Loading...

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.

SMPS Transformers

Available Parts 103

Part# Info Specs
Part RoHS Manufacturer Description Additional Features Application Approvals (V) Maximum DC Unbalance Current Height Maximum Input Voltage (V) Minimum Input Voltage (V) Nominal Input Voltage (V) Isolation Voltage JESD-609 Code Length Load Resistance Manufacturer Series Mounting Feature No. of Functions No. of Winding (Primary) No. of Winding (Secondary) Maximum Operating Frequency Minimum Operating Frequency Maximum Operating Temperature Minimum Operating Temperature Output Current-1 Output Voltage-1 Output Voltage-2 Packing Method Dimensions Power Rating Inductance (Primary) Sub-Category Terminal Finish Transformer Type Turns Ratio (Np:Ns) Width
78250JC by Murata Manufacturing

78250JC

Murata Manufacturing

Murata Manufacturing's 78250JC is a SMPS Transformer with dimensions of 6.35mm x 9mm x 12.7mm, suitable for surface mount applications. It offers efficient power conversion in compact spaces, making it ideal for various electronic devices requiring high-performance transformers.

6.35 mm

12.7 mm

SURFACE MOUNT

1

1

TUBE

SMPS TRANSFORMER

9 mm

78250JVC-R by Murata Manufacturing

78250JVC-R

Murata Manufacturing

Murata Manufacturing's 78250JVC-R is a SMPS transformer with dimensions of 6.35mm x 9mm x 12.7mm for surface mount applications. It offers efficient power conversion, making it ideal for compact electronic devices requiring high-performance transformers in power supplies.

6.35 mm

12.7 mm

SURFACE MOUNT

1

1

TR

SMPS TRANSFORMER

9 mm

750319177 by Wurth Elektronik

750319177

Wurth Elektronik

Wurth Elektronik's 750319177 SMPS Transformer has an inductance of 16.5uH, AEC-Q200 approval, and operates b/w -40 to 130°C. Ideal for surface mount applications with a nominal input voltage of 7.5V and output voltage of 13V.

AEC-Q200

11.94 mm

7.5

11.3 mm

SURFACE MOUNT

1

1

130 Cel

-40 Cel

13 V

TR, EMBOSSED PLASTIC, 13 INCH

16.5 uH

SMPS TRANSFORMER

10.95 mm

MTPL-2516-S15V by Vishay Intertechnology

MTPL-2516-S15V

Vishay Intertechnology

MTPL-2516-S15V by Vishay Intertechnology is a 3W SMPS transformer with 2 primary and secondary windings, inductance of 450uH, and output voltage of 15V. Approved for MIL-PRF-27, it operates b/w -55°C to 130°C, suitable for applications requiring a max input voltage of 380V at frequencies ranging from 100kHz to 500kHz.

MIL-PRF-27

16.51 mm

380

90

29.718 mm

THROUGH HOLE MOUNT

2

2

500 KHz

100 KHz

130 Cel

-55 Cel

15 V

3 W

450 uH

SMPS TRANSFORMER

25.654 mm

MTPL-2516-S12V by Vishay Intertechnology

MTPL-2516-S12V

Vishay Intertechnology

Vishay Intertechnology's MTPL-2516-S12V is a 3W SMPS transformer with 2 primary and secondary windings, inductance of 450uH, and output voltage of 12V. Approved for MIL-PRF-27, it operates b/w -55°C to 130°C. Ideal for applications requiring a max input voltage of 380V and operating frequency range from 100KHz to 500KHz.

MIL-PRF-27

16.51 mm

380

90

29.718 mm

THROUGH HOLE MOUNT

2

2

500 KHz

100 KHz

130 Cel

-55 Cel

12 V

3 W

450 uH

SMPS TRANSFORMER

25.654 mm

PLN050-ED21A05S by Bourns

PLN050-ED21A05S

Bourns

Bourns PLN050-ED21A05S is a 50W SMPS Transformer with 3 primary windings, 153uH inductance, and TR packing. It operates b/w -40°C to 125°C, providing dual 5V output voltages. Ideal for surface mount applications requiring a compact transformer solution.

9.8 mm

57

33

26 mm

SURFACE MOUNT

3

3

125 Cel

-40 Cel

5 V

5 V

TR, 13 INCH

50 W

153 uH

SMPS TRANSFORMER

22.7 mm

750313995 by Wurth Elektronik

750313995

Wurth Elektronik

750313995 by Wurth Elektronik is a SMPS Transformer with 2 primary and secondary windings. It operates b/w -40 to 125 °C, providing output voltages of 15V and 5V. Ideal for applications requiring a surface mount transformer with input voltage range of 15-40V and operating frequency of 300-600 KHz.

LENGTH AND HEIGHT DIMENSION INCLUDES TERMINALS ALSO

12.7 mm

40

15

17.75 mm

SURFACE MOUNT

2

2

600 KHz

300 KHz

125 Cel

-40 Cel

15 V

5 V

TR

SMPS TRANSFORMER

13.46 mm