L-7104SB-4GD LED Circuit Board Indicators

1. Decoding the Part Number

“L - 7104SB - 4GD” is likely a product code. The “L” might indicate that it's related to lighting or LEDs. The “7104SB” could be a model number that helps to identify the specific design or configuration of the circuit. The “4GD” might imply that there are 4 components related to a particular feature (perhaps 4 LEDs of a certain type, where “G” could stand for a specific color like green and “D” for diode) or it could be a version number related to a design with 4 specific functions or characteristics.

2. LED Circuit Basics

An LED circuit is designed to power and control LEDs. It typically consists of the following components:

Power Source: This provides the electrical energy to the circuit. It could be a battery (such as a AA, AAA, or a lithium - ion battery) or a power supply that converts AC (alternating current) from a wall outlet to the appropriate DC (direct current) voltage required by the LEDs. For example, most common LEDs require a forward voltage between 1.8V and 3.3V to operate.

Resistors: Resistors are used to limit the current flowing through the LEDs. Ohm's Law (V = IR, where V is voltage, I is current, and R is resistance) is applied to calculate the appropriate resistance value. If the voltage source is higher than the forward voltage of the LED, a resistor is necessary to prevent the LED from burning out due to excessive current. For instance, if the power supply is 5V and the LED has a forward voltage of 2V and a recommended current of 20mA (0.02A), the resistance value can be calculated as R=(V - Vf)/I=(5 - 2)/0.02 = 150 ohms.

LEDs: The L - 7104SB - 4GD circuit likely contains 4 LEDs. LEDs are semiconductor devices that emit light when a current passes through them. They come in various colors such as red, green, blue, and white, and different brightness levels. The color of the light emitted depends on the materials used in the semiconductor. For example, red LEDs are often made of materials that emit light in the red - wavelength range of the electromagnetic spectrum.

3. Possible Applications

This type of LED circuit could be used in a wide range of applications:

Indicator Lights: In electronic devices such as computers, routers, or home appliances, it can be used to indicate power on/off, status (e.g., data transfer, charging), or error conditions.

Lighting Displays: For decorative lighting, such as in signs, holiday lights, or light art installations. The 4 LEDs in the L - 7104SB - 4GD circuit could be arranged in a pattern to create an interesting visual effect.

Automotive Lighting: In cars, it might be used for interior lighting (e.g., dashboard illumination) or for exterior indicator lights (such as side - marker lights).

Q1: Who are you?

A1: We are a large-scale supplier specializing in famous semiconductor integrated circuits (ICS) from all over the world

what product you can provide?

we have stock over 15 millions stock on AD,XILINX,ST,ALTERA,TI and all series ICs and Capacitor ,Resistor ,inductor and moudles. welcome to Bom List enquiry.

How do I pay for the order?

We accept wire transfer,western union,Pay Pal,Escrow (if you prefer other methods,please contact us)

Laneya
Telephone:+86-13420902155
E-mail:sales@wisdtech.com.cn
Wechat:laneyatao66
WhatsApp:+8613420902155
Skype:sales@wisdtech.com.cn