- Factory Lead Time
- Moisture Sensitivity Level (MSL)
- Mounting Type
- Operating Temperature
- Package / Case
- Packaging
- Part Status
- Resistance - Initial (Ri) (Min)
- Resistance - Post Trip (R1) (Max)
- RoHS Status
- Series
- Size / Dimension
Attribute column
Manufacturer
Littelfuse PTC Resettable Fuses
Product | Inventory | Pricing(USD) | Quantity | Datasheet | RoHS | Factory Lead Time | Mounting Type | Package / Case | Surface Mount | Terminal Shape | Brand | Current Rating - Max | Factory Pack QuantityFactory Pack Quantity | Manufacturer | Maximum Operating Temperature | Maximum Voltage | Mfr | Minimum Operating Temperature | Mounting Styles | Operating Temperature (Max.) | Operating Temperature (Min.) | Package | Part # Aliases | Pd - Power Dissipation | Product Status | RoHS | Tradename | Unit Weight | Voltage Rated | Voltage, Rating | Operating Temperature | Packaging | Published | Series | Size / Dimension | JESD-609 Code | Pbfree Code | Part Status | Moisture Sensitivity Level (MSL) | Number of Terminations | Termination | ECCN Code | Type | Resistance | Terminal Finish | Additional Feature | HTS Code | Subcategory | Voltage - Rated DC | Packing Method | Reach Compliance Code | Current Rating | Termination Style | Rated Power Dissipation (P) | Approval Agency | Lead Pitch | Lead Length | Operating Supply Voltage | Working Voltage | Lead Spacing | Max Current Rating | Power Dissipation | Terminal Placement | Max Voltage Rating (DC) | Current - Max | Product Type | Rated (AC) Voltage (URac) | Hold Current | Current - Hold (Ih) (Max) | Thermistor Application | Voltage - Max | Time to Trip | Resistance - Initial (Ri) (Min) | Resistance - Post Trip (R1) (Max) | Current - Trip (It) | Trip Current | Ambient Temperature Range High | Circuit DC Voltage-Max | Product Category | Height | Height Seated (Max) | Length | Width | Thickness (Max) | REACH SVHC | RoHS Status | Lead Free | Ratings |
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![]() RF1511-000 Littelfuse | In Stock | - | - | - | - | 1210 (3225 metric) | - | - | - | - | - | - | + 85 C | - | - | - | PCB Mount | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | SMD/SMT | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() RF1547-000 Littelfuse | In Stock | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() RF2146-000 Littelfuse | 3000 |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 48VDC | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.3s | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() FEMTOSMDC005F-02 Littelfuse | 4000 | - | - | - | Surface Mount | 0603 (1608 metric) | - | - | Littelfuse | 40 A | 4000 | Littelfuse | + 85 C | 15 VDC | Littelfuse Inc. | - 40 C | PCB Mount | - | - | Tape & Reel (TR) | RF2057-000 | 500 mW (1/2 W) | Active | Details | PolySwitch | 0.001034 oz | - | - | - | MouseReel | - | femtoSMD | 0.063 L x 0.032 W (1.60mm x 0.80mm) | - | - | - | - | - | - | - | PolySwitch Resettable Fuses | 30 Ohms | - | - | - | PPTC Resettable Fuses | - | - | - | - | SMD/SMT | - | CSA, UL | - | - | - | - | - | - | - | - | - | 40 A | Resettable Fuses - PPTC | - | 50 mA | 50 mA | - | 15V | 100 ms | 3.8 Ohms | - | 150 mA | 150 mA | - | - | Resettable Fuses - PPTC | 0.85 mm | - | 1.8 mm | 1 mm | 0.026 (0.65mm) | - | - | - | - | ||
![]() FEMTOSMDC012F-2 Littelfuse Inc. | 4757 | - | Datasheet | 11 Weeks | Surface Mount | 0603 (1608 Metric), Concave | YES | ONE SURFACE | - | - | - | - | - | - | - | - | - | 85°C | -40°C | - | - | - | - | - | - | - | - | - | - | Tape & Reel (TR) | 2016 | PolySwitch®, femtoSMDC | 0.063Lx0.032W 1.60mmx0.80mm | - | yes | Active | 1 (Unlimited) | 2 | - | - | Polymeric | - | - | MINIMUM RESISTANCE IS 1.1 OHMS | - | - | - | TR, 7 INCH | - | - | - | 0.5W | CSA, UL | - | - | - | 9V | - | - | - | DUAL ENDED | - | - | - | - | - | 120mA | TEMPERATURE SENSING | 9V | 100ms | 1.1Ohm | 5.8Ohm | 300mA | - | - | 9V | - | - | - | - | - | 0.030 0.75mm | - | ROHS3 Compliant | - | - | ||
![]() RXEF110-AP Littelfuse Inc. | 22 | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tape & Box (TB) | 2012 | PolySwitch®, RXEF | 0.504Dia x 0.118 T 12.80mmx3.00mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | 0.15-0.25 OHMS AT 20 DEG CEL | - | - | - | AMMO PACK | unknown | - | - | - | CQC, CSA, TUV, UL | - | - | - | - | 0.199 5.05mm | - | - | - | - | - | - | 72V | 1.1A | - | TEMPERATURE SENSING | 72V | 8.2s | 150mOhm | 380mOhm | 2.2A | 2.2A | - | - | - | - | 0.689 17.50mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() TRF250-145-B-0.5 Littelfuse Inc. | 500 |
| Datasheet | - | Through Hole | Radial, Disc | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Bulk | - | PolySwitch®, TRF250 | 0.256Lx0.181W 6.50mmx4.60mm | - | yes | Active | 1 (Unlimited) | - | - | - | Polymeric | - | - | - | - | - | - | - | - | - | - | - | CSA, TUV, UL | - | - | - | - | 0.197 5.00mm | - | - | - | - | - | - | - | - | 145mA | - | 60V 250V Int | 5s | 3Ohm | 14Ohm | 290mA | - | - | - | - | - | 0.433 11.00mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() 72R185XMR Littelfuse Inc. | 6 |
| Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tape & Box (TB) | 2010 | POLY-FUSE®, 72R | 0.660Dia x 0.122 T 16.76mmx3.10mm | e3 | - | Active | 1 (Unlimited) | 2 | Radial | - | Polymeric | 190mOhm | Tin (Sn) | 0.08 TO 0.19 OHMS MEASURED AT 23 DEG CEL | - | - | 72V | AMMO PACK; TR | unknown | 40A | - | - | cURus, TUV | 5.1mm | - | 72V | - | 0.201 5.10mm | 40A | 2.1W | - | - | - | - | - | 1.85A | 1.85A | OVERLOAD PROTECTION | - | 12.6s | 80mOhm | 190mOhm | - | 3.7A | - | - | - | - | 0.906 23.00mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() RF1514-000 Littelfuse | In Stock | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() RGEF900 Littelfuse Inc. | 1500 | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Bag | 2005 | PolySwitch®, RGEF | 0.531Lx0.100W 13.50mmx2.50mm | - | yes | Discontinued | Not Applicable | 2 | - | - | Polymeric | 13.5mOhm | - | RESISTANCE RANGE(MIN-MAX): 0.0047-0.0091 | - | - | - | BULK | unknown | - | - | 3.3W | CSA, TUV, UL | - | - | 16V | - | 0.199 5.05mm | - | - | - | - | - | - | - | 9A | - | TEMPERATURE SENSING | 16V | 5.5s | 4.7mOhm | 13.5mOhm | - | 15.3A | - | - | - | - | 0.854 21.70mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() RF1689-000 Littelfuse | 1000 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() AGRF1200-2 Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tape & Reel (TR) | 2010 | PolySwitch®, AGRF | 0.689Lx0.138W 17.50mmx3.50mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.0030-0.0057 | - | - | - | TR | unknown | - | - | 4.2W | - | - | - | - | - | 0.400 10.15mm | - | - | - | - | - | - | 16V | 12A | - | TEMPERATURE SENSING | 16V | 8s | 3mOhm | 8.6mOhm | 22.1A | 22.1A | - | - | - | - | 1.134 28.80mm | - | - | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
![]() RF1524-000 Littelfuse | In Stock | - | - | - | - | - | - | - | - | - | - | - | + 85 C | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() RGEF1100-2 Littelfuse Inc. | 119106 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tape & Reel (TR) | 2010 | PolySwitch®, RGEF | 0.669Lx0.098W 17.00mmx2.50mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.0037-0.0060 | - | - | - | TR, 14.6 INCH | unknown | - | - | 3.7W | CSA, TUV, UL | - | - | - | - | 0.199 5.05mm | - | - | - | - | - | - | 16V | 11A | - | TEMPERATURE SENSING | 16V | 7s | 3.7mOhm | 8.9mOhm | 18.7A | 18.7A | - | - | - | - | 1.024 26.00mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() RXEF010-AP Littelfuse Inc. | 67 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tape & Box (TB) | 2002 | PolySwitch®, RXEF | 0.291Dia x 0.118 T 7.40mmx3.00mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | 2.5-4.5 OHMS AT 20 DEG CEL | - | - | - | AMMO PACK | unknown | - | - | - | CQC, CSA, TUV, UL | - | - | - | - | 0.199 5.05mm | - | - | - | - | - | - | 60V | 100mA | - | TEMPERATURE SENSING | 60V | 4s | 2.5Ohm | 7.5Ohm | 200mA | 200mA | - | - | - | - | 0.457 11.60mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() RF1641-000 Littelfuse | In Stock | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() RF1864-000 Littelfuse | In Stock | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
![]() RUEF400 Littelfuse Inc. | 2259 | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 30V | - | -40°C~85°C | Bulk | 2005 | PolySwitch®, RUEF | 0.551Lx0.118W 14.00mmx3.00mm | e3 | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | Matte Tin (Sn) | RESISTANCE RANGE(MIN-MAX): 0.010-0.030 | - | - | - | - | - | 100A | - | 2.5W | CQC, CSA, TUV, UL | - | 7.6mm | 30V | - | 0.199 5.05mm | - | - | - | - | - | - | - | 4A | 4A | TEMPERATURE SENSING | - | 12.7s | 10mOhm | 50mOhm | 8A | 8A | 85°C | - | - | 19.3mm | 0.760 19.30mm | - | - | - | - | ROHS3 Compliant | - | - | ||
![]() 30R500UMR Littelfuse Inc. | 614 |
| Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -40°C~85°C | Tape & Box (TB) | 2010 | POLY-FUSE®, 30R | 0.551Lx0.118W 14.00mmx3.00mm | e3 | yes | Active | 1 (Unlimited) | 2 | Radial | EAR99 | Polymeric | 50mOhm | Matte Tin (Sn) | FLAME PROOF, MINIMUM RESISTANCE IS 0.01 OHMS | 8533.40.80.70 | - | 30V | AMMO PACK | - | 40A | - | - | cURus, TUV | 10.2mm | - | 30V | 30V | 0.402 10.20mm | 40A | 3W | - | 30V | - | - | - | 5A | 5A | OVERCURRENT PROTECTION | - | 14.5s | 10mOhm | 50mOhm | - | 10A | - | - | - | - | 1.008 25.60mm | - | - | - | Unknown | ROHS3 Compliant | Lead Free | - | ||
![]() RF1673-000 Littelfuse | 942 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 30VDC | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3s | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |