SK59BHM4G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	90V
Current - Average Rectified (Io):	5A
Voltage - Forward (Vf) (Max) @ If:	850mV @ 5A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	100µA @ 90V
Capacitance @ Vr, F:	--
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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SK59BHM4G Application Field and Working PrincipleSingle diodes are one of the most common semiconductor components used in digital electronics, providing a function of electrical conduction in one direction and blocking current in the reverse direction. The SK59BHM4G is a single rectifier diode that operates in a wide range of temperatures, from -55°C to 175°C. It can handle high peak reverse voltages up to 600V and can rectify currents up to 16A in a single package, with a power dissipation of 9W.The primary applications for the SK59BHM4G include bridge rectification applications for use in AC-DC power supplies, motors, rectifiers, battery chargers, power inverters and various automotive electronics applications. The SK59BHM4G can also be used as a full-wave rectifier to provide a regulated DC output from an AC input. Furthermore, the diode can be integrated into a circuit to protect sensitive electrical components from reverse voltages, such as a circuit equipped with an electromechanical relay.The SK59BHM4G works according to a PN junction physics, in which a junction is formed between a positively doped and a negatively doped semiconductor. This junction behaves like an insulator, preventing electrons from flowing from one material to the other, except for when a potential difference is applied across the two materials. When a voltage is applied to the doped materials, the current flows through the diode junction in one direction and not in the other, thus providing rectified DC from an AC source, or blocking reverse flow.In a PN junction diode, the majority carriers that carry the current flow through the junction, while the minority carriers form a depleted region of charge carriers in the vicinity of the junction. When a forward bias is applied across the junction, the minority carriers are attracted to the junction and merge with the majority carriers, thus allowing the current to flow in one direction. However, when a reverse bias is applied, the minority carriers are repelled away from the junction, blocking current from flowing in the reverse direction.The SK59BHM4G diode is rated for an avalanche capability of up to 600V, which allows it to handle high peak voltages without deteriorating. This characteristic ensures that the diode will not fail even when operating under stressful electrical conditions.The SK59BHM4G diode also features a built-in strain relief feature, which provides additional protection for the junction by helping to reduce mechanical stresses on the junction caused by thermal expansion and contraction of the packaging materials.Overall, the SK59BHM4G provides a reliable and inexpensive solution for a wide range of AC-DC power conversion applications, as well as providing reverse voltage protection in sensitive electronic circuits. Its wide temperature range and robust design make it suitable for use in multiple challenging automotive applications.

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