Editorial Technical Reference

High Voltage Power Supply

This page explains how High Voltage Power Supply is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A specialized power supply unit that generates and regulates high voltage electrical output for the EFO (Electronic Flame-Off) Unit.

Product Specifications

Technical details and manufacturing context for High Voltage Power Supply

Definition
The High Voltage Power Supply is a critical component within the EFO (Electronic Flame-Off) Unit, responsible for converting standard input power into a precisely controlled high voltage output. This high voltage is essential for creating the electrical discharge or arc used in the flame-off process, which typically involves cutting, sealing, or treating materials through controlled electrical energy. The unit is designed for integration into industrial equipment, particularly in applications such as wire bonding or similar processes where precise electrical arcs are required. It operates from a universal input of 100–240 V AC at 50–60 Hz, with power factor correction, and delivers an adjustable output voltage of 10–30 kV DC and a regulated output current of 0.5–2.0 mA. Voltage regulation is maintained within ±1%, and ripple is kept below 0.5% to ensure a stable arc. The unit achieves an efficiency of at least 85% at full load and operates over a temperature range of 0–50°C, with derating above 40°C. It is designed for indoor use with an IP20 ingress protection rating per IEC 60529. The enclosure measures 200×120×300 mm (W x H x D) and weighs 3.5 kg, with natural convection cooling requiring no forced air. Key materials include a ferrite core transformer, copper windings, semiconductor devices (IGBTs/MOSFETs and diodes), ceramic or epoxy insulators, and an aluminum or steel enclosure. The power supply incorporates regulation and control circuits, often using switching technology such as PWM, to maintain stable output despite variations in load or input conditions. This ensures consistent performance of the EFO process. For procurement and verification, it is essential to confirm model-specific values and standards with the legal manufacturer or supplier, as the parameters listed are reference ranges for typical configurations.
Working Principle
The power supply typically uses a transformer to step up the input voltage to a high level, followed by rectification to convert AC to DC if required. It incorporates regulation and control circuits (often using switching technology like PWM) to maintain a stable, precise output voltage and current despite variations in load or input conditions, ensuring consistent performance of the EFO process.
Common Materials
Ferrite Core (for transformer), Copper Windings, Semiconductors (IGBTs/MOSFETs, Diodes), Ceramic/Epoxy Insulators, Aluminum/Steel Enclosure
Technical Parameters
ParameterTypical rangeNotes & selection driver
Output Voltage10–30 kV DCAdjustable for wire diameter and bonding requirements
Output Current0.5–2.0 mARegulated to ensure stable arc ignition
Voltage Regulation±1%Maintains consistent flame-off performance
Ripple<0.5 %Low ripple for stable arc
Input Voltage100–240 V ACUniversal input with PFC
Input Frequency50–60 HzAuto-ranging
Efficiency≥85 %At full load
Operating Temperature0–50 °CDerate above 40°C
Storage Temperature-20–70 °CNon-condensing environment
Relative Humidity20–80 % RHNon-condensing
Ingress ProtectionIP20Indoor use onlyIEC 60529
Dimensions (W x H x D)200×120×300 mmCompact for integration
Weight3.5 kgLightweight for mounting
Cooling MethodNatural convectionNo forced air required

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • High Voltage Transformer
    Steps up the input voltage to the required high voltage level.
    Material: Ferrite core, copper windings, insulating materials
  • Rectifier Circuit
    Converts the high voltage AC from the transformer to DC if required by the EFO process.
    Material: High voltage diodes, capacitors
  • Regulation/Control Circuit Part
    Monitors and adjusts the output to maintain stable voltage and current, often using feedback loops and switching elements.
    Material: Semiconductors (IGBTs, MOSFETs), control ICs, resistors, capacitors
  • Output Connector/Interface Part
    Provides the high voltage connection to the EFO unit's electrode or applicator.
    Material: Ceramic or high-grade polymer insulator, metal conductor
  • Cooling System
    Dissipates heat generated by power losses in the transformer and semiconductors.
    Material: Aluminum heat sinks, fans (if forced air cooling)

Application & selection

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar absolute
other spec: Humidity: 10-90% non-condensing, Input Voltage: 100-240V AC, 50/60Hz
temperature: -20°C to +60°C operating, -40°C to +85°C storage
Media Compatibility
✓ Clean dry air environments ✓ Nitrogen-purged enclosures ✓ Controlled industrial atmospheres
Unsuitable: High particulate or conductive dust environments
Sizing Data Required
  • Required output voltage range (kV)
  • Maximum output current (mA)
  • Required regulation accuracy (%)

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Insulation breakdown
Cause: Thermal degradation from prolonged high-load operation, contamination by dust/moisture, or manufacturing defects in dielectric materials leading to arcing and short circuits.
Component overheating
Cause: Poor heat dissipation due to blocked ventilation, aging cooling fans, or excessive ambient temperatures causing thermal stress on transformers, capacitors, and semiconductors.
Maintenance Indicators
  • Audible high-frequency buzzing or crackling from transformer/rectifier sections indicating arcing or loose connections
  • Visible discoloration, swelling, or leakage from capacitors/transformers showing thermal damage or dielectric fluid loss
Engineering Tips
  • Implement infrared thermography inspections quarterly to detect abnormal heat patterns in components before catastrophic failure
  • Maintain clean, climate-controlled environments with proper ventilation and humidity control to prevent contamination and thermal stress

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI C84.1 Electric Power Systems and Equipment - Voltage Ratings CE Marking (EU Directive 2014/35/EU for Low Voltage Equipment)

Quoted from the published standard.

Manufacturing Precision
  • Output Voltage Regulation: +/-1% of nominal voltage
  • Insulation Resistance: >1000 MΩ at 5000 VDC
Quality Inspection
  • High-Potential (Hi-Pot) Dielectric Withstand Test
  • Partial Discharge Measurement Test
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of High Voltage Power Supply

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Rugao Lian Tuo Electronics Co.,Ltd
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “High Voltage Power Supply Diode”
View source page ↗ electronic-diode.com · checked 2026-08-29
Shenzhen STHL Technology Co., Ltd.
Shenzhen, Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “High Voltage Power Supply P...”
View source page ↗ sthlpcba.com · checked 2026-09-13
Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
Xian, Shaanxi, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “DC High voltage Power Supply”
View source page ↗ xzhtest.com · checked 2026-09-14
Yangzhou Kaihong Power Technology Co., Ltd.
Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Dc high-voltage power supply”
View source page ↗ cn-hvps.com · checked 2026-09-17

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What is the output voltage range of this high voltage power supply?

The output voltage is adjustable from 10 to 30 kV DC, as listed in the reference parameters. However, the exact range for a specific model should be confirmed with the manufacturer or supplier.

What input power does the unit require?

The unit accepts a universal input of 100–240 V AC at 50–60 Hz, with power factor correction. This allows operation on various mains supplies, but always verify the input requirements for the specific model.

What is the operating temperature range?

The operating temperature range is 0–50°C, with derating above 40°C. For reliable operation, ensure the ambient temperature stays within these limits, and consult the manufacturer for derating details.

Is the unit suitable for outdoor use?

No, the unit is rated IP20 per IEC 60529, which indicates indoor use only. It is not protected against water ingress or dust, so it must be installed in a clean, dry environment.

Related equipment

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for High Voltage Power Supply.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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