BSC25-0108 PDF – Flyback Transformer

Part Number: BSC25-0108

Function: Flyback Transformer

Manufacturer: ETC

Images:

BSC25-0108

Description

BSC25-0108 is Flyback Transformer. A flyback transformer, also known as a line output transformer (LOPT), is a specialized type of transformer used in electronic circuits to generate high voltage and store energy. It is commonly found in various applications, including:

Cathode Ray Tube (CRT) Displays: In older CRT televisions and computer monitors, a flyback transformer is used to generate the high voltage required to accelerate electrons and create the images on the screen.

Switched-Mode Power Supplies (SMPS): In some SMPS designs, particularly those using the flyback topology, the transformer is a critical component that helps isolate and transfer energy between different parts of the circuit.

Voltage Converters: Flyback transformers are used in some voltage converter circuits to step up or step down the voltage levels, depending on the application.

The basic operation of a flyback transformer involves storing energy in its primary winding while a switch (usually a transistor) is on, and then releasing that energy to the secondary winding when the switch turns off. This allows for the generation of high voltages or efficient power conversion.

BSC25-0108 pdf datasheet

BSC25-0108 PDF Datasheet

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EE25 PDF Datasheet – 8Pin, Transformer Spec

This post explains for the transformer.

The Part Number is EE25.

The function of this semiconductor is Single stage LED driver.

Manufacturer: FPE, ETC

Preview images :EE25 pdf datasheet

Description

EE25 is Transformer for Single stage LED driver.

A single-stage LED driver is a type of LED driver circuit that integrates both power factor correction (PFC) and LED driving functions into a single stage, as opposed to the traditional two-stage approach where PFC and LED driving are separate stages. In this context, a transformer is not typically used in a single-stage LED driver circuit.

The primary purpose of a transformer in a power supply circuit is to step-up or step-down the voltage, and it is commonly used in traditional non-isolated (flyback or forward) LED drivers. However, in a single-stage LED driver, the topology is usually based on a boost converter with power factor correction (PFC), and the transformer is eliminated to reduce size, cost, and complexity.

WINDING :

1). N1 : 2 —- 1 2UEW Φ 0.35mm 27Tx4Layer

2). N2 4 Copper foil 0.025t*7

2). N3 6—-5 Triple insulation winding wireΦ 0.6mm 14T
Totoku TIW-3 UL FILE NO.E66483 or equivalent

3). N4 8—-7 Triple insulation winding wireΦ 0.6mm 6T
Totoku TIW-3 UL FILE NO.E66483 or equivalent

4). N5 3—-4 2UEW Φ 0.25mm 25T

Applications:

1. Lighting

2. White Goods

3. metering

4. Telecom

5. industrial Controls

6. Stand-by Power

EE25 PDF Datasheet

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