For flashlights, LEDs are suitable for various capacities. The luminous efficiency of the device should not exceed 80 lm. Also, attention should be paid to the driver. Typically, it is installed with an output capacitor. Some models have an amplifier. On average, their current consumption is 3 A.
If we consider sensitive modifications, then they have installed a system of protection against voltage surges. In order to understand the issue in more detail, it is necessary to consider specific models.
Capacitor Capacitor Circuits
Capacitor capacitor LED flashlight circuits include wave filters. In this case, the triggers are used on a semiconductor basis. As a rule, their output voltage parameter does not exceed 20 V. Converters are used to reduce sensitivity. Drivers for models are installed with different bandwidths. If we consider the 30 V LED, then it has a transceiver.
Using damping capacitors
The damping capacitor LED circuitry includes contact filters. In total, the models have two converters. The driver is connected to the LED through the winding. Some versions have a compact transceiver. Most often it is used with an amplifier.
Characteristics of LEDs marked 530
These are universal and powerful LEDs for flashlights. The characteristics of the devices indicate a high coefficient of conductivity. LEDs are produced for 20 and 25 V. If we consider the first option, then the luminous efficiency of the device on average is 60 lm. The color rendering coefficient in this case depends on the conductivity of the transceiver. On many models, the amplifier is used without a converter.
The current consumption indicator for LEDs does not exceed 2.5 A. The turn-on time for this type of model is about 6 ms. If we consider LEDs at 25 V, then they only use a pulsed transceiver. Many models have one amplifier. The driver is connected using a converter. The luminous flux parameter lies in the region of 65 lm. The turn-on time of this type of LEDs is 7 ms.
LED 640 (LEDs for flashlights): specifications, photo
The LED circuit of this series includes a phase-type converter. Filters are used to increase sensitivity. Amplifiers are most often used on a magnetic basis. The luminous efficiency parameter in the devices is 65 lm. It is also important to note that the current consumption does not exceed 4.2 A. Frequency deviations are on average 4 Hz.
The service life of LEDs of this type is three years. The disadvantages of the devices include the low current conductivity of the drivers. The brightness indicator is extremely low. Luminous efficiency, as a rule, does not exceed 5%. These LEDs for 6 volt flashlights work well.
Using LEDs 765
For a 12 V device, the indicated LEDs for flashlights are used. The 2014 specifications indicate an increased level of current consumption. The luminous flux of this modification is 45 lm. It is also important to note that the model is suitable for pulse amplifiers. The driver in the device is used at 6.5 microns. Phase interference to these LEDs is not terrible.
Light efficiency averages 70 lm. The service life of the device does not exceed four years. Color rendering ratio is 80%. For flashlights with regulators, the model fits perfectly. In this case, devices are connected through a contact adapter.
LED circuit 840
These are compact and versatile LEDs for flashlights. The characteristics of the model primarily indicates a high dispersion rate. Her pulsation coefficient reaches a maximum of 80%. The turn-on time of the device is 5 ms. If you believe the experts, then for 12-volt flashlights, the model works great. The amplifier in the device is an absorbing type.
In total, the model has two drivers. The trigger on the LED is used with an adapter. To solve problems with heat loss, a capacitor is standardly used. The luminous efficiency of the presented model is 67 lm. The conductivity does not exceed 10 microns. In this case, the current consumption is 0.3. The minimum allowable temperature of the LED is only -10 degrees. The model has no overheat protection system.
Characteristics of LED 827
Models with a voltage of 12 V fit the indicated LEDs for flashlights. The characteristics of the device indicate the presence of high-quality wired transceivers. The amplifiers of the model are open type. In total, the device uses two capacitors. With the minimization of heat loss, they cope perfectly. The minimum allowable temperature of the LED is -15 degrees.
For 15 V flashlights, they are not suitable. The protection system in the device is used with filters. The driver for the model is provided for 4.5 microns. The current consumption is not more than 4 A. The LED turn-on time is on average 6 ms. The ripple coefficient of the model is 85%. Luminous efficiency, as a rule, does not exceed 50 lm.
LED 830
For 10 V devices, these LEDs for flashlights are great. Their characteristics are pretty good. The turn-on time is 5 ms, the luminous efficiency is 65 lm, and the current consumption is 3.3 A. The converter in the model uses a phase type. According to experts, the model is not suitable for 15 V flashlights.
There is no transceiver in the indicated LED. The driver itself is installed with a conductivity of 4.5 microns. Problems with rectification of current are solved thanks to capacitors. The ripple coefficient of the model reaches a maximum of 90%. The service life of the presented device is three years. The minimum allowable temperature of the LED does not exceed -20 degrees.
Characteristics of LED series LB
For 15 V flashlights, the indicated LED is suitable. The characteristics of the model indicate an increased color rendering coefficient. The output voltage of the model is 15 V. The filter in the device uses a wave type. The driver in this case is connected through the conductor. The transceiver at the LED is used with an adapter. The capacitor is open type. In total, the model has two triggers. In this case, the energy consumption is 2.5 A.
The luminous flux of the device reaches a maximum of 65 lm. The ripple coefficient of the model is negligible. Also, a small level of the minimum allowable temperature can be attributed to the disadvantages. Chinese LED flashlight turns on in 4 ms. Problems with current rectification in the model are rare. For 10 V flashlights, this model is not suitable. There is no overheating protection system for the LED. The frequency deviation of the model is 5 Hz. These LEDs for Cree flashlights work great.
LED Daytime Running Light
The indicated LEDs for flashlights are manufactured with high-quality pulse-type amplifiers. In total, the model has two capacitors. The transceiver is standardly used wired type. It is also important to note that the maximum frequency deviation is 4 Hz. The current consumption of the LED does not exceed 3 A. The luminous flux of the device is 70 lm. The light output of the model is negligible.
If you believe the experts, then for 12-volt flashlights, the model works great. Directly connecting the driver through an adapter. On average, the turn-on time is 6 ms. The service life of the presented model is 5 years. The minimum allowable temperature of the LED is -15 degrees.
LEDs of the TB series (warm white light)
These are simple and not expensive LEDs for flashlights. The characteristic of the device suggests that the color rendering coefficient of the model is low. It is also important to note that the output voltage is 8 V. The life of the LED is three years. The transceiver of the modification uses high sensitivity. In total, the model has two capacitors. According to experts, the device is not suitable for 10 V flashlights. The current consumption indicator of the model is 2 A. The maximum luminous flux of the LED reaches 65 lm.
Problems with negative modulation are rare. The disadvantages include only a small conductivity parameter. Filters in the device are used only open type. The maximum frequency deviation of the LED reaches 5 Hz. To reduce the sensitivity, a trigger is applied on the capacitor. The ripple coefficient of the model is negligible. A wired adapter is required to install the LED.
Features of LED models of the LHB series (cold-white light)
The indicated LEDs have good characteristics. First of all, it is important to note that the color rendering coefficient is 80%. In this case, the service life is three years. The direct output voltage is 12 V. The turn-on time is 5 ms. In this case, the amplifier is used with an adapter. If you believe the experts, then problems with heat loss are rare. The capacitors of the model are fixed with a feed-through type.