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Part Details for RUEF250U by Littelfuse Inc
Results Overview of RUEF250U by Littelfuse Inc
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Applications
Consumer Electronics
RUEF250U Information
RUEF250U by Littelfuse Inc is a Non-linear Resistor.
Non-linear Resistors are under the broader part category of Resistors.
Resistors are passive components that work by limiting electron flow in a circuit. They are available as fixed or as variable (potentionmeters). Read more about Resistors on our Resistors part category page.
Price & Stock for RUEF250U
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2078283
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Farnell | FUSE, PTC RESET, 30V, 2.5A, RADIAL RoHS: Compliant Min Qty: 500 Lead time: 17 Weeks, 4 Days Container: Each | 3 |
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$0.2341 / $0.2647 | Buy Now |
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DISTI #
RUEF250U-ND
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DigiKey | PTC RESET FUSE 30V 2.5A RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Bag |
9450 In Stock |
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$0.1971 / $0.5300 | Buy Now |
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DISTI #
650-RUEF250U
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Mouser Electronics | Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED RoHS: Compliant | 623 |
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$0.1970 / $0.4400 | Buy Now |
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Future Electronics | RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Bag | 2811Bag |
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$0.1780 / $0.2000 | Buy Now |
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Bristol Electronics | 203 |
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RFQ | ||
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DISTI #
RUEF250U
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TTI | Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED RoHS: Compliant pbFree: Pb-Free Min Qty: 50 Package Multiple: 50 Container: Bulk |
Americas - 3000 In Stock |
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$0.2640 / $0.2970 | Buy Now |
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Future Electronics | RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse Min Qty: 1 Package Multiple: 1 |
2811 null |
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$0.1780 / $0.2000 | Buy Now |
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DISTI #
000000000001277786
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Sager | Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED Min Qty: 500 | 0 |
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$0.2386 / $0.2820 | Buy Now |
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New Advantage Corporation | RUEF Series 30 V 2.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant Min Qty: 1 Package Multiple: 500 | 9500 |
|
$0.2720 | Buy Now |
Part Details for RUEF250U
RUEF250U CAD Models
RUEF250U Part Data Attributes
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RUEF250U
Littelfuse Inc
Buy Now
Datasheet
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Compare Parts:
RUEF250U
Littelfuse Inc
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | LITTELFUSE INC | |
| Package Description | RADIAL LEADED | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | LITTELFUSE | |
| Additional Feature | Rmax:0.04 OHMS AT 20 DEG CEL | |
| Circuit RMS Voltage-Max | 30 V | |
| JESD-609 Code | e3 | |
| Mounting Feature | THROUGH HOLE MOUNT | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Height | 18.3 mm | |
| Package Length | 11.4 mm | |
| Package Shape | RECTANGULAR PACKAGE | |
| Package Style | Radial | |
| Package Width | 3 mm | |
| Packing Method | Bulk | |
| Reference Standard | CQC; CSA; TUV; UL | |
| Resistance | 0.02 Ω | |
| Resistor Type | PTC RESETTABLE FUSE | |
| Surface Mount | NO | |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier | |
| Terminal Placement | RADIAL | |
| Terminal Shape | WIRE | |
| Thermistor Application | OVERCURRENT PROTECTION | |
| Working Voltage | 30 V |
RUEF250U Frequently Asked Questions (FAQ)
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A good PCB layout for the RUEF250U involves keeping the fuse as close to the power source as possible, using a wide copper trace to reduce voltage drop, and ensuring good thermal conductivity to dissipate heat efficiently.
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To select the correct fuse rating, consider the maximum current and voltage ratings of your circuit, as well as the desired response time and fault current. Consult the datasheet and application notes for guidance.
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The RUEF250U is designed to operate in temperatures from -40°C to 125°C, but consider additional environmental factors such as humidity, vibration, and electromagnetic interference when designing your application.
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Yes, the RUEF250U is designed for high-reliability applications and meets various safety standards, including UL and IEC. However, consult the datasheet and relevant standards for specific requirements and certifications.
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To troubleshoot issues with the RUEF250U, check the circuit design, component selection, and PCB layout for errors or omissions. Consult the datasheet, application notes, and technical support resources for guidance.