SS26V-R300038

Voltage Rating - AC:	250V
Package / Case:	Vertical, 4 PC Pin
Height (Max):	1.240" (31.50mm)
Size / Dimension:	1.024" L x 0.807" W (26.00mm x 20.50mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-25°C ~ 120°C
Series:	SS
Voltage Rating - DC:	--
DC Resistance (DCR) (Max):	100 mOhm
Current Rating (Max):	3A
Inductance @ Frequency:	3.8mH @ 1kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active
Packaging:	Bulk

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Common Mode Chokes

Common Mode Chokes (CMC) are specialized filters used to reduce common mode and differential mode noise on differential signal lines, amplifiers and power supply circuits. The SS26V-R300038 is an CMC designed to reduce the effects of power line interference or common mode switching noise in electrical systems.

Application Field

The SS26V-R300038 is designed for use on 3–30V DC/DC converters, DC motors, DC/AC inverters, inverter sensors, servo drives, and other systems that require EMI suppression. It can also be used as a common mode filter in applications such as automotive electronics, security systems, micro-controllers, audio electronics, and power supplies.

Working Principle

The SS26V-R300038 is comprised of an inductor, a capacitor, and a ferrite core. The inductor and capacitor form a LC low pass filter that removes differential mode noise. The ferrite core is wrapped around the inductor to concentrate the magnetic field and create a higher inductance at lower frequencies which reduces the effect of common mode noise. When common mode interference occurs, the ferrite core amplifies the inductance of the inductor, which reduces the current drawn by the common mode interference. As a result, the differential mode signal is not affected, but the common mode interference is suppressed. Additionally, by increasing the inductance of the inductor, the current can be shifted away from the low frequency range, further reducing common mode interference.

Understanding the SS26V-R300038

The SS26V-R300038 is a high-inductance common mode choke designed to reduce common mode noise in a wide range of operating conditions. It is designed for a 3–30V, up to 40A operating range and it has a dynamic impedance of 15-1000Ω. The device also features a Class A (1KHz - 10MHz) EMI compound that limits EMI leakage. It also has a flat temperature range for operation, providing improved thermal performance and better EMI protection. In terms of size, the SS26V-R300038 is a fairly small and compact device, measuring just 12.2mm x 20.4mm x 3.4mm. It also features a low-profile design that makes it easy to install in tight spaces. The device is also UL1446 recognized, RoHS compliant, and has a shelf-life of up to 5 years. In summary, the SS26V-R300038 is a high-performance, EMI-compliant, common mode choke that provides excellent EMI protection and reduces common mode noise in many applications. Its small size and low profile design makes it perfect for use in tight spaces, and its UL1446 and RoHS certification ensure safety and reliability.

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