IRKD236/12

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Configuration:	1 Pair Series Connection
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1200V
Current - Average Rectified (Io) (per Diode):	230A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	20mA @ 1200V
Mounting Type:	Chassis Mount
Package / Case:	INT-A-PAK (3)
Supplier Device Package:	Module

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Introduction

The IRKD236/12 is a diode rectifier array package which is a fast-recovery, high-frequency diode array used for a wide range of applications including telecommunication, switching power supplies, high frequency converters, EMI filters and UPS systems. It consists of two diodes in a hermetic package which have the same polarity, but with the opposite direction of current flow. It is used for protection from reverse voltage, over-voltage and ESD protection. In order to understand the working principle of the IRKD236/12, it is important to understand its operating conditions, applications and limitations.

Operating conditions

The IRKD236/12 operates on a range of voltages between −50 to +50 VDC and −20 to +20 VAC with a maximum peak reverse voltage of 200 V. The device is available in a variety of packages including Dual In-line (DIP), Flat package, SMD, and so on with a variety of pinout options. It has a surge capability of 200 amps (peak), with a maximum reverse recovery time of 1-3nS.

Application Fields

The IRKD236/12 is used in a wide range of applications such as:

• Over-voltage protection,
• Reverse current and short-circuit protection,
• Telecommunication,
• Switch mode power supplies (SMPS),
• Uninterruptible power supplies (UPS),
• High frequency conversion,
• Electric motor drives,
• EMI/RFI filters, and
• Computer, airline, automotive and other industries.

The device has a number of advantages over other diode rectifier arrays such as high surge handling ability, low forward voltage drop and fast recovery times. It is also a low cost solution as it uses fewer components than other protection solutions.

Working Principle

The IRKD236/12 is an integrated diode rectifier array package consisting of two anti-parallel diodes. In this particular package, the two diodes are of the same polarity but with the opposite direction of current flow. This arrangement acts as a protection device by ensuring that current does not flow in the reverse direction.When the device is forward biased, current flows from the anode to the cathode in one diode, while the other diode acts as a short circuit. This allows the device to have a low forward voltage drop and allows the other connected components to be protected.When the device is reverse biased, the diode acts as an open circuit and current does not flow through the device. This protects the other connected components from getting damaged due to overvoltage.The device is also capable of withstanding high surge current during fault conditions as it has a surge capability of 200 amps (peak). This ensures that the connected components are not permanently damaged due to high current breach.

Conclusion

The IRKD236/12 is a diode rectifier array package which provides various protection features such as over-voltage, reverse current and short-circuit protection. It is used in a variety of applications including telecommunication, switch mode power supplies, uninterruptible power supplies, high frequency conversion and EMI/RFI filters. It has a low forward voltage drop and a fast recovery time, which makes it ideal for a wide range of applications. Its surge capability of 200 amps ensures that the connected components are not permanently damaged due to fault conditions.

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