- 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 | 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 | Voltage - Rated DC | Packing Method | Reach Compliance Code | Current Rating | Case Code (Metric) | Rated Power Dissipation (P) | Approval Agency | Case Code (Imperial) | Lead Pitch | Operating Supply Voltage | Lead Spacing | Max Current Rating | Power Dissipation | Max Voltage Rating (DC) | 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 | Height Seated (Max) | Thickness (Max) | REACH SVHC | RoHS Status | Lead Free | Ratings |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 RUSBF250-2 Littelfuse Inc. | 2495 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Tape & Reel (TR) | 2013 | PolySwitch®, RUSBF | 0.449Lx0.118W 11.40mmx3.00mm | - | yes | Discontinued | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.020-0.036 | - | - | TR, 14.6 INCH | unknown | - | - | 1.2W | CSA, TUV, UL | - | - | - | 0.118 3.00mm | - | - | - | 16V | - | 2.5A | TEMPERATURE SENSING | 16V | 40s | 20mOhm | 60mOhm | 5A | - | 0.720 18.30mm | - | - | ROHS3 Compliant | - | - | ||
 16R1100GMR Littelfuse Inc. | In Stock | - | Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Tape & Box (TB) | 2009 | POLY-FUSE®, 16R | 0.689Lx0.118W 17.50mmx3.00mm | e3 | - | Active | 1 (Unlimited) | 2 | Radial | EAR99 | Polymeric | 8.9mOhm | Matte Tin (Sn) | - | 8533.40.80.70 | 16V | AMMO PACK; TR | - | 100A | - | - | cURus, TUV | - | 5.1mm | 16V | 0.201 5.10mm | 100A | 3.7W | 16V | - | 11A | 11A | TEMPERATURE SENSING | - | 7s | 3.7mOhm | 8.9mOhm | - | 18.7A | 1.024 26.00mm | - | - | ROHS3 Compliant | - | - | ||
 AHRF1300 Littelfuse Inc. | 15 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~125°C | Bulk | 2007 | PolySwitch®, AHRF | 0.925Lx0.138W 23.50mmx3.50mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.0034-0.0069 | - | - | - | unknown | - | - | 6.9W | - | - | - | - | 0.400 10.15mm | - | - | - | 16V | 13A | - | TEMPERATURE SENSING | 16V | 15s | 3.4mOhm | 10mOhm | 27A | 27A | 1.130 28.70mm | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
 AHRF450 Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~125°C | Bulk | 2007 | PolySwitch®, AHRF | 0.409Dia x 0.122 T 10.40mmx3.10mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.017-0.036 | - | - | - | unknown | - | - | 3.6W | - | - | - | - | 0.199 5.05mm | - | - | - | 16V | 4.5A | - | TEMPERATURE SENSING | 16V | 4s | 17mOhm | 54mOhm | 8.7A | 8.7A | 0.563 14.30mm | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
 AHRF300 Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~125°C | Bulk | 2013 | PolySwitch®, AHRF | 0.346Lx0.118W 8.80mmx3.00mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | - | - | - | - | - | - | - | 3W | - | - | - | - | 0.199 5.05mm | - | - | - | 16V | - | 3A | OVERLOAD PROTECTION | 16V | 5s | 29mOhm | 79mOhm | 6.5A | - | 0.543 13.80mm | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
 RGEF900-2 Littelfuse Inc. | 22 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Tape & Reel (TR) | 2013 | PolySwitch®, RGEF | 0.532Lx0.100W 13.50mmx2.50mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.0047-0.0091 | - | - | TR, 14.6 INCH | - | - | - | 3.3W | CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | 16V | - | 9A | TEMPERATURE SENSING | 16V | 5.5s | 4.7mOhm | 13.5mOhm | 15.3A | - | 0.854 21.70mm | - | - | ROHS3 Compliant | - | - | ||
 RXEF040S Littelfuse Inc. | 174 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~85°C | Bulk | 2011 | PolySwitch®, RXEF | 0.299Dia x 0.118 T 7.60mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | - | CQC, CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | 400mA | - | - | 72V | 3.8s | 550mOhm | 1.29Ohm | 800mA | 800mA | 0.532 13.50mm | - | - | ROHS3 Compliant | - | - | ||
 72R065XPR Littelfuse Inc. | 31 |
| Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Tape & Box (TB) | 2010 | POLY-FUSE®, 72R | 0.370Dia x 0.122 T 9.40mmx3.10mm | e3 | - | Active | 1 (Unlimited) | 2 | - | - | Polymeric | - | Tin (Sn) | 0.31 TO 0.72 OHMS MEASURED AT 23 DEG CEL | - | - | AMMO PACK; TR | unknown | - | - | - | cURus, TUV | - | - | - | 0.201 5.10mm | - | - | - | - | - | 650mA | OVERLOAD PROTECTION | 72V | 5.3s | 310mOhm | 720mOhm | 1.3A | - | 0.571 14.50mm | - | - | ROHS3 Compliant | - | - | ||
 0603L200SLYR Littelfuse Inc. | 13 |
| Datasheet | 12 Weeks | Surface Mount | 0603 (1608 Metric), Concave | - | - | - | Tape & Reel (TR) | 2010 | POLY-FUSE®, LoRho | 0.063Lx0.032W 1.60mmx0.80mm | - | - | Active | 1 (Unlimited) | - | - | - | Polymeric | - | - | - | - | - | - | - | - | 1608 | - | - | 0603 | - | - | - | 50A | - | - | - | 2A | 2A | - | 6V | 1s | 5mOhms | 50mOhms | 4A | 4A | - | 0.039 1.00mm | - | ROHS3 Compliant | - | - | ||
 RKEF050-AP Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~85°C | Tape & Box (TB) | 2013 | PolySwitch®, RKEF | 0.280Lx0.140W 7.10mmx3.56mm | - | - | Active | 1 (Unlimited) | - | - | - | Polymeric | - | - | - | - | - | - | - | - | - | - | CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | - | 500mA | - | 60V | 800ms | 320mOhm | 900mOhm | 1A | - | 0.450 11.43mm | - | - | ROHS3 Compliant | - | - | ||
 RGEF400K Littelfuse Inc. | In Stock | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~85°C | Bulk | 2011 | PolySwitch®, RGEF | 0.331Lx0.098W 8.40mmx2.50mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | - | CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | 4A | - | - | 16V | 1.7s | 21mOhm | 60mOhm | 6.8A | 6.8A | 0.504 12.80mm | - | - | ROHS3 Compliant | - | - | ||
 RXEF185-1 Littelfuse Inc. | 31 | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~85°C | Bulk | 2010 | PolySwitch®, RXEF | 0.689Dia x 0.118 T 17.50mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | - | CQC, CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | - | 1.85A | - | 72V | 12.6s | 80mOhm | 190mOhm | 3.7A | - | 0.882 22.40mm | - | - | ROHS3 Compliant | - | - | ||
 RHEF070-AP Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~125°C | Tape & Box (TB) | 2003 | PolySwitch®, RHEF | 0.272Lx0.118W 6.90mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | - | CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | 700mA | - | - | 30V | 3.2s | 300mOhm | 800mOhm | 1.4A | 1.4A | 0.425 10.80mm | - | - | ROHS3 Compliant | - | - | ||
 RHEF650-2 Littelfuse Inc. | 1110 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~125°C | Tape & Reel (TR) | 2013 | PolySwitch®, RHEF | 0.500Lx0.118W 12.70mmx3.00mm | - | yes | Discontinued | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | - | - | - | - | CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | - | 6.5A | - | 16V | 5.5s | 11mOhm | 26mOhm | 12A | - | 0.874 22.20mm | - | - | ROHS3 Compliant | - | - | ||
RUEF400-1 Littelfuse Inc. | 31 | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~85°C | Bulk | 2012 | PolySwitch®, RUEF | 0.551Lx0.118W 14.00mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | - | CQC, CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | - | 4A | - | 30V | 12.7s | 10mOhm | 50mOhm | 8A | - | 0.760 19.30mm | - | - | ROHS3 Compliant | - | - | ||
RUEF600-AP Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Tape & Box (TB) | 2011 | PolySwitch®, RUEF | 0.650Lx0.118W 16.50mmx3.00mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.005-0.020 | - | - | AMMO PACK | unknown | - | - | 3.5W | CQC, CSA, TUV, UL | - | - | - | 0.400 10.15mm | - | - | - | 30V | 6A | - | TEMPERATURE SENSING | 30V | 16s | 5mOhm | 40mOhm | 12A | 12A | 0.949 24.10mm | - | - | ROHS3 Compliant | - | - | ||
 250R120-R1U Littelfuse Inc. | In Stock | - | Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Bulk | 2011 | POLY-FUSE®, 250R | 0.256Lx0.181W 6.50mmx4.60mm | e3 | yes | Active | 1 (Unlimited) | 2 | Radial | EAR99 | Polymeric | 16Ohm | Matte Tin (Sn) | 6 TO 16 OHMS MEASURED AT 20 DEG CEL | 8533.40.80.70 | - | - | - | - | - | - | cURus, TUV | - | - | 60V | 0.201 5.10mm | 3A | 1W | 60V | 250V | 120mA | - | OVERLOAD PROTECTION | 60V 250V Int | 2.5s | 6Ohm | 16Ohm | - | 240mA | 0.433 11.00mm | - | No SVHC | ROHS3 Compliant | Lead Free | - | ||
 NANOSMDC020F Littelfuse Inc. | 1278 |
| Datasheet | - | Surface Mount | 1206 (3216 Metric), Concave | - | - | - | Cut Tape (CT) | 2007 | PolySwitch® | 0.126Lx0.063W 3.20mmx1.60mm | - | yes | Obsolete | 2A (4 Weeks) | - | - | - | Polymeric | - | - | - | - | - | - | - | - | - | - | CSA, TUV, UL | - | - | - | - | - | - | - | - | - | 200mA | - | 24V | 100ms | 650mOhm | - | 420mA | - | - | 0.032 0.82mm | - | ROHS3 Compliant | - | - | ||
 AGRF1000-2 Littelfuse Inc. | 15 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | -40°C~85°C | Tape & Reel (TR) | 2010 | PolySwitch®, AGRF | 0.650Lx0.118W 16.50mmx3.00mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.0034-0.0070 | - | - | TR | unknown | - | - | 3.6W | - | - | - | - | 0.199 5.05mm | - | - | - | 16V | 10A | - | TEMPERATURE SENSING | 16V | 7s | 3.4mOhm | 10.2mOhm | 18.5A | 18.5A | 1.012 25.70mm | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
 RXEF110K Littelfuse Inc. | 699 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | -40°C~85°C | Bag | 2013 | PolySwitch®, RXEF | 0.504Dia x 0.118 T 12.80mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | - | CQC, CSA, TUV, UL | - | - | - | 0.199 5.05mm | - | - | - | - | 1.1A | - | - | 72V | 8.2s | 150mOhm | 380mOhm | 2.2A | 2.2A | 0.689 17.50mm | - | - | ROHS3 Compliant | - | - |