This document introduces the features and characteristics of the BBTT-AA555544RRDD model product produced by Dinghao Electronics Company, including a 0.56 inch high three-digit seven-segment digital tube display, continuous uniform segments, low power requirements, excellent character appearance, solid-state reliability, categorized by luminous intensity, etc.
The BT‑A554RD is a 0.56 inch (14.20 mm) three‑digit, seven‑segment LED display featuring continuous uniform segments, low power requirement, and solid‑state reliability. It is a common‑anode, direct‑drive device with a black face and white segments, compliant with RoHS.
The datasheet provides package dimensions, absolute maximum ratings, and electrical/optical characteristics such as forward current, luminous intensity, and wavelength. Typical electro‑optical curves illustrate radiant intensity, forward voltage versus temperature, and current derating.
| Digit Height | 0.56 inch (14.20 mm) |
|---|---|
| Power Dissipation per Segment | 80 mW |
| Forward Current per Segment | 30 mA |
| Peak Forward Current (1 kHz duty 110%) | 150 mA |
| Reverse Voltage per Segment | 5 V |
| Operating Temperature Range | -40 °C to 80 °C |
The digit height is 0.56 inch (14.20 mm).
The maximum forward current per segment is 30 mA.
It operates from –40 °C up to 80 °C.