CF28B1984

Series:	--
Part Status:	Active
Type:	Round
Design:	Hinged (Snap On)
Impedance @ Frequency:	62 Ohm @ 100MHz
Material:	28
Inner Dimension:	0.524" Dia (13.30mm)
Outer Dimension:	1.220" Dia (31.00mm)
Ratings:	--
Mounting Type:	Free Hanging
Length:	1.217" (30.90mm)

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Introduction

The CF28B1984 is a ferrite core transformer designed for use in electrical cables and wiring applications. This transformer can be applied in many power and motor applications, including for power conversion, voltage control, and motor control. The transformer features a core made from ferrite material, making it an ideal choice for high-frequency switching. It has an insulation resistance of 1k ohm, making it suitable for use in switching applications.

Design and Construction

The CF28B1984 has a round core with a diameter of 0.81 inches and a overall length of 1.51 inches. Its main body is an injection molded shell made of ABS thermoset plastic. The core is made from ferrite material, which is a binderless mixture of metal oxides in powdered form that has been sintered together in a high-pressure, high-temperature process. The core is encased in an epoxy sealant which provides both mechanical and electrical protection.The transformer is designed with an internal self-shielding construction, which helps to reduce the effects of electro-magnetic interference (EMI). The internal wiring is designed for maximum efficiency and low voltage drop. The design also ensures low leakage of electric fields.

Technology

The CF28B1984 is designed to operate at a frequency range from 15 KHz to 1.5 MHz and a switching voltage of 28V DC to 150V DC. Its primary turn ratio can be easily changed for different power levels. The internal construction provides maximum heat dissipation, with a fuse rating of up to 16A at 250V.The transformer also offers an over-voltage protection feature, which helps to maintain a safe level of power. The high heat resistance and insulation level of the transformer makes it suitable for use in harsh environments.

Performance

The CF28B1984 has a primary inductance of 500nH and a leakage inductance of 30nH. This makes it suitable for use in high frequency applications, such as motor speed control, power conversion, voltage control, and other switching applications. The transformer can withstand temperatures of up to 125°C, making it suitable for use in dry locations.The transformer also features a low capacitance, which helps to reduce ringing and transients during switching operations. It has a high breakdown voltage of 10000V, which ensures safety in applications requiring high voltage levels.

Conlusion

The CF28B1984 is a ferrite core transformer designed for use in electrical cables and wiring applications. This transformer can be applied in power and motor applications, such as power conversion, voltage control, and motor control. The core is made from ferrite material, providing excellent high-frequency switching capabilities. The transformer has an insulation resistance of 1k ohm, making it suitable for use in switching applications. It is designed with an internal self-shielding construction, which helps to reduce the effects of electro-magnetic interference (EMI). The primary turn ratio is easily changed and the transformer offers an over-voltage protection feature, ensuring a safe power level. The CF28B1984 is suitable for use in harsh environments and can operate at a frequency range of 15 KHz to 1.5 MHz with a voltage of 28V DC to 150V DC. It offers excellent performance with its primary inductance of 500nH and leakage inductance of 30nH, as well as its low capacitance which helps to reduce ringing and transients during switching operations.

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