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Part Details for RXEF050 by Littelfuse Inc
Results Overview of RXEF050 by Littelfuse Inc
- Distributor Offerings: (28 listings)
- Number of FFF Equivalents: (1 replacement)
- 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.
RXEF050 Information
RXEF050 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 RXEF050
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
04H8118
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Newark | Fuse, Ptc Reset, 72V, 500Ma, Radial, Product Range:Polyswitch Rxef Series, Voltage Rating:72Vdc, Holding Current:500Ma, Trip Current:1A, Time To Trip:4S, Fuse Shape:Round, Current Rating Max:40A, Lead Spacing:5.8Mm, Diameter:7.9Mm Rohs Compliant: Yes |Littelfuse RXEF050 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 9458 |
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$0.1850 / $0.2350 | Buy Now |
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DISTI #
RXEF050HF-ND
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DigiKey | PTC RESET FUSE 72V 500MA RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Bag |
3976 In Stock |
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$0.1670 / $0.4500 | Buy Now |
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DISTI #
650-RXEF050
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Mouser Electronics | Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax RoHS: Compliant | 6657 |
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$0.1670 / $0.3700 | Buy Now |
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DISTI #
E02:0323_01983715
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Arrow Electronics | PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 13.7mm Bag RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 11 Weeks Date Code: 2507 | Europe - 133782 |
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$0.1507 / $0.2193 | Buy Now |
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DISTI #
P40:2555_23229211
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Arrow Electronics | PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 13.7mm Bag RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2316 | Europe - 692 |
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$0.1405 / $0.1499 | Buy Now |
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DISTI #
V99:2348_07449194
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Arrow Electronics | PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 13.7mm Bag RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 15 Weeks Date Code: 2416 | Americas - 592 |
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$0.1497 / $0.1868 | Buy Now |
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DISTI #
E54:1762_11806629
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Arrow Electronics | PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 13.7mm Bag RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 11 Weeks Date Code: 2444 | Europe - 500 |
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$0.1485 / $0.2162 | Buy Now |
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DISTI #
V36:1790_07449194
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Arrow Electronics | PTC Resettable Fuse 0.5A(hold) 1A(trip) 72VAC/72VDC 40A 0.77W 4s 0.5Ohm Radial 7.9 X 13.7mm Bag RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 15 Weeks Date Code: 2447 | Americas - 439 |
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$0.1535 / $0.2222 | Buy Now |
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Future Electronics | RXEF Series 72 V 0.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Bag | 32585Bag |
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$0.1450 / $0.1620 | Buy Now |
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Future Electronics | RXEF Series 72 V 0.5 A Ihold Through Hole Radial PolySwitch Resettable Fuse RoHS: Compliant pbFree: Yes Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Container: Bulk | 0Bulk |
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$0.1450 / $0.1620 | Buy Now |
Part Details for RXEF050
RXEF050 CAD Models
RXEF050 Part Data Attributes
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RXEF050
Littelfuse Inc
Buy Now
Datasheet
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Compare Parts:
RXEF050
Littelfuse Inc
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED
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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 | Rmax:0.77 OHMS AT 20 DEG CEL | |
| Circuit RMS Voltage-Max | 72 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 | 13.7 mm | |
| Package Length | 7.9 mm | |
| Package Shape | DISK PACKAGE | |
| Package Style | Radial | |
| Package Width | 3 mm | |
| Packing Method | BULK | |
| Reference Standard | CQC; CUL; TUV; UL | |
| Resistance | 0.5 Ω | |
| Resistor Type | PTC RESETTABLE FUSE | |
| Surface Mount | NO | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Placement | RADIAL | |
| Terminal Shape | WIRE | |
| Working Voltage | 72 V |
Alternate Parts for RXEF050
This table gives cross-reference parts and alternative options found for RXEF050. 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 RXEF050, 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 |
|---|---|---|---|---|
| RXEF050-2 | Littelfuse Inc | $0.2782 | PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED | RXEF050 vs RXEF050-2 |
RXEF050 Frequently Asked Questions (FAQ)
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A good PCB layout for RXEF050 involves keeping the fuse as close to the power source as possible, using a wide copper trace for the fuse, and minimizing the distance between the fuse and the power source. Additionally, ensure the PCB is designed to handle high currents and has adequate thermal dissipation.
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To select the correct fuse rating, consider the maximum current and voltage requirements of your application. Choose a fuse with a rating that is slightly higher than the maximum expected current. Also, consider the ambient temperature, as high temperatures can affect fuse performance.
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Store RXEF050 in a cool, dry place away from direct sunlight and moisture. Handle the fuse by the body, avoiding touching the leads or glass body to prevent damage. Use anti-static wrist straps or mats when handling the fuse to prevent electrostatic discharge.
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Yes, RXEF050 is suitable for high-reliability applications. Littelfuse Inc. provides a range of fuses that meet or exceed industry standards for reliability, including AEC-Q200 and MIL-PRF-23419. However, it's essential to consult with Littelfuse Inc. or a qualified engineer to ensure the fuse meets the specific requirements of your application.
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To troubleshoot issues with RXEF050, start by checking the fuse rating and ensuring it matches the application's requirements. Verify the PCB layout and ensure proper thermal dissipation. Check for signs of overheating, such as discoloration or deformation. If the issue persists, consult the datasheet or contact Littelfuse Inc. for support.