Product Series information
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 Series No:BL-L1F4 Dimension 5 × 5 × 6.8 mm Description: ___________________________________________________________________________________________________________________________________________________ 10mm Top Flat LED Diode – High-Brightness Indicator for Modern ElectronicsThe 10mm top flat LED diode is a widely used high-brightness indicator designed for applications requiring a large, bold, and clearly visible light source. Unlike standard round LEDs, the top flat design produces a wider light distribution, making it an excellent choice for control panels, displays, architectural lighting, and outdoor equipment. Whether used in industrial electronics or consumer devices, this LED diode delivers reliable performance, vibrant illumination, and excellent long-distance viewing capability. High-Intensity Illumination with Uniform OutputOne of the core advantages of the 10mm top flat LED diode is its exceptionally bright output. The flat-faced lens diffuses light more evenly than conventional domed LEDs, creating a broader and more uniform beam pattern. This makes the diode ideal for directional signaling, wide-angle indicators, and high-visibility displays. Many engineers prefer the top-flat structure because it minimizes glare while maintaining high luminous intensity. Different colors such as red, yellow, green, blue, white, and orange are available, allowing designers to implement color-coded indicators easily. Each color option maintains excellent consistency in brightness, wavelength, and reliability. Robust Construction for Industrial and Outdoor UseThe 10mm LED diode is manufactured with high-quality epoxy resin or PMMA lens material, offering superior durability and environmental resistance. The large body size provides enhanced mechanical strength, making it suitable for rugged environments. Key durability features include:
These characteristics make the diode ideal for equipment exposed to heat, moisture, or vibration. Available in Clear, Diffused, and Color-Tinted LensesDepending on the desired lighting effect, the 10mm flat top LED diode can be produced in several lens styles:
This versatility allows product designers to tailor the diode to their lighting, signaling, or display needs. Wide Viewing Angle for Better VisibilityThe flat surface creates a wider viewing angle compared to pointed or domed LEDs. This is beneficial in applications where the LED must be seen from different directions, such as:
A wide field of illumination ensures clear and easily perceivable signals even from off-center positions. Low Power Consumption with High EfficiencyThe 10mm LED diode delivers impressive brightness while maintaining very low power consumption. This is especially important in systems powered by small batteries, solar energy, or low-voltage drivers. Electrical characteristics include:
These features reduce energy costs and enhance the durability of the components around the LED.  Common Applications of 10mm Top Flat LEDsBecause of their high brightness and versatility, these LEDs are used across a wide variety of industries. Popular applications include:
Their large surface area and high intensity make them especially suitable for devices that require strong visual cues. Case Study: Improving Visibility in Outdoor Security SystemsA security equipment manufacturer upgraded their indicator system using the 10mm top flat LED diode to enhance nighttime visibility. The wide-angle illumination improved alarm signal perception, even from distance or sharp angles. End users reported a 30% improvement in visual clarity, ultimately increasing system reliability and reducing false user errors. User Testimonials“Perfect brightness for industrial panels.”
“Reliable and consistent performance.”
“Excellent visibility for outdoor devices.”
ConclusionThe 10mm top flat LED diode offers exceptional brightness, durable construction, and wide applicability across industries. Its efficient power usage, excellent visibility, and versatile lens options make it an ideal choice for engineers, designers, and manufacturers looking for a dependable LED solution. If you need a strong, uniform, and long-lasting indicator light, the 10mm top flat LED remains one of the best-performing components available today. ___________________________________________________________________________________________________________________________________________________ Dimension and Circuit Drawing:  |
Related Article List
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 Soldering | Soldering Iron | |||
| Pre-Heat | 150-180°C | Pre-Heat | 100°C Max. | Temperature | 300°C Max. |
| Pre-Heat Time | 120sec Max. | Pre-Heat Time | 60sec Max. | ||
| Peak Temperature | 260°C Max. | SolderWave | 260°C Max. | Soldering Time | 3sec Max.(one time only) |
| Soldering Time | 10 sec Max. | Soldering Time | 5sec 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.
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.
