SparkFun
SMD Red 7-Segment LED Display - Common Anode
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This surface-mount 7-segment display is a compact red LED digit for custom PCBs where you want to avoid through-hole parts and keep the board profile low.Wit...
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This surface-mount 7-segment display is a compact red LED digit for custom PCBs where you want to avoid through-hole parts and keep the board profile low.
With a 0.3" (7.62mm) digit height, it remains easy to read while the overall package height is just 0.394" (10mm). The single-character display is suited to instrumentation indicators, numeric readouts and other space-conscious panel or board designs.
This unit uses a common anode configuration, making it compatible with a wide range of LED drivers and shift registers for multiplexed or controlled display applications.
Specifications:
- Number of Characters: 1
- Dimensions: 0.394" H x 0.287" W x 0.154" D (10.00mm x 7.30mm x 3.90mm)
- Digit Size: 0.30" (7.62mm)
- Display Type: 7-Segment
- Common Pin: Common Anode
- Color: Red
- Voltage - Forward (Vf) (Typ): 1.95V
- Current -Test: 20mA
- Millicandela Rating: 4.5mcd
- Wavelength - Peak: 640nm
- Power Dissipation (Max): 60mW
- Base Product Number: LDS-SMHTA304
A handy choice for low-profile numeric displays in instruments, counters, indicators and embedded projects using LED driver ICs or shift registers.
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- LED driver
- An LED driver is a control chip or circuit that supplies and switches power to LEDs. For a display board, it reduces the number of microcontroller pins needed and handles tasks like lighting the right segments and adjusting brightness.
- Power dissipation
- Power dissipation is electrical energy being turned into heat inside a component. It matters because too much heat can reduce efficiency, affect reliability, or require a larger component or better cooling.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
- wavelength
- The distance between repeating peaks of a wave, often used to describe the colour of light in nanometres. For visible lasers and LEDs, wavelength tells you the approximate colour, such as red, green or blue.
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