SSR21H-12150

Voltage Rating - AC:	--
Package / Case:	Vertical, 4 PC Pin
Height (Max):	0.571" (14.50mm)
Size / Dimension:	0.906" L x 0.906" W (23.00mm x 23.00mm)
Mounting Type:	Through Hole
Features:	--
Approvals:	--
Ratings:	--
Operating Temperature:	-25°C ~ 120°C
Series:	SSR21H
Voltage Rating - DC:	250V
DC Resistance (DCR) (Max):	320 mOhm
Current Rating (Max):	1.2A
Inductance @ Frequency:	15mH @ 10kHz
Number of Lines:	2
Filter Type:	Power Line
Part Status:	Active
Packaging:	Bulk

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Common Mode Chokes

Common mode chokes, also known as EMI/RFI filter chokes, are widely used in applications where electromagnetic and radio frequency interference (EMI/RFI) must be suppressed or minimized. The SSR21H-12150 common mode choke is a high-performance choke which is specifically designed to reduce EMI/RFI. The SSR21H-12150 is a compact, single-stage common mode choke which employs a core-less design with a hollow ferrite material exhibiting very low inductance and high saturated inductance. It is capable of providing up to ±50nH of differential mode attenuation and up to 70dB of common mode rejection at frequencies up to 1GHz. The advantages of common mode chokes are that they can be used to reduce both conducted and radiated emissions. They are also able to provide effective noise and interference rejection at high frequencies, which makes them especially well-suited for devices such as computers, medical equipment, and control systems which may be susceptible to EMI/RFI interference. The SSR21H-12150 is designed for use in a wide range of applications, including consumer electronics, communication systems, industrial control systems, data bus systems, and automotive electronics. The device is suitable for mounting on a printed circuit board (PCB), and is available in both through-hole and surface mount configurations. In terms of its working principle, the SSR21H-12150 has an internal structure which consists of two parallel conductors and a ferrite core. The ferrite core is wound with a single layer of wire, which creates a magnetic field in response to the current flow between the two conductors. This creates an inductance which is dependent on the current, which is used to reduce common mode interference. Common mode chokes are very effective at reducing the effects of EMI/RFI, and are relatively low-cost and easy to use components. The SSR21H-12150 is a highly efficient and reliable common mode choke which offers excellent performance in a wide range of applications.

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