electical over stress

Hello i have to heat a petri dish for some appliances , and i would love to know which recomandations of heater can you please give me ? It is for small samples . thanks

Dear Friends, I am working in an Electronics Manufacturer service (EMS) and we do PCB assemblies for Automotive products (ABS). We are getting many field failures due to components burnt issue. Mostly like diodes, ASIC, MCU and FET components are getting damaged/burning in the field. Whenever...