MBRS340T3G Schottky Diode: Specifications, Highlights, Structure and Features

Ⅰ. Overview of MBRS340T3G

Ⅱ. Geometric structure of MBRS340T3G

Ⅲ. Specifications of MBRS340T3G

Ⅳ. Highlights of MBRS340T3G

Ⅴ. MBRS340T3G typical electrical characteristics

Ⅵ. Features of MBRS340T3G

Ⅶ. How to use and install MBRS340T3G correctly?

MBRS340T3G is a Schottky diode and rectifier device that uses the Schottky barrier principle in large-area metal silicon power diodes. MBRS340T3G not only passed AEC-Q101 certification, but also has PPAP capabilities. Its epitaxial structure uses oxide passivation and metal-covered contact technology, making it ideal for use in low-voltage, high-frequency rectification. The device has a peak non-repetitive surge current of up to 80A and a maximum continuous forward current of 4A. At the same time, it has a wide operating temperature range, with the lowest operating temperature being -65°C and the highest operating temperature reaching 150°C. MBRS340T3G adopts surface mount package and has SMB package form. This feature makes it very suitable for automated production and assembly.

Alternatives and equivalents:

• B340-13-F

• MBRS340

• SS34

• SSL34HM6G

Its geometry involves pin layout, package form, and placement of internal components.

1. Pin layout: In the SMB package, MBRS340T3G usually has two metal pins, one is the cathode and the other is the anode. These pins are typically located at either end of the package and are connected to pads to facilitate connections on the circuit board. In the SOD-123FL package, the pin layout is also similar, but may have different sizes and arrangements.

2. Package form: MBRS340T3G is usually packaged in SMB or SOD-123FL. These package styles have standard sizes and pin layouts for easy soldering and mounting on the circuit board.

3. Internal components: The main components of the MBRS340T3G include a semiconductor chip, a metal cathode, and a metal anode. One of the main features of a Schottky diode is the interface between the metal and the semiconductor, which creates a Schottky barrier that allows the diode to have fast switching and low turn-on voltage. Typically, the chip is made of a semiconductor material such as silicon, while the metal part is often made of a material such as aluminum.

• Part Status: Active

• Manufacturer: onsemi

• Technology: Si

• Configuration: Single

• Package / Case: SMC-2

• Packaging: Tape & Reel (TR)

• Height: 2.13 mm

• Length: 6.86 mm

• Width: 5.84 mm

• Reverse Current: 2 mA

• Forward Current: 3 A

• Forward Voltage: 500 mV

• Forward Surge Current: 80 A

• Repetitive Reverse Voltage: 40 V

• Mounting Style: SMD/SMT

• Operating Temperature: - 65°C ~ 125°C

• Product Category: Schottky Diodes & Rectifiers

MBRS340T3G is a high performance fast recovery diode with the following highlights:

1. Low forward voltage drop: MBRS340T3G has a low forward voltage drop, which helps to reduce power loss and improve overall efficiency.

2. Reverse recovery capability: MBRS340T3G typically have faster reverse recovery capability, which means they can return from the on-state to the off-state faster, reducing power consumption and losses during reverse recovery.

3. Current and voltage ratings: The MBRS340T3G has a current rating of 3A and a reverse voltage rating of 40 V. This current and voltage rating makes it suitable for medium power applications such as power management, DC-DC conversion, etc. The MBRS340T3G is also available in a wide range of other diode types.

4. Fast recovery time: The MBRS340T3G is a fast recovery diode that has a short reverse recovery time. This makes it useful in high frequency and high efficiency circuits, especially in applications such as switching power supplies and power converters.

5. Compliance with multiple industry standards: The epoxy resin of the MBRS340T3G meets the UL 94 V-0 standard, which means that it has excellent flame retardant properties and improves the safety of circuits. In addition, it meets automotive grade AEC-Q101 standards, demonstrating its reliability and safety in automotive applications.

The characteristics of MBRS340T3G are mainly reflected in the following aspects:

• Guard-ring for stress protection

• Device passes ISO 7637 pulse #1

• Rectangular package for automated handling

• Excellent ability to withstand reverse avalanche energy transients

• SBRS8 and NRVB prefix for automotive and other applications

  Requiring unique site and control change requirements

  AEC−Q101 qualified and PPAP capable*

• Highly stable oxide passivated junction

• Small compact surface mountable package with J-bend leads

• Very low forward voltage drop (0.5 V Max @ 3.0 A, TJ = 25°C)

• These devices are Pb−free, Halogen free/BFR free and are RoHS compliant.

We can follow the steps below to do it. First, understand what MBRS340T3G is and its specifications. MBRS340T3G is an ultra-fast recovery diode commonly used in applications such as power management and switching power supplies. Please consult the datasheet for details such as maximum voltage rating, maximum current rating, package type, etc. Next, confirm the pin layout and polarity of MBRS340T3G. Typically, the pins of the MBRS340T3G are labeled anode (positive pole) and cathode (negative pole). We must ensure that polarity is correctly identified to avoid installation errors that may lead to component damage or circuit failure. Also, make sure the work area is clean and tidy and has the proper welding equipment and tools. This may include soldering irons, soldering tin, alcohol cleaners, smokers, etc. If we want to install the MBRS340T3G on a printed circuit board (PCB), make sure the PCB surface is clean and free of impurities or oxides. Please confirm that the pads on the PCB match the pins of the MBRS340T3G and are arranged correctly. We then inserted the MBRS340T3G into the pads on the PCB, making sure the pins were aligned with the pads and the polarity was correct. We can use PCB clamps or other fixing tools to fix the MBRS340T3G in the correct position. Then, we solder the pins of MBRS340T3G to the pads of the PCB using the appropriate soldering temperature and solder. Make sure the welding quality is good, the welding points are smooth and there are no welding or cold welding phenomena. After welding is completed, use alcohol cleaner or other appropriate cleaner to clean the welding area to ensure that no welding slag or impurities remain. After that, we check the soldering points to make sure the soldering is tight and there are no shorts or other issues. Before connecting other circuits, we can use a multimeter and other test instruments to conduct a simple test on the MBRS340T3G to ensure that it is working properly. Subsequently, we integrated the MBRS340T3G into the target circuit to ensure that it was connected correctly and met the requirements of the circuit design. Finally, when using and installing MBRS340T3G equipment or circuits, we must pay attention to the surrounding environmental conditions to ensure that they meet its working requirements, such as temperature, humidity, and power supply voltage.

Frequently Asked Questions

1. What is a Schottky diode used for?

Schottky diodes have high switching speeds and high-frequency capabilities, which make them well-equipped for use in radio frequency applications. 

2. What features does MBRS340T3G have that make it useful in circuits?

MBRS340T3G has low forward voltage drop and fast recovery capability. Low forward voltage drop helps reduce power losses and improves overall efficiency, while fast recovery capability means it can recover from the on-state to the off-state faster, reducing power consumption and losses during reverse recovery.

3. What are the main application scenarios of MBRS340T3G?

The MBRS340T3G is ideally suited for low voltage, high frequency rectification, or as a freewheeling and polarity protection diode, especially for surface mount applications where system size and weight are critical. At the same time, it is also suitable for high-frequency and high-efficiency circuits, such as switching power supplies and power converters.