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-RX090/72-2-17

MF-RX090/72-2-17

PTC RESETTABLE 0.9A 72V RADIAL L

Bourns Inc.

7,655 -
RFQ
MF-RX090/72-2-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 900 mA 1.8 A 40 A 7.2 s 140 mOhms 470 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.461" Dia x 0.122" T (11.70mm x 3.10mm) 0.657" (16.70mm) - 0.201" (5.10mm)
MF-RX025/72-2-17

MF-RX025/72-2-17

PTC RESETTABLE 0.25A 72V RADIAL

Bourns Inc.

6,938 -
RFQ
MF-RX025/72-2-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Tape & Reel (TR) Active Polymeric 72V 250 mA 500 mA 40 A 2.5 s 1 Ohms 3 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.500" (12.70mm) - 0.201" (5.10mm)
MF-RX065/72-0-17

MF-RX065/72-0-17

PTC RESETTABLE 0.65A 72V RADIAL

Bourns Inc.

9,728 -
RFQ
MF-RX065/72-0-17

Datasheet

Radial, Disc Multifuse®, MF-RX/72 Bulk Active Polymeric 72V 650 mA 1.3 A 40 A 5.3 s 270 mOhms 720 mOhms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.382" Dia x 0.122" T (9.70mm x 3.10mm) 0.598" (15.20mm) - 0.201" (5.10mm)
PFRX.135.2

PFRX.135.2

PTC RESET FUSE 60V 1.35A RADIAL

SCHURTER Inc.

9,828 -
RFQ
PFRX.135.2

Datasheet

Radial, Disc PFRX Tape & Reel (TR) Obsolete Polymeric 60V 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 0.122" T (14.50mm x 3.10mm) 0.772" (19.60mm) - 0.201" (5.10mm)
PFRX.110.2

PFRX.110.2

PTC RESET FUSE 60V 1.1A RADIAL

SCHURTER Inc.

9,954 -
RFQ
PFRX.110.2

Datasheet

Radial, Disc PFRX Tape & Reel (TR) Obsolete Polymeric 60V 1.1 A 2.2 A 40 A 8.2 s 150 mOhms 380 mOhms - -40°C ~ 85°C - - - Through Hole 0.512" Dia x 0.122" T (13.00mm x 3.10mm) 0.709" (18.00mm) - 0.201" (5.10mm)
RGEF500-0.178

RGEF500-0.178

PTC RESET FUSE 16V 5A RADIAL

Littelfuse Inc.

2,287 -
RFQ
RGEF500-0.178

Datasheet

Radial, Disc PolySwitch®, RGEF Bulk Obsolete 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)
RUEF400K-0.138

RUEF400K-0.138

PTC RESET FUSE 30V 4A RADIAL

Littelfuse Inc.

3,574 -
RFQ
RUEF400K-0.138

Datasheet

Radial, Disc PolySwitch®, RUEF Bulk Obsolete Polymeric 30V 4 A 8 A 100 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) 0.839" (21.30mm) - 0.199" (5.05mm)
PTGL07ARR47M1B51A0

PTGL07ARR47M1B51A0

PTC RESET FUSE 16V 705MA RADIAL

Murata Electronics

9,011 -
RFQ
PTGL07ARR47M1B51A0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 16V 705 mA 1.31 A 5 A - - - 470 mOhms -10°C ~ 60°C - - - Through Hole 0.295" Dia x 0.138" T (7.50mm x 3.50mm) 0.472" (12.00mm) - 0.197" (5.00mm)
VTP170XSDDF

VTP170XSDDF

PTC RESET FUSE 16V 1.7A STRAP

Littelfuse Inc.

8,333 -
RFQ

-

Strap PolySwitch®, VTP Bulk Discontinued at Digi-Key Polymeric 16V 1.7 A 3.4 A 100 A 5 s 30 mOhms 105 mOhms - -40°C ~ 85°C - - - User Defined - - - -
RHEF600S

RHEF600S

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

4,631 -
RFQ
RHEF600S

Datasheet

Radial, Disc PolySwitch®, RHEF Bag Obsolete Polymeric 16V 6 A 10.8 A 100 A 5 s 13 mOhms 32 mOhms - -40°C ~ 125°C - - - Through Hole 0.441" L x 0.118" W (11.20mm x 3.00mm) 0.827" (21.00mm) - 0.199" (5.05mm)
CMF-RL35A-0

CMF-RL35A-0

PTC RESET FUSE 220V 75MA RADIAL

Bourns Inc.

4,155 -
RFQ
CMF-RL35A-0

Datasheet

Radial, Disc CMF-RL Bulk Active Ceramic 220V (600V Int) 75 mA 150 mA 3 A 150 ms - - 35 Ohms -40°C ~ 125°C - - - Through Hole 0.295" L x 0.220" W (7.50mm x 5.60mm) 0.512" (13.00mm) - 0.197" (5.00mm)
CMF-RL55-0

CMF-RL55-0

PTC RESET FUSE 220V 65MA RADIAL

Bourns Inc.

4,885 -
RFQ
CMF-RL55-0

Datasheet

Radial, Disc CMF-RL Bulk Active Ceramic 220V (600V Int) 65 mA 150 mA 3 A 150 ms - - 55 Ohms -40°C ~ 125°C - - - Through Hole 0.386" L x 0.197" W (9.80mm x 5.00mm) 0.532" (13.50mm) - 0.200" (5.08mm)
MF-SVS175-0

MF-SVS175-0

PTC RESET FUSE 10V 1.75A STRAP

Bourns Inc.

9,961 -
RFQ
MF-SVS175-0

Datasheet

Strap Multifuse®, MF-SVS Bulk Active Polymeric 10V 1.75 A 4.2 A 100 A 5 s 17 mOhms 63 mOhms - -40°C ~ 85°C - - - User Defined 0.669" L x 0.205" W (17.00mm x 5.20mm) - 0.035" (0.90mm) -
MF-VS175N-0

MF-VS175N-0

PTC RESET FUSE 12V 1.75A STRAP

Bourns Inc.

9,151 -
RFQ
MF-VS175N-0

Datasheet

Strap Multifuse®, MF-VS Bulk Active Polymeric 12V 1.75 A 3.5 A 100 A 3 s 29 mOhms 102 mOhms - -40°C ~ 85°C - - - User Defined - - - -
12VL175XLU

12VL175XLU

PTC RESET FUSE 12V 1.75A STRAP

Littelfuse Inc.

5,871 -
RFQ
12VL175XLU

Datasheet

Strap POLY-FUSE®, VL Bulk Obsolete Polymeric 12V 1.75 A 4.2 A 100 A 5 s 17 mOhms 62 mOhms - -40°C ~ 85°C - - - User Defined 1.057" L x 0.146" W (26.85mm x 3.70mm) - 0.032" (0.80mm) -
12VL230U

12VL230U

PTC RESET FUSE 12V 2.3A STRAP

Littelfuse Inc.

7,904 -
RFQ
12VL230U

Datasheet

Strap POLY-FUSE®, VL Bulk Obsolete Polymeric 12V 2.3 A 5 A 100 A 5 s 12 mOhms 36 mOhms - -40°C ~ 85°C - - - User Defined 0.866" L x 0.201" W (22.00mm x 5.10mm) - 0.032" (0.80mm) -
SMD1210P110TFA

SMD1210P110TFA

PTC RESET FUSE 6V 1.1A 1210

Littelfuse Inc.

3,906 -
RFQ
SMD1210P110TFA

Datasheet

1210 (3225 Metric), Concave POLY-FUSE®, SMD1210 Tape & Reel (TR) Obsolete Polymeric 6V 1.1 A 2.2 A 40 A 300 ms 60 mOhms 210 mOhms - -40°C ~ 85°C - - - Surface Mount 0.127" L x 0.102" W (3.22mm x 2.58mm) - 0.043" (1.10mm) -
16R600GPR

16R600GPR

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

9,818 -
RFQ
16R600GPR

Datasheet

Radial, Disc POLY-FUSE®, 16R Tape & Box (TB) Obsolete Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C - - - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
16R600GDR

16R600GDR

PTC RESET FUSE 16V 6A RADIAL

Littelfuse Inc.

3,373 -
RFQ
16R600GDR

Datasheet

Radial, Disc POLY-FUSE®, 16R Cut Tape (CT) Obsolete Polymeric 16V 6 A 10.2 A 100 A 3.3 s 10 mOhms 28 mOhms - -40°C ~ 85°C - - - Through Hole 0.421" L x 0.118" W (10.70mm x 3.00mm) 0.673" (17.10mm) - 0.201" (5.10mm)
PTGL9SARR33M1B51B0

PTGL9SARR33M1B51B0

PTC RESET FUSE 16V 875MA RADIAL

Murata Electronics

9,410 -
RFQ
PTGL9SARR33M1B51B0

Datasheet

Radial, Disc POSISTOR®, PTGL Bulk Obsolete Ceramic 16V 875 mA 1.625 A 7 A - - - 330 mOhms -30°C ~ 85°C - - - Through Hole 0.354" Dia x 0.138" T (9.00mm x 3.50mm) 0.551" (14.00mm) - 0.197" (5.00mm)
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