Overview
The BAT54SW-7-F is a Schottky barrier diode produced by Diodes Incorporated. It is encapsulated in a small SOT323 (SC-70) surface-mounted device (SMD) plastic package. This diode is designed for high-speed switching applications and features a low forward voltage drop, making it suitable for various electronic circuits. The BAT54SW-7-F is part of the BAT54 series, which includes several variants with similar specifications but different packaging options.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum DC Reverse Voltage (VRRM) | 30 | V |
| Maximum Continuous Forward Current (IF) | 0.2 | A |
| Maximum Forward Voltage Drop (VF) at 1 mA | 320 | mV |
| Maximum Reverse Current (IR) at 25 V | 2 | µA |
| Peak Non-Repetitive Surge Current | 0.6 | A |
| Maximum Power Dissipation | 200 | mW |
| Operating Temperature Range | -65 to 125 | °C |
| Package Type | SOT323 (SC-70) | |
| Package Dimensions | 2 x 1.25 x 0.95 mm | |
| Packing | Tape and Reel |
Key Features
- Low Forward Voltage Drop: The BAT54SW-7-F features a low forward voltage drop of 320 mV at 1 mA, which reduces power losses in the circuit.
- Fast Switching: This diode is designed for ultra-high-speed switching applications, making it ideal for use in SMPS, DC-DC converters, and other high-frequency circuits.
- Ultra-Small Surface Mount Package: The SOT323 (SC-70) package is very small, making it suitable for compact and space-efficient designs.
- PN Junction Guard Ring for Transient and ESD Protection: The diode includes a PN junction guard ring to protect against transient and electrostatic discharge (ESD) stresses.
- Totally Lead-Free & Fully RoHS Compliant: The BAT54SW-7-F is lead-free and compliant with EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2), and 2015/863/EU (RoHS 3).
- Halogen and Antimony Free: This diode is classified as a “Green” device, containing less than 900 ppm bromine, less than 900 ppm chlorine, and less than 1000 ppm antimony compounds.
Applications
- Switch-Mode Power Supplies (SMPS): The BAT54SW-7-F is suitable for use in SMPS due to its fast switching and low forward voltage drop.
- DC-DC Converters: It is often used in DC-DC converters for its high-speed switching capabilities and low power losses.
- Freewheeling Diodes: The diode can be used as a freewheeling diode in various power circuits.
- Reverse Polarity Protection: It can be used to protect against reverse polarity conditions in electronic circuits.
- Blocking Diodes: The BAT54SW-7-F can serve as a blocking diode in applications where voltage blocking is required.
Q & A
- What is the maximum DC reverse voltage of the BAT54SW-7-F?
The maximum DC reverse voltage (VRRM) is 30 V.
- What is the maximum continuous forward current of the BAT54SW-7-F?
The maximum continuous forward current (IF) is 0.2 A.
- What is the typical forward voltage drop of the BAT54SW-7-F at 1 mA?
The typical forward voltage drop (VF) at 1 mA is 320 mV.
- What is the operating temperature range of the BAT54SW-7-F?
The operating temperature range is -65 °C to 125 °C.
- What type of package does the BAT54SW-7-F come in?
The BAT54SW-7-F comes in a SOT323 (SC-70) surface-mounted device (SMD) plastic package.
- Is the BAT54SW-7-F RoHS compliant?
Yes, the BAT54SW-7-F is fully RoHS compliant and lead-free.
- What are some common applications of the BAT54SW-7-F?
Common applications include SMPS, DC-DC converters, freewheeling diodes, reverse polarity protection, and blocking diodes.
- Does the BAT54SW-7-F have any built-in protection features?
Yes, it includes a PN junction guard ring for transient and ESD protection.
- How is the BAT54SW-7-F packaged for shipping?
The BAT54SW-7-F is shipped in tape and reel packaging.
- Is the BAT54SW-7-F suitable for automotive applications?
No, the BAT54SW-7-F is not automotive qualified. However, an automotive-compliant version is available under a separate datasheet (BAT54WQ /AWQ /CWQ /SWQ).
