Part Details for RUEF250S by Littelfuse Inc
Results Overview of RUEF250S by Littelfuse Inc
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Applications
Consumer Electronics
RUEF250S Information
RUEF250S 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 RUEF250S
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
RUEF250SHF-ND
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DigiKey | PTC RESET FUSE 30V 2.5A RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Bag |
117 In Stock |
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$0.1971 / $0.5300 | Buy Now |
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DISTI #
650-RUEF250S
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Mouser Electronics | Resettable Fuses - PPTC 2.5A 30V 100A Imax RoHS: Compliant | 484 |
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$0.1970 / $0.4500 | Buy Now |
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DISTI #
V99:2348_16249477
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Arrow Electronics | PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm Loose RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 20 Weeks Date Code: 2204 | Americas - 2425 |
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$0.1881 | Buy Now |
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DISTI #
V79:2366_26351392
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Arrow Electronics | PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm Loose RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1645 | Americas - 1691 |
|
$0.1610 | Buy Now |
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DISTI #
61612855
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Verical | PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm Loose RoHS: Compliant Min Qty: 29 Package Multiple: 1 Date Code: 2204 | Americas - 2425 |
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$0.1881 | Buy Now |
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DISTI #
60131415
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Verical | PTC Resettable Fuse 2.5A(hold) 5A(trip) 30VAC/30VDC 100A 1.2W 10.3s 0.02Ohm Radial 11.4 X 3 X 18.3mm Loose RoHS: Compliant Min Qty: 36 Package Multiple: 1 Date Code: 1645 | Americas - 1691 |
|
$0.1610 | Buy Now |
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Bristol Electronics | 20 |
|
RFQ | ||
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|
Quest Components | 16 |
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$3.2560 / $4.4400 | Buy Now | |
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DISTI #
RF2778-000
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TTI | Resettable Fuses - PPTC RUEF RADIAL RESETTABLE FUSE RoHS: Compliant pbFree: Pb-Free Min Qty: 500 Package Multiple: 500 Container: Bulk |
Americas - 1000 In Stock |
|
$0.2590 | Buy Now |
Part Details for RUEF250S
RUEF250S CAD Models
RUEF250S Part Data Attributes
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RUEF250S
Littelfuse Inc
Buy Now
Datasheet
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Compare Parts:
RUEF250S
Littelfuse Inc
PTC Resettable Fuse, 0.07ohm, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT
|
| 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 | |
| Mounting Feature | THROUGH HOLE MOUNT | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Height | 17.5 mm | |
| Package Length | 11.4 mm | |
| Package Shape | RECTANGULAR PACKAGE | |
| Package Style | Radial | |
| Package Width | 3 mm | |
| Packing Method | BULK | |
| Reference Standard | CSA; TUV; UL | |
| Resistance | 0.02 Ω | |
| Resistor Type | PTC RESETTABLE FUSE | |
| Surface Mount | NO | |
| Terminal Placement | RADIAL | |
| Terminal Shape | WIRE | |
| Thermistor Application | OVERCURRENT PROTECTION | |
| Working Voltage | 30 V |
RUEF250S Frequently Asked Questions (FAQ)
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A good PCB layout for the RUEF250S 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 conduction to dissipate heat.
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To select the correct fuse rating, consider the maximum current and voltage of your circuit, as well as the ambient temperature and desired response time. Consult the datasheet and application notes for guidance.
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Using a fuse with a lower rating may result in nuisance tripping, while using a fuse with a higher rating may not provide adequate protection. In either case, the fuse may not operate as intended, potentially leading to equipment damage or safety hazards.
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Yes, the RUEF250S is designed for high-reliability applications and meets various safety standards, including UL and IEC. However, consult the datasheet and relevant standards to ensure compliance with specific requirements.
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Follow proper safety procedures when replacing fuses, ensuring the power is off and the circuit is de-energized. Use a fuse puller or extraction tool to remove the fuse, and replace it with a new one of the same rating and type.