MDA115-0
The B & R Automation MDA115-0 is a robust Rectifier Diode integrating seamlessly into the MDE Digital Input Modules series. Designed and manufactured by B & R Automation, this through-hole device is optimized for demanding industrial automation environments. The module’s primary specification provides a Reverse Voltage rating of 1150V, enabling high-voltage rectification with confidence. It supports an Average Forward Current (I_f(av)) of 1.1A, making it suitable for sustained current applications. Certified RoHS Compliant and designated as Lead Free Status, it meets modern environmental and safety standards.
Performance in transient and high-stress conditions is a standout feature of the MDA115-0. It delivers a Surge Forward Current (I_fsm) of 20A, allowing it to withstand inrush and fault currents that occur during start-up or load transients. The Maximum Reverse Recovery Time of 2.5µs ensures rapid commutation and minimal reverse-recovery charge, safeguarding upstream components and reducing switching losses. Its Polarity is configured as Standard, facilitating predictable conduction direction in rectification circuits. With an Operating Temperature Range spanning from –40°C to +150°C, the MDA115-0 maintains performance across extreme thermal environments. The Mounting Style is Through Hole, delivering mechanical stability on printed circuit boards in high-vibration or shock-prone installations.
Reliability is further enhanced through its industrial-grade construction, enabling continuous operation under harsh conditions without performance degradation. The combination of fast recovery characteristics and high surge tolerance reduces thermal stress, extending the diode’s service life. Integration into existing control panels and power supply units is simplified by its standardized Through Hole footprint, ensuring compatibility with legacy designs and modern automation platforms alike. Typical applications include power rectification in industrial drives, DC link circuits, and protective clamping in signal conditioning paths. When deployed within factory automation, machinery control, and process systems, the MDA115-0 delivers dependable rectification and protection, reinforcing system uptime and operational safety.