The Comchip Technology CZRU52C3V9-HF Zener Diode is a surface mount 2-SMD, no lead package designed for use in discrete semiconductor products. With an operating temperature range of -55°C to 125°C, this diode has a Zener voltage of 3.9V and a power dissipation of 150mW. The package is a 0603/SOD-523F and the diode is ±5% tolerant. The CZRU52C3V9-HF is supplied on a reel and has a limited supply and demand status with a quantity of 4000 per package. The estimated production lead time is 7 weeks and the diode is REACH unaffected. ECCN is EAR99.