Brother PR3030D42 Circuit Board Assembly

The Brother PR3030D42 Circuit Board Assembly is a digital control and display module designed for use in electronic systems requiring numeric indication, voltage monitoring, or digital process feedback. It integrates a main processing circuit and a seven-segment LED display for direct parameter visualization. Model: PR3030D42 Type: Digital Display and Control Circuit Board Assembly Function: Provides numeric visual indication and signal processing for electronic control systems Display Type: 4-digit seven-segment LED display (0.56 in, red color) Display Driver: Integrated 16-pin IC for LED multiplexing and segment control Main IC: Toshiba TC11OT50CFL microcontroller (used for timing and signal processing) Input Signal: DC voltage or analog feedback signal (scaled to display range) Power Supply: +5 VDC regulated (derived from onboard power circuit) Voltage Regulator: 7805 linear regulator with TO-220 package and aluminum heatsink Capacitors: Electrolytic (1000 µF / 25V and 470 µF / 25V) and ceramic filtering capacitors for stability Connectors: 2-pin and 3-pin wire connectors for power input and signal interface PCB Material: FR-4 epoxy glass laminate, double-sided Assembly Type: Two-board stacked assembly (display board PR3030D51 and main control board PR3030D42) Board Markings: “PR3030D42” (main board), “PR3030D51” (display board) Display Range: 000.0 to 999.9 (depending on scaling circuit configuration) Indicators: Green and red LEDs for status and operation monitoring Operating Temperature: 0°C to +50°C Storage Temperature: -40°C to +85°C Mounting: Front-panel installation with standoff supports Cooling: Passive air convection Dimensions: Approx. 120 mm × 70 mm × 60 mm (4.7 in × 2.8 in × 2.4 in) Weight: Approx. 180 g Application: Digital voltage or current readout, process display, equipment diagnostic interface Manufacturer: Brother Industries Ltd. Country of Manufacture: Japan Please review pictures carefully and let us know if you have any questions!