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Room 412, Building 1-1, Rongjin Creative Industrial Park, Shuanggang Town, Tianjin City,China

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jane@etoroidaltransformer.com

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12V 24V 36V ferrite core SMPS high frequency transformer
ER Series High Frequency Ferrite Core SMPS Transformer
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ETD49 ETD59 High Power Flyback Transformer for Industrial SMPS
High Frequency Ferrite Core Flyback Transformer

SMPS Transformer | 12V 24V 36V High Frequency

Original price was: £0.40.Current price is: £0.30.

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Description

SMPS Transformer Working Principle

First of all, SMPS transformer is our core switching power component for industrial power supply circuits. We provide custom winding and ferrite core design for all types of SMPS transformer.
Furthermore, in typical half-bridge circuit designs, our transformer runs at high frequencies (100kHz or higher). Switching transistors create high-frequency pulse signals. The transformer turns these pulses into stable AC output. The winding turns ratio sets your final output voltage.

Three Core SMPS Transformer Types

In addition, half-bridge power supplies rely on three kinds of high-frequency transformers:
  1. Main Transformer: Handles the primary power conversion.
  2. Drive Transformer: Controls the switching transistors.
  3. Auxiliary/Standby Transformer: Provides power to the control circuit.
For example, all our SMPS transformers follow international safety standards. Models for power supplies over 200W use at least 35mm tall ferrite cores. Small auxiliary transformers under 300W adopt 16mm diameter cores. This design keeps steady performance at standard working power.

 

Parameters Of Transformer

 

Parameter
Product Name 12V/24V/36V SMPS Transformer
Core Type Ferrite Core (EE/ER/ETD/ERL/EFD/PQ series optional)
Input Voltage Range 90-265V AC / 12-48V DC (customizable)
Output Voltage 12V / 24V / 36V (customizable)
Output Current 0.5A – 10A (customizable based on power)
Rated Power 6W – 360W (customizable)
Operating Frequency 20kHz – 300kHz
Operating Temperature -40°C to +125°C
Storage Temperature -25°C to +85°C
Storage Humidity 30% – 95% RH (non-condensing)
Insulation Resistance ≥ 100MΩ at 500V DC
Dielectric Withstand Voltage 1500V AC (primary to secondary, 1 minute)
Wire Material Polyurethane enameled copper wire (155°C / 180°C grade optional)
Mounting Type Through-hole / SMD (customizable)
Application Scenarios SMPS, DC-DC converters, inverters, LED drivers, consumer & industrial power supplies
Customization Support Core size, winding turns, pin configuration, insulation grade, and special parameters available

SMPS Transformer Specification:

Specification
Product Name 12V/24V/36V Ferrite Core SMPS Transformer
Operating Frequency 10 kHz – 200 kHz
Output Power Customized based on design requirements
Operating Temperature -40°C to +125°C
Storage Temperature -25°C to +85°C
Storage Humidity 30% to 95% RH (non-condensing)
Key Characteristics of 12V/24V/36V SMPS High-Frequency Transformers
The 12V/24V/36V SMPS transformer is a power transformer designed to operate at frequencies above 10 kHz. we primarily use as a high-frequency switching transformer in switching power supplies, as well as in high-frequency inverter power supplies and inverter welding machines. Its core advantages include:
  1. Uniform Current Distribution

    We fit multiple parallel coils on the transformer’s secondary windings. All these coils connect to one shared primary winding.

    This design balances current evenly on every secondary coil. It works perfectly with parallel rectifier circuits.

    Since the current spreads evenly, you do not need extra current-sharing resistors. This simplifies your circuit layout and cuts production costs.

  2. High Power DensityWe use a small ferrite core for this transformer. It releases heat well during operation.

    You can pair this transformer with semiconductors and inductors easily. This combo brings high power density for your circuits.

    Each module supports up to 30A current. It fits well in devices with limited inner space.

  3. High Efficiency & Performance

    We cut down magnetic leakage inside this transformer.

    This design lets the device switch quickly and lose little power. It works well under high power loads.

    We also lower heat loss between primary and secondary coils.

    So the  transformer runs steadily and safely at its rated power.

    4.High Current Density

    Our  transformer keeps steady temperature during long work hours.

    It carries large current even in a tiny small size.

    You can use it for power supplies that have limited inner space.

    5.Cost-Effective Design

    We build our  transformer with simple, easy-to-source parts.

    Workers can put it together quickly, so manufacturing costs stay low.

    This low-cost design still delivers stable performance. It helps you cut budget on power supply projects.

Our 12V/24V/36V SMPS transformer is widely applied to:

  • Laptop & mobile battery chargers
  • LED driver power supplies
  • Industrial switching power adapters
  • Small UPS & control circuit power units

We provide full customization service for SMPS transformer:

First,Multiple ferrite core options: EE, ETD, PQ, EI series

Second,Custom input & multi-output voltage (12V,24V,36V as standard)

Third,Adjustable pin distance, winding turns & insulation grade

Forth,Potting & encapsulated treatment for waterproof & anti-interference

 

FAQ

  • Q1: What is a SMPS transformer used for?

    A: SMPS transformer is the core magnetic component of switching mode power supply, used for voltage conversion and isolation in chargers and industrial power equipment.

  • Q2: Can you produce multi-output SMPS transformer like 12V 24V 36V?

    A: Yes, this model is our standard multi-output SMPS transformer, and we accept custom multi voltage output design.

  • Q3: What frequency does your SMPS transformer support?

    A: Our standard SMPS transformer works at 100kHz~300kHz, we can adjust according to your circuit design.

 

All our SMPS transformers comply with official IEC power electronics standards.

Details

 

ER35 High Frequency Flyback Transformer for Industrial SMPS

High-efficiency ER35 ferrite core flyback transformer for switching power supplies.

High Frequency Ferrite Core SMPS Transformer

EC28 ferrite core high frequency transformer for switching power supplies.

 

 

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