Corpus Christi, Tex. Designed for extremely high-temperature applications such as down-hole oil drilling sensing equipment, automotive engine compartment and aerospace equipment, TT electronics IRC Advanced Film Division has developed a series of tantalum nitride chip resistors rated for operation at 200°C.
Available in 0603, 0805 and 1206 chip sizes, the PFC-HT series chip resistors offer voltage and power ratings of 33.3 V/62.5 mW, 50 V/100 mW and 100 V/125 mW, respectively. The chip resistors offer a resistance range is from 10 ohms to 85 Kohms, with tolerances to ±1%. The resistors are available with absolute temperature coefficient of resistance (TCR) values from ±25 ppm/°C to 100 ppm/°C, with an operating temperature range from -55°C to 200°C.
The PFC-HT chip resistors use IRC's proprietary TaNFilm self-passivating resistive element technology, and feature a wraparound non-leaching termination style, with either gold-plated or 100% tin (lead-free) versions specifically designed to enable the devices to operate at elevated temperatures. Click the link for the PFC-HT series datasheet.
"In addition to designing the resistor itself for high-temperature operation, the challenge also included developing a method to attach to the PC-board at such temperature extremes," said Jerry Seams, applications engineering manager for IRC's Advanced Film Division, in a statement. "The resistors are available with either 100% tin or gold-plated terminations that will not reflow at 200°C, enabling engineers to use epoxies and solders designed for high temperature applications."
Pricing for the PFC-HT series devices is $0.30 each in quantities of 10,000. Delivery is from stock to eight to nine weeks.
TT electronics IRC Advanced Film Division, 1-361-992-7900, www.irctt.com