IRKH42/10A

Current - On State (It (RMS)) (Max):	100A
Base Part Number:	KH42
Package / Case:	ADD-A-PAK (3 + 2)
Mounting Type:	Chassis Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Hold (Ih) (Max):	200mA
Current - Non Rep. Surge 50, 60Hz (Itsm):	850A, 890A
Current - Gate Trigger (Igt) (Max):	150mA
Voltage - Gate Trigger (Vgt) (Max):	2.5V
Series:	--
Current - On State (It (AV)) (Max):	45A
Voltage - Off State:	1kV
Number of SCRs, Diodes:	1 SCR, 1 Diode
Structure:	Series Connection - SCR/Diode
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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IntroductionThyristors, SCRs and modules form an important part of the electronics industry, and provide the means for controlling electrical circuits. The IRKH42/10A is a module that falls under this category, and is a type of SCR (Silicon Controlled Rectifier). It is a three terminal, thyristor type device that can be used in all types of AC/DC power controls.IRKH42/10A: Overview and Standard FeaturesThe IRKH42/10A is a specific type of SCR module which has the following features:• High voltages: up to 100 VDC• Low currents: up to 10 amperes• Low switching losses• Low EMC emission and long MTBF (Mean Time Between Failures)• High di/dt capability and low dv/dt capability• Compact size: thickness: 1.6 mm, and width: 5.08 mm• High isolation with UL listed insulation systemThe device can be used in applications where the currents range from 6A to 10A, as it is designed to support this range. It also can switch up to 25 times faster than comparable Thyristors which allow it to be used in applications where the requirements for speed and precision are high.IRKH42/10A Applications and BenefitsThe IRKH42/10A is a highly efficient device that can be used in a variety of applications. It is often used in AC/DC power control, such as in household Electrical devices, HVAC systems, industrial motor control and other high power switching applications. Its low switching losses, high di/dt capability, and low EMC emission make it ideal for applications that require precision and efficiency.The device is also popular in industrial motor control applications due to its durability and reliability. It can withstand high voltages up to 100 VDC and still maintain its performance. The combination of its efficiency, performance and size translates into a very cost effective choice for industrial motor control.The device is also used in automotive applications such as generators, starters and general car electrical systems. It is especially suitable due to its high current handling capabilities.IRKH42/10A Working PrincipleThe IRKH42/10A operates according to Thyristors and SCRs principles. It is essentially an electrical component that can block or conduct current based on the presence of an electric field. It utilizes a ‘gate’ which is a component that can trigger the device to turn on or off. The IRKH42/10A have an open collector arrangement which allows for a simpler circuit design as the gate and emitter voltages can be easily adjusted.When the gate is switched off, a thyristor/SCR will block the current. But when the gate is switched on, the component can conduct current. The gate voltage is set to the required level and when the thyristor/SCR is triggered on, the current starts to flow. The device is then turned off once the current drops below the selected limit.ConclusionThe IRKH42/10A is a highly efficient and reliable device that is perfect for many applications that require high performance and precision. It falls into the category of Thyristors, SCRs and modules, and is an ideal fit due to its high voltages, low currents, low switching losses, low EMC emissions, high di/dt capabilities and low dv/dt capability. The device is often used in AC/DC power control, industrial motor control, and automotive applications due to its ability to support large currents and high voltage ratings. It is also reliable and cost effective making it an optimal choice for many applications.

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