B4003

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Common Mode Chokes, also known as CM Chokes, are a type of electromagnetic device commonly used to filter or suppress electromagnetic interference (EMI) and noise in switched-mode power supplies, portable devices, and general electronics. B4003 Common Mode Choke is a small and compact EMI filter which provides high common mode noise suppression. It is designed for use in a variety of applications such as home appliances, LCD monitors, medical instruments, and consumer electronics.

B4003 Common Mode Choke features a high suppression capability at a low DC resistance, a high current rating, and an operating temperature range of -25 to +85℃. The choke contains two windings, one for each line in the circuit. The windings are connected in such a way that they will be able to generate a magnetic field when current passes through them. This magnetic field will affect the current flow and cause the signals in the circuit to be dampened, or suppressed.

The suppression capability of the B4003 Choke is achieved through the use of ferrite cores. Ferrite cores are very effective at increasing or decreasing magnetic fields, and can be used to block certain frequencies from passing through the cores. By using multiple ferrite cores, the B4003 Choke is able to provide a very high level of noise suppression, particularly in high-frequency applications.

The B4003 Choke has a working principle which relies on the properties of inductors, capacitors, and resistors. The basic working principle is as follows: when a circuit is connected to the choke, an AC current will flow through the windings of the choke. This current is then converted to a DC current by the ferrite cores, and is then sent to the load. At the same time, an AC current will pass through the windings and induce a voltage in the ferrite cores. This voltage is then filtered to remove unwanted frequency components, and the clean DC current is sent to the load.

The B4003 Choke is used in a wide variety of applications, such as home appliances, industrial machinery, automotive electronics, HVAC systems, and consumer electronics. In home appliances, it is used to suppress high frequency interference and reduce EMI caused by motor operation. In industrial machinery, it is used to reduce EMI in high-speed signals, reduce power supply noise and reduce the effects of motor interference. In automotive electronics, it is used to reduce EMI caused by ignition systems and electronic control units. And in consumer electronics, it is used to reduce EMI from wireless devices such as cell phones and tablets.

The B4003 Common Mode Choke is available in a variety of sizes and is designed to be compatible with a variety of power sources, including AC, DC, and even solar power. It is also available in a range of current ratings, enabling it to be used in applications where high currents are required. The choke is also proven to be reliable, even in extreme environmental conditions.

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