R0.25D12-1215/P-R

Current - Output (Max):	8.3mA, 8.3mA
Size / Dimension:	0.60" L x 0.42" W x 0.28" H (15.2mm x 10.7mm x 7.0mm)
Package / Case:	12-SMD Module, 10 Leads
Mounting Type:	Surface Mount
Efficiency:	60 ~ 70%
Operating Temperature:	-40°C ~ 100°C
Features:	SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	1kV
Power (Watts):	250mW
Series:	ECONOLINE R0.25D
Voltage - Output 3:	--
Voltage - Output 2:	-15V
Voltage - Output 1:	15V
Voltage - Input (Max):	13.2V
Voltage - Input (Min):	10.8V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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DC DC Converters

DC-DC converters are one of the most widely-used electronic circuits in our daily life. They are used to convert direct current (DC) from one voltage level to another, either higher or lower. A typical DC-DC converter, the R0.25D12-1215/P-R, is a bidirectional, high-efficiency, isolated, switching DC power converter capable of providing highly efficient DC power conversion.

Application Field

The R0.25D12-1215/P-R is suitable for a wide range of DC-to-DC conversion applications, including the powering of telecommunication, computer peripheral, railway and automotive systems. It can also provide an efficient source of power for solar and windmill energy systems, and other end-user applications where energy saving is important.

Working Principle

The R0.25D12-1215/P-R utilizes a switching circuit and a transformer to convert the input voltage into the desired output voltage. The switching circuit, which is usually comprised of a transistor or FET, is connected to the transformer primary winding. When a voltage pulse is applied to the switching circuit, it turns the transistor or FET "on" and it provides a current pulse to the transformer primary winding. This induces a magnetic flux that is linked by the transformer secondary coil, resulting in an AC voltage that is rectified and then converted to the desired output voltage. The output voltage is determined by the ratio of the number of turns between the primary and secondary coils of the transformer. With this type of converter, the output voltage can be changed with minor changes in the ratio from the primary to the secondary winding. To maintain a fixed output voltage, devices such as zener diodes and voltage regulators can be used in combination with the DC-DC converter. The efficiency of the R0.25D12-1215/P-R up to 95%. Due to the use of the transformer, it ensures low losses, low EMI/RFI radiation, allowing a smaller output power rating than other converter types for a given set of input and output conditions. Furthermore, its design is highly reliable and it can be used in an automated assembly process.In conclusion, the R0.25D12-1215/P-R is an efficient, bidirectional, isolated, switching DC power converter suitable for a variety of applications where energy savings is important. It utilizes a transformer to convert the input voltage into the desired output voltage and can achieve up to 95% efficiency. Its high reliability, low losses, and low EMI/RFI radiation make it a popular choice for DC-to-DC conversion applications.

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