Skip to main content
Electrical Engineering

Return to Question

Bumped by Community user
Bumped by Community user
Bumped by Community user
Bumped by Community user
Bumped by Community user
Bumped by Community user
added 29 characters in body; edited title
Source Link
ocrdu
ocrdu
  • 9.3k
  • 23
  • 32
  • 42

How to chosechoose a resettable fuse for a 24 V DC to 5V DC converter?

I want to use a 24V24 V to 5V5 V DC converter, the PYBJ10-Q24-S5 (https://www.mouser.fr/datasheet/2/670/pybj10PYBJ10-omQ24-1548233.pdfS5).

PageOn page 7 of the datasheet, they specifiedspecify the EMC Recommended Circuit which includes the fuse I'm trying to choose  :   

enter image description here

If I understood correctly the datasheet correctly, the converter accepts a maximum input current of 508mA508 mA and has a current overload protection of at least 110%  :   

enter image description here

So if I'm correct, in the worst case scenario it should not exceed 558mA558 mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current such asat which the fuse won't trip.

The, and the tripping current is the minimum current such asat which the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current = 508mAof 508 mA and a tripping current = 558mAof 558 mA.

ProblemThe problem is  : in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550mA550 mA versus 1A1 A but I'm afraid that 1amp1 A is much too high for my converter.

I guess I'm missing something.

How to chose resettable fuse for 24 V DC to 5V DC converter?

I want to use a 24V to 5V DC converter, the PYBJ10-Q24-S5 (https://www.mouser.fr/datasheet/2/670/pybj10-om-1548233.pdf).

Page 7 of the datasheet, they specified the EMC Recommended Circuit which includes the fuse I'm trying to choose  :  enter image description here

If I understood correctly the datasheet, the converter accepts a maximum input current of 508mA and has a current overload protection of at least 110%  :  enter image description here

So if I'm correct, in the worst case scenario it should not exceed 558mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current such as the fuse won't trip.

The tripping current is the minimum current such as the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current = 508mA and a tripping current = 558mA.

Problem is  : in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550mA versus 1A but I'm afraid that 1amp is much too high for my converter.

I guess I'm missing something.

How to choose a resettable fuse for a 24 V DC to 5V DC converter?

I want to use a 24 V to 5 V DC converter, the PYBJ10-Q24-S5.

On page 7 of the datasheet, they specify the EMC Recommended Circuit which includes the fuse I'm trying to choose: 

enter image description here

If I understood the datasheet correctly, the converter accepts a maximum input current of 508 mA and has a current overload protection of at least 110%: 

enter image description here

So if I'm correct, in the worst case scenario it should not exceed 558 mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current at which the fuse won't trip, and the tripping current is the minimum current at which the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current of 508 mA and a tripping current of 558 mA.

The problem is: in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550 mA versus 1 A but I'm afraid that 1 A is much too high for my converter.

I guess I'm missing something.

Bumped by Community user
Bumped by Community user
Bumped by Community user
Bumped by Community user
Bumped by Community user
Bumped by Community user
Add of pictures
Source Link
A.Girafe
A.Girafe
  • 25
  • 6

I want to use a 24V to 5V DC converter, the PYBJ10-Q24-S5 (https://www.mouser.fr/datasheet/2/670/pybj10-om-1548233.pdf).

Page 7 of the datasheet, they specified the EMC Recommended Circuit which includes the fuse I'm trying to choose. : enter image description here

If I understood correctly the datasheet, the converter accepts a maximum input current of 508mA and has a current overload protection of at least 110%. : enter image description here

So if I'm correct, in the worst case scenario it should not exceed 558mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current such as the fuse won't trip.

The tripping current is the minimum current such as the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current = 508mA and a tripping current = 558mA.

Problem is : in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550mA versus 1A but I'm afraid that 1amp is much too high for my converter.

I guess I'm missing something.

I want to use a 24V to 5V DC converter, the PYBJ10-Q24-S5 (https://www.mouser.fr/datasheet/2/670/pybj10-om-1548233.pdf).

Page 7 of the datasheet, they specified the EMC Recommended Circuit which includes the fuse I'm trying to choose.

If I understood correctly the datasheet, the converter accepts a maximum input current of 508mA and has a current overload protection of at least 110%.

So if I'm correct, in the worst case scenario it should not exceed 558mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current such as the fuse won't trip.

The tripping current is the minimum current such as the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current = 508mA and a tripping current = 558mA.

Problem is : in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550mA versus 1A but I'm afraid that 1amp is much too high for my converter.

I guess I'm missing something.

I want to use a 24V to 5V DC converter, the PYBJ10-Q24-S5 (https://www.mouser.fr/datasheet/2/670/pybj10-om-1548233.pdf).

Page 7 of the datasheet, they specified the EMC Recommended Circuit which includes the fuse I'm trying to choose : enter image description here

If I understood correctly the datasheet, the converter accepts a maximum input current of 508mA and has a current overload protection of at least 110% : enter image description here

So if I'm correct, in the worst case scenario it should not exceed 558mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current such as the fuse won't trip.

The tripping current is the minimum current such as the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current = 508mA and a tripping current = 558mA.

Problem is : in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550mA versus 1A but I'm afraid that 1amp is much too high for my converter.

I guess I'm missing something.

Source Link
A.Girafe
A.Girafe
  • 25
  • 6

How to chose resettable fuse for 24 V DC to 5V DC converter?

I want to use a 24V to 5V DC converter, the PYBJ10-Q24-S5 (https://www.mouser.fr/datasheet/2/670/pybj10-om-1548233.pdf).

Page 7 of the datasheet, they specified the EMC Recommended Circuit which includes the fuse I'm trying to choose.

If I understood correctly the datasheet, the converter accepts a maximum input current of 508mA and has a current overload protection of at least 110%.

So if I'm correct, in the worst case scenario it should not exceed 558mA.

I was planning to use a resettable fuse. If I understood correctly, the holding current is the maximum current such as the fuse won't trip.

The tripping current is the minimum current such as the fuse will trip.

In conclusion, I have to choose a resettable fuse with a holding current = 508mA and a tripping current = 558mA.

Problem is : in this configuration, I can't find exactly the right fuse.

Knowing all this, how do I choose my fuse from all the existing models?

For example, I found some fuses with currents of 550mA versus 1A but I'm afraid that 1amp is much too high for my converter.

I guess I'm missing something.