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PCB Mount EPC19 High Frequency Transformer For Power Supply UL Certified

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PCB Mount EPC19 High Frequency Transformer For Power Supply UL Certified

Certification : UL Recognized (E332338), RoHS, REACH

Core Material : PC40 / PC44 Ferrite

Model Number : EPC19

Core Type : EPC19 Ferrite Core Horizontal

Price : US$0.16-0.5

Insulation Class : Class B / F / H

Supply Ability : 10,000,000pcs/month

Application : SMPS, Flyback, LED Driver, Adapter

MOQ : 1000pcs

Delivery Time : 3~4 Weeks

Winding Wire : Enameled Copper Wire / TIW Optional

Input voltage : Customise

Payment Terms : T/T

Place of Origin : China

Mounting Type : PCB Through Hole

Brand Name : Chipsen

Product Type : EPC series High Frequency Transformer

Packaging Details : Carton 1: 25.5 X 21.5 X 21cm. Carton 2: 43.5 x 24.5 x 21 cm

Output voltage : Customise

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PCB Mount EPC19 High Frequency Transformer for Power Supply UL Certified

The EPC19 high frequency transformer from CHIPSEN is a vertical PCB-mount switching power transformer built on an EPC19 ferrite core. Designed for compact SMPS, flyback and adapter circuits, it delivers stable energy transfer, low core loss and reliable insulation in a small footprint. Every unit is produced under a UL recognized file (E332338) and is fully customizable in turns ratio, inductance, pin configuration and output voltage to match your circuit design.

Key Features
  • EPC19 ferrite core – low core loss and high permeability for efficient high-frequency energy conversion.
  • Vertical PCB mount design – through-hole copper pins for stable soldering and space-saving board layout.
  • UL recognized construction – built with UL certified bobbin, magnet wire and insulation tape (File No. E332338).
  • Reinforced insulation – margin tape / triple insulated wire (TIW) options available for safety-critical designs.
  • Fully customizable – inductance, turns ratio, pin count, input/output voltage and power rating made to your drawing.
  • 100% tested – inductance, turns ratio, DCR, leakage inductance and Hi-Pot inspected before shipment.
Technical Specifications
Product Name EPC19 High Frequency Transformer
Model No. EPC19 series (e.g. EPC19-135-13186)
Core Type / Material EPC19 ferrite core (PC40 / PC44 or equivalent)
Mounting Type Vertical, PCB through-hole (THT)
Winding Wire Enameled copper wire / Triple insulated wire (TIW) optional
Inductance / Turns Ratio Customized to customer specification
Input / Output Voltage Customized to customer specification
Insulation Class Class B / F / H available
Certification UL recognized components, File No. E332338; RoHS & REACH compliant
Brand CHIPSEN
Place of Origin China
Service OEM / ODM, custom drawing accepted, free sample evaluation

Electrical parameters are built to order. Please send us your schematic or specification sheet for an exact quotation.

Typical Applications
  • Switch mode power supplies (SMPS) and flyback converters
  • AC/DC adapters, chargers and power modules
  • LED drivers and lighting power supplies
  • Home appliances, smart devices and IoT terminals
  • Industrial control boards and instrumentation power stages
  • Communication equipment and set-top boxes
Customization Service

Send us your circuit diagram, sample or specification sheet and our engineering team will recommend the optimal core, wire gauge and winding structure. We support adjustment of inductance, turns ratio, pin layout, bobbin type, creepage distance and safety insulation to meet UL / IEC design requirements. Engineering samples are normally available within a short lead time after drawing confirmation.

Quality Control
  • Incoming inspection of ferrite cores, bobbins, wire and tape
  • In-process control of winding turns, layer insulation and soldering
  • 100% electrical test: inductance, turns ratio, DCR, leakage inductance
  • Hi-Pot (dielectric withstand) test on every piece
  • Appearance and dimension inspection before packing
Packaging & Shipping

Anti-static tray or blister packing, inner carton with moisture barrier, outer export carton. Shipment by express (DHL / FedEx / UPS), air freight or sea freight according to your order quantity and urgency.

FAQ
Q1: Can you make the transformer according to my own drawing?
Yes. OEM / ODM is our main business. Send your drawing or sample and we will quote accordingly.
Q2: Is a sample available before mass production?
Yes, engineering samples are available for evaluation. Sample cost can be discussed based on the project.
Q3: Are the materials UL certified?
Yes. The transformer is built with UL recognized bobbin, magnet wire and insulation tape under file number E332338.
Q4: What information do you need for a quotation?
Circuit topology, input/output voltage and current, switching frequency, inductance and turns ratio, pin layout, and annual quantity.
Contact us today with your specification and get a professional solution for your EPC19 high frequency transformer project.
PCB Mount EPC19 High Frequency Transformer For Power Supply UL Certified PCB Mount EPC19 High Frequency Transformer For Power Supply UL Certified

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