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Part Details for RUEF300 by Littelfuse Inc
Results Overview of RUEF300 by Littelfuse Inc
- Distributor Offerings: (10 listings)
- Number of FFF Equivalents: (4 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (6 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
RUEF300 Information
RUEF300 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 RUEF300
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
04H7997
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Newark | Fuse, Ptc Reset, 30V, 3A, Radial, Product Range:Polyswitch Ruef Series, Voltage Rating:30Vdc, Holding Current:3A, Trip Current:6A, Time To Trip:10.8S, Fuse Shape:Rectangular, Current Rating Max:100A, Lead Spacing:5.8Mm, Diameter:- Rohs Compliant: Yes |Littelfuse RUEF300 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 4380 |
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$0.2500 / $0.5590 | Buy Now |
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DISTI #
RUEF300HF-ND
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DigiKey | PTC RESET FUSE 30V 3A RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Bag |
19383 In Stock |
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$0.2112 / $0.5700 | Buy Now |
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DISTI #
650-RUEF300
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Mouser Electronics | Resettable Fuses - PPTC 3A 30V 100A Imax RoHS: Compliant | 6690 |
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$0.2120 / $0.4800 | Buy Now |
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Future Electronics | RUEF Series 30 V 3 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Bag | 6539Bag |
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$0.2150 / $0.2400 | Buy Now |
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DISTI #
RUEF300
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TTI | Resettable Fuses - PPTC 3A 30V 100A Imax RoHS: Compliant pbFree: Pb-Free Min Qty: 50 Package Multiple: 50 Container: Bulk |
Americas - 11050 In Stock |
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$0.2530 / $0.2790 | Buy Now |
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Future Electronics | RUEF Series 30 V 3 A Ihold Through Hole Radial PolySwitch Resettable Fuse Min Qty: 1 Package Multiple: 1 |
8039 null |
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$0.2150 / $0.2400 | Buy Now |
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DISTI #
RUEF300
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TME | Fuse: PTC polymer, 3A, 11.4x17.3mm, 5mm Min Qty: 5 | 1110 |
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$0.2110 / $0.3570 | Buy Now |
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DISTI #
000000000001026432
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Sager | Resettable Fuses - PPTC 3A 30V 100A Imax Min Qty: 500 | 0 |
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$0.2575 / $0.3044 | Buy Now |
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New Advantage Corporation | RUEF Series 30 V 3 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant Min Qty: 1 Package Multiple: 500 | 44000 |
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$0.3692 / $0.4000 | Buy Now |
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Win Source Electronics | PTC RESET FUSE 30V 3A RADIAL / Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc | 1512 |
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$0.1605 / $0.2407 | Buy Now |
Part Details for RUEF300
RUEF300 CAD Models
RUEF300 Part Data Attributes
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RUEF300
Littelfuse Inc
Buy Now
Datasheet
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Compare Parts:
RUEF300
Littelfuse Inc
PTC Resettable Fuse, 0.08ohm, 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 | |
| ECCN Code | EAR99 | |
| HTS Code | 8533.40.80.70 | |
| Samacsys Manufacturer | LITTELFUSE | |
| Additional Feature | Rmin@25 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 | 16.5 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 | TIN | |
| Terminal Placement | RADIAL | |
| Terminal Shape | WIRE | |
| Thermistor Application | OVERCURRENT PROTECTION | |
| Working Voltage | 30 V |
Alternate Parts for RUEF300
This table gives cross-reference parts and alternative options found for RUEF300. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of RUEF300, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| RUEF300-2 | Littelfuse Inc | $0.3010 | PTC Resettable Fuse, 0.08ohm, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT | RUEF300 vs RUEF300-2 |
| RUEF300 | TE Connectivity | Check for Price | PTC Resettable Fuse, 0.08ohm, Through Hole Mount, RADIAL LEADED, ROHS COMPLIANT | RUEF300 vs RUEF300 |
| RUE300-2 | TE Connectivity | Check for Price | RESISTOR, TEMPERATURE DEPENDENT, PTC RESETTABLE FUSE, THROUGH HOLE MOUNT, RADIAL LEADED | RUEF300 vs RUE300-2 |
| RUE300-1 | TE Connectivity | Check for Price | RESISTOR, TEMPERATURE DEPENDENT, PTC, THROUGH HOLE MOUNT | RUEF300 vs RUE300-1 |
RUEF300 Frequently Asked Questions (FAQ)
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A good PCB layout for the RUEF300 involves keeping the fuse as close to the power source as possible, using a wide copper trace to connect the fuse to the power source, and keeping the fuse away from heat sources and high-voltage components.
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To select the correct fuse rating, consider the maximum current rating of your circuit, the voltage rating, and the ambient temperature. You should also consider the fuse's melting integral (I²t) rating, which indicates the energy the fuse can withstand before blowing.
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Store the RUEF300 in a cool, dry place away from direct sunlight and moisture. Handle the fuse by the body, not the leads, to prevent damage. Avoid bending or flexing the leads excessively, as this can cause damage to the internal fuse element.
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The RUEF300 is rated for operation up to 125°C, but its performance may degrade at high temperatures. If your application requires operation above 100°C, consider using a fuse with a higher temperature rating or taking steps to reduce the ambient temperature around the fuse.
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To troubleshoot a blown RUEF300 fuse, identify the root cause of the fault by checking the circuit for shorts, overvoltage, or overheating. Check the fuse's voltage and current ratings to ensure they match the application requirements. Consider using a fuse with a higher rating or adding overcurrent protection to prevent future faults.