CMR1U-04 BK

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.25V @ 1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	5µA @ 400V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	SMB
Operating Temperature - Junction:	-65°C ~ 175°C

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CMR1U-04 BK Application Field and Working Principle The CMR1U-04 BK rectifier is a commonly used single diode that can be used in various electronic circuits. It is especially popular for applications such as overvoltage protection, high-voltage rectification and switching mode power supplies. In this article, we will explain the CMR1U-04 BK application field and its working principle. Additionally, we’ll provide some tips on how to select the right rectifier for your application. Application Field CMR1U-04 BK rectifiers are used in applications where a single diode needs to be reversed or the forward voltage needs to be limited. These rectifiers are usually used in circuits that require reverse bias protection and high-voltage rectification. For example, they can be used in circuits for overvoltage protection and switching-mode power supplies. Additionally, CMR1U-04 BK rectifiers are widely used in automotive applications such as on-board charging systems and alternators. Working Principle CMR1U-04 BK rectifiers work similarly to other single diode rectifiers. They act as a one-way valve, allowing only current to flow in one direction. When the rectifier is forward biased, electrons can cross the junction, allowing current to flow through the positive side of the diode. When the rectifier is reverse biased, electrons cannot cross the junction, and current cannot flow through the positive side. With most single diode rectifiers, the forward voltage drop is usually around 0.7 V. This is much lower than what you would expect with a regular diode. The low forward voltage drop makes CMR1U-04 BK rectifiers ideal for applications requiring low voltage drops.Selection Tips When selecting a CMR1U-04 BK rectifier for your application, it is important to consider the type of circuit you are working with and the power requirements. Additionally, you should check the rectifier’s datasheet to make sure the rectifier can handle the current and voltage requirements of your application. It is also important to consider the size and layout of the rectifier. CMR1U-04 BK rectifiers are usually available in small packages and can fit in tight spaces. Additionally, they are usually offered with a choice of lead or foot pins, which allows for flexible mounting options. Conclusion CMR1U-04 BK rectifiers are perfect for applications that require low voltage drops, reverse bias protection, and high-voltage rectification. These rectifiers can be used in a wide range of applications, including overvoltage protection, switching-mode power supplies, and automotive systems. When selecting a CMR1U-04 BK rectifier, it is important to consider the circuit, the power requirements, and the size and layout of the rectifier.

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