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UPS Low Loss High Isolation ER42 High Frequency LLC Stable Compact

Place of Origin: China
Brand Name: CHIPSEN
Certification: UL/cUL Class B/F/H, VDE, CQC
Model Number: ER42
Minimum Order Quantity: 1K
Price: $1.35-2.68/pieces
Delivery Time: 7-14 work days (Negotiable)
Payment Terms: T/T
Supply Ability: 10000pcs
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Specifications
Highlight Features

UPS High Frequency LLC

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ER42 High Frequency LLC

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Low Loss frequency transformer

Input Voltage Range:
300 To 420 VDC
Output Voltage:
12 V, 15 V, 24 V, 48 V
Switching Frequency:
50 To 150 KHz
Power Range:
80 To 250 W
Core Material:
Ferrite
Primary Inductance:
Customizable
Product Description
Low Loss High Isolation ER42 High Frequency Transformer Stable Compact for UPS
Customizable ferrite magnetic component designed for isolated energy transfer, voltage conversion, auxiliary power, and control-power applications in switch-mode power supplies.
Industry Applications & Specifications
Industry Typical Application Typical Power Switching Frequency Key Parameters
UPS and Emergency Power Control power, monitoring, fan supply, inverter auxiliary power 80-250W 50-150kHz Primary inductance, turns ratio, leakage inductance, DCR
Solar Inverter Gate-driver power, control-board power, communication supply 80-250W 50-150kHz Core loss, copper loss, flux density, saturation margin
Energy Storage PCS BMS communication, gate-driver control, bidirectional converter 100-250W 50-150kHz Inductance stability, coupling, DCR, thermal performance
Industrial Automation PLC, HMI, I/O modules, industrial gateways, relay controls 60-200W 50-200kHz Voltage regulation, cross regulation, primary inductance
EV Charging Equipment Charging controller, communication module, gate-driver supply 80-250W 70-180kHz Peak current, saturation margin, leakage inductance
Product Construction
Construction Item Standard Reference or Custom Option
Core Platform ER42 ferrite core
Core Material Application-specific ferrite material
Primary Conductor Magnet wire, multi-strand wire, Litz wire, or foil
Secondary Conductor Magnet wire, multi-strand wire, Litz wire, foil, or triple-insulated wire
External Connection PCB pins, insulated cables, flexible leads, lugs, or ring terminals
Mounting Vertical PCB platform, bracket-mounted assembly, or custom cable-connected construction
Key Characteristics
  • High Isolation Capability with winding separation and insulation barriers
  • Low Core and Copper Loss through optimized materials and design
  • Low DCR Options using parallel conductors and specialized wiring
  • Controlled Leakage Inductance for converter topology optimization
  • Low Interwinding Capacitance through sectional winding and shielding
  • Multiple Isolated Outputs for complex power requirements
  • Custom Flying Leads and Terminals for direct industrial integration
  • Stable Electrical Performance with controlled parameters
  • Low Audible Noise Options through optimized construction
  • Thermal Design Flexibility for various operating conditions
  • Durable Mechanical Construction for industrial environments
Applications
The ER42 High Frequency Transformer can be developed for:
  • UPS auxiliary power and emergency power systems
  • Solar inverters and energy storage converters
  • EV charging equipment and battery energy storage systems
  • Industrial automation, servo drives, and robotics equipment
  • Telecom power systems and network equipment
  • Medical equipment power supplies and laboratory instruments
  • Welding equipment and industrial switch-mode power supplies
  • Bidirectional DC-DC converters and power-module control circuits
Quality Control
Comprehensive quality assurance including:
  • Incoming Material Inspection of all critical components
  • Design Review of electrical and mechanical requirements
  • In-Process Control during manufacturing
  • Electrical Testing of all performance parameters
  • Mechanical Inspection of dimensions and construction
  • Sample Validation in actual operating conditions
  • Complete Traceability throughout production
Why Choose Chipsen
  • Application-Specific Customization for your exact requirements
  • OEM and ODM Support with comprehensive customization options
  • Drawing and Sample-Based Development for precise specifications
  • Engineering Collaboration for optimal technical solutions
  • Custom Connection Support for various installation methods
  • Prototype Support with flexible minimum order quantities
  • Responsive Project Handling with quick turnaround times
  • Warranty Support from 5 to 20 years based on application
  • Controlled Specification Process for consistent quality
Frequently Asked Questions
Is ER42 a fixed power rating?
No. ER42 identifies the ferrite core platform. Actual power capability depends on topology, input voltage, switching frequency, duty cycle, flux density, winding structure, output current, cooling conditions, and allowable temperature rise.
What information is required for quotation?
Please provide input-voltage range, converter topology, switching frequency, duty cycle, output voltages, output currents, power requirements, primary inductance, turns ratio, leakage limit, DCR limits, isolation voltage, operating temperature, cable length, terminal type, and mechanical drawing.
Can the ER42 input and output voltages be customized?
Yes. Primary, secondary, and auxiliary windings can be designed according to the required input range, output voltage, current, polarity, and regulation.
Can ER42 support multiple isolated outputs?
Yes. Multiple independent secondary and auxiliary windings can be developed. The voltage, current, isolation, polarity, and load profile of every winding should be specified.
What is the MOQ?
The MOQ shown for this ER42 product is 100 pieces. Final prototype and production quantities depend on materials, terminals, cables, construction, and project requirements.
Product Images
ER42 High Frequency Transformer with custom cable and terminal configuration Close-up view of ER42 transformer showing winding details and construction
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