S3KB Discrete Semiconductor Products

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	800V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	1.15V @ 3A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Reverse Recovery Time (trr):	1.5µs
Current - Reverse Leakage @ Vr:	10µA @ 800V
Capacitance @ Vr, F:	18pF @ 0V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	DO-214AA, SMB
Supplier Device Package:	DO-214AA (SMB)
Operating Temperature - Junction:	-55°C ~ 150°C

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A single phase rectifier circuit is utilized to convert the AC input into a DC current. The S3KB diode is a single phase rectifier widely used in many applications. This article will discuss S3KB diode, its application field and working principle.The S3KB diode is a silicon switching diode device with a maximum blocking voltage of 800 V, a peak current of 5 A and a forward current of 3 A. This diode is widely used as a single phase rectifier circuit because of its strong reverse-blocking ability, fast switching speed and low forward voltage drop. Its package is DO-214AC and its purpose is to provide a low-cost, effective rectification solution. The S3KB diode can be used in many different applications due to its high input blocking voltage and current rating. For instance, it is commonly employed for AC/DC inverter circuits, uninterruptible power supplies, battery chargers and many other power systems. In automotive applications, such as powertrain systems, it is used as a rectifier to convert AC input into DC, to ensure smooth control of engine performance. The device is also suitable for DC-to-DC converter and low-frequency switching, while proving an effective solution for household appliances such as induction cookers, air-conditioners and TVs. The working principle of the S3KB diode is simple but effective. The S3KB diode is designed in such a way that during the negative half-cycle of the AC input, the device blocks the passage of current and is said to be forward-blocking. During the positive half-cycle, on the other hand, the diode quickly switches to an OFF-state and allows current to flow, thus converting the AC into DC. The S3KB diode has a low forward voltage drop, helping to keep energy loss to a minimum. In conclusion, the S3KB diode is a single phase rectifier device which is widely used in various applications. Its high inputblocking voltage and current rating, fast switching speed and low forward voltage drop, make it a very effective solution. The working principle of this device is simple and efficient, ensuring effective rectification of AC input, while allowing minimal power loss.

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