What is the power consumption of 3535 LED 980 NM SMD?

Oct 07, 2025Leave a message

When it comes to the world of infrared LEDs, the 3535 LED 980 NM SMD is a remarkable component that has found its way into a wide range of applications. As a supplier of 3535 LED 980 NM SMD, I am often asked about its power consumption. In this blog post, I will delve into the details of the power consumption of this particular LED and provide you with a comprehensive understanding of its energy usage.

Understanding the Basics of 3535 LED 980 NM SMD

Before we dive into the power consumption, let's first understand what the 3535 LED 980 NM SMD is. The "3535" refers to the size of the LED package, which measures 3.5mm x 3.5mm. The "980 NM" indicates the wavelength of the infrared light emitted by the LED. In this case, it emits near-infrared light with a wavelength of 980 nanometers. The "SMD" stands for Surface Mount Device, which means that the LED can be easily mounted on a printed circuit board (PCB) using surface mount technology.

These LEDs are commonly used in various applications, including security cameras, night vision devices, iris recognition systems, and medical equipment. Their ability to emit near-infrared light makes them ideal for applications where invisible illumination is required.

Factors Affecting Power Consumption

The power consumption of a 3535 LED 980 NM SMD is influenced by several factors. Understanding these factors is crucial for accurately estimating the energy usage of the LED in a specific application.

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Forward Current (IF)

The forward current is one of the most significant factors affecting the power consumption of an LED. It refers to the current that flows through the LED when it is forward-biased and emitting light. In general, the higher the forward current, the higher the power consumption of the LED.

For a 3535 LED 980 NM SMD, the typical forward current can range from 20mA to 150mA, depending on the specific model and application requirements. Higher forward currents result in brighter light output but also consume more power. For example, if an LED is operating at a forward current of 50mA, it will consume more power than when it is operating at 20mA.

Forward Voltage (VF)

The forward voltage is the voltage drop across the LED when it is conducting current. It is another important factor that affects power consumption. The forward voltage of a 3535 LED 980 NM SMD typically ranges from 1.4V to 2.0V, depending on the forward current and the specific characteristics of the LED.

Power consumption (P) can be calculated using the formula P = VF x IF, where VF is the forward voltage and IF is the forward current. As the forward voltage increases, the power consumption also increases, assuming the forward current remains constant.

Duty Cycle

The duty cycle is the ratio of the time the LED is turned on to the total time of one cycle. In some applications, the LED may not be continuously on but rather pulsed on and off. For example, in a security camera system, the infrared LED may be pulsed at a certain frequency to save power while still providing sufficient illumination.

A lower duty cycle means that the LED is turned on for a shorter period of time within each cycle, resulting in lower average power consumption. For instance, if an LED has a duty cycle of 50%, it is only on for half of the total time, and its average power consumption will be approximately half of what it would be if it were continuously on.

Calculating Power Consumption

To calculate the power consumption of a 3535 LED 980 NM SMD, we can use the formula mentioned earlier: P = VF x IF. Let's take an example to illustrate this calculation.

Suppose we have a 3535 LED 980 NM SMD with a forward voltage of 1.6V and a forward current of 30mA. Using the formula, we can calculate the power consumption as follows:

P = VF x IF
P = 1.6V x 0.03A (since 30mA = 0.03A)
P = 0.048W or 48mW

This means that the LED consumes 48 milliwatts of power when operating at these conditions.

If the LED is operated with a duty cycle, we need to adjust the power consumption calculation accordingly. For example, if the duty cycle is 20%, the average power consumption would be 20% of the power consumption when the LED is continuously on. So, in the above example, the average power consumption with a 20% duty cycle would be 0.2 x 48mW = 9.6mW.

Comparison with Other Similar LEDs

It can be helpful to compare the power consumption of a 3535 LED 980 NM SMD with other similar LEDs in the market. Let's take a look at two related products: the 3535 940NM SMD IR LED and the 3535 950 SMD LED.

The power consumption of these LEDs also depends on factors such as forward current and forward voltage. Generally, LEDs with different wavelengths may have slightly different forward voltage characteristics, which can affect their power consumption. However, the overall power consumption trends are similar, with higher forward currents resulting in higher power consumption.

When choosing between these LEDs, it is important to consider not only the power consumption but also the specific requirements of the application, such as the required wavelength and light output.

Energy Efficiency and Cost Savings

In today's world, energy efficiency is a major concern for many applications. By understanding the power consumption of a 3535 LED 980 NM SMD, users can make informed decisions to optimize energy usage and reduce costs.

Using LEDs with lower forward currents and appropriate duty cycles can significantly reduce power consumption. Additionally, choosing high-quality LEDs with better efficiency can also result in energy savings over the long term. For example, some advanced 3535 LED 980 NM SMD models are designed to provide higher light output with lower power consumption, which can lead to cost savings on electricity bills.

Conclusion

In conclusion, the power consumption of a 3535 LED 980 NM SMD is influenced by factors such as forward current, forward voltage, and duty cycle. By carefully considering these factors, users can accurately estimate the power consumption of the LED in their specific applications.

As a supplier of 3535 LED 980 NM SMD, we offer a wide range of high-quality LEDs with different specifications to meet the diverse needs of our customers. Whether you are looking for an LED with low power consumption or high light output, we can provide you with the right solution.

If you are interested in learning more about our 3535 LED 980 NM SMD products or have any questions regarding power consumption and application requirements, please feel free to contact us for a detailed discussion and procurement negotiation. We are committed to providing you with the best products and services to meet your needs.

References

  • LED Datasheets from various manufacturers
  • Technical literature on infrared LED applications and power consumption