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
AHRF750-2

AHRF750-2

PTC RESET FUSE 16V 7.5A RADIAL

Littelfuse Inc.

1,000 -
RFQ
AHRF750-2

Datasheet

Radial, Disc PolySwitch®, AHRF Tape & Reel (TR) Active Polymeric 16V 7.5 A 14.8 A 100 A 8 s 7.4 mOhms 22 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.925" (23.50mm) - 0.200" (5.08mm)
MF-RHT700-2

MF-RHT700-2

PTC RESET FUSE 16V 7A RADIAL

Bourns Inc.

51 -
RFQ
MF-RHT700-2

Datasheet

Radial, Disc Multifuse®, MF-RHT Tape & Reel (TR) Active Polymeric 16V 7 A 13 A 100 A 7 s 10 mOhms 25 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.551" L x 0.118" W (14.00mm x 3.00mm) 0.862" (21.90mm) - 0.201" (5.10mm)
AGRF1000

AGRF1000

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

94 -
RFQ
AGRF1000

Datasheet

Radial, Disc PolySwitch®, AGRF Bag 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)
AGRF1100-2

AGRF1100-2

PTC RESET FUSE 16V 11A RADIAL

Littelfuse Inc.

1,000 -
RFQ
AGRF1100-2

Datasheet

Radial, Disc PolySwitch®, AGRF Tape & Reel (TR) Active Polymeric 16V 11 A 20.3 A 100 A 7.5 s 3.3 mOhms 8.9 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.043" (26.50mm) - 0.228" (5.80mm)
LVR055S-1

LVR055S-1

PTC RESET FUSE 240V 550MA RADIAL

Littelfuse Inc.

756 -
RFQ
LVR055S-1

Datasheet

Radial, Disc PolySwitch®, LVR Bag Active Polymeric 240V (265V Int) 550 mA 1.25 A 7 A 26 s 450 mOhms 1.45 Ohms - -20°C ~ 85°C - - - Through Hole 0.551" L x 0.161" W (14.00mm x 4.10mm) 0.854" (21.70mm) - 0.200" (5.08mm)
AHRF1000

AHRF1000

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

40 -
RFQ
AHRF1000

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 10 A 20.5 A 100 A 10.5 s 5.1 mOhms 15 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.043" (26.50mm) - 0.400" (10.15mm)
TRF600-160-1

TRF600-160-1

PTC RESET FUSE 250V 160MA RADIAL

Littelfuse Inc.

254 -
RFQ
TRF600-160-1

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) - 0.197" (5.00mm)
RHEF1300-2

RHEF1300-2

PTC RESET FUSE 16V 13A RADIAL

Littelfuse Inc.

210 -
RFQ
RHEF1300-2

Datasheet

Radial, Disc PolySwitch®, RHEF Tape & Reel (TR) Active Polymeric 16V 13 A 24 A 100 A 13 s 4.1 mOhms 10 mOhms - -40°C ~ 125°C - - - Through Hole 0.925" L x 0.142" W (23.50mm x 3.60mm) 1.130" (28.70mm) - 0.400" (10.15mm)
CMF-SDP10-2

CMF-SDP10-2

PTC RESET FUSE 230V 180MA 4SMD

Bourns Inc.

94 -
RFQ
CMF-SDP10-2

Datasheet

4-SMD Cube CMF-SDP Tape & Reel (TR) Active Ceramic 230V (250V Int) 180 mA 360 mA 1 A 3.8 s - - 10 Ohms -40°C ~ 125°C - - - Surface Mount 0.433" L x 0.354" W (11.00mm x 9.00mm) - 0.453" (11.50mm) -
AHRF1000-2

AHRF1000-2

PTC RESET FUSE 16V 10A RADIAL

Littelfuse Inc.

1,000 -
RFQ
AHRF1000-2

Datasheet

Radial, Disc PolySwitch®, AHRF Tape & Reel (TR) Active Polymeric 16V 10 A 20.5 A 100 A 10.5 s 5.1 mOhms 15 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.689" L x 0.118" W (17.50mm x 3.00mm) 1.043" (26.50mm) - 0.400" (10.15mm)
AHRF1400

AHRF1400

PTC RESET FUSE 16V 14A RADIAL

Littelfuse Inc.

32 -
RFQ
AHRF1400

Datasheet

Radial, Disc PolySwitch®, AHRF Bag Active Polymeric 16V 14 A 28.3 A 100 A 15.5 s 2.9 mOhms 9 mOhms - -40°C ~ 125°C Automotive AEC-Q200 - Through Hole 0.925" L x 0.142" W (23.50mm x 3.60mm) 1.126" (28.60mm) - 0.400" (10.15mm)
YQS5898PTO

YQS5898PTO

PTC RESET FUSE 12V RADIAL DISC

Amphenol Advanced Sensors (Thermometrics)

30 -
RFQ
YQS5898PTO

Datasheet

Radial, Disc PTO Bulk Active Ceramic 12V - - - - - - 25 Ohms 10°C ~ 55°C - - - Through Hole 0.350" Dia x 0.150" T (8.90mm x 3.80mm) 0.350" (8.89mm) - 0.197" (5.00mm)
B59880C0120A051

B59880C0120A051

PTC RESET FUSE 265V 55MA RADIAL

EPCOS - TDK Electronics

35 -
RFQ
B59880C0120A051

Datasheet

Radial, Disc - Tape & Reel (TR) Active Ceramic 265V 55 mA 110 mA 400 mA - - - 70 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)
BK30-090-SI

BK30-090-SI

PTC RESET FUSE 30V 900MA RAD

YAGEO

1,000 -
RFQ
BK30-090-SI

Datasheet

Radial, Disc BK30 Bulk Active Polymeric 30V 900 mA 1.8 A 40 A 5.9 s 90 mOhms 220 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.122" W (7.40mm x 3.10mm) 0.571" (14.50mm) - 0.201" (5.10mm)
BK30-135-SI

BK30-135-SI

PTC RESET FUSE 30V 1.35A RAD

YAGEO

1,000 -
RFQ
BK30-135-SI

Datasheet

Radial, Disc BK30 Bulk Active Polymeric 30V 1.35 A 2.7 A 40 A 7.3 s 55 mOhms 160 mOhms - -40°C ~ 85°C - - - Through Hole 0.362" L x 0.122" W (9.20mm x 3.10mm) 0.661" (16.80mm) - 0.201" (5.10mm)
BK60-010-DZ

BK60-010-DZ

PTC RESET FUSE 60V 100MA RAD

YAGEO

640 -
RFQ
BK60-010-DZ

Datasheet

Radial, Disc BK60 Bulk Active Polymeric 60V 100 mA 200 mA 40 A 4 s 2.5 Ohms 7.5 Ohms - -40°C ~ 85°C - - - Through Hole 0.236" Dia x 0.122" T (6.00mm x 3.10mm) 0.374" (9.50mm) - 0.201" (5.10mm)
BK250-060-DY

BK250-060-DY

PTC RESET FUSE 250V 60MA RAD

YAGEO

1,000 -
RFQ
BK250-060-DY

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 60 mA 120 mA 3 A 5 s 20 Ohms 45 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.181" T (7.40mm x 4.60mm) 0.571" (14.50mm) - 0.201" (5.10mm)
BK250-080-DY

BK250-080-DY

PTC RESET FUSE 250V 80MA RAD

YAGEO

982 -
RFQ
BK250-080-DY

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 80 mA 160 mA 3 A 5 s 10 Ohms 22 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.181" T (7.40mm x 4.60mm) 0.571" (14.50mm) - 0.201" (5.10mm)
BK250-040-DY

BK250-040-DY

PTC RESET FUSE 250V 40MA RAD

YAGEO

973 -
RFQ
BK250-040-DY

Datasheet

Radial, Disc BK250 Bulk Active Polymeric 250V 40 mA 80 mA 3 A 6 s 27 Ohms 65 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.181" T (7.40mm x 4.60mm) 0.531" (13.50mm) - 0.201" (5.10mm)
BK30-110-SI

BK30-110-SI

PTC RESET FUSE 30V 1.1A RAD

YAGEO

1,000 -
RFQ
BK30-110-SI

Datasheet

Radial, Disc BK30 Bulk Active Polymeric 30V 1.1 A 2.2 A 40 A 6.6 s 70 mOhms 200 mOhms - -40°C ~ 85°C - - - Through Hole 0.291" L x 0.122" W (7.40mm x 3.10mm) 0.701" (17.80mm) - 0.201" (5.10mm)
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