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PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED
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.
RXEF050-1 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.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
RXEF050-1-ND
|
DigiKey | PTC RESET FUSE 72V 500MA RADIAL Min Qty: 1 Lead time: 15 Weeks Container: Bag |
3823 In Stock |
|
$0.1802 / $0.4900 | Buy Now |
DISTI #
650-RXEF050-1
|
Mouser Electronics | Resettable Fuses - PPTC .5A 72V 40A Imax RoHS: Compliant | 2021 |
|
$0.1800 / $0.4100 | Buy Now |
DISTI #
RXEF050-1
|
TTI | Resettable Fuses - PPTC .5A 72V 40A Imax RoHS: Compliant pbFree: Pb-Free Min Qty: 500 Package Multiple: 50 Container: Bulk | Americas - 0 |
|
$0.2340 / $0.2590 | Buy Now |
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RXEF050-1
Littelfuse Inc
Buy Now
Datasheet
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RXEF050-1
Littelfuse Inc
PTC Resettable Fuse, Through Hole Mount, RADIAL LEADED
|
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, CSA, TUV, UL | |
Resistance | 0.5 Ω | |
Resistor Type | PTC RESETTABLE FUSE | |
Surface Mount | NO | |
Terminal Finish | Tin (Sn) | |
Terminal Placement | RADIAL | |
Terminal Shape | WIRE | |
Thermistor Application | OVERCURRENT PROTECTION | |
Working Voltage | 72 V |
A good PCB layout for RXEF050-1 should ensure that the fuse is placed in a location that allows for good heat dissipation, and that the traces are wide enough to handle the maximum current rating. It's also recommended to use a solid ground plane and to keep the fuse away from high-voltage components.
While RXEF050-1 is rated for operation up to 125°C, it's essential to consider the derating curve and ensure that the fuse is not subjected to temperatures above its rating. Additionally, the fuse's performance may degrade over time if operated at high temperatures, so it's crucial to evaluate the fuse's performance in the specific application.
To select the correct fuse value, you need to consider the maximum current rating of your circuit, the voltage rating, and the fault current available. You should also consider the fuse's melting integral (I²t) and the let-through energy (I²t) to ensure that the fuse can handle the fault current and energy in your application.
RXEF050-1 is designed to meet the requirements of various industry standards, including those for vibration. However, it's essential to evaluate the fuse's performance in the specific application and ensure that it can withstand the vibration levels and frequencies present in the environment.
The recommended soldering profile for RXEF050-1 is a peak temperature of 260°C for 10 seconds, with a ramp-up rate of 3°C/second and a ramp-down rate of 6°C/second. It's essential to follow the recommended soldering profile to ensure that the fuse is not damaged during the soldering process.