What are the differences between 1206 and 0805 chip resistor packages besides size and power?

electricor

What are the differences between 1206 and 0805 chip resistor packages besides size and power? [Copy link]

 

What are the differences between 1206 and 0805 chip resistor packages besides size and power?

okhxyyo

The main differences are these two. The difference between 1206 and 0805 is the size. The first two digits represent the length of the component (12 means the length of the component is 120mil), and the last two digits represent the width of the component (06 means the width of the component is 60mil). The power of the two package resistors is also different. The 1206 package is a 1/4W resistor, and the 0805 package is a 1/10W resistor. The power is determined by the package, just like the plug-in. The larger the volume, the greater the power.

chunyang

There are also differences in distributed parameters, which are explained in the device manual, but generally do not require attention. They only need to be paid attention to when the frequency is high enough.

qwqwqw2088

The main difference is the size and power, and there is really no need to pay too much attention to other things

star_66666

Pay attention to it

bigbat

These two packages are basically not used in high-speed circuits. The difference is only in power, size, and heat dissipation.

electricor

chunyang posted on 2018-7-31 13:53 There are also differences in distribution parameters, which are explained in the device manual, but generally you don't need to pay attention to it. You only need to pay attention to it when the frequency is high enough.

Can these two be replaced?

chunyang

electricor Published on 2018-7-31 15:10 Can these two be interchanged?

As long as the power and accuracy meet the requirements, they can be interchanged.

electricor

okhxyyo posted on 2018-7-31 12:00 The main difference is these two. The difference between 1206 and 0805 is the size. The first two digits represent the length of the component (12 means the component is 120mil long). ...

Can 1206 replace 0805?

okhxyyo

electricor posted on 2018-7-31 15:43 Can 1206 be used to replace 0805?

Generally speaking, it can be replaced. If your board is already made, you have to look at the welding problem. The size is relatively large and the pads are not quite consistent. Pay attention when welding. If the board has not been made yet, pay attention to changing the package.

世界树下的巫师

Just choose the size according to the power you need for the resistor, nothing else matters.

采样电阻

1206 can replace 0805 because 1206 has high power and can replace 0805 with low power.