SS14 Schottky Power Diode Function, Applications, Working Principle and Features
19 February 2024
Ⅲ. Common brands of SS14 diode
Ⅳ. Typical performance characteristics of SS14 diode
Ⅵ. What are the applications of SS14 diode?
Ⅶ. How does the SS14 diode work?
Ⅷ. What are the features of SS14 Schottky diode?
Ⅸ. How to judge the SS14 diode good or bad?
The SS14 is a high-performance Schottky diode suitable for applications in packaging machinery, robots, and automated equipment, among other fields. It boasts exceptional precision and sensitivity, making it capable of adapting to harsh working environments. With a high protection rating and flexible output options, it can be configured with NPN or PNP outputs based on specific scenarios. Furthermore, its rapid response time enables efficient control of high-speed automated production lines. In this article, we will introduce its related information in detail.
Schottky diode is named after its inventor, Dr. Schottky, and SBD is the abbreviation of Schottky Barrier Diode. Unlike traditional PN junction diodes, SBD does not use the contact between P-type semiconductor and N-type semiconductor to form a PN junction, but is made based on the principle of metal-semiconductor junction formed by contact between metal and semiconductor. Therefore, SBD is also known as metal-semiconductor diode or surface barrier diode, and it belongs to the category of hot carrier diodes.
SS14 chip diode is a bidirectional conductive component used in rectification and protection circuits. It allows current to flow in one direction and prevents current from flowing in the opposite direction. This feature drives the effectiveness of SS14 chip diodes in power supply, battery charging and inverter applications. Its forward conduction voltage is generally about 1V, its reverse leakage current is small, and it can play a rectifying role in the circuit. SS14 is manufactured using surface mount technology, with compact structure and small size, making it suitable for various electronic devices. Its overall dimensions are 2.6mm×1.3mm×0.85mm, and the patch frame can be adjusted within a wide range and can be perfectly combined with other components. In addition, SS14 diodes also have very perfect contact and use an aluminum layer to completely encapsulate the polarity, which not only has strong voltage resistance, but also effectively prevents short circuits.
Alternatives and equivalents:
• 1N5819
• FMKA140
• SS15
SS14 is a standard fast recovery diode model produced by several electronic component manufacturers. Here are some brands that may offer SS14 chip diodes:
1. ON Semiconductor
ON Semiconductor is a leading global semiconductor company that provides SS14 model chip diodes.
2. Taiwan Semiconductor (TSC)
TSC is a Taiwan-based semiconductor company that may also produce SS14 model chip diodes.
3. Vishay
Vishay is a well-known semiconductor manufacturer that offers a wide range of diodes and other electronic components, including SS14 models.
4. Diodes Incorporated
Diodes Incorporated is a company specializing in the production of discrete semiconductor devices such as diodes and transistors, and may also produce SS14 model chip diodes.
Please note that there are multiple manufacturers on the market producing SS14 model chip diodes, and the specific choice can be considered based on project requirements, reliability needs, and supply chain. When selecting components, it is recommended to consult the manufacturer's specifications to ensure they meet the requirements of the specific application.
The SS14 is an ultra-fast recovery rectifier diode suitable for high-speed circuits and power management systems. Its main function is to limit the current in the direction of one-way flow, and it has a fast reverse recovery time and can work normally at high frequencies. Specifically, SS14 chip diodes have the following functions:
1. Current limiting: SS14 can control the current in the circuit to avoid damage to circuit components due to excessive current.
2. Rectification: SS14 can convert AC signals into DC signals to meet the circuit's demand for DC signals.
3. Protection circuit: Due to its one-way conductivity, SS14 can prevent the inflow of reverse current, thereby protecting other components in the circuit from damage.
• Switching power supply: In switching power supplies, SS14 can be used as a diode in rectifiers, output filters or bootstrap circuits. Its lower forward voltage drop and fast switching speed help improve the efficiency of switching power supplies.
• DC-DC converters: SS14 diodes are commonly used in DC-DC converter circuits, especially in converter circuits and flyback circuits, for efficient energy conversion.
• Voltage multipliers: In voltage multiplier circuits, SS14 diodes are able to utilize their non-linear conductive properties to produce a higher output voltage in addition to the input voltage. These circuits are typically used in scenarios where higher voltages are needed but current requirements are relatively small, such as in some high voltage sensors, electrostatic generators, or specific electronic test equipment.
• Current limiter: In some circuits, the SS14 can be used as a current limiter. This function is made possible by the unique voltage-current characteristics of the SS14 diode. When the current in a circuit exceeds a preset threshold, the SS14 diode utilizes its internal resistive properties to increase the total resistance of the circuit, thereby reducing the amount of current.
The SS14 diode works based on its unidirectional conductivity. When the forward voltage (anode voltage) of the SS14 exceeds its forward cutoff voltage (typically 0.7V), the PN junction diode is in forward bias and current can pass through. In the forward conduction state, the impedance of SS14 is relatively low and almost negligible. When the reverse voltage (cathode voltage) of SS14 is lower than its peak reverse voltage, the PN junction diode is in the reverse bias state. In this case, only a very small amount of reverse leakage current passes through the diode because the structure of the PN junction makes it difficult for current to flow in the reverse direction. In addition, the SS14 diode has a fast reverse recovery time, which allows it to operate properly at high frequencies for circuit applications requiring high-speed switching. In terms of protecting circuits, the SS14 prevents the inflow of reverse current, thereby protecting other components in the circuit from damage. It also has the function of controlling the amount of current, which can act as a current limiter in the circuit.
First, SS14 chip Schottky diodes have low forward voltage drop. This means that when conducting forward, it requires only a small voltage to conduct. This is important for power supply equipment because it can reduce the loss of the power supply and improve the efficiency of the power supply, thereby reducing the heat and noise of the power supply.
Secondly, SS14 has low leakage current. It can reduce energy waste and improve power efficiency, thereby extending battery life. In energy-saving and environmentally friendly equipment such as solar cells, the low leakage current of SS14 can also greatly improve energy utilization.
Additionally, SS14 switches very quickly, making it an ideal switching component. In intelligent control equipment, the fast switch of SS14 can help the control system respond quickly and improve the control accuracy of the system. In high-frequency communication and radio equipment, it can achieve high-speed switching, thereby improving the response speed and transmission efficiency of the equipment.
Finally, the small size and lightweight of SS14 also make it an indispensable part of modern electronic equipment. With the development trend of electronic products, the small size and lightweight of SS14 can make electronic devices more compact and lightweight, thereby improving the portability and portability of the device.
To determine the positive and negative terminals of a diode, the white wire end is usually labeled as the negative terminal. We adjust the multimeter to the on-off position and observe the reading of the multimeter. If it shows "1", it means the diode may be damaged; if there is a reading, and there is still a reading when we change the positions of the two pens, it also means that the diode may be damaged; and if the diode emits a weak light, it means it It is good.
Frequently Asked Questions
1. What is a Schottky diode used for?
Schottky diodes are used as switches in fast-clamp diode applications. In this application, the base junction is forward biased. With Schottky diodes, the turn-off time is significantly reduced and the speed of the circuit is increased.
2. What is SS14 diode?
SS14 Schottky diode in DO-214AC (SMA) is the surface-mount version of 1N5819. With its low profile package, it is ideal for automated placement. SS14 features over-voltage protection with low power losses and high efficiency. SS14 is also know for its low forward voltage drop and high surge capability.
3. What is SS14 equivalent to?
The SS14 Diode is a SMD version of 1N5819 Diode. It is a SMD High Power Schottky Rectifier diode. It has voltage drop of only 0.5 V and a high forward current of 1A. And it has High surge current capability of 30A.
4. What is the forward voltage drop of SS14?
It also has low forward drop voltage, the voltage drop across the SS14 diode is 0.5V. SS14 diode has a guard ring structure across the metal-semiconductor junction for stress protection. The maximum reverse voltage is 40V. It can also handle a maximum surge of 30A.
