The MTZ J series Zener diode, part number 645672-MTZJT-7727B, is a discrete semiconductor product designed for use in various applications.

• Power Rating: 500mW
• Maximum Reverse Leakage Current: 200nA @ 21V
• Voltage: 27V
• Tolerance: ±3%
• Impedance: 45 ohms
• Mounting: Through-Hole
• Package: DO-204AG, DO-34, Axial

This diode is manufactured by Rohm Semiconductor and is part of their obsolete product line. It is commonly used in circuits that require voltage regulation or protection against voltage spikes. The MTZ J series offers reliable performance and is suitable for a wide range of electronic devices.