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

Reset All
Apply All
Result

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-SM150-2

MF-SM150-2

PTC RESET FUSE 15V 1.5A 2SMD

Bourns Inc.

3,735 -
RFQ
MF-SM150-2

Datasheet

2-SMD Multifuse®, MF-SM Tape & Reel (TR) Active Polymeric 15V 1.5 A 3 A 100 A 5 s 60 mOhms 250 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) -
MINIASMDC020F-2

MINIASMDC020F-2

PTC RESET FUSE 30V 200MA 1812

Littelfuse Inc.

2,826 -
RFQ
MINIASMDC020F-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniASMD Tape & Reel (TR) Active Polymeric 30V 200 mA 400 mA 10 A 20 ms 600 mOhms 3.3 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.035" (0.89mm) -
PRG21AR220MS1RK

PRG21AR220MS1RK

PTC RESET FUSE 16V 75MA 0805

Murata Electronics

2,600 -
RFQ
PRG21AR220MS1RK

Datasheet

0805 (2012 Metric) POSISTOR®, PRG Tape & Reel (TR) Active Ceramic 16V 75 mA 195 mA 900 mA - - - 22 Ohms -40°C ~ 105°C - - - Surface Mount 0.079" L x 0.049" W (2.00mm x 1.25mm) - 0.057" (1.45mm) -
MF-SMDF150-2

MF-SMDF150-2

PTC RESET FUSE 15V 1.5A 2018

Bourns Inc.

57,674 -
RFQ
MF-SMDF150-2

Datasheet

2018 (5045 Metric), Concave Multifuse®, MF-SMDF Tape & Reel (TR) Active Polymeric 15V 1.5 A 3 A 40 A 800 ms 50 mOhms 170 mOhms - -40°C ~ 85°C - - - Surface Mount 0.200" L x 0.180" W (5.08mm x 4.58mm) - 0.033" (0.85mm) -
MF-R075-2

MF-R075-2

PTC RESET FUSE 60V 750MA RADIAL

Bourns Inc.

21,356 -
RFQ
MF-R075-2

Datasheet

Radial, Disc Multifuse®, MF-R Tape & Reel (TR) Active Polymeric 60V 750 mA 1.5 A 40 A 6.3 s 180 mOhms 600 mOhms - -40°C ~ 85°C - - - Through Hole 0.409" Dia x 0.122" T (10.40mm x 3.10mm) 0.630" (16.00mm) - 0.201" (5.10mm)
MF-R185

MF-R185

PTC RESET FUSE 30V 1.85A RADIAL

Bourns Inc.

11,232 -
RFQ
MF-R185

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 1.85 A 3.7 A 40 A 8.7 s 40 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.472" Dia x 0.118" T (12.00mm x 3.00mm) 0.724" (18.40mm) - 0.201" (5.10mm)
RXEF065-2

RXEF065-2

PTC RESET FUSE 72V 650MA RADIAL

Littelfuse Inc.

10,420 -
RFQ
RXEF065-2

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 72V 650 mA 1.3 A 40 A 5.3 s 310 mOhms 720 mOhms - -40°C ~ 85°C - - - Through Hole 0.370" Dia x 0.118" T (9.40mm x 3.00mm) 0.571" (14.50mm) - 0.200" (5.08mm)
MF-R160

MF-R160

PTC RESET FUSE 30V 1.6A RADIAL

Bourns Inc.

4,872 -
RFQ
MF-R160

Datasheet

Radial, Disc Multifuse®, MF-R Bulk Active Polymeric 30V 1.6 A 3.2 A 40 A 8 s 55 mOhms 150 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" Dia x 0.118" T (10.20mm x 3.00mm) 0.661" (16.80mm) - 0.201" (5.10mm)
RXEF090

RXEF090

PTC RESET FUSE 72V 900MA RADIAL

Littelfuse Inc.

4,704 -
RFQ
RXEF090

Datasheet

Radial, Disc PolySwitch®, RXEF Bag Active Polymeric 72V 900 mA 1.8 A 40 A 7.2 s 200 mOhms 470 mOhms - -40°C ~ 85°C - - - Through Hole 0.441" Dia x 0.118" T (11.20mm x 3.00mm) 0.622" (15.80mm) - 0.199" (5.05mm)
RUEF160-2

RUEF160-2

PTC RESET FUSE 30V 1.6A RADIAL

Littelfuse Inc.

4,653 -
RFQ
RUEF160-2

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 1.6 A 3.2 A 100 A 8 s 30 mOhms 110 mOhms - -40°C ~ 85°C - - - Through Hole 0.350" L x 0.118" W (8.90mm x 3.00mm) 0.598" (15.20mm) - 0.199" (5.05mm)
MINISMDC300F-2

MINISMDC300F-2

PTC RESET FUSE 6V 3A 1812

Littelfuse Inc.

4,330 -
RFQ
MINISMDC300F-2

Datasheet

1812 (4532 Metric), Concave PolySwitch®, miniSMD Tape & Reel (TR) Active Polymeric 6V 3 A 6 A 100 A 5 s 11 mOhms 36 mOhms - -40°C ~ 85°C - - - Surface Mount 0.179" L x 0.128" W (4.55mm x 3.24mm) - 0.030" (0.76mm) -
RKEF050-AP

RKEF050-AP

PTC RESET FUSE 60V 500MA RADIAL

Littelfuse Inc.

3,898 -
RFQ
RKEF050-AP

Datasheet

Radial, Disc PolySwitch®, RKEF Cut Tape (CT) Active Polymeric 60V 500 mA 1 A 40 A 800 ms 320 mOhms 900 mOhms - -40°C ~ 85°C - - - Through Hole 0.280" L x 0.140" W (7.10mm x 3.56mm) 0.450" (11.43mm) - 0.199" (5.05mm)
0ZRE0012FF1C

0ZRE0012FF1C

PTC RESET FUSE 240V 120MA RADIAL

Bel Fuse Inc.

3,770 -
RFQ
0ZRE0012FF1C

Datasheet

Radial, Disc 0ZRE Box Active Polymeric 240V 120 mA 300 mA 2 A 15 s 3 Ohms 12 Ohms - -40°C ~ 85°C Automotive AEC-Q200 - Through Hole 0.327" L x 0.150" W (8.30mm x 3.80mm) 0.421" (10.70mm) - 0.201" (5.10mm)
60R020XPR

60R020XPR

PTC RESET FUSE 60V 200MA RADIAL

Littelfuse Inc.

2,882 -
RFQ
60R020XPR

Datasheet

Radial, Disc POLY-FUSE®, 60R Cut Tape (CT) Active Polymeric 60V 200 mA 400 mA 40 A 2.2 s 1.83 Ohms 4.4 Ohms - -40°C ~ 85°C - - - Through Hole 0.291" Dia x 0.122" T (7.40mm x 3.10mm) 0.461" (11.70mm) - 0.201" (5.10mm)
RXEF005-2

RXEF005-2

PTC RESET FUSE 60V 50MA RADIAL

Littelfuse Inc.

2,203 -
RFQ
RXEF005-2

Datasheet

Radial, Disc PolySwitch®, RXEF Tape & Reel (TR) Active Polymeric 60V 50 mA 100 mA 40 A 5 s 7.3 Ohms 20 Ohms - -40°C ~ 85°C - - - Through Hole 0.315" Dia x 0.118" T (8.00mm x 3.00mm) 0.327" (8.30mm) - 0.199" (5.05mm)
RUEF185-2

RUEF185-2

PTC RESET FUSE 30V 1.85A RADIAL

Littelfuse Inc.

40,617 -
RFQ
RUEF185-2

Datasheet

Radial, Disc PolySwitch®, RUEF Tape & Reel (TR) Active Polymeric 30V 1.85 A 3.7 A 100 A 8.7 s 30 mOhms 90 mOhms - -40°C ~ 85°C - - - Through Hole 0.402" L x 0.118" W (10.20mm x 3.00mm) 0.618" (15.70mm) - 0.199" (5.05mm)
MF-RX135/72-2

MF-RX135/72-2

PTC RESET FUSE 72V 1.35A RADIAL

Bourns Inc.

32,299 -
RFQ
MF-RX135/72-2

Datasheet

Radial, Disc Multifuse®, MF-RX/72 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 0.483" L x 0.122" W (12.26mm x 3.10mm) 0.718" (18.26mm) - 0.201" (5.10mm)
1206L075THYR

1206L075THYR

PTC RESET FUSE 8V 750MA 1206

Littelfuse Inc.

12,537 -
RFQ
1206L075THYR

Datasheet

1206 (3216 Metric), Concave POLY-FUSE®, 1206L Tape & Reel (TR) Active Polymeric 8V 750 mA 1.5 A 100 A 200 ms 90 mOhms 290 mOhms - -40°C ~ 85°C - - - Surface Mount 0.126" L x 0.065" W (3.20mm x 1.65mm) - 0.030" (0.75mm) -
MF-FSML125/8-2

MF-FSML125/8-2

PTC RESET FUSE 8V 1.25A 0603

Bourns Inc.

6,998 -
RFQ
MF-FSML125/8-2

Datasheet

0603 (1608 Metric), Concave Multifuse®, MF-FSML Tape & Reel (TR) Active Polymeric 8V 1.25 A 2.5 A 50 A 3 s 20 mOhms 180 mOhms - -40°C ~ 85°C - - - Surface Mount 0.065" L x 0.033" W (1.65mm x 0.85mm) - 0.028" (0.70mm) -
MF-PSML300/6-2

MF-PSML300/6-2

PTC RESET FUSE 6V 3A 0805

Bourns Inc.

2,970 -
RFQ
MF-PSML300/6-2

Datasheet

0805 (2012 Metric), Concave Multifuse®, MF-PSML/X Tape & Reel (TR) Active Polymeric 6V 3 A 6 A 50 A 5 s 3 mOhms 20 mOhms - -40°C ~ 85°C - - - Surface Mount 0.085" L x 0.053" W (2.15mm x 1.35mm) - 0.055" (1.40mm) -
Total 4956 Record«Prev1... 2223242526272829...248Next»
TomatoElec

Search

TomatoElec

Products

TomatoElec

Phone

TomatoElec

User