The 575070-BZX55C39 is a single Zener diode designed for discrete semiconductor applications. It is available in a bulk package with a standard package quantity of 9,000 pcs. The diode has a tolerance of ±5% and a maximum power rating of 500 mW. It has a forward voltage of 1.3V @ a forward current of 100 mA and a reverse leakage current of 100 nA @ 28V reverse voltage. The Zener voltage is 39V with a maximum impedance of 90 Ohms. The diode is designed for through-hole mounting and comes in a DO-204AH, DO-35, Axial package. It can operate in a wide temperature range of -65°C to 200°C. Although this product is now obsolete, it was previously manufactured by Fairchild/ON Semiconductor and provided reliable performance for Zener diode applications.