CDSER400B

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	80V
Current - Average Rectified (Io):	100mA
Voltage - Forward (Vf) (Max) @ If:	1V @ 100mA
Speed:	Small Signal =
Reverse Recovery Time (trr):	4ns
Current - Reverse Leakage @ Vr:	100nA @ 80V
Capacitance @ Vr, F:	3pF @ 0.5V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	0503 (1308 Metric)
Supplier Device Package:	0503/SOD-723F
Operating Temperature - Junction:	125°C (Max)

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IntroductionThe CDSER400B is a single-phase fast recovery diode, belonging to the family of rectifier diodes. It is used in a variety of electronic applications, as it is particularly well suited for rectifying alternating current at high voltages. This diode has a relatively low forward voltage drop and high surge ratings, making it appropriate for a number of applications.In this article, we will take a look at the CDSER400B, examining its application field and working principle in depth.Application FieldThe CDSER400B is a single-phase device, meaning that it rectifies only one frequency at a time. As a result, it is suitable for a wide range of applications, such as:• DC to AC conversion• AC motor speed control• Voltage surge protection• Inverter and AC/DC converter• Electronic ballast• Switching mode power supplies• Uninterruptible power supplies• Power factor correction• DC motor current rectificationDue to its wide range of applications, the CDSER400B is an extremely useful component in the construction of a variety of electronic circuits.Working PrincipleThe CDSER400B is a single-phase thyristor-type diode, meaning that it works by controlling the flow of electric current. It is composed of a P-type semiconductor material with a metal oxide semiconductor (MOS) gate. When there is no current flowing, the MOS gate acts as an insulating barrier, preventing current flow. The P-type semiconductor material is then used to control the current flow, allowing it to be directed either into or out of the device.When a voltage is applied across the CDSER400B, electrons from the N-type material form a conducting channel, allowing current to flow through the diode. If a negative voltage is applied, the current is then blocked, effectively making the diode a rectifier.ConclusionThe CDSER400B is a single-phase fast recovery diode, well-suited for rectifying alternating current at high voltages. It is used in a variety of applications, such as DC to AC conversion, AC motor speed control, voltage surge protection, and more. The CDSER400B is a thyristor-type diode, composed of a P-type semiconductor material with a MOS gate. When a voltage is applied, electrons from the N-Type material form a conducting channel, allowing current to flow through the diode. If a negative voltage is applied, the current is then blocked, effectively making the diode a rectifier.

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