VISHAY SB540-E3/54 Schottky Rectifier, 40V 5A, DO-201AD
VISHAY SB540 Schottky rectifier, 40V 5A, fast-switching for power management & industrial use. Low 480mV forward voltage, through-hole mount.
The VISHAY SB540-E3/54 Schottky Barrier Rectifier is a high-performance, single-diode component engineered for efficient power management and industrial applications. It delivers reliable operation through a combination of advanced features and robust construction. The device is housed in a DO-201AD case moulded from UL94V-0 flame-rated compound, ensuring safety and durability, while the leads are finished with a matte tin plating for excellent solderability and corrosion resistance. A distinct colour band clearly denotes the cathode end for correct polarity identification during installation.
This rectifier is distinguished by its extremely fast switching capabilities, which make it perfectly suited for high-frequency operation. It is designed to handle significant current surges, featuring a high forward surge capability to withstand demanding operational conditions. A built-in guard ring provides essential overvoltage protection, enhancing the component's longevity and reliability in variable electrical environments.
Key Performance Specifications
- Low Forward Voltage Drop: Maximises efficiency by minimising power loss.
- High Surge Current Handling: Capable of managing transient overloads.
- Wide Temperature Range: Operates reliably in demanding environments.
With its through-hole mounting design, it offers a secure and permanent connection for printed circuit boards (PCBs), making it a fundamental choice for power supply designs, converters, and other critical electronic circuits where efficiency and speed are paramount.
- Power Management Circuits
- Industrial Applications
- High-Frequency Power Supplies
- DC-DC Converters
- Diode Configuration: Single
- Repetitive Peak Reverse Voltage: 40V
- Average Forward Current: 5A
- Forward Voltage Max: 480mV
- Maximum RMS Voltage: 28V
- Maximum DC Blocking Voltage: 40V
- Forward Surge Current: 220A
- Case Style: DO-201AD
- Number of Pins: 2
- Diode Mounting: Through Hole
- Lead Plating: Matte Tin
- Case Material: UL94V-0 Flame Rated Moulding Compound
- Special Feature: Guard Ring for Overvoltage Protection
- Special Feature: Extremely Fast Switching
- Special Feature: High Forward Surge Capability
- Polarity Identification: Colour Band Denotes Cathode
- Operating Temperature Max: 150°C
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Weight: 1.16 grams
- Diode Case Style: DO-201AD
- of Pins: 2Pins
- SVHC: Lead (04-Feb-2026)
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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