SPDM24751B

Power (Watts):	72W
Approvals:	CE, cULus, TUV
Minimum Load Required:	No
Size / Dimension:	3.94" L x 1.59" W x 3.60" H (100.0mm x 40.5mm x 90.0mm)
Mounting Type:	DIN Rail
Features:	IP20, Universal Input
Operating Temperature:	-25°C ~ 71°C (With Derating)
Efficiency:	89%
Voltage - Isolation:	3kV
Applications:	Hazardous Locations, ITE (Commercial)
Series:	SPDM
Current - Output (Max):	3A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	24V
Voltage - Input:	85 ~ 264 VAC, 120 ~ 375 VDC
Number of Outputs:	1
Type:	Enclosed
Part Status:	Active

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AC DC ConvertersThe SPDM24751B is an electronic device designed for the purpose of converting an alternating current (AC) signal into a direct current (DC) signal. It is mainly used in power electronics applications, such as in lighting, automation, and data communication systems. The SPDM24751B can also be used in various automotive and industrial applications.Working PrincipleThe SPDM24751B is an AC-DC converter that converts AC signals into a DC signal. It works by rectifying the incoming AC signal using four rectifier diodes which are connected in a bridge configuration. The output from the diodes is then applied to a full-wave rectifier filter circuit consisting of inductors and capacitors. This filter produces two output signals, one which is positive and one which is negative. The resulting DC signal is smoothed by a transformer, which improves the overall quality of the output DC signal.In addition to the rectifier and filter circuits, the SPDM24751B also includes over-voltage and under-voltage protection circuits. These help protect the device from damage caused by excessive voltage and current. The SPDM24751B also includes an EMI filter, which helps reduce interference from other electronic devices that may be near the device.ApplicationsThe SPDM24751B is mainly used in power electronics applications, as it is designed for use in applications that require high efficiency and reliability. It is commonly used in LED lighting, automated motor control, motor drives, and various other industrial and automotive applications. For LED lighting, the SPDM24751B is used to power the LEDs from an AC power source. The AC signal is rectified by the circuit, and converted into a DC signal which is then used to power the LEDs. This ensures that the LEDs are properly powered and that there is no current fluctuations which can cause damage to the LEDs. For automated motor control, the SPDM24751B can be used to convert an AC signal into a DC signal which is used to drive the motor. The resulting DC signal is then used to accurately control the rotation speed of the motor. This helps to ensure that the motor is operating smoothly and efficiently. In automotive applications, the SPDM24751B is used to power various systems, such as lights, onboard computers, and dashboards. The AC signal is converted into a DC signal which is then used to power these systems. This helps to reduce the load on the alternator and battery, thus helping to improve the overall efficiency of the vehicle.ConclusionThe SPDM24751B is a useful AC-DC converter that can be used in a variety of applications. It can be used to convert an AC signal into a DC signal which can then be used to power various components. It is mainly used in LED lighting, motor control, and automotive applications. The over-voltage and under-voltage protection circuits help to protect the circuit from damages caused by excessive current or voltage. In addition, the EMI filter helps to reduce interference from other electronic devices.

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