CMT-02105 Allicdata Electronics
Allicdata Part #:

CMT-02105-ND

Manufacturer Part#:

CMT-02105

Price: $ 3.24
Product Category:

Filters

Manufacturer: Tamura
Short Description: COMMON MODE CHOKE 5MH 1A 2LN TH
More Detail: 5mH @ 1kHz 2 Line Common Mode Choke Through Hole ...
DataSheet: CMT-02105 datasheetCMT-02105 Datasheet/PDF
Quantity: 1000
500 +: $ 2.93895
Stock 1000Can Ship Immediately
$ 3.24
Specifications
Series: CMT
Packaging: Bulk 
Part Status: Active
Filter Type: --
Number of Lines: 2
Inductance @ Frequency: 5mH @ 1kHz
Current Rating (Max): 1A
DC Resistance (DCR) (Max): 400 mOhm
Voltage Rating - DC: --
Voltage Rating - AC: 250V
Operating Temperature: --
Ratings: --
Approvals: --
Features: --
Mounting Type: Through Hole
Size / Dimension: 1.102" L x 0.571" W (28.00mm x 14.50mm)
Height (Max): 1.102" (28.00mm)
Package / Case: Vertical, No Base, 4 PC Pin
Description

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Common Mode Chokes

Common mode chokes, otherwise known as line filters, are both active and passive electrical parts used throughout almost all electrical systems. These components are designed to act as impedance devices, blocking certain frequencies from leaving a circuit while allowing other frequencies to pass. Common mode chokes are commonly utilized in both dielectric and ferrite applications, providing increased noise immunity for either. Here, we look at CMT-02105’s application field and working principle.

Application Field

CMT-02105 is a high-performance common mode filter used primarily in automotive-level power electronics systems. It exhibits excellent temperature stability and working voltage between 250 ~ 400 V. This filter is ideal for use in a wide range of automotive systems, including engine control, audio, and remote control units. Its small form factor also makes it useful for situations where space is at a premium, such as with medical and military equipment. It is even suitable for use in DC power rail filtration for industrial automation and robotics.

Working Principle

Common mode chokes work by blocking the high-frequency components of AC and DC voltage signals. The CMT-02105 features two discrete coils, which are situated in opposition. The two coils are designed to provide a wide range of impedance ratios, from almost open circuit at frequencies below 500kHz to a high resistance at frequencies above 4MHz. This allows the filter to reject common mode noise while still passing the lower-frequency signals essential for system operation.

This filter is constructed with an inner core made of a ferrite material. Magnetic properties within the ferrite result in a higher impedance as frequency increases, creating a higher resistance to high-frequency noise. The filter is rated to provide 8.5dHR min at 400kHz, and is manufactured in a 10x14mm surface-mount package.

Conclusion

The CMT-02105 is a high-performance common mode filter ideally suited for use in automotive, medical, and military applications. Its small form factor and excellent temperature stability make it a suitable choice in situations where space is at a premium. Its two discrete coils provide a wide range of impedance ratios, allowing it to reject high-frequency noise while passing necessary low-frequency signals.

The specific data is subject to PDF, and the above content is for reference

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