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
0ZCF0600FF2C

0ZCF0600FF2C

PTC RESET FUSE 6.0A 12V SMD 2920

Bel Fuse Inc.

1,904 -
RFQ
0ZCF0600FF2C

Datasheet

2920 (7351 Metric), Concave 0ZCF Tape & Reel (TR) Active Polymeric 12V 6 A 12 A 100 A 2 s 4 mOhms 20 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.290" L x 0.202" W (7.36mm x 5.12mm) - 0.067" (1.70mm) -
TR600-150F-EX

TR600-150F-EX

PTC RESET FUSE 250V 150MA RADIAL

Littelfuse Inc.

165 -
RFQ
TR600-150F-EX

Datasheet

Radial, Disc PolySwitch®, TR600 Bag Active Polymeric 250V (600V Int) 150 mA 300 mA 40 A 8 s 6 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.532" L x 0.236" W (13.50mm x 6.00mm) 0.496" (12.60mm) - 0.197" (5.00mm)
CMF-SDP50A-2

CMF-SDP50A-2

PTC RESET FUSE 230V 90MA 4SMD

Bourns Inc.

9,503 -
RFQ
CMF-SDP50A-2

Datasheet

4-SMD Cube CMF-SDP Tape & Reel (TR) Active Ceramic 230V (600V Int) 90 mA 190 mA 2.5 A 200 ms - - 50 Ohms -40°C ~ 125°C - - - Surface Mount 0.344" L x 0.283" W (8.75mm x 7.20mm) - 0.402" (10.20mm) -
AHRF1300

AHRF1300

PTC RESET FUSE 16V 13A RADIAL

Littelfuse Inc.

137 -
RFQ
AHRF1300

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 13 A 27 A 100 A 15 s 3.4 mOhms 10 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.925" L x 0.138" W (23.50mm x 3.50mm) 1.130" (28.70mm) - 0.400" (10.15mm)
MF-RG900-2

MF-RG900-2

PTC RESET FUSE 16V 9A RADIAL

Bourns Inc.

5,916 -
RFQ
MF-RG900-2

Datasheet

Radial, Disc Multifuse®, MF-RG Tape & Reel (TR) Active Polymeric 16V 9 A 15.3 A 100 A 12 s 4 mOhms 15 mOhms - -40°C ~ 85°C - - - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.819" (20.80mm) - 0.201" (5.10mm)
AHRF800

AHRF800

PTC RESET FUSE 16V 8A RADIAL

Littelfuse Inc.

192 -
RFQ
AHRF800

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 8 A 15 A 100 A 8 s 7.2 mOhms 20 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 0.886" (22.50mm) - 0.199" (5.05mm)
AGRF1000-2

AGRF1000-2

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

671 -
RFQ
AGRF1000-2

Datasheet

Radial, Disc PolySwitch®, AGRF Tape & Reel (TR) Active Polymeric 16V 10 A 18.5 A 100 A 7 s 3.4 mOhms 10.2 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.199" (5.05mm)
MF-RHT900-0

MF-RHT900-0

PTC RESET FUSE 16V 9A RADIAL

Bourns Inc.

924 -
RFQ
MF-RHT900-0

Datasheet

Radial, Disc Multifuse®, MF-RHT Bag Active Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 mOhms 17 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.201" (5.10mm)
B59850C0120A051

B59850C0120A051

PTC RESET FUSE 265V 200MA RADIAL

EPCOS - TDK Electronics

844 -
RFQ
B59850C0120A051

Datasheet

Radial, Disc - Tape & Reel (TR) Active Ceramic 265V 200 mA 400 mA 2.2 A - - - 10 Ohms 0°C ~ 60°C - - - Through Hole 0.532" Dia x 0.197" T (13.50mm x 5.00mm) 0.669" (17.00mm) - 0.197" (5.00mm)
RHEF1000-2

RHEF1000-2

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

1,935 -
RFQ
RHEF1000-2

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Active Polymeric 16V 10 A 18.5 A 100 A 9 s 6.2 mOhms 15 mOhms - -40°C ~ 125°C - - - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.043" (26.50mm) - 0.400" (10.15mm)
LVR075K-240

LVR075K-240

PTC RESET FUSE

Littelfuse Inc.

404 -
RFQ
LVR075K-240

Datasheet

Radial, Disc LVR Bulk Active Polymeric 240V (265V Int) 750 mA 1.5 A 7.5 A 18 s 316 mOhms 839 mOhms 483 mOhms -20°C ~ 85°C - - - Through Hole 0.453" L x 0.161" W (11.50mm x 4.10mm) 1.000" (25.40mm) - 0.201" (5.10mm)
TRF600-160-0.130

TRF600-160-0.130

PTC RESET FUSE 250V 160MA RADIAL

Littelfuse Inc.

1,978 -
RFQ
TRF600-160-0.130

Datasheet

Radial, Disc PolySwitch®, TRF600 Bag Active Polymeric 250V (600V Int) 160 mA 320 mA 60 A 18 s 4 Ohms 18 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)
MF-RHT900-2

MF-RHT900-2

PTC RESET FUSE 16V 9A RADIAL

Bourns Inc.

2,988 -
RFQ
MF-RHT900-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 9 A 16.5 A 100 A 10 s 7.4 mOhms 17 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.650" L x 0.118" W (16.50mm x 3.00mm) 1.012" (25.70mm) - 0.201" (5.10mm)
CMF-SDP25A-2

CMF-SDP25A-2

PTC RESET FUSE 230V 130MA 4SMD

Bourns Inc.

2,031 -
RFQ
CMF-SDP25A-2

Datasheet

4-SMD Cube CMF-SDP Tape & Reel (TR) Active Ceramic 230V (250V Int) 130 mA 260 mA 2.8 A 300 ms - - 25 Ohms -40°C ~ 125°C - - - Surface Mount 0.344" L x 0.283" W (8.75mm x 7.20mm) - 0.402" (10.20mm) -
AHRL800

AHRL800

PTC RESET FUSE 8A 16V RAD

Littelfuse Inc.

310 -
RFQ
AHRL800

Datasheet

Radial, Disc PolySwitch®, AHRL Bulk Active Polymeric 16V 8 A 16 A 100 A 8 s 6 mOhms 10.5 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.504" L x 0.142" W (12.80mm x 3.60mm) 0.803" (20.40mm) - 0.199" (5.05mm)
PTSLR18126V370

PTSLR18126V370

PTC RESET FUSE 6V 3.7A 1812

Eaton - Electronics Division

2,124 -
RFQ
PTSLR18126V370

Datasheet

1812 (4532 Metric), Concave PTSLR1812 Tape & Reel (TR) Active Polymeric 6V 3.7 A 9.1 A 50 A 2 s 3 mOhms 18 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
PTSLR18126V270

PTSLR18126V270

PTC RESET FUSE 6V 2.7A 1812

Eaton - Electronics Division

1,960 -
RFQ
PTSLR18126V270

Datasheet

1812 (4532 Metric), Concave PTSLR1812 Tape & Reel (TR) Active Polymeric 6V 2.7 A 6.2 A 50 A 2 s 3 mOhms 23 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.028" (0.70mm) -
B59735T1120A062

B59735T1120A062

THERMISTOR PTC 35 OHM 15% 4SMD

EPCOS - TDK Electronics

968 -
RFQ
B59735T1120A062

Datasheet

4-SMD - Tape & Reel (TR) Active Ceramic 135VAC 110 mA 230 mA 4.6 A 0.04 s 35 Ohms - - 0°C ~ 70°C - - - Surface Mount 0.413" L x 0.335" W (10.50mm x 8.50mm) - 0.413" (10.50mm) -
B59750T1120A062

B59750T1120A062

THERMISTOR PTC 50 OHM 15% 4SMD

EPCOS - TDK Electronics

965 -
RFQ
B59750T1120A062

Datasheet

4-SMD B59750 Tape & Reel (TR) Active Ceramic 135VAC 90 mA 190 mA 2.5 A 0.1 s 50 Ohms - - 0°C ~ 70°C - - - Surface Mount 0.413" L x 0.335" W (10.50mm x 8.50mm) - 0.413" (10.50mm) -
PFRA.110.2

PFRA.110.2

PTC RESET FUSE 30V RADIAL DISC

SCHURTER Inc.

2,374 -
RFQ
PFRA.110.2

Datasheet

Radial, Disc PFRA Tape & Reel (TR) Active Polymeric 30V - 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)
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