All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(238 products available)
The type of diode is determined by the functionality, application, and construction. The following includes the most popular kinds of diodes, along with their features and applications.
This kind of diode is the most popular and most commonly used type of diode. They are primarily utilized for rectifying alternating current (AC) and converting it to direct current (DC). The conversion of AC to DC is known as rectification. Due to their simple structure and versatility, Standard PN junction diodes are applied in power supply circuits, signal demodulation, and voltage regulation.
This type of diode is designed to operate in the reverse breakdown region to provide a stable output voltage. Zener diodes are mainly used in voltage regulation systems, clipping circuits, and overvoltage protection.
Schottky diodes are known to have a lower forward voltage drop and faster switching speeds than standard PN junction diodes. The design of Schottky diodes uses a metal-semiconductor junction rather than a PN junction. Due to this, they are called Schottky diodes.
Schottky diodes are widely used in high-frequency applications, such as switching power supplies, RF (Radio Frequency) circuits, and fast rectification in power electronics. Their lower forward voltage drop results in higher energy efficiency, especially in battery-powered devices.
These are a type of high-voltage, fast-recovery diode known to provide improved performance in power electronic circuits. They are designed to minimize reverse recovery time and, hence, are well-suited for high-frequency applications. Agape diodes are commonly used in switching power supplies, motor drives, and other high-efficiency electronic circuits.
This is a special type of diode that converts electrical energy into light. When electrons fall from a high-energy state to a low-energy state within the recombination of electron-hole pairs, photons are emitted. This process is called electroluminescence. LEDs are commonly used for display and lighting purposes due to their energy efficiency and long lifespan.
Bridge rectifier diodes work in conjunction to convert AC into DC. A bridge rectifier is constructed using four diodes arranged in a configuration that allows both the positive and negative halves of the AC waveform to be rectified. This results in an output that is always positive (or negative, depending on the circuit), providing a pulsating DC voltage.
Robust Construction Materials
The durable nature of the diodes is attributed to their high-quality, robust construction materials. The semiconductor materials used to form the junctions in the diode are silicon-based. Silicon is renowned for its electrical and thermal stability. The glass and metal casing protects the internal semiconductor elements from environmental contaminants, such as dust, moisture, and physical impact. This casing also contributes to the structural integrity of the diode, preventing damage in extreme conditions.
High Thermal Resistance
Due to the ability of the diodes to withstand high temperatures, they can operate in environments where most common electrical components would fail from overheating. This makes it suitable for industrial settings that have extreme heat or in applications that have high energy flows. This thermal resistance means they do not degrade from the heat generated during operation, thus extending their lifespan.
Variety of Applications
The durability of the diodes makes them versatile for many applications. These applications can include power supplies, automotive systems, and industrial machinery. They are designed to handle varying voltage and current loads within these systems without degrading or failing. Therefore, this versatility inherently adds to their durability because they can handle many operating conditions without equipment stress.
Reverse Voltage Protection
This specific diode is built to withstand high reverse voltages without breaking. This protects it from electrostatic discharges and transient voltages. As such, it is ideal for use in a situation where the circuitry will be exposed to unpredictable electrical conditions. Its durability guarantees that it will continue to function reliably even in these extreme situations.
Robust Packaging
The packaging of these diodes is designed to offer physical protection from environmental elements, such as moisture, dust, and mechanical stress. Many diodes also come in sealed packages like hermetic enclosures or epoxy-coated devices for additional protection. This kind of packaging is thermal-efficient and protects the diode from contaminants that may cause failure in over a long period of time.
Application Requirements
To know what is best required when looking for diodes SMBJ24CA, the intended application should be considered first. These diodes are categorized as 40V to 70V, making them suitable for various applications, such as telecommunications, automotive, and power supplies. Diode features like rectification, voltage regulation, and signal clipping should then be considered.
Electrical Ratings
Important factors to consider are the peak reverse voltage (VR) and forward current (IF) ratings, as these will ensure reliable operation. The RAM of diodes should exceed the maximum voltage and current levels in their intended circuitry environment. This provides safe headroom and prevents potential damage. The SMBJ24CA series is designed for very high current flows and great voltage swings so you can use it in complex circuits.
TVS Characteristics
A transient voltage suppression (TVS) diode is a preferred choice when it is necessary to protect circuits from voltage spikes and transients. The selection of a TVS diode depends on the breakdown voltage, clamping voltage, and peak power rating. In the case of the diodes, the selection should focus on the peak power and suppression voltage ratings. The diodes are capable of absorbing large energy transients, protecting the diode and the circuits from great dangers.
Form Factor and Packaging
The form factor can be an important consideration—especially in situations where space is a constraint. The SMBJ24CA diodes are offered in different packages for various applications. One such package is the SMB/DO-214AA package. This sturdy construction supports good thermal dissipation. So, the choice should depend on the space constraints and mechanical compatibility of the designs.
Availability and Quality
Diodes that are consistently manufactured will guarantee uniform quality and performance characteristics over many instances. Several vendors bear the responsibility of manufacturing them. However, ensure that they are of quality materials, and the manufacturer has a well-formed reputation within the industry. Purchasing these diodes from well-reputed suppliers will help ensure that the product is genuine and that there is quality assurance. This may also help in getting the required parts in bulk or in getting a supply continuity.
Circuit Protection
These diodes are primarily used for protecting circuits from transient voltage spikes and other electrical interferences. They are widely applied in sensitive electronic devices within a circuit environment where there are inductive loads, such as motors and generators. The diodes clamp the voltage to a safe level by absorbing the excess energy and preventing the damage of semiconductors and other components. This means that they are widely used for protecting integrated circuits (ICs), microcontrollers, and other sensitive components in power supply systems, automotive, and telecommunication equipment.
Automotive Electronics
This diode's transient Voltage Suppressor (TVS) capabilities make it suitable for automotive applications. They protect electronic systems, such as ECUs, from voltage spikes caused by inductive load switching or alternator discharge. This ensures that key components, such as sensors, infotainment systems, and power control units, continue functioning reliably under fluctuating voltage conditions.
Power Supply Systems
The diodes are important in switch-mode power supplies (SMPS) and other power supply circuits to ensure reliable voltage regulation and protection. They help keep the right direction of current flow, improve energy efficiency, and prevent voltage transients from harming the system. They also help protect against reverse voltage situations, which can be detrimental in high-energy power supply environments.
Telecommunications Equipment
Telecommunication devices are notoriously exposed to electrical transients. The diodes are therefore commonly employed in such scenarios. They safeguard against electrostatic discharges and surges in these equipment. This gives them the ability to maintain signal integrity and prevent damage to the sensitive circuitry used in telecommunications infrastructure, such as modems, routers, and communication satellites.
Consumer Electronics
The diodes are often applied in many consumer electronics, such as TVs, computers, and gaming systems. They act as surge protectors in power strips and UPS (uninterrupted power supply) systems. In this, they help ensure reliable operation even under fluctuating voltage conditions. Their presence improves the dependability and longevity of electronic devices, especially those that function either directly or indirectly, with AC mains power.
These diodes are used to clamp and control voltage levels so they can protect circuits from voltage transients and electrical surges.
The diodes can protect circuit components from overheating as a result of voltage transients. They are durable and, therefore, suitable for industrial spaces with AC and DC currents.
This series of diodes has a rated voltage of 24V. This means that they can withstand voltage transients up to 24V before starting to conduct in reverse.
The packaging of the diodes is made of silicon, while the outer part can be either glass or silicon metal. The silicon provides the required temperature for the diodes to function. Therefore, the materials used for making the diodes are effective for environmental protection and help maintain thermal efficiency.
The durability can be further improved with hermetic sealing packaging. Other forms of protection, such as epoxy or silicone encapsulation, can also improve their durability against contaminants.
