Welcome to Ecer
Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Consent Do not consent
China factories

Chat Now Send Email
China factory - Dongguan Chipsen Electronics Technology Co., Ltd.

Dongguan Chipsen Electronics Technology Co., Ltd.

  • China,Dongguan ,Guangdong
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
  1. Home>
  2. High Frequency SMPS Transformer>
  3. Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies
China Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies
China Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies

  1. China Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies
  2. China Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies
  3. China Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies

Compact Efficient EC39 HF Power Transformer Low DCR Stable Power Supplies

  1. MOQ： 1K
  2. Price： ＄8.5-11.8/pieces
  3. Get Latest Price
Input voltage 85V - 265V AC
Frequency range 20kHz - 500kHz
Delivery Time 7-14 work days (Negotiable)
Core material Ferrite
Payment Terms T/T
Operating temperature -40°C to +125°C
Supply Ability 10000pcs
Isolation voltage 3000V AC
Power rating 5W - 500W
Certification UL/cUL Class B/F/H, VDE, CQC
Model Number EC39
Brand Name CHIPSEN
Place of Origin China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal

Explore similar products

  1. China Custom EE25 Ferrite Core Transformer For Industrial LED Driver Power

    Custom EE25 Ferrite Core Transformer For Industrial LED Driver Power

    Chat online Now
  2. China EP7 Mini SMPS Pulse Transformer Excellent EMI Shielding Custom SMD PCB Mount

    EP7 Mini SMPS Pulse Transformer Excellent EMI Shielding Custom SMD PCB Mount

    Chat online Now
  3. China EP13 12V 24V High Frequency SMPS Transformer For Power Supply Telecom And

    EP13 12V 24V High Frequency SMPS Transformer For Power Supply Telecom And

    Chat online Now
  4. China Custom EE19 Ferrite Core High Frequency SMPS Transformer For Industrial Power

    Custom EE19 Ferrite Core High Frequency SMPS Transformer For Industrial Power

    Chat online Now
  1. Product Details
  2. Company Details

Product Specification

Input voltage 85V - 265V AC Frequency range 20kHz - 500kHz
Delivery Time 7-14 work days (Negotiable) Core material Ferrite
Payment Terms T/T Operating temperature -40°C to +125°C
Supply Ability 10000pcs Isolation voltage 3000V AC
Power rating 5W - 500W Certification UL/cUL Class B/F/H, VDE, CQC
Model Number EC39 Brand Name CHIPSEN
Place of Origin China
High Light EC39 hf power transformer ，Low DCR hf power transformer ，500W high frequency transformer
Compact Efficient EC39 High Frequency Transformer
Low DCR Stable Power Supplies
Product Overview
The values below are common international buyer inquiry references and starting points for engineering discussion. They are not fixed or guaranteed ratings for every EC39 transformer. Final requirements are confirmed through the approved specification, drawing, material system, and customer sample-validation process.
Industry Typical Application Typical Input Requirement Typical Output Requirement Typical Power Inquiry Frequency Key Parameters Evaluated Safety and Environmental Focus Available Customization
Industrial automation Isolated SMPS power for PLC controllers drives and control boards Switched excitation derived from 12 V 24 V or 48 V DC or a rectified AC bus 5 V 12 V 15 V 24 V 36 V 48 V or multiple outputs Approximately 15 W to 120 W Commonly 30 kHz to 300 kHz Inductance turns ratio leakage DCR peak current regulation EMI and temperature rise Industrial insulation creepage clearance vibration and cabinet temperature Gap winding sequence conductor shield pinout leads insulation and test limits
Emergency power and UPS Battery converter auxiliary supply gate drive and charger control Battery or high-voltage DC bus with customer-defined waveform 12 V 15 V 24 V 48 V or multiple isolated rails Approximately 30 W to 200 W Commonly 30 kHz to 250 kHz Peak current flux margin leakage DCR efficiency isolation and temperature rise Continuous standby surge environment and thermal endurance Low-loss material precision gap low-DCR winding multiple outputs and reinforced insulation
Energy storage systems PCS auxiliary power BMS supply gate drive and controls Battery or rectified high-voltage bus through the specified topology Isolated control rails or application-specific power outputs Approximately 30 W to 250 W Commonly 40 kHz to 300 kHz Capacitance isolation leakage DCR saturation margin EMI and thermal stability High-voltage separation surge cabinet environment and traceability Low-capacitance winding shield reinforced insulation foil leads and potting
Battery chargers Main or auxiliary transformer for industrial chargers 12 V to 72 V DC or rectified 85 V to 265 V AC depending on architecture Customer-specified charging or auxiliary output Approximately 30 W to 250 W Commonly 40 kHz to 250 kHz Inductance peak current leakage DCR regulation insulation and losses Creepage clearance dielectric strength surge and thermal margin Topology-specific gap turns ratio litz wire foil shield insulation and pin layout
Telecom and networking Converter transformer for communication equipment Common 24 V or 48 V DC bus or rectified-input converter 5 V 12 V 24 V 48 V or multiple regulated rails Approximately 20 W to 150 W Commonly 50 kHz to 300 kHz DCR leakage capacitance EMI regulation and footprint Isolation EMC support cabinet temperature and reliability Low-capacitance winding shield interleaving custom ratio pinout and leads
Data center power electronics Server auxiliary converters and gate-drive circuits PFC DC bus battery bus or auxiliary converter stage Isolated housekeeping control or gate-drive rails Approximately 20 W to 200 W Commonly 50 kHz to 300 kHz Leakage AC and DC resistance capacitance core loss and thermal path Insulation coordination traceability and temperature cycling Controlled leakage foil winding shield custom pins leads and test tolerances
EV charging equipment Auxiliary SMPS control power and gate-drive power Rectified mains DC link or low-voltage auxiliary bus 12 V 15 V 24 V or multiple isolated outputs Approximately 20 W to 200 W Commonly 40 kHz to 250 kHz Isolation leakage capacitance DCR peak current EMI and temperature rise Charger insulation surge humidity vibration and traceability Reinforced insulation shield low-capacitance winding custom leads and potting
Medical equipment Power for diagnostic monitoring and laboratory subsystems Customer-defined converter bus and switching waveform Application-specific isolated outputs Approximately 20 W to 150 W Commonly 40 kHz to 250 kHz Creepage clearance dielectric strength capacitance and temperature rise Coordination with applicable medical end-equipment requirements Reinforced insulation triple-insulated wire shield custom spacing and documented tests
HVAC and industrial controls Drive auxiliary supply and motor-control electronics Rectified mains DC link or 24 V to 48 V DC auxiliary bus Control fan relay sensor or gate-drive outputs Approximately 20 W to 150 W Commonly 30 kHz to 250 kHz Saturation margin DCR leakage regulation EMI and vibration resistance Industrial temperature humidity surge and pollution degree Multi-output design shield gap leads potting and mechanical reinforcement
Major customizable parameters include converter topology, input-voltage range, output voltage and current, operating power, switching frequency, duty cycle, primary inductance, turns ratio, air gap, peak current, saturation margin, leakage inductance, DCR, interwinding capacitance, ferrite material, conductor system, winding sequence, shielding, insulation, dielectric strength, creepage, clearance, pin assignment, flying leads, dimensions, temperature rise, marking, and production tests.
Product Description
The EC39 is a high-frequency ferrite transformer platform intended for switched-mode power supplies, isolated DC DC converters, auxiliary power, battery chargers, gate-drive supplies, industrial power electronics, and other high-frequency conversion applications.
The supplied image shows a taped EC-core transformer mounted on a multi-pin through-hole bobbin with several flying leads. The visible construction supports PCB mounting together with external lead connections. Exact pin count, lead functions, core material, winding arrangement, and dimensions must be confirmed by the approved drawing.
EC39 identifies the approximate magnetic platform and does not define a universal power, voltage, current, frequency, or insulation rating. Final capability depends on:
  • Converter topology
  • Input-voltage range
  • Switching waveform and frequency
  • Duty cycle
  • Flux-density limit
  • Ferrite material
  • Air gap
  • Winding arrangement
  • Conductor size
  • Rectification method
  • Allowable losses
  • Cooling conditions
  • Ambient temperature
  • Insulation requirements
  • Permitted temperature rise
Required development information includes topology, minimum and maximum input voltage, switching frequency, duty cycle, output voltage and current, primary inductance, turns ratio, peak and RMS current, leakage and DCR limits, capacitance target, isolation voltage, creepage and clearance, ambient temperature, cooling, dimensions, pins, flying leads, and test requirements.
Product Construction
Construction Item EC39 Customization Reference
Magnetic platform EC39 ferrite-core platform or approved equivalent selected according to frequency flux density losses and thermal requirements
Core material High-frequency ferrite grade selected according to waveform frequency temperature and loss target
Bobbin Multi-pin through-hole bobbin selected for winding space pin layout creepage clearance and PCB mounting
Pin configuration Multiple PCB pins are visible but exact count pitch and assignment require drawing confirmation
Flying leads Insulated flying leads with customizable gauge rating length color stripping connectors and electrical functions
Winding conductor Enameled wire parallel conductors litz wire copper foil or triple-insulated wire
Winding arrangement Layered interleaved sectional bifilar or separated structure
Insulation system Bobbin tape margin barriers sleeving triple-insulated wire and lead insulation
Shielding Optional electrostatic shield flux band or shield winding
Air gap Ungapped distributed-gap or precision center-gap construction
Core fixing Tape adhesive clamp or approved bonding process
Impregnation and potting Varnish partial potting or encapsulation according to thermal and environmental requirements
Traceability Custom model winding identification date code lot code and customer label
Final core outline, bobbin dimensions, height, pin pitch, PCB footprint, lead length, and tolerances must be confirmed by the approved drawing.
Product Characteristics
High Frequency Power Conversion: The EC39 platform can support flyback, forward, push-pull, half-bridge, full-bridge, resonant, and other customer-specified topologies when developed for the actual waveform and operating conditions.
Application Specific Electrical Design: Primary inductance, turns ratio, air gap, conductor system, and winding sequence can be developed around the customer's input range, output requirements, peak current, switching frequency, losses, and thermal objectives.
Low DCR and Winding Loss Options: Conductor diameter, parallel wire, litz wire, copper foil, winding length, and terminal arrangement can be reviewed to reduce DC and AC winding losses within the available winding window.
Controlled Leakage and Capacitance: Interleaving can reduce leakage inductance, while separated windings and insulation barriers can reduce capacitance or increase safety spacing. The final structure must balance these potentially conflicting objectives.
EMI Oriented Construction: Winding sequence, electrostatic shielding, interwinding capacitance, return paths, and terminal orientation can be adjusted to support EMC optimization. Compliance must be verified in the complete converter.
Multiple Output Capability: Multiple secondary and auxiliary windings may be developed when winding space, cross-regulation, insulation, and thermal limits permit.
Thermal and Mechanical Stability: Ferrite loss, copper loss, proximity effect, skin effect, air gap, core fixing, ambient temperature, airflow, duty cycle, and enclosure conditions are reviewed together.
Applications
  • Industrial switched-mode power supplies
  • PLC and automation control power
  • Emergency-power and UPS converters
  • Energy-storage PCS auxiliary power
  • Battery-management-system supplies
  • Industrial battery chargers
  • Isolated DC DC converter modules
  • EV charging equipment
  • Isolated gate-drive power supplies
  • Telecom and networking converters
  • Data-center auxiliary power
  • HVAC and variable-speed-drive electronics
  • Medical equipment power supplies
  • Robotics and industrial machinery
  • Multiple-output flyback and forward converters
  • Half-bridge full-bridge and resonant converters
Suitability must be confirmed according to the actual electrical, thermal, mechanical, environmental, and safety conditions.
Quality Control
Incoming Material Inspection: Inspection may cover ferrite cores, bobbins, copper wire, litz wire, foil, insulation tape, sleeving, leads, terminals, shielding materials, adhesives, potting compounds, labels, and supplier documentation.
Design Review: Engineering review can evaluate topology, frequency, volt-second conditions, flux density, inductance, peak current, saturation margin, core loss, turns ratio, conductor selection, winding fill, leakage, capacitance, DCR, insulation, creepage, clearance, and temperature rise.
In Process Control: Controls may include turns counting, winding direction, sequence, tension, conductor arrangement, insulation placement, lead routing, pin soldering, shield installation, core gap, core assembly, fixing, impregnation, potting, and workmanship inspection.
Electrical Testing: Tests may include:
  • Inductance
  • Turns ratio and polarity
  • Winding DCR
  • Leakage inductance
  • Dielectric strength
  • Insulation resistance
  • Interwinding capacitance
  • Shorted-turn screening
  • Functional converter testing
Test frequency, voltage, bias, limits, duration, sampling level, and testing frequency must follow the approved test plan.
Mechanical Inspection: Inspection may cover core and bobbin outline, package height, pin pitch, alignment, terminal condition, lead length, lead color, stripping, connectors, labels, core fixing, and PCB-footprint compatibility.
Sample Validation: Samples should be tested in the customer's converter across minimum and maximum input, no load, full load, switching-frequency range, startup, transient, fault, ambient temperature, and cooling conditions.
Validation may include waveforms, peak current, flux margin, regulation, efficiency contribution, temperature rise, EMI behavior, and insulation testing.
Traceability: Material lots, ferrite batches, winding batches, gap records, test results, and engineering changes can be controlled according to approved project requirements.
Product Image
EC39 High Frequency Transformer showing taped EC-core construction with multi-pin through-hole bobbin and flying leads
Important Note: The EC39 model or ferrite-core platform does not by itself define a fixed power, voltage, current, frequency, insulation, or thermal rating. Final performance is confirmed only through the approved drawing, electrical specification, material system, test plan, and customer sample-validation process.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2007

  • Total Annual:

    28820000-29820000

  • Employee Number:

    400~450

  • Ecer Certification：

    Verified Supplier

Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ... Chipsen Electronics - Supplier to Fortune Global 500 Companies Magnetic Components Engineered for Performance & Reliability Founded in 2007, Dongguan Chipsen Electronics Technology Co., Ltd. is a professional manufacturer specializing in magnetic components and micro switches. ...

+ Read More

Get in touch with us

  • Reach Us
  • Dongguan Chipsen Electronics Technology Co., Ltd.
  • No. 234, Changhuang Road, Changping Town, 523586, Dongguan, Guangdong, China
  • https://www.chipsen.net/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement

Trade Alert - Delivering the latest product trends and industry news straight to your inbox.

Home Categories About Us
RFQ Report IPR products Privacy Policy Sitemap

© 2026 Chinax.com. All rights reserved.