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Part No SBL540
Manufacturer Diodes Incorporated
Catalog Diodes, Rectifiers - Single

Shipping Information

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Products specifications

Categories Discrete Semiconductor Products
Manufacturer Diodes Incorporated
Packaging Tube
Part Status Obsolete(EOL)
Diode Type Schottky
Voltage - DC Reverse (Vr) (Maximum) 40V
Current - Average Rectified (Io) 5A
Voltage - Forward (Vf) (Maximum) @ If 550mV @ 5A
Speed Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr 500μA @ 40V
Mounting Style Through Hole
Package TO-220-2
Manufacturer Package TO-220AC
Operating Temperature - Junction -65°C ~ 150°C
Win Source Part Number 1246595-SBL540
Manufacturer Homepage
Popularity Medium
Fake Threat In the Open Market 33 pct.
Supply and Demand Status Balance
Family Name SBL540
Introduction Date May 15, 2000
Halogen Free Not Compliant
Estimated EOL Date Obsolete
Alternative Parts
SBL540;   VSK64; S5S4M; 


Product Overview: SBL540 Schottky Barrier Rectifier

The SBL540 is a high-performance Schottky Barrier Rectifier designed and manufactured by Diodes Incorporated, a leading company in the semiconductor market. This rectifier is specifically engineered to offer efficient and reliable performance for a multitude of applications, including power supply, computing systems, and high-frequency inverters.

Key Features

  • High Current Capability: The SBL540 is capable of conducting up to 5A of average rectified current, making it suitable for high-current applications.
  • Low Power Loss: With its Schottky barrier design, it ensures low forward voltage drop, resulting in reduced power loss and higher efficiency in operation.
  • High Surge Capability: This device can withstand surge currents, providing robust performance under transient conditions.
  • Operating Junction Temperature: It operates effectively within a wide temperature range of -65°C to 150°C, ensuring reliability across various environmental conditions.

Electrical Characteristics

The SBL540 offers a forward voltage of 0.55V at 5A, which is a testament to its efficiency. The maximum reverse leakage current is kept low, typically at 0.5mA at 40V, which ensures minimal power wastage when in the off state. The device also features a high peak repetitive reverse voltage of 40V, making it robust against voltage spikes.

Physical Attributes

Encased in a TO-220AB package, the SBL540 is designed for easy mounting on printed circuit boards (PCBs) with its through-hole mounting style. The package is also RoHS compliant, adhering to environmental standards that restrict the use of hazardous substances in electronics.


Due to its high efficiency and reliability, the SBL540 is an excellent choice for a variety of applications, such as:

  • Switching power supplies
  • Converters
  • Free-wheeling diodes
  • Reverse battery protection
  • DC-DC converters

With its combination of performance, efficiency, and reliability, the SBL540 from Diodes Incorporated is a versatile and dependable choice for designers and engineers looking to enhance their power management systems.

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