Overview
The SB1245 is a Schottky Barrier Rectifier produced by onsemi, formerly known as Fairchild Semiconductor. This device is designed to offer high performance in low voltage, high frequency applications. It is characterized by its ultra-low forward voltage drop (VF), making it highly efficient in various power management and protection circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Rating (V_RRM) | 45 V |
| Current Rating (I_O) | 12 A |
| Forward Voltage Drop (V_F) | 0.55 V (typical at I_F = 12 A) |
| Reverse Current (I_R) | 2.5 mA (maximum at V_R = 45 V, T_J = 125°C) |
| Operating Junction Temperature (T_J) | -55°C to 150°C |
| Package Type | DO-201AD (2-pin) |
Key Features
- Ultra-low forward voltage drop (VF) for high efficiency.
- High current rating of 12 A.
- Low reverse leakage current.
- High frequency operation capability.
- DO-201AD package for easy mounting and reliability.
Applications
- Low voltage, high frequency inverters.
- Free-wheeling diodes in switching power supplies.
- Polarity protection circuits.
- General-purpose rectification in power supplies and DC-DC converters.
Q & A
- What is the voltage rating of the SB1245? The voltage rating of the SB1245 is 45 V.
- What is the current rating of the SB1245? The current rating of the SB1245 is 12 A.
- What is the typical forward voltage drop of the SB1245? The typical forward voltage drop of the SB1245 is 0.55 V at I_F = 12 A.
- What are the common applications of the SB1245? The SB1245 is commonly used in low voltage, high frequency inverters, free-wheeling diodes, polarity protection circuits, and general-purpose rectification.
- What is the operating junction temperature range of the SB1245? The operating junction temperature range of the SB1245 is -55°C to 150°C.
- What package type does the SB1245 come in? The SB1245 comes in a DO-201AD (2-pin) package.
- Why is the SB1245 preferred in high frequency applications? The SB1245 is preferred in high frequency applications due to its ultra-low forward voltage drop and high efficiency.
- What is the reverse current of the SB1245 at 45 V and 125°C? The reverse current of the SB1245 is 2.5 mA (maximum) at V_R = 45 V and T_J = 125°C.
- Is the SB1245 suitable for polarity protection? Yes, the SB1245 is suitable for polarity protection circuits due to its low forward voltage drop and high current rating.
- Where can I find detailed specifications of the SB1245? Detailed specifications of the SB1245 can be found on the official onsemi website, as well as on distributor websites like Mouser Electronics and RS Components.
