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Mini Pulse Flyback Transformer
Traditionally, the flyback transformer was used for controlling the horizontal movement of the electron beam in a cathode ray tube. Today, it is used in many applications, such as electrical pumps and generators. The flyback topology is based on the buck-boost topology. The output voltage of the flyback transformer is not a constant sinusoidal voltage, but rather takes the form of an arc.
The flyback transformer works in a similar way to a conventional transformer. However, it uses a diode to conduct the energy transfer. The diode acts as a resistor to the current and stops the ramp from flying on the opposite side. The secondary winding is also connected to the diode in a reverse bias and is used to store it currently. The output voltage is then regulated by the secondary winding capacitor.
Flyback transformers are UL and ETL listed. They are also RoHS compliant. They are typically used within the universal AC line input voltage range of 85 to 265 Vac. However, they are also used at higher voltages, sometimes up to 20,000 volts. They are commonly found in generators, electrical pumps, and motors. They are also used in DC-DC controllers, as well as telecommunications equipment.
Flyback transformers are available in a wide variety of configurations, including high voltage and low leakage models. They are also available with ferrite cores. There are several styles of cores to choose from, including toroidal, EFD, PC, and RM. These types of transformers are used for many different applications, including military, medical, and industrial applications. They are also available in through-hole and surface-mount configurations.
The construction of a flyback transformer includes the core, main winding, and rectifying unit. The windings are generally copper, though paper insulation is sometimes used in some applications. The construction of the rectifying circuit is the same as a traditional transformer and includes electronic devices like MOSFETs. The output voltage is also similar to that of a traditional transformer, but not sinusoidal.
A typical flyback transformer has an output voltage of 20,000 volts. In some applications, they are used for high-voltage experiments. They are also used in fuel monitors, as well as in linear vibrators and automatic switches. Some flyback transformers are also used in telecommunications applications, and they are UL and ETL listed.
Generally, flyback transformers are used at voltages of 2 to 400 Vdc, though they can be used at higher voltages. They can be used in applications such as generators, electrical pumps, and DC-DC controllers. They can also be used in CRT televisions.
Several common issues can be found with flyback transformers. One common problem is the shorting of the windings. Other issues include the external arcing of the field. If you are thinking about using a flyback transformer, make sure to find out if it is properly designed for the application. The best way to do this is to check online. A common multimeter can also be used to check the voltage at each point in the circuit.
EF12~25 EF Type Mini Electronics smd pulse flyback transformer
EF12~25 EF Type Mini Electronics smd pulse flyback transformer
|
Type |
Structure |
Dinension(mm) |
PinRow 1(mm) |
PmPitch 2(mm) |
Row Pitch(mm |
OD Pin(mm) |
note |
||||
|
Type |
A |
B |
C |
Pin |
Pin Pitch |
Pin |
Pin Pitch |
||||
|
EF12.6-001 |
Vertical |
12.8 |
10.0 |
14.0 |
3 |
3.75 |
3 |
3.75 |
7.50 |
SQ0.50#0.50 |
|
|
EF16-001 |
Horizontal |
16.6 |
17.0 |
11*2 |
4 |
3.50 |
4 |
3.50 |
14.20 |
00.60 |
|
|
EF16-002 |
Horizontal |
16.6 |
17.0 |
11.7 |
5 |
2.50 |
5 |
2.50 |
13.00 |
00.60 |
|
|
EF2(HX)1 |
Horizontal |
20.5 |
20.6 |
15.1 |
4 |
5.00 |
4 |
5.00 |
15.00 |
00.70 |
|
|
EF20-002 |
Horizontal |
20.5 |
20.6 |
15.1 |
4 |
5.00 |
4 |
5.00 |
15.00 |
00.70 |
double slot |
|
EF2(M)03 |
Horizontal |
20.5 |
20.6 |
16.6 |
5 |
3.80 |
5 |
3.80 |
15.40 |
00.60 |
|
|
EF20-004 |
Vertical |
20.5 |
17.0 |
21.0 |
3 |
5.00 |
3 |
5.00 |
12.00 |
00.70 |
|
|
EF2(HX)5 |
Horizontal |
23.6 |
30.0 |
14.5 |
5 |
4.00 |
5 |
4.00 |
23.60 |
SQ0.70.0.70 |
Secondary side widening |
|
EF25*001 |
Horizontal |
25.5 |
26.2 |
19.0 |
4 |
5.00 |
4 |
5.00 |
20.00 |
00.80 |
|
|
EF25-002 |
Horizontal |
25.5 |
26.2 |
19.0 |
5 |
4.00 |
5 |
4.00 |
20.00 |
00.00 |
|
