CR1206-FX-3321ELF is a thick film chip resistor from Bourns' CR Series designed for general-purpose and precision applications. It features a 1206 package size with tight tolerance of bottom electrode width and offers both 1% and 5% tolerance options. The resistor is rated for 1/4 W power dissipation at 70°C, with a maximum working voltage of 200 V and maximum overload voltage of 400 V. It incorporates a three-layer termination process with nickel barrier to prevent leaching and ensure excellent solderability, and is RoHS compliant. The device operates over a temperature range of -55°C to +125°C and is supplied in tape and reel packaging, making it suitable for automated assembly in consumer electronics, industrial control, and telecommunications applications.