TT Electronics IRC Advanced Film Div. (Corpus Christi, TX) has released a video about their patented TaNFilm thin-film resistor technology to demonstrate thin-film resistive elements that are immune from corrosion problems in humid environments. Available on the company’s website, the video positions the TaNFilm process as a reliable alternative to nichrome-based solutions in applications such as automotive, aerospace, military, telecom,
and portable electronics.
In the video, a water drop test is performed by IRC on unsealed TaNFilm and nichrome resistors. The test method entailed electrically testing both devices; placeing a drop of deionized water on each resistive element; applying a voltage (9 V) to each resistorfor 4 mins; visually inspecting each resistor; and electrically testing each resistor.
The video documents this procedure and is offered in two parts, titled:
- Watch Nichrome Dissolve! (2.61MB)
- Watch TaNFilm Hang Tough! (2.74MB)
The TaNFilm process relies on the self-passivating nature of tantalum nitride. “The two most popular materials used to develop precision thin-film resistors are tantalum nitride and nickel-chrome,” said Steve Wade, IRC’s director of sales and marketing. “Unlike NiChrome, our TaNFilm technology is self-passivating and does not dissolve when exposed to moisture and voltage.”
For more information, contact Steve Wade at 361-985-3140, or by email at steve.wade@irctt.com.
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