YUANNENGJI There are many models and specifications of LED chips:
Există prea multe modele de cipuri LED, inclusiv tipul cu inserare directă, tip SMD, and high-power lamp bead type. The lamp bead current ranges from tens of milliamperes to several amperes, iar tensiunea este relativ consistentă, mostly above three volts, so there is no way to generalize.
Roughly speaking, they are divided into direct-insert type, tip SMD, and piranha type according to the package, and divided into high, medium, and low power according to the power.
High-power white LED (cum ar fi XML-T6 al CREE) are o singură putere de 10W, o tensiune de 3,3v, si un curent de 3A. Low-power red LED (cum ar fi tipul comun cu inserție directă de 5MM) are o tensiune de 2v și un curent de 15mA. If you really can’t find the component model, you can infer the working voltage based on the light color:
Red light 1.8~2.2v
Yellow light 2.0~2.4v
Green light 2.2~2.8v
Blue and white light 2.8~3.5v
SMD package is 0805, 1206 and other low-power tubes, the working voltage is 10mA, dar sunt si exceptii;
SMD package is 3014, 3528, 3535 and other low-power tubes, the working current is 20~50mA, dar sunt si exceptii;
SMD package is 5050, 5060, 5630 and other medium-power tubes, the working current is 50~150mA, dar sunt si exceptii;
LED-urile de mare putere sunt toate pachete SMD, and the parameters of different brands and company series vary greatly; but the general working current of the nominal 1W is 350mA
Low-power direct-plug LED chip are generally divided into models according to diameter, 3mm 4mm 5mm 8mm 10mm 12mm, regardless of the diameter, the working voltage and working current are the same, color classification: red light
yellow light 1.7–2.1V
white light blue light warm white light pink light purple light 2.8–3.6V
green light 2.6–3.4V
LED chips have a variety of specifications
1. 0.06W, tensiune 2,5-3,5V, curent 20mA.
2. 0.5W, tensiune 2,5-3,77V, curent 150mA.
3, 1W, tensiune 2,79-3,99V, curent 350mA.
4, 3W, tensiune 3,05-4,47V, curent 700mA.
5, 5W, tensiune 3,16-4,88V, curent 1000mA.
1W lamp bead current: 320-350mA, the driver generally chooses 300mA current, and the chip size is 30mil, 35mil, 40mil, and 45mil.
3W lamp bead current: 700mA, the driver generally chooses 600mA, and the chip size is 45mil.
1W and 3W voltages are between 3.0-3.6V, and 3.2-3.4V is better.
As for a single 5W chip, the chip is generally more than 50mil.
LED chip for general lighting are 0.5w-5w, and the operating voltage is around 3-3.2V.
What are the parameters of 1-watt white light Mărgele lămpi cu LED? We generally design them to be 3.6—4.2V, 0.2—0.3Un. There are many 15W lamp beads now, you can refer to them. De exemplu, cree mce, cree t6.
Voltage: 3.2-3.6v, current 300-350ma, luminous flux: 100-120 lumens, temperatura de culoare: white light 6000-7000K.
Methods to identify LED chips are:
1. Uită-te la luminozitate, adică, luminozitatea când curentul de conducere este de 350mA și tensiunea este între 3,0-3,6V. Cu cât mai mare, cu atât mai bine.
2. Look at the chip brand. There are many LED chip brands on the market. It is very important to choose a reliable chip company
3. Look at BIN, adică, color temperature partition and voltage BIN, the finer the better.
4. Look at attenuation. Este necesar testul de îmbătrânire. Cu cât atenuarea luminii este mai mică, cu atât mai bine.
5. Uită-te la aplicația reală, such as: este bine sa ai pe piata lentile potrivite si ieftine si substraturi din aluminiu. If the lens and aluminum substrate need to be molded, the investment will be large. 1W putere mare, actual: 350ma, Voltaj: 2.8-4.0luminozitate V: 80-130Temperatura de culoare LM: 3000-12000K.