The MBRS130LT3G is a Schottky power rectifier that uses the Schottky Barrier principle with a large-area metal-to-silicon junction for efficient performance. The diode is designed with advanced epitaxial construction, oxide passivation, and metal overlay contacts. It is great for low-voltage, high-frequency rectification, as well as freewheeling and polarity protection applications.
Anode (Pin 1) – This is the positive terminal where current enters.
Cathode (Pin 2) – This is the negative terminal where current exits.
| Parameter | Value |
| Diode Type | Schottky Barrier Rectifier |
| Voltage - DC Reverse (Vr) | 30V |
| Current - Average Rectified | 2A |
| Peak Forward Surge Current | 40A |
| Voltage - Forward (Vf) (Max) @ If | 445 mV @ 2 A |
| Reverse Current (IR) @ VRRM | 200µA (Max) |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) |
| Current - Reverse Leakage @ Vr | 1 mA @ 30 V |
| Operating Temperature | -65°C ~ 125°C |
| Package Type | SMB |
Very Low Forward Voltage Drop (0.395 Volts Max @ 1.0 A, TJ = 25°C)
Small Compact Surface Mountable Package with J−Bend Leads
Highly Stable Oxide Passivated Junction
Guard−Ring for Stress Protection
ESD Ratings:
Human Body Model = 3B (> 16000 V)
Machine Model = C (> 400 V)
SBRS8 Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable*
hese are Pb−Free Devices
Switching power supplies
DC-DC converters
Inverters
Inductive circuits
Polarity protection
Redundant power supplies
Solar panel protection
The MBRS130LT3G comes in an SMB package, which is a compact, surface-mount design perfect for space-constrained applications. It’s sturdy, thermally efficient, and ideal for high-frequency circuits. With its low profile and strong mechanical stability, this package makes installation easy while ensuring reliable performance in demanding environments.
Using the MBRS130LT3G is pretty straightforward, but you need to follow some key steps in your circuit. First, identify the anode and cathode — the cathode is marked with a stripe on the diode body. When soldering it onto a PCB, make sure the polarity is correct, as reversing it can prevent proper operation. Next place it where it can efficiently handle current flow and minimize voltage drops.
For best performance, consider thermal management. Additionally, if the diode is handling high currents, check its power dissipation limits and, if necessary, use additional cooling methods like heat sinks or thermal vias. Once installed, power up your circuit and test for proper operation.
If you're looking for MBRS130LT3G alternatives, there are several similar Schottky diodes in the same series that offer comparable performance. Some good options include MBRS120LT3G, MBRS140LT3G, MBRS1100LT3G, MBRS130T3G, MBRS160T3G, and MBRS2150T3G. These diodes vary in voltage and current ratings, so choosing the right one depends on your circuit's specific needs.
The MBRS130LT3G is a Schottky diode primarily used for low-voltage, high-frequency rectification, as well as freewheeling and polarity protection in power circuits.
Unlike standard rectifier diodes, the MBRS130LT3G has a lower forward voltage drop and faster switching speed, making it more efficient for high-frequency applications.
Yes, it is commonly used in switching power supplies and DC-DC converters due to its fast response and low losses.
