
RXEF135K-2

RXEF135K-2

PTC RESET FUSE 72V 1.35A RADIAL

Littelfuse Inc.

678 -
RFQ
RXEF135K-2

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 1.35 A 2.7 A 40 A 9.6 s 120 mOhms 300 mOhms - -40°C ~ 85°C - - - Through Hole - 0.780" (19.80mm) - 0.199" (5.05mm)
RXEF135-1

RXEF135-1

PTC RESET FUSE 72V 1.35A RADIAL

Littelfuse Inc.

104 -
RFQ
RXEF135-1

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 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) 0.752" (19.10mm) - 0.199" (5.05mm)
RXEF160K

RXEF160K

PTC RESET FUSE 72V 1.6A RADIAL

Littelfuse Inc.

257 -
RFQ
RXEF160K

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 1.6 A 3.2 A 40 A 11.4 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.642" Dia x 0.118" T (16.30mm x 3.00mm) 0.819" (20.80mm) - 0.199" (5.05mm)
AGRF1200

AGRF1200

PTC RESET FUSE 16V 12A RADIAL

Littelfuse Inc.

174 -
RFQ
AGRF1200

Datasheet

Radial, Disc PolySwitch®, AGRF Bag Active Polymeric 16V 12 A 22.1 A 100 A 8 s 3 mOhms 8.6 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.138" W (17.50mm x 3.50mm) 1.134" (28.80mm) - 0.400" (10.15mm)
RGEF500K

RGEF500K

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

286 -
RFQ
RGEF500K

Datasheet

Radial, Disc PolySwitch®, RGEF Bag Active Polymeric 16V 5 A 8.5 A 100 A 2 s 15 mOhms 34 mOhms - -40°C ~ 85°C - - - Through Hole 0.390" L x 0.098" W (9.90mm x 2.50mm) 0.563" (14.30mm) - 0.199" (5.05mm)
AHRL450

AHRL450

PTC RESET FUSE 4.5A 16V RAD

Littelfuse Inc.

34 -
RFQ
AHRL450

Datasheet

Radial, Disc PolySwitch®, AHRL Bulk Active Polymeric 16V 4.5 A 9 A 50 A 5.5 s 14.5 mOhms 26 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.331" L x 0.118" W (8.40mm x 3.00mm) 0.555" (14.10mm) - 0.199" (5.05mm)
MF-R065-AP

MF-R065-AP

PTC RESET FUSE 60V 650MA RADIAL

Bourns Inc.

940 -
RFQ
MF-R065-AP

Datasheet

Radial, Disc Multifuse®, MF-R Cut Tape (CT) Active Polymeric 60V 650 mA 1.3 A 40 A 5.3 s 270 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.382" Dia x 0.122" T (9.70mm x 3.10mm) 0.598" (15.20mm) - 0.201" (5.10mm)
MF-R110-AP

MF-R110-AP

PTC RESET FUSE 30V 1.1A RADIAL

Bourns Inc.

281 -
RFQ
MF-R110-AP

Datasheet

Radial, Disc Multifuse®, MF-R Cut Tape (CT) Active Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 100 mOhms 270 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" Dia x 0.118" T (8.90mm x 3.00mm) 0.551" (14.00mm) - 0.201" (5.10mm)
PTR030V0500-BK

PTR030V0500-BK

PTC RESET FUSE 30V 5A RADIAL

Eaton - Electronics Division

435 -
RFQ
PTR030V0500-BK

Datasheet

Radial, Disc PTR030V Bulk Active Polymeric 30V 5 A 10 A 40 A 14.5 s 10 mOhms 50 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.980" (24.90mm) - 0.394" (10.00mm)
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