THROUGH HOLE MOUNTED SMPS Transformers 12

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Part	Manufacturer	Transformer Type	Mounting Feature	Terminal Finish	No. of Functions	No. of Winding (Primary)	Isolation Voltage	Inductance (Primary)	Packing Method	Output Current-1	No. of Winding (Secondary)	Sub-Category	Dimensions	Maximum Operating Temperature	Application	Output Voltage-1	Minimum Operating Temperature	Height	Width	Load Resistance	Additional Features	Minimum Input Voltage (V)	JESD-609 Code	Minimum Operating Frequency	Length	Turns Ratio (Np:Ns)	Maximum Operating Frequency	Maximum Input Voltage (V)
7491181112	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED	TIN OVER NICKEL	1	1	4000 V	2800 uH	TRAY	.25 A	1	Other Transformers	L21.5XB15.0XH12.0 (mm)	125 Cel	GENERAL PURPOSE	12 V	-40 Cel	12 mm	15 mm	.29 ohm	LENGTH DIMENSION INCLUDES TERMINAL ALSO	85	e3		21.5 mm	8.1:1		265
750813144	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED	Tin/Silver (Sn/Ag)	1	2	4500 V	600 uH	TRAY		2		L16.5XB18.0XH18.0 (mm)	125 Cel	GENERAL PURPOSE	28 V	-40 Cel	18.8 mm	16.5 mm			85	e2		18.5 mm	4:1		265
PH0270NL	Pulse Electronics	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			2		876 uH			2			125 Cel		12 V	-40 Cel	27.94 mm	18.8 mm			85			28.45 mm		132 KHz	265
PH0259NL	Pulse Electronics	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			1		1800 uH			1			125 Cel		24 V	-40 Cel	18 mm	16 mm						18.3 mm
PA2517NL	Pulse Electronics	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			2		1200 uH			1		L18.2XB16.0XH18.0 (mm)	130 Cel		12 V	-40 Cel	18 mm	16 mm		FLYBACK TRANSFORMER	100			18.2 mm		60 KHz	400
760895441	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			2		600 uH			2			125 Cel		24 V	-40 Cel	36 mm	36 mm			360			36 mm			400
760895641	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			2		500 uH			2			125 Cel		24 V	-40 Cel	30 mm	43 mm			360			44 mm			400
760895651	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			2		500 uH			2			125 Cel		48 V	-40 Cel	30 mm	43 mm			360			44 mm			400
760895741	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			2		400 uH			2			125 Cel		24 V	-40 Cel	27.5 mm	46 mm			360			48 mm			400
7508112514	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED	Tin/Silver (Sn/Ag)		1		460 uH	TRAY		1			125 Cel		32 V	-40 Cel	14.81 mm	26.3 mm			120	e2	68 KHz	33 mm		110 KHz	375
7508110160	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			1		1590 uH	TRAY		2			125 Cel		5 V	-40 Cel	14.6 mm	14.2 mm			70		45 KHz	20.45 mm		70 KHz	375
750343068	Wurth Elektronik	SMPS TRANSFORMER	THROUGH HOLE MOUNTED			1		230 uH	TRAY		1			125 Cel		24 V	-40 Cel	29.3 mm	29.2 mm			85			30.35 mm			400

SMPS Transformers

Switched-mode power supply (SMPS) transformers are a type of transformer used in power electronics to convert AC voltage to DC voltage with high efficiency. They are commonly used in applications such as computer power supplies, LED lighting, and motor drives.

The basic principle of an SMPS transformer is to use a high-frequency switching circuit to convert the input voltage to a high-frequency AC voltage, which is then rectified and filtered to produce the DC output voltage. The SMPS transformer is a critical component in the switching circuit, and is designed to handle high frequencies and high voltages without overheating or breaking down.

SMPS transformers are typically designed with a ferrite core, which has a high magnetic permeability and low magnetic losses at high frequencies. The core is usually in the form of a toroid, pot core, or E-core, and is wound with one or more coils to create the primary and secondary windings of the transformer.

The primary winding of the SMPS transformer is connected to the input AC voltage, while the secondary winding is connected to the rectifier and filter circuit, which produces the DC output voltage. The number of turns and the size of the wire used in the windings are determined by the required voltage transformation ratio and the frequency range of the circuit.