Kingbright DA56-51EWA: High Efficiency Red 0.56-inch Dual Digit Numeric Display

The Kingbright DA56-51EWA numeric display is engineered with high efficiency red light emitting diodes (LEDs) made from Gallium Arsenide Phosphide on Gallium Phosphide, offering a robust and clear display solution. With its 0.56-inch digit height and low current operation, this display is ideal for a variety of applications requiring energy efficiency and high visibility.

Features:

0.56-inch digit height for enhanced visibility
Low current operation for energy efficiency
Excellent character appearance for superior readability
Easy mounting on PC boards or sockets for versatile installation
Two-digit package simplifies alignments and assembly
Mechanically rugged for reliable performance
Standard gray face with white segment for high contrast
RoHS compliant for environmental sustainability
Applications:

Home and smart appliances for clear user interface displays
Display time and digital combinations
Industrial and instrumental applications requiring numeric status
Technical Specifications:

Emitting Color: High Efficiency Red (GaAsP/GaP)
Lens Type: White Diffused
Luminous Intensity: 3600 mcd (Min.), 6400 mcd (Typ.) at 10mA
Forward Voltage: 1.9V - 2.3V at 10mA
Capacitance: 15 pF
Reverse Current: -10 µA at 5V Reverse Voltage
Absolute Maximum Ratings:

Power Dissipation: 75 mW
Reverse Voltage: 5V
Junction Temperature: 125°C
Operating Temperature: -40°C to +85°C
Storage Temperature: -40°C to +85°C
DC Forward Current: 30 mA
Peak Forward Current: 160 mA
Electrostatic Discharge Threshold (HBM): 8000V
Lead Solder Temperature: 260°C for 3-5 Seconds
Optical Characteristics:

Wavelength at Peak Emission (IF = 10mA): 627 - 617 nm
Spectral Bandwidth at 50%: 45 nm
Mounting and Soldering Recommendations:

Through-hole displays are not compatible with reflow soldering.
Mild "no-clean" fluxes are recommended for soldering.
Cleaning should be done with water only, avoiding harsh organic solvents.
Packing & Label Specifications:

The DA56-51EWA is packed and labeled according to Kingbright's standard procedures to ensure quality and traceability.
Circuit Design Notes:

Protective current-limiting resistors may be necessary for operating LEDs within the specified range.
LEDs mounted in parallel should each have their own current-limiting resistor.
The driving circuit should protect the LED against reverse voltages and transient voltage spikes.
Precautionary Notes:

The information provided is intended for technical reference and is subject to change without notice.
Customers should refer to the latest datasheet for updated specifications before production usage.
Kingbright is not responsible for issues arising from exceeding specified limits.
For Further Assistance:

Visit Kingbright's Application Notes for more detailed guidance on design and implementation.