SCR-050-0R9A070JH

Voltage Rating - AC:	250V
Package / Case:	Horizontal, 4 PC Pin
Height (Max):	0.906" (23.00mm)
Size / Dimension:	1.142" L x 1.063" W (29.00mm x 27.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-25°C ~ 120°C
Series:	SCR
Voltage Rating - DC:	250V
DC Resistance (DCR) (Max):	47 mOhm
Current Rating (Max):	5A
Inductance @ Frequency:	7mH @ 10kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active

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Common Mode Chokes

Common mode chokes, also known as line filters, are electronic components designed to suppress electrical noise in currents. They are widely used in a variety of electronic systems such as motor drives, telecommunication systems, and audio equipment. The SCR-050-0R9A070JH is a common mode choke. It is designed to reduce electromagnetic interference (EMI) and radio frequency interference (RFI), allowing for smoother operations.

Application Field

The SCR-050-0R9A070JH is often used in computer, instrument, and industrial control applications. This type of common mode choke is used in a variety of applications, including data line networks, analog and digital signals, and power lines. In data line networks, common mode chokes help suppress high-frequency noise on the signal lines. This means that data transmitted can be more accurately received and transmitted without interference. In addition, these chokes can reduce common mode voltage drops across power lines. This allows for cleaner signal transmission and protects against ground loops. In analog and digital signal lines, common mode chokes help lower the noise on the signal line, which improves the quality of the audio and video signals. This is especially important for sensitive devices such as medical equipment.In power lines, common mode chokes reduce line noise, power loss, and voltage drop. These chokes also reduce the risk of electric shock, which can result from power lines that carry a low-frequency signal.

Working Principle

Common mode chokes use an inductor to create a magnetic field. This magnetic field will oppose the current flowing in the wire. As a result, the opposing magnetic field creates a voltage drop across the choke’s inductor. This voltage drop works to reduce electromagnetic interference (EMI) and radio frequency interference (RFI).Common mode chokes are often designed with a ferrite core and two or more coils. The ferrite core is usually in the shape of a ring or cylinder. The coils are then wound around the core in series or parallel. The construction of the common mode choke dictates how much suppression it provides. The number of turns of each coil, the orientation of the coils, and the type of material that makes up the core all affect the choke’s performance. The type of material used affects the choke’s inductance, permeability, and saturation current. In general, a higher inductance, greater permeability, and a lower saturation current will improve the performance of the choke. When choosing a common mode choke, it is important to consider the application it will be used for. Different types of chokes have different inductance, saturation current, and size requirements. Knowing the application will help ensure that the right choke is chosen for the job.

Conclusion

The SCR-050-0R9A070JH is a popular type of common mode choke. Common mode chokes help suppress electrical noise and reduce EMI and RFI interference. They can be used in data line networks, analog and digital signals, and power lines. The choke’s performance is based on the number of turns, the orientation of the coils, and the type of material used for the core. Choosing the right choke for the application is key to ensuring performance.

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