DLM11SN450HY2L

Voltage Rating - DC:	5V
Voltage Rating - AC:	--
Operating Temperature:	-40°C ~ 85°C
Ratings:	--
Approvals:	--
Features:	--
Mounting Type:	Surface Mount
Size / Dimension:	0.049" L x 0.039" W (1.25mm x 1.00mm)
Height (Max):	0.024" (0.60mm)
Package / Case:	0504 (1210 Metric), 4 Lead
Series:	DLM11
Packaging:	Tape & Reel (TR)
Part Status:	Active
Filter Type:	Signal Line
Number of Lines:	2
Impedance @ Frequency:	45 Ohms @ 100MHz
Current Rating (Max):	100mA
DC Resistance (DCR) (Max):	880 mOhm

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Common mode chokes are devices, which are primarily used as electromagnetic interference (EMI) filters in the electrical circuit. Their purpose is to reduce the incidence and strength of electromagnetic fields created by an alternating current (AC) and to reduce other EMI-driven noise, like radio frequency interference (RFI). A common mode choke works by connecting two windings in series with a DC source. This makes the two windings behave in opposition to each other, resulting in the current\'s momentum being cancelled out, thereby stoping the electromagnetic fields from reaching the load. In this way, a common mode choke can help protect both the load and the source from the undesirable electromagnetic fields.The common mode choke DLM11SN450HY2L is designed to reduce the incidence and strength of RFI and EMI in two-wire signal lines. It features low-profile stacking and UL/EN/IEC 60950-1 and EMC compliance. With a power rating of 100V DC and 200mA, it can handle AC loads up to 50A peak and can have its circuit-board footprint minimized by up to 70%. The DLM11SN450HY2L has a high-resistance to radiation, and is not immune to induced fields and other EMI sources. The device also features a small-profile Bobbin structure that provides improved stability, and a permeability cyclic regulator to sustain a stable magnetizing current.When connected in signal lines, the DLM11SN450HY2L common mode choke act as an EMI filter, shielding the signal lines and protecting them from EMI-driven interference. The force on each winding is the same, and the windings are resistive in regards to one another. This creates a coupling, which reduces the EMI and RFI incidents in the signal lines. The coil is terminated on one end by the signal source, while the other end of the coil is terminated on the load. When the choke is activated by a DC supply, the induced EMI current will be forced away from the load due to the high oppositional medium created by the reinforcing current within the DLM11SN450HY2L’s common mode choke.The DLM11SN450HY2L is commonly used in various applications, such as in telecommunications systems, transceiver equipment, LCD monitors and TV sets, warning and alarm systems, military applications, networks, broadcast systems, automotive electronic systems, industrial controllers, home appliances, and PLCs.In conclusion, the DLM11SN450HY2L common mode choke is an ideal device for providing EMI protection against unwanted interference and increasing signal quality in various applications. It features a low-profile, easy to install design and is UL/EN/IEC 60950-1 and EMC compliant. Its Bobbin structure provides improved stability, and its permeability cyclic regulator maintains a stable magnetizing current. The DLM11SN450HY2L is a highly efficient and reliable common mode choke that offers excellent EMI protection in signal lines.

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