3GD-F Allicdata Electronics
Allicdata Part #:

3GD-F-ND

Manufacturer Part#:

3GD-F

Price: $ 0.12
Product Category:

Optoelectronics

Manufacturer: Bivar Inc.
Short Description: LED GRN DIFF 3MM ROUND T/H
More Detail: Green LED Indication - Discrete 2.1V Radial
DataSheet: 3GD-F datasheet3GD-F Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
100 +: $ 0.10886
Stock 1000Can Ship Immediately
$ 0.12
Specifications
Voltage - Forward (Vf) (Typ): 2.1V
Height (Max): 5.30mm
Size / Dimension: --
Supplier Device Package: T-1
Package / Case: Radial
Features: --
Wavelength - Peak: 568nm
Wavelength - Dominant: --
Mounting Type: Through Hole
Viewing Angle: 35°
Current - Test: 20mA
Series: --
Lens Style/Size: Round with Domed Top, 3mm (T-1), 3.00mm
Millicandela Rating: 25mcd
Lens Transparency: Diffused
Lens Color: Green
Color: Green
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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LED indications, both discrete and continuous, are one of the most popular forms of visual feedback in modern communication systems. While discussed less often than other varieties of dashboard indications, discrete LED indications have a variety of uses in industries ranging from automation to transportation. One of the most common LED indication varieties is the three green-flash diode, or 3GD-F. This device’s applications, working principles, and merits will be discussed in this article.

Discrete LED indications are most often used to convey the state of a device or system in a simple and binary way, with the presence or absence of the indication emitting varying levels of visible light. This type of indication is ideal for quickly conveying whether a device is functioning as intended, since it requires minimal human interaction or interpretation. Discrete LED indications are commonly used as indicators for power on/off, functional test results, emergency signals, or any associated status. LED indications are also much more resilient than older technologies, requiring far less power and virtually no maintenance or repair over the lifetime of the device or system.

The 3GD-F LED indication is one of the most common discrete devices used for indication applications. The 3GD-F is a three green-flash diode that is capable of emitting both a continuous green light and a intermittently flashing green light. It is composed of a single 3GD-F diode and a series of resistors that control its functionality. The continuous light serves to indicate that the device is functioning normally; when the 3GD-F flashes, it serves to indicate that the system is in an error state.

The 3GD-F is a popular choice for devices and systems due to its small size, low power requirements, and reliability. The device fits snugly in narrow spaces within an electronic device or system and requires very minimal power to keep it working. Additionally, since LEDs are composed of solid-state material rather than filaments, they require virtually no maintenance or repairs and are extremely resistant to any environmental conditions they may encounter. The 3GD-F and other varieties of discrete LED indications are often the choice over other conventional or inefficient methods of indication within the industry.

The 3GD-F has a wide range of applications in the modern world and is regularly used in a variety of situations. In aircrafts, they are used as indicators for engine and power system changes, as well as system stability changes. They are also commonly used as indicator lights in computers and other devices, alarm indicators, and signal transceivers for remote sensing applications. In the modern automotive industry, the 3GD-F is used as indicator lights for both engine and power system, fuel efficiency, and other functions.

The working principle of the 3GD-F consists of two simple steps. First, the power source is connected to the 3GD-F input side. The 3GD-F itself consists of two parts - an anode and a cathode. When powered, the current flows from the anode to the cathode, producing a resistance. When the resistance reaches a specified threshold, the LED emits a green light.

The second step involves the use of a resistor to control the flow of current. The resistor is placed between the anode and the cathode, and its resistance serves to regulate the current flow, controlling the level of light emitted from the respective terminal. When the resistor is set at a higher point, the current flowing from the anode to the cathode will be limited, producing a continuous level of light. However, when set at a lower point, the current will be allowed to travel freely, thus producing the intermittent flashing of light.

Discrete LED indications, such as the 3GD-F, are incredibly reliable devices that can be used in a variety of applications. Their small size, low power requirements, and virtually maintenance-free nature make them ideal for a wide range of indication tasks. Their presence or absence of visible light provides a binary indication context which requires minimal human intervention. And the two-step working principle, involving the current flow and a resistor, provides a relatively simple task of controlling the level of light output from the respective terminal.

The specific data is subject to PDF, and the above content is for reference

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