0.28 Inch 4-Digit Common Cathode Red 7-Segment Display
![0.28 Inch 4-Digit Common Cathode Red 7-Segment LED Display for clocks, timers, counters, and DIY electronic projects-1]()
![0.28 Inch 4-Digit Common Cathode Red 7-Segment LED Display for clocks, timers, counters, and DIY electronic projects-2]()
![0.28 Inch 4-Digit Common Cathode Red 7-Segment LED Display for clocks, timers, counters, and DIY electronic projects-3]()
![0.28 Inch 4-Digit Common Cathode Red 7-Segment LED Display for clocks, timers, counters, and DIY electronic projects-1]()
![0.28 Inch 4-Digit Common Cathode Red 7-Segment LED Display for clocks, timers, counters, and DIY electronic projects-2]()
![0.28 Inch 4-Digit Common Cathode Red 7-Segment LED Display for clocks, timers, counters, and DIY electronic projects-3]()
Designed for durability and low power consumption, this display is widely used in timers, counters, voltage meters, and other electronic instruments. Its standardized pin layout allows for quick circuit connections, while the compact size makes it suitable for space-limited designs.
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0.28 Inch 4-Digit Common Cathode Red 7-Segment Display
Available:In Stock
- Product SKU: DISPL015
₹ 28
₹ 39
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Warehouse Details
Specification
Description
0.28 Inch 4-Digit Common Cathode Red 7-Segment Display
The 0.28 Inch 4-Digit Common Cathode Red 7-Segment Display is a compact and efficient solution for numeric indication in electronic circuits. Featuring bright red LED segments, it provides excellent visibility even in low-light conditions. The common cathode configuration ensures easy integration with driver ICs and microcontrollers, making it a reliable choice for both DIY projects and professional applications.Designed for durability and low power consumption, this display is widely used in timers, counters, voltage meters, and other electronic instruments. Its standardized pin layout allows for quick circuit connections, while the compact size makes it suitable for space-limited designs.
Technical Details
- Display Type: 4-Digit 7-Segment LED
- Configuration: Common Cathode
- Digit Height: 0.28 inch (≈7.0 mm)
- Color: Red
- Segments per digit: 7 + decimal point (DP)
- Forward Voltage (per segment): 1.8V – 2.2V (typical)
- Forward Current (per segment): 10mA – 20mA
- Peak Current (per segment): 30mA (max)
- Recommended Drive: Multiplexed (four commons), duty ≈ 1/4
- Operating Voltage: 5V (typical with series resistors/driver IC)
- Operating Temperature: -25°C to +85°C
- Pin Count: 12 (shared segments + 4 commons)
Features
- Compact 0.28" 4-digit module for dense numeric readouts
- High-visibility red LED segments
- Low power consumption and long service life
- Easy to interface with common display drivers and MCUs
- Ideal for timers, clocks, counters, and panel meters
Applications
- Electronic instruments requiring 4-digit numeric display
- Digital clocks, counters, and measurement panels
- Battery/voltage meters and compact embedded UIs
- General purpose DIY and educational electronics
Drawing
Pin Configuration
| S.No. | Pin No. | Symbol | Description |
|---|---|---|---|
| 1 | 1 | E | Segment E (shared) |
| 2 | 2 | D | Segment D (shared) |
| 3 | 3 | CC1 | Common Cathode (Digit 1) |
| 4 | 4 | C | Segment C (shared) |
| 5 | 5 | DP | Decimal Point (shared) |
| 6 | 6 | B | Segment B (shared) |
| 7 | 7 | CC2 | Common Cathode (Digit 2) |
| 8 | 8 | A | Segment A (shared) |
| 9 | 9 | F | Segment F (shared) |
| 10 | 10 | CC3 | Common Cathode (Digit 3) |
| 11 | 11 | G | Segment G (shared) |
| 12 | 12 | CC4 | Common Cathode (Digit 4) |
Physical Attributes
- Digit Height: 7.0 mm (0.28")
- Body size: ~30–32 x 10 x 6.1 mm (approx.)
- Pin row spacing: 7.62 mm
- Pin pitch: 2.54 mm (typ.)
- Weight: 2.0 gm
Package Includes
- 1 x 0.28 Inch 4-Digit Common Cathode Red 7-Segment Display
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