IRKE91/12A

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1200V
Current - Average Rectified (Io):	100A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	10mA @ 1200V
Capacitance @ Vr, F:	--
Mounting Type:	Chassis Mount
Package / Case:	ADD-A-PAK (2)
Supplier Device Package:	ADD-A-PAK®

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IRKE91/12A is a type of diode that may be used for rectification or switching applications. This particular diode is capable of high current, low voltage operation and is generally available in two voltage ratings, 12 and 30 volts. The IRKE91/12A is usually used in applications that require switching or rectification at low to medium current levels in limited voltage areas. This diode is particularly well-suited for controlling AC power supplies, amplifiers, and switching power supplies. It is also used in automotive and other industrial applications. This diode is constructed out of two p-type semiconductor layers sandwiched between two n-type semiconductor layers. This construction makes it a PNPN diode. Because of its construction, it has the ability to switch quickly and its reverse recovery time is short relative to other common rectifiers. The working principle of the IRKE91/12A diode is relatively simple. In a PNPN diode, current flows easily in the forward direction due to the p-n layers. When a voltage of a magnitude equal to or greater than the forward voltage is applied to the diode, it begins to conduct current. When a reverse voltage is applied to the diode, it begins to block the current. At this point, all the current flowing into the diode is blocked from flowing through it, which is the purpose of the diode. This means that, when a reverse voltage is applied, the diode will be effectively blocking the flow of current. The IRKE91/12A diode is a versatile device. It is used in a variety of applications, from power supplies to amplifiers, because of its fast switching times and its ability to block current in reverse. Its voltage ratings make it suitable for use in many applications, and its simple construction makes it an easy-to-use device.

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