1N4936GHR1G

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	200ns
Current - Reverse Leakage @ Vr:	5µA @ 400V
Capacitance @ Vr, F:	10pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Operating Temperature - Junction:	-55°C ~ 150°C

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1N4936GHR1G application field and working principleThe 1N4936GHR1G is a semiconductor diode which is used to protect electrical circuits from excessive current during periods of over-voltage. It can be found in automotive, consumer, industrial, communications and other applications. In order to understand its full potential, it is important to understand its application field and working principle. The 1N4936GHR1G is a rectifying diode and can be classified as a single junction diode. This means it is a basic electronic component which consists of a single p-n junction semiconductor material. It has two terminals that allow a flow of current, the anode and the cathode. When there is an applied voltage across these terminals, the diode will conduct current in only one direction (known as forward biased). This device will not function in the reverse-biased direction, or when the polarity is reversed. When this diode is utilized in over-voltage protection circuits, it is generally placed in a reverse-biased-mode. In this mode, the diode will act as an open circuit unless excessive voltages are applied, in which case the diode will transfer the over-voltage to an alternate internal circuit. This process occurs due to the potential barriers within the diode, which will be temporarily broken down when subjected to high voltages. Once the diode has clamped the over-voltage, it will quickly restore its high resistant characteristics. The 1N4936GHR1G is used in many different applications. It can be found in power supplies, motor control circuits, and solar panels. In automotive applications, it can be used as a protection against voltage spikes associated with vehicle alternators. This diode is particularly valuable in helping to prevent damage to sensitive electrical components in harsh environments such as those of cars, phones and computers. Generally, the 1N4936GHR1G has a clamping voltage of roughly 400V and its glass passivated construction provides excellent temperature stability. This diode is reliable and relatively simple in terms of construction, making it an ideal choice for low-cost, high-volume applications. In summary, the 1N4936GHR1G is an efficient and reliable single junction diode with an application field that extends from automotive to consumer, communications and industrial applications. Its reverse-biased mode serves as an effective form of over-voltage protection and its clamping voltage of 400V allows for efficient current regulation. Finally, its glass passivated construction ensures temperature stability for reliable performance.

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