Product Series information
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 Series No:BL-L2F3 Dimension 3.3 × 2.4 × 3 mm Description: ___________________________________________________________________________________________________________________________________________________ 2mm Flat Top Cylindrical Super Bright LED Diode – High-Intensity Miniature Indicator for Precision ElectronicsThe 2mm flat top cylindrical super bright LED diode is engineered for applications that demand exceptional brightness in an ultra-compact form factor. As electronic devices shrink in size and increase in functionality, the need for small yet powerful visual indicators becomes greater. This 2mm LED provides a perfectly balanced solution—delivering a wide, uniform illumination pattern thanks to its flat-top lens while maintaining the focused efficiency and durability associated with cylindrical LED packages. Electronics manufacturers, design engineers, and purchasing professionals rely on this LED for compact devices, handheld systems, communication equipment, and precision instruments. Its small footprint, high brightness, and reliable performance make it an ideal choice for modern high-density circuit designs. ⭐ Key Features of the 2mm Flat Top Cylindrical Super Bright LED Diode1. Ultra-Compact 2mm Cylindrical FormThe 2mm diameter ensures:
Ideal for ultra-small indicators, multi-LED arrays, or compact switch illumination. 2. Flat-Top Lens for Uniform Light DistributionUnlike traditional round LEDs, the flat-top design offers:
This makes the LED especially effective for backlighting, status indicators, and edge lighting. 3. Super Bright Light OutputThis LED uses high-efficiency semiconductor chips to deliver:
Perfect for high-performance applications that require strong indication without added bulk. 4. Energy-Efficient and Low Heat EmissionAdvantages include:
A superior choice for IoT devices, handheld units, and micro-instruments. 5. Long Operational Life and High DurabilityBuilt for reliability, this LED features:
Designed to perform consistently for 50,000+ hours. ⭐ Applications of the 2mm Flat Top Cylindrical Super Bright LED✔ Portable and Wearable ElectronicsThe LED’s small footprint and strong brightness are ideal for:
✔ Industrial and Laboratory InstrumentsUsed in:
✔ Consumer ElectronicsIdeal for:
✔ Automotive and Transportation DevicesUsed for:
✔ Telecommunications and Networking HardwareCommon in:
 ⭐ Benefits of Choosing a 2mm Flat Top Cylindrical Super Bright LED✔ Uniform Wide-Angle IlluminationThe flat lens enhances side visibility and spreads light evenly across surfaces or indicator windows. ✔ High Brightness in a Very Small PackageDelivers powerful luminosity without increasing PCB size or system footprint. ✔ Energy-Saving PerformanceOptimized power efficiency supports low-current designs and battery-operated products. ✔ Rugged ReliabilityDesigned to withstand shock, vibration, and long operating cycles. ✔ Cost-Efficient for Mass ProductionConsistent quality and excellent electrical performance reduce design revisions and manufacturing costs. ⭐ Case StudyA company developing miniature control switches for a smart security system required a very small but highly visible LED indicator. The design demanded:
The 2mm flat top cylindrical LED delivered outstanding results.
This LED allowed the manufacturer to keep the device ultra-compact without sacrificing optical performance. ⭐ User TestimonialsHardware Engineer – UK"The 2mm flat top LED is incredibly bright and perfect for our small form-factor control panels." Procurement Specialist – Singapore"Reliable supply, consistent brightness, and easy PCB integration. Ideal for mass production." Product Developer – Canada"We switched to the flat-top version for better light spread—results were excellent across all prototypes." ⭐ ConclusionThe 2mm flat top cylindrical super bright LED diode is an essential component for engineers designing compact, energy-efficient, and high-visibility electronic products. Its combination of small size, super brightness, uniform illumination, and long-term reliability makes it ideal for modern devices across consumer, industrial, automotive, and IoT sectors. If your project requires powerful light output in the smallest possible footprint, this LED provides the perfect balance of performance and efficiency. ___________________________________________________________________________________________________________________________________________________ Dimension and Circuit Drawing:  |
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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.
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