- 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 | Mounting Feature | 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 | Rated Power Dissipation (P) | Approval Agency | Lead Pitch | Operating Supply Voltage | Lead Spacing | Max Current Rating | Power Dissipation | Terminal Placement | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 250R145U 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 | 14Ohm | Matte Tin (Sn) | 3 TO 14 OHMS MEASURED AT 20 DEG CEL | 8533.40.80.70 | - | - | - | 3A | - | cURus, TUV | 5.1mm | - | 0.201 5.10mm | 3A | 1W | - | 60V | 250V | 145mA | 145mA | OVERLOAD PROTECTION | 60V 250V Int | 2.5s | 3Ohm | 14Ohm | - | 290mA | 0.433 11.00mm | - | - | ROHS3 Compliant | Lead Free | - | ||
 72R300XF Littelfuse Inc. | In Stock | - | Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~85°C | Bulk | 2010 | POLY-FUSE®, 72R | 0.910Dia x 0.122 T 23.11mmx3.10mm | e3 | - | Active | 1 (Unlimited) | 2 | Radial | EAR99 | Polymeric | 100mOhm | Tin (Sn) | 0.04 TO 0.1 OHMS MEASURED AT 23 DEG CEL | 8533.40.80.70 | 72V | - | unknown | 40A | - | cURus, TUV | 10.2mm | 72V | 0.402 10.20mm | 40A | 2.8W | - | - | - | 3A | 3A | OVERLOAD PROTECTION | - | 19.8s | 40mOhm | 100mOhm | - | 6A | 1.154 29.30mm | - | No SVHC | ROHS3 Compliant | - | - | ||
 RGEF300K Littelfuse Inc. | 50 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -40°C~85°C | Bag | 2013 | PolySwitch®, RGEF | 0.260Lx0.098W 6.60mmx2.50mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CSA, TUV, UL | - | - | 0.199 5.05mm | - | - | - | - | - | 3A | - | - | 16V | 1s | 38mOhm | 97.5mOhm | 5.1A | 5.1A | 0.535 13.60mm | - | - | ROHS3 Compliant | - | - | ||
 AHRF1000 Littelfuse Inc. | 31 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~125°C | Bulk | 2007 | PolySwitch®, AHRF | 0.689Lx0.118W 17.50mmx3.00mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.0051-0.0105 | - | - | - | unknown | - | 5.3W | - | - | - | 0.400 10.15mm | - | - | - | - | 16V | 10A | - | TEMPERATURE SENSING | 16V | 10.5s | 5.1mOhm | 15mOhm | 20.5A | 20.5A | 1.043 26.50mm | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
 30R700UMR Littelfuse Inc. | 26800 |
| Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~85°C | Tape & Box (TB) | 2015 | POLY-FUSE®, 30R | 0.752Lx0.118W 19.10mmx3.00mm | e3 | yes | Active | 1 (Unlimited) | 2 | Radial | EAR99 | Polymeric | 30mOhm | Matte Tin (Sn) | FLAME PROOF, MINIMUM RESISTANCE IS 0.005 OHMS | 8533.40.80.70 | - | AMMO PACK | - | 40A | - | cURus, TUV | 10.2mm | - | 0.402 10.20mm | 40A | 3.8W | - | 30V | - | 7A | 7A | OVERCURRENT PROTECTION | - | 17.5s | 5mOhm | 30mOhm | - | 14A | 1.126 28.60mm | - | - | ROHS3 Compliant | Lead Free | - | ||
 72R050XPR Littelfuse Inc. | 22 |
| Datasheet | 12 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~85°C | Tape & Box (TB) | 2010 | POLY-FUSE®, 72R | 0.311Dia x 0.122 T 7.90mmx3.10mm | e3 | - | Active | 1 (Unlimited) | 2 | Radial | EAR99 | Polymeric | 1.17Ohm | Tin (Sn) | 0.5 TO 1.17 OHMS MEASURED AT 23 DEG CEL | 8533.40.80.70 | 72V | AMMO PACK; TR | unknown | 40A | - | cURus, TUV | 5.1mm | 72V | 0.201 5.10mm | 40A | 770mW | - | - | - | 500mA | 500mA | OVERLOAD PROTECTION | - | 4s | 500mOhm | 1.17Ohm | - | 1A | 0.539 13.70mm | - | No SVHC | ROHS3 Compliant | - | - | ||
 RUSBF120 Littelfuse Inc. | 2542 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~85°C | Bag | 2011 | PolySwitch®, RUSBF | 0.272Dia x 0.122 T 6.90mmx3.10mm | - | yes | Active | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.070-0.0975 | - | - | BULK | unknown | - | 0.6W | CSA, TUV, UL | - | - | 0.201 5.10mm | - | - | - | - | 6V | 1.2A | - | TEMPERATURE SENSING | 6V | 500ms | 70mOhm | 140mOhm | 2A | 2A | 0.461 11.70mm | - | - | ROHS3 Compliant | - | - | ||
 AHRF450-2 Littelfuse Inc. | In Stock | - | Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~125°C | Tape & Reel (TR) | 2007 | PolySwitch®, AHRF | 0.409Lx0.122W 10.40mmx3.10mm | - | yes | Discontinued | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.017-0.036 | - | - | TR | unknown | - | 3.6W | - | - | - | 0.200 5.08mm | - | - | - | - | 16V | 4.5A | - | TEMPERATURE SENSING | 16V | 4s | 17mOhm | 54mOhm | 8.7A | 8.7A | 0.614 15.60mm | - | - | ROHS3 Compliant | - | AEC-Q200 | ||
 RHEF600 Littelfuse Inc. | 637 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -40°C~125°C | Bulk | 2011 | PolySwitch®, RHEF | 0.441Lx0.118W 11.20mmx3.00mm | - | yes | Discontinued | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CSA, TUV, UL | - | - | 0.199 5.05mm | - | - | - | - | - | 6A | - | - | 16V | 5s | 13mOhm | 32mOhm | 10.8A | 10.8A | 0.827 21.00mm | - | - | ROHS3 Compliant | - | - | ||
 RUEF160S Littelfuse Inc. | 24395 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -40°C~85°C | Bulk | 2012 | PolySwitch®, RUEF | 0.350Lx0.118W 8.90mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CQC, CSA, TUV, UL | - | - | 0.199 5.05mm | - | - | - | - | - | - | 1.6A | - | 30V | 8s | 30mOhm | 110mOhm | 3.2A | - | 0.598 15.20mm | - | - | ROHS3 Compliant | - | - | ||
RUEF600-1 Littelfuse Inc. | 10500 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -40°C~85°C | Bulk | 2012 | PolySwitch®, RUEF | 0.650Lx0.118W 16.50mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CQC, CSA, TUV, UL | - | - | 0.400 10.15mm | - | - | - | - | - | - | 6A | - | 30V | 16s | 5mOhm | 40mOhm | 12A | - | 0.949 24.10mm | - | - | ROHS3 Compliant | - | - | ||
 LVR012S-1 Littelfuse Inc. | 15 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -20°C~85°C | Bulk | 2011 | PolySwitch®, LVR | 0.327Dia x 0.150 T 8.30mmx3.80mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | 240V | - | unknown | - | - | CQC, CSA, TUV, UL | - | - | 0.200 5.08mm | - | - | - | - | - | 120mA | - | - | 240V 265V Int | 15s | 3Ohm | 12Ohm | 300mA | 300mA | 0.430 10.70mm | - | - | ROHS3 Compliant | - | - | ||
 VLR175LF Littelfuse Inc. | 15 |
| Datasheet | 9 Weeks | User Defined | Strap | YES | FLAT | SURFACE MOUNT | -40°C~70°C | Bulk | 2011 | PolySwitch®, VLR | 1.201Lx0.122W 30.50mmx3.10mm | - | yes | Active | 1 (Unlimited) | 2 | - | - | Polymeric | - | NICKEL | RESISTANCE RANGE(MIN-MAX): 0.017-0.031 | - | - | - | unknown | - | 1.4W | CSA, TUV, UL | - | - | - | - | - | AXIAL | - | 12V | - | 1.75A | TEMPERATURE SENSING | 12V | 5s | 17mOhm | 62mOhm | 4.2A | - | - | 0.032 0.80mm | - | ROHS3 Compliant | - | - | ||
 MICROSMD450LR-2 Littelfuse Inc. | In Stock | - | Datasheet | 16 Weeks | Surface Mount | 1210 (3225 Metric), Concave | - | - | - | -40°C~80°C | Tape & Reel (TR) | 2016 | PolySwitch®, microSMD | 0.127Lx0.102W 3.22mmx2.58mm | - | - | Active | 2A (4 Weeks) | - | - | - | Polymeric | - | - | - | - | - | - | - | - | - | UL | - | - | - | - | - | - | - | - | - | 4.5A | - | 5V | 2s | 2mOhm | 8mOhm | 9A | - | - | 0.039 1.00mm | - | ROHS3 Compliant | - | - | ||
 LR4-600XF Littelfuse Inc. | 45 |
| Datasheet | 9 Weeks | User Defined | Strap | - | - | - | -40°C~85°C | Bulk | 2011 | PolySwitch®, LR4 | 1.638Lx0.283W 41.60mmx7.20mm | - | yes | Active | 1 (Unlimited) | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CSA, TUV, UL | - | - | - | - | - | - | - | - | 6A | - | - | 20V | 5s | 7mOhm | 19mOhm | 11.7A | 11.7A | - | 0.039 1.00mm | - | ROHS3 Compliant | - | - | ||
RUSBF155-2 Littelfuse Inc. | 2828 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | NO | WIRE | - | -40°C~85°C | Tape & Reel (TR) | 2013 | PolySwitch®, RUSBF | 0.272Lx0.122W 6.90mmx3.10mm | - | yes | Discontinued | Not Applicable | 2 | - | - | Polymeric | - | - | RESISTANCE RANGE(MIN-MAX): 0.040-0.0705 | - | - | TR, 14.6 INCH | unknown | - | 0.6W | CSA, TUV, UL | - | - | 0.200 5.08mm | - | - | - | - | 6V | - | 1.55A | TEMPERATURE SENSING | 6V | 2.2s | 40mOhm | 100mOhm | 2.65A | - | 0.461 11.70mm | - | - | ROHS3 Compliant | - | - | ||
 VLP220F Littelfuse Inc. | 22 |
| Datasheet | 9 Weeks | User Defined | Strap | - | - | - | -40°C~85°C | Bulk | 2011 | PolySwitch®, VLP | 0.874Lx0.146W 22.20mmx3.70mm | - | yes | Active | 2A (4 Weeks) | - | - | - | Polymeric | - | - | - | - | - | - | - | - | - | CSA, TUV, UL | - | - | - | - | - | - | - | - | - | 2.2A | - | 16V | 5s | 17mOhm | 58mOhm | 5.3A | - | - | 0.032 0.80mm | - | ROHS3 Compliant | - | - | ||
 SRP120SF Littelfuse Inc. | In Stock | - | Datasheet | 8 Weeks | User Defined | Strap | - | - | - | -40°C~85°C | Bulk | 2013 | PolySwitch®, SRP | 0.827Lx0.199W 21.00mmx5.05mm | - | yes | Active | 1 (Unlimited) | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CSA, TUV, UL | - | - | - | - | - | - | - | - | - | 1.2A | - | 15V | 5s | 85mOhm | 220mOhm | 2.7A | - | - | 0.039 1.00mm | - | ROHS3 Compliant | - | - | ||
RHEF1100 Littelfuse Inc. | 1302 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -40°C~125°C | Bag | 2007 | PolySwitch®, RHEF | 0.827Lx0.118W 21.00mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CSA, TUV, UL | - | - | 0.400 10.15mm | - | - | - | - | - | - | 11A | - | 16V | 11s | 5.5mOhm | 13mOhm | 20A | - | 1.028 26.10mm | - | - | ROHS3 Compliant | - | - | ||
RUEF600K-AP Littelfuse Inc. | 1113 |
| Datasheet | 10 Weeks | Through Hole | Radial, Disc | - | - | - | -40°C~85°C | Tape & Box (TB) | 2013 | PolySwitch®, RUEF | 0.650Lx0.118W 16.50mmx3.00mm | - | yes | Active | Not Applicable | - | - | - | Polymeric | - | - | - | - | - | - | unknown | - | - | CQC, CSA, TUV, UL | - | - | 0.400 10.15mm | - | - | - | - | - | - | 6A | - | 30V | 16s | 5mOhm | 40mOhm | 12A | - | 1.032 26.20mm | - | - | ROHS3 Compliant | - | - |