KP
KP phase-control thyristors
KP standard thyristors for phase-controlled rectification and industrial power conversion, with double-sided cooling. Match the current and voltage requirements to the trigger circuit and cooling conditions.
Fuzheng Electronic
Thyristors and power semiconductor assemblies
KP and KK thyristors, power module assemblies, and air- or water-cooled heatsinks for industrial power conversion.
Products
Start with the right device family.
Compare the device type, current and voltage class, package, and cooling arrangement before selecting a model.
20 Models
KP
KP high-voltage thyristors
High-voltage thyristors for controlled rectification, soft starting and industrial voltage regulation. Review voltage margins and series-connection requirements for the intended installation.
KK
KK fast thyristors
KK fast thyristors with short turn-off time and double-sided cooling for inverters and induction heating. Match switching performance to the actual circuit and cooling conditions.
MTC / MTX / MFC
Power module assemblies
Integrated thyristor power kits with standard forced-air cooling and triggering/protection controls for industrial applications. Select according to circuit topology and actual operating conditions.
SF
SF air-cooled heatsinks
Anodised aluminium heatsinks for double-sided clamping and cooling of high-power disc-type devices. Match the mechanical assembly and cooling arrangement to device losses and installation requirements.
SS
SS water-cooled heatsinks
High-thermal-conductivity metal heatsinks for double-sided water cooling and secure clamping of disc-type power devices. Match the mechanical assembly and cooling-water conditions to the application.
Application challenges we address
Select power devices and supporting assemblies for actual operating conditions, from industrial rectification and voltage control to medium- and high-frequency switching and device cooling.
Device selection for rectification and voltage control
KP standard thyristors are used in phase-controlled rectification, AC voltage control and motor speed control. Selection requires consideration of on-state current, voltage class, triggering and cooling conditions.
Matching high-voltage operating conditions
KP high-voltage thyristors are used in high-voltage phase-controlled rectification, soft starting and industrial voltage control. Particular attention is required for voltage margin, insulation coordination and voltage-sharing requirements when connecting multiple devices in series.
Matching medium- and high-frequency switching requirements
KK fast thyristors are used in inverters, induction heating and pulsed power supplies. Selection requires consideration of operating frequency, turn-off time, triggering conditions and losses.
Combining modules and supporting components
Module assemblies include thyristor modules, SF heat sinks, axial fans and supporting components for triggering and protection. Compatibility can be discussed based on electrical conditions, control signals and the installation environment.
Matching cooling and mechanical mounting requirements
SF air-cooled and SS water-cooled heat sinks support the cooling and mounting of disc-type devices. Configuration must be confirmed against power dissipation, clamping force, mounting dimensions and air- or water-cooling conditions.
Applications
From the circuit to the cooling system.
Device selection brings electrical loading, switching behaviour and heat removal together. Explore the considerations for your equipment.
Motor Speed Control and Industrial Drives
Gate trigger matching, controlled rectification and overload capability
View detailsIndustrial Rectifier Power Supplies
Voltage/current margin, surge capability and thermal resistance match
View detailsWelding Machines
High-current margin, surge withstand and cooling structure
View detailsHow our support process works
We provide product selection guidance, mounting and cooling compatibility advice, and technical issue handling after supply.
Discuss requirements and operating conditions
Please provide the model or drawings, quantity, voltage and current, operating frequency, cooling conditions, destination and intended use to clarify selection and supply requirements.
Provide product selection guidance
Based on application conditions and documentation for the relevant model, we advise on device families, electrical ratings, triggering requirements and switching characteristics.
Review mounting and cooling compatibility
We advise on compatible mounting and cooling configurations based on dimensional drawings, device losses, clamping requirements and on-site cooling conditions.
Confirm supply and documentation requirements
We discuss models, quantities and required technical and compliance documents, and confirm lead times, delivery and acceptance terms in the written quotation or order agreement.
Address after-sales technical issues
For technical issues after supply, please provide the order number, model, installation details and test records. We use this information for technical discussions and issue handling.
Recommendations must be confirmed against actual operating conditions; the equipment designer is responsible for complete equipment design and validation. Pricing, lead times, acceptance and warranty terms are subject to the written quotation or order agreement.
Quality
Technical decisions need evidence.
Review the available certificates and confirm the documents, model coverage and acceptance criteria required for your order.
Certification documents
Why choose Fuzheng Electronic
Product configurations, technical documentation and support processes provide verifiable information for procurement and engineering evaluation.
Power devices and matching cooling components
The product range includes KP standard and high-voltage thyristors, KK fast thyristors, module assemblies, and SF air-cooled and SS water-cooled heat sinks.
Model documentation you can cross-check
Check selection requirements against product specifications, catalogue PDFs and corresponding dimensional drawings. For each model, refer to the documentation sources and scope of applicability stated on its product page.
Quality documentation with a defined scope
An ISO 9001 quality management system certificate and LVD and EMC conformity documents are available for review. Conformity documents apply only to the models listed in them and do not replace compliance verification for other models or markets.
Technical support from selection through use
We provide selection, mounting and cooling compatibility advice and address technical issues after supply, giving procurement and engineering teams a clear point of contact.
Resources
Technical resourcesTechnical terms, heatsink selection and certification documents for component selection and project documentation review.
Technical terms
Understand current, voltage, triggering and thermal parameters.
View detailsHeatsink selection
Review cooling methods, mounting conditions and device losses.
View details
Certification documents
Consult the original certificates and their scope.
View detailsInsights
Practical guidance for power electronics.
Export Compliance Checklist for Power Semiconductor Purchasing
Explain the destination country, final end user, final end use and product specification data needed during RFQ compliance review.
Read articleHeatsink Selection for Power Semiconductor Modules
Review thermal resistance, ambient temperature, mounting surface, airflow and current derating when selecting air or water cooling heatsinks.
Read article
Rectifier Diodes and Modules: B2B Comparison Guide
Compare capsule rectifier diodes, diode modules, bridge rectifier modules and hybrid modules for B2B product direction review.
Read articleThyristor Selection Guide for Industrial Rectifier Systems
Explains how to review phase-control thyristor selection for industrial rectifier systems using voltage, current, surge, trigger and cooling conditions.
Read articleLet us review your next requirement.
Send the model or drawing, quantity, electrical conditions, cooling method and destination. Include your company name and the intended application.