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High-Energy Components

High-energy resistor systems for grid, mobility, and energy storage OEMs.

Songhao Pte. Ltd. co-develops ceramic carbon, metal oxide varistors, thick film, and water-cooled assemblies that dissipate extreme loads with documented performance.

15+

Product families

4 weeks

Custom lead time

800+

Daily assemblies

Core Competencies

  • Thermal design, stress simulation, and liquid cooling integration.
  • Low inductance, high voltage resistors for pulsed power and FACTS systems.
  • Custom packaging for marine, rail, industrial automation, and energy storage.

Need a special load profile?

Share current, voltage, and duty cycle requirements. Our engineers will respond with a tailored section design, datasheet, and thermal analysis.

Co-engineered specifications

Direct access to resistor, ceramic, and thermal engineers for simulations, stack-ups, and qualification test plans.

Documentation & compliance

Process control plans, PPAP-style traceability, and environmental documentation aligned with IEC, GB, and MIL specs.

Build-to-order logistics

Localized packaging, bonded inventory, and project-based shipping windows to keep ESS, rail, and data center builds on schedule.

Sustainable manufacturing

Closed-loop water systems and material reclamation programs reduce waste for high-volume resistor production.

Product Series

Functionally critical components along the entire energy value chain.

From ceramic carbon to water-cooled assemblies, every series is engineered for repeatable pulse loading, fast thermal recovery, and long service life.

EAK

Ceramic Carbon Resistors

High temperature, high power resistors built from ceramic matrices and carbon elements for pulse absorption and braking systems.

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Ceramic Carbon Resistors

EAK

Metal Oxide Varistors

Fast-response over-voltage suppression components that safeguard power electronics from transient spikes.

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Metal Oxide Varistors

EAK

Power Thick Film Resistors

High-density flat and cylindrical resistors engineered to dissipate extreme loads with excellent stability.

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Power Thick Film Resistors

EAK

Water-Cooled Components

Liquid-cooled resistor assemblies that keep megawatt systems stable under continuous stress.

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Water-Cooled Components

Industry programs

Where EAK assemblies ship today.

From grid-level damping to immersion-cooled validation labs, each deployment receives tailored engineering support and documented performance envelopes.

Grid & FACTS projects

Grid & FACTS projects

High-voltage ceramic carbon and thick-film stacks for damping, discharge, and voltage sensing inside GIS yards and STATCOM yards.

  • ±0.5% ratio stability
  • Factory dielectric testing to 90 kV
  • IEC 60099 & GB/T documentation
Energy storage & data centers

Energy storage & data centers

Liquid-cooled dummy loads, modular rack systems, and immersion-ready resistors to validate ESS, UPS, and liquid cooling programs.

  • 500 kW–1 MW continuous
  • ΔT telemetry & flow control
  • Rack, skid, or cabinet packaging
Transportation electrification

Transportation electrification

Pulse-tolerant resistors for traction braking, charging infrastructure, and on-board diagnostics where weight and response time matter.

  • Low inductance <15 nH
  • Vibration-qualified housings
  • Rapid prototyping for OEM trials
Test labs & OEM validation

Test labs & OEM validation

Configurable sample kits, datasheets, and fixtures that help labs qualify resistor stacks for aerospace, medical, and industrial programs.

  • Custom fixtures & harnessing
  • Thermal modelling support
  • CofC, PPAP, and FA reports

Recommended Product

R&D-grade resistors ready for production programs.

Curated devices that highlight our capabilities across ceramic carbon, thick film, and advanced liquid-cooled assemblies.

High-Power Carbon Composite Energy Absorbing Resistor

Ceramic Carbon

High-Power Carbon Composite Energy Absorbing Resistor

PCB-mount carbon composition resistor engineered for pulse absorption and braking systems that demand excellent thermal stability.

  • Energy absorption 1200 J
  • Reflow-capable terminals
Pulse duty PCB ready
View specification
KP290~298 Power Wire Wound Resistors

Accessories

KP290~298 Power Wire Wound Resistors

High-reliability wire-wound modules for industrial automation, grid infrastructure, and precision current limiting.

  • Dielectric ≥ 35 kV
  • Silicone encapsulation
High power Wire wound
View specification
AEP65/20A-100R-5% High Voltage Pulse Resistor

Thick Film

AEP65/20A-100R-5% High Voltage Pulse Resistor

Low-inductance flat resistor capable of handling 60 kV pulses, ideal for HV dividers and FACTS applications.

  • Inductance < 12 nH
  • Copper or aluminium spreaders
≤60 kV Low inductance
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Rack-Mounted Liquid-Cooled Load

Water-Cooled

Rack-Mounted Liquid-Cooled Load

6U rack system with modular cartridges that dissipates megawatt-scale heat using closed-loop liquid cooling.

  • 6U chassis, 500 kW continuous
  • CAN-enabled telemetry
Liquid cooling Modular
View specification

EAK Resistors

SONGHAO PTE. LTD. engineers ceramic carbon resistors, water-cooled assemblies, and custom thick-film solutions used across energy, transportation, and industrial automation.

Our ceramic carbon portfolio is known for thermal stability and precise pulse handling, while the liquid-cooled systems maintain continuous operation under megawatt loads.

A dedicated engineering team and ISO-aligned manufacturing allow us to deliver tailored designs, documentation, and lifetime support for every deployment.

  • ISO-aligned production with 200,000 m² manufacturing footprint and closed-loop cooling systems.
  • Application engineers who provide simulation files, thermal models, and wiring guidance for every design-in.
  • Dedicated QA staff generating PPAP-style dossiers, environmental reports, and lifetime traceability.
View capabilities

15+

Product families

4 weeks

Custom lead time

800+

Assemblies packed daily

Tested to global standards

IEC, GB/T, and MIL procedures are baked into every FAT, including dielectric withstand, surge, and HALT for liquid-cooled units.

Complete reports delivered with each shipment.

Engineering-white glove

Thermal simulation files, wiring diagrams, and section drawings shared directly with OEM design teams for faster integration.

Average quote-to-design cycle: 4 weeks.

Proven in live deployments

Technology operating in STATCOM yards, ESS validation labs, rail braking choppers, and hyperscale data centers across APAC & EU.

Dedicated regional support contacts.

Our Solution

Energy, mobility, and data infrastructure projects delivered with EAK hardware.

Case studies that demonstrate how our resistor systems stabilize grids, validate cooling platforms, and power industrial OEM programs.

CT-Grade Thick-Film HV Resistors for 36 kV GIS Voltage Sensor

CT-Grade Thick-Film HV Resistors for 36 kV GIS Voltage Sensor

Precision thick-film stacks that maintain stability inside gas-insulated switchgear voltage sensors.

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Liquid-Cooled Dummy Load for Data Center UPS Testing

Liquid-Cooled Dummy Load for Data Center UPS Testing

500 kW modular rack dissipates UPS discharge energy with closed-loop thermal management.

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Immersion Load Bank for Liquid Cooling Validation

Immersion Load Bank for Liquid Cooling Validation

Immersion-ready dummy cabinet used to validate dielectric fluids and IT integration.

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News & analysis

Insight for engineering and sourcing teams.

Field reports, application notes, and procurement guidance for high-energy resistor projects.

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