What do the insides of a power resistor look like?
Here are photos of 2.2 ohms/5 watt wire wound ceramic resistors. The outer shell is made of ceramic (which is a good conductor of heat but a bad conductor of electricity).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjV8q4Np6qtvfGNFF9Hc08iDfKZ8yGwbU02lMBDM1wFUkPhkxUjltTmE_L_UhYaHNJtxcEwTH4-SuVptysgnC7y56UZMr6NoPL2fQQk9d5H3nL2BwcpmHy5lIlRJLc5Luodj30m-7VAwLU/s400/IMG_0957.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ5l3hEPgtQypT-3bMIom-z_s5ps9U05FCftPVMppMwGmEMVOEtSbX_Ze6zzcKYr9yNTfAzo813oijGwH_cw5yzj0Yeljw_1bV3tGZ9DNVA2VjJDTsd_I_ZfGHeZjI4fZ3CHqFwnXHxYQ/s400/IMG_0956.jpg)
In Mumbai, India, such resistors can be bought from Visha Electronics Corporation
References:
Here are photos of 2.2 ohms/5 watt wire wound ceramic resistors. The outer shell is made of ceramic (which is a good conductor of heat but a bad conductor of electricity).
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjV8q4Np6qtvfGNFF9Hc08iDfKZ8yGwbU02lMBDM1wFUkPhkxUjltTmE_L_UhYaHNJtxcEwTH4-SuVptysgnC7y56UZMr6NoPL2fQQk9d5H3nL2BwcpmHy5lIlRJLc5Luodj30m-7VAwLU/s400/IMG_0957.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ5l3hEPgtQypT-3bMIom-z_s5ps9U05FCftPVMppMwGmEMVOEtSbX_Ze6zzcKYr9yNTfAzo813oijGwH_cw5yzj0Yeljw_1bV3tGZ9DNVA2VjJDTsd_I_ZfGHeZjI4fZ3CHqFwnXHxYQ/s400/IMG_0956.jpg)
In Mumbai, India, such resistors can be bought from Visha Electronics Corporation
References:
Comments
Post a Comment