THROUGH HOLE MOUNT SMPS Transformers 15

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Part RoHS Manufacturer Transformer Type Mounting Feature Manufacturer Series Approvals (V) Terminal Finish Power Rating No. of Functions No. of Winding (Primary) Isolation Voltage Inductance (Primary) Packing Method Output Current-1 Minimum ET Product Output Current-2 Maximum DC Unbalance Current No. of Winding (Secondary) Sub-Category Dimensions Maximum Operating Temperature Application Output Voltage-2 Output Voltage-1 Minimum Operating Temperature Height Width Nominal Input Voltage (V) 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)

78253/55VC

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1 W

1

190 uH

TUBE

1

85 Cel

5 V

-40 Cel

6.35 mm

9 mm

5

9.52 mm

500 KHz

78253/55C

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1 W

1

600 uH

TUBE

1

85 Cel

5 V

-40 Cel

6.35 mm

9 mm

5

9.52 mm

500 KHz

7508110210

Wurth Elektronik

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1

2000 uH

TRAY

2

L15.75XB15.0XH18.5 (mm)

125 Cel

11 V

-40 Cel

18.5 mm

15 mm

120

15.75 mm

200

782485/35C

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1

TUBE

1

6.35 mm

9.14 mm

9.77 mm

782482/53VC

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1

TUBE

1

6.35 mm

9.14 mm

9.77 mm

76253/55ENC

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

MATTE TIN

1

TUBE

1

12.5 mm

15 mm

e3

15 mm

782482/33VC

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1

TUBE

1

6.35 mm

9.14 mm

9.77 mm

782485/55C

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

1

TUBE

1

6.35 mm

9.14 mm

9.77 mm

MTPL-2516-S12V

Vishay Intertechnology

SMPS TRANSFORMER

THROUGH HOLE MOUNT

MIL-PRF-27

3 W

2

450 uH

2

130 Cel

12 V

-55 Cel

16.51 mm

25.654 mm

90

100 KHz

29.718 mm

500 KHz

380

MTPL-2516-S15V

Vishay Intertechnology

SMPS TRANSFORMER

THROUGH HOLE MOUNT

MIL-PRF-27

3 W

2

450 uH

2

130 Cel

15 V

-55 Cel

16.51 mm

25.654 mm

90

100 KHz

29.718 mm

500 KHz

380

JA4429-AL

Coilcraft

SMPS TRANSFORMER

THROUGH HOLE MOUNT

24 W

1

400 uH

TRAY

1

L21.1XB21.1XH17.3 (mm)

85 Cel

24 V

-40 Cel

17.3 mm

21.1 mm

85

21.1 mm

265

Q4337-BL

Coilcraft

SMPS TRANSFORMER

THROUGH HOLE MOUNT

Tin/Silver - Tin - with Nickel barrier

1

500 V

22 uH

TRAY

2

Other Transformers

L24.13XB20.96XH17.78 (mm)

85 Cel

POWER

12 V

12 V

-40 Cel

17.78 mm

20.96 mm

4

24.13 mm

6

Q4343-BL

Coilcraft

SMPS TRANSFORMER

THROUGH HOLE MOUNT

Tin/Silver (Sn/Ag) - Tin (Sn)

1

500 V

85 uH

TRAY

2

Other Transformers

L27.94XB27.94XH24.13 (mm)

85 Cel

POWER

12 V

12 V

-40 Cel

24.13 mm

27.94 mm

18

27.94 mm

36

Q4344-BL

Coilcraft

SMPS TRANSFORMER

THROUGH HOLE MOUNT

Tin/Silver (Sn/Ag) - Tin (Sn)

1

500 V

85 uH

TRAY

3

Other Transformers

L27.94XB27.94XH24.13 (mm)

85 Cel

POWER

5 V

12 V

-40 Cel

24.13 mm

27.94 mm

18

27.94 mm

36

78250VC

Murata Manufacturing

SMPS TRANSFORMER

THROUGH HOLE MOUNT

MATTE TIN

1

TUBE

1

6.35 mm

9 mm

e3

9.52 mm

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.