You can send a request for quote for p/n 4239-90004 to Power Air Consulting using powerairconsulting.com. This part is manufactured by Chromalox Corp. The description of it is Semiconductor Devic. The national stock number associated with this part is 5961011758104. This part belongs to part family. An associate from Power Air Consulting will respond within 15 minutes to your query. It is our pleasure to help you with 4239-90004 part requirements.