0.40 inch dual-digit seven segment led display | Hi Red

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BL-D40G-21S

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Series No:BL-D40G-21
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Dimension
20.1 × 16 × 7 mm
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Embracing Clarity and Efficiency: The 0.40 Inch Dual-Digit Seven Segment LED Display

In the dynamic realm of digital display technology, the 0.40 inch dual-digit seven segment LED display has emerged as a linchpin for clarity, compactness, and energy efficiency. This in-depth article explores the 8 segment display—often referred to as the double seven segment display—unveiling its features, myriad applications, and the manifold benefits it brings to electronics. Additionally, we'll highlight real-world case studies and gather user testimonials to illustrate its transformative impact in the electronics industry.

Innovating with the 8 Segment Display

From the onset, the 8 segment display or double seven segment display has been celebrated for its ability to deliver precise information in a highly visible format. Its compact 0.40 inch size makes it an ideal choice for applications where space is limited but display clarity is non-negotiable.

Key Features of the 0.40 Inch Display

This display technology is distinguished by several key features:
  • High Brightness: Ensures readability even under strong ambient light.
  • Energy Efficiency: Low power consumption extends the life of battery-operated devices.
  • Versatile Display Capabilities: Capable of showing numbers, certain letters, and symbols, enhancing user interaction.

Where Function Meets Form: Applications

The 0.40 inch dual-digit seven segment LED display is incredibly versatile, finding applications in:
  • Consumer Electronics: From digital watches to calculators and portable meters.
  • Medical Devices: For clear, quick readouts where precision is paramount.
  • Industrial Controls: Offering durability and visibility in demanding environments.

The Advantages Unfold

Incorporating these displays into electronic devices offers compelling benefits, such as improved readability, enhanced aesthetic appeal, and operational efficiency. Moreover, their reliability and durability contribute significantly to reducing maintenance costs and extending product lifespan.

Through the Lens of Success: Case Studies

Real-world case studies underscore the value of the 0.40 inch dual-digit seven segment LED display across various sectors. From consumer electronics that have achieved higher user satisfaction to industrial applications where their robustness has ensured uninterrupted operation, the impact is profound and far-reaching.

Voices from the Field: User Testimonials

Testimonials from engineers, purchasers, and administrators who have leveraged these displays in their projects provide invaluable insights. They highlight the ease of integration, exceptional performance, and the overall enhancement of product value these displays bring to the table.

Looking Ahead: The Future of Digital Displays

The 0.40 inch dual-digit seven segment LED display sets the stage for future innovations in display technology. With advancements in LED efficiency and programmability, we anticipate even broader applications and enhancements, including improved color variations and interactive capabilities.

Conclusion: A Vision of Digital Excellence

The 0.40 inch dual-digit seven segment LED display epitomizes the synergy between practicality and innovation, offering a compact, efficient, and versatile solution that meets the demands of modern electronics. Its adoption not only signifies a step towards enhancing product design but also aligns with sustainability goals through its energy-efficient operation.

Call to Action

Electronics professionals poised to redefine clarity and efficiency in their next project are encouraged to explore the potential of the 0.40 inch dual-digit seven segment LED display. Delve into the future of display technology today and elevate your products to new heights of digital excellence.
0.40 inch dual-digit seven segment led display
0.40 inch dual-digit seven segment led display
0.40 inch double numeric LED display 0.40 inch digit height(10.20mm) widthxheight:20.10x16.00mm Low Current Operation Common Anode and Common Cathode available Excellent Character Appearance High Light Output Easy Mounting On PC Boards or Sockets IC Compatible Multicolor Available Categorized for Luminous Intensity Technically Rugged Standard: Gray Surface, White Segment RoHs Compliance
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Dimension and Circuit Drawing:
Related Information

Soldering

When soldering, leave a minimum of 2mm clearance from the base of the base of the lens to the soldering point. Dipping the lens into the solder must be avoided.

Do not apply any external stress to the lead frame during soldering while the LED is at high temperature.

Recommended soldering conditions:

 

IR Reflow Soldering (for SMD display)Wave SolderingSoldering Iron
Pre-Heat150-180°CPre-Heat100°C Max.Temperature300°C Max.
Pre-Heat Time120sec Max.Pre-Heat Time60sec Max.
Peak Temperature260°C Max.SolderWave260°C Max.Soldering Time3sec Max.(one time only)
Soldering Time10 sec Max.Soldering Time5sec Max.

Note: Excessive soldering temperature and/or time might result in deformation of the LED lens or failure of the LED

ESD(Electrostatic Discharge)

Static Electricity or power surge will damage the LED.

Suggestions to prevent ESD (Electrostatic Discharge):

n Use a conductive wrist band or anti-electrostatic glove when handling these LEDs

n All devices, equipment, and machinery must be properly grounded

n Work tables, storage racks, etc. should be properly grounded

n Use ion blower to neutralize the static charge which might have built up on surface of the LED’s

 plastic lens as a result of friction between LEDs during storage and handling

ESD-damaged LEDs will exhibit abnormal characteristics such as high reverse leakage current, 

low forward voltage, or “no light on” at low currents. To verify for ESD damage, check for “light on” 

and Vf of the suspect LEDs at low currents.

The Vf of “good” LEDs should be>2.0V@0.1mA for InGaN product and >1.4V@0.1mA for AlInGaP

 product.

antistatic notice-smd led

When selecting power for LED systems, it’s essential to understand several key parameters to ensure safe operation, longevity, and optimal performance. Here are some steps and considerations for LED power selection:

  • Determine the Forward Voltage (Vf) of the LED(s):

Each LED has a forward voltage, which is the voltage at which the LED operates when the current is flowing through it. This value can typically be found in the LED’s datasheet.

  • Determine the Forward Current (If) of the LED(s):

The forward current is the current at which the LED is designed to operate. Running an LED at higher than its rated current can reduce its lifespan and increase the heat it produces.

  • Decide on the Configuration:

Series Configuration: When LEDs are connected in series, the forward voltages add up, but the current remains the same.

Parallel Configuration: When LEDs are connected in parallel, the forward voltage remains the same, but the currents add up. This configuration can be risky because if one LED fails or has a slightly lower forward voltage, it can cause the other LEDs to draw more current.

Calculate Total Power Requirements:

Power (W) = Total Forward Voltage (V) x Total Forward Current (A)

For example, if you have three LEDs connected in series, each with a forward voltage of 3V and a forward current of 20mA, the total power requirement would be:

Power = (3V + 3V + 3V) x 20mA = 9V x 0.02A = 0.18W

  • Select an Appropriate Power Supply:
  • Voltage Rating: The power supply voltage should match or slightly exceed the total forward voltage of your LED configuration.
  • Current Rating: The power supply’s current rating should meet or exceed the total forward current of your LED configuration.
  • Safety Margin: It’s a good practice to select a power supply that can provide at least 20% more power than your calculated requirement. This ensures the power supply isn’t operating at its maximum capacity, which can extend its life and ensure safer operation.
  • Consider Additional Features:
  • Dimming Capability: If you want to control the brightness of your LEDs, choose a power supply with dimming capabilities.
  • Overcurrent and Overvoltage Protection: To protect your LEDs, select a power supply with built-in protection mechanisms.
  • Thermal Management: Ensure that the power supply has adequate cooling, especially if it will be enclosed or in a location with limited airflow.
  • Regulation and Efficiency:A power supply with good regulation will maintain a consistent voltage output despite variations in the load. High efficiency ensures minimal power is wasted as heat.
  • Physical Size and Form Factor:Depending on where you plan to place the power supply, its size and shape may be critical factors.

In summary, when selecting power for LED systems, understanding your LED’s requirements and the configuration you plan to use is essential. Then, pick a power supply that meets those needs with some added safety margin, keeping in mind any additional features or constraints relevant to your project.

Here are some well-regarded brands in the industry:

  • Mean Well: One of the most recognized brands in the LED power supply industry, Mean Well offers a wide range of products suitable for both indoor and outdoor applications. Their units often come with features like overcurrent protection, dimming capabilities, and high efficiency.
  • Tridonic: A global leader in lighting technology, Tridonic offers LED drivers and power supplies that cater to various lighting solutions, from simple setups to advanced smart lighting systems.
  • Philips Advance Xitanium: Philips is a well-known brand in the lighting industry, and their Xitanium series of LED drivers are known for reliability and performance. They cater to both indoor and outdoor LED applications.
  • Osram: Another giant in the lighting industry, Osram offers a range of LED drivers and power supplies suitable for various applications, including architectural and street lighting.
  • LIFUD: Specializing in LED drivers, LIFUD is known for its high-quality products that cater to both commercial and residential LED lighting solutions.
  • MOSO: This brand offers a variety of LED drivers, especially for outdoor and industrial applications. Their products are known for durability and performance.
  • TDK-Lambda: With a history in power electronics, TDK-Lambda offers a range of power supplies and LED drivers suitable for various applications, emphasizing reliability and advanced features.
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