KD1-40NAGD-2B

LED Display/7-segment Display

KD1-40NAGD-2B and KD1-40NCGD-2B are single-digit, yellow-green 7-segment LED displays with a character height of 0.40 inch (10.16 mm). Designed for optimal readability and high reliability under bright ambient lighting, these displays feature a standard black surface with green segments.

ROHM LAP-401MD Drop-in Replacement:
The KD1-40NAGD-2B (Common Anode) serves as a 100% pin-to-pin, mechanical, and electrical drop-in replacement for the discontinued/EOL ROHM LAP-401MD. It features the exact same package dimensions, optical alignment, and standard 10-pin DIP footprint, allowing manufacturers to solve supply chain disruption and seamlessly swap components on existing PCBs without any layout redesign.

  • Configuration: KD1-40NAGD-2B (Common Anode) / KD1-40NCGD-2B (Common Cathode)
  • Applications: Industrial instrumentation, control panels, test equipment, power meters, and consumer electronics.
[PDF] KD1-40NAGD-2B
Features

  • Industry-standard 10-pin DIP footprint
  • 0.40-inch (10.16 mm) digit height, ensuring clear readability up to 7 meters
  • High-efficiency Yellow Green segments (572 nm dominant wavelength) with black surface
  • Excellent contrast and legibility under bright ambient light conditions
  • Mechanically rugged and durable construction with stable performance under vibration and shock
  • Low power consumption and high reliability engineered for long-term industrial applications
  • RoHS compliant
Applications

  • Industrial: Control panels, panel meters, test & measurement.
  • Commercial: POS terminals, vending machines, kiosks.
  • Consumer: Home appliances, smart devices, gaming systems.
  • General: Digital readouts, counting modules.
Specifications
Emitting Color
Yellow Green
Face Color Black
Digit Height 10.16mm (0.4")
Polarity Common Anode
Luminous IntensityTyp.(mcd) 96.0
λd(nm)
CIE(x,y)
572
Digit Number Single Digit

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