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Thyristors
  • Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
  • Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
  • Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
  • Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
  • Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
  • Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor
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Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor

  • >= 10 Pieces
    $22.50

Customization:

Customized packaging（Min.Order: 100 pieces）
Customized logo（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
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Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Control: Designed to handle 400A (max hold current) and 1600V (peak voltage), enabling precise phase control in power electronics for applications like motor control, power conversion, and high-power switching.
  • Unidirectional Current Flow: Operates as a unidirectional semiconductor device, ideal for rectifier and inverter circuits where controlled current direction is critical.

Key features

  • 1. Material Technology

    • With a ceramic body, ensure high thermal conductivity and insulation, outperforming plastic alternatives in harsh industrial environments*.

  • 2. Interactive Design

    • With a standardized cylindrical design featuring metallic contacts, easily integrate into power electronics systems for seamless connectivity and faster installation than non-standard components*.

  • 3. Performance Parameters

    • With a 400A/1600V rating, handle high-power applications like motor control and power conversion, exceeding the capacity of standard thyristors by up to 30%*.

  • 4. Scenario Solutions

    • Designed for phase control applications, optimize power distribution in industrial systems such as inverters and rectifiers, enhancing efficiency compared to generic solutions*.

  • 5. Certification Standards

    • Built with robust construction standards, ensuring durability and reliability in commercial use, surpassing lower-quality alternatives in long-term performance*.

Product details

Disc Thyristor SCR KP400A1600V Thyristor Module KP400A Control Thyristor

The KP400A1600V Disc Thyristor is a high-power semiconductor device designed for applications requiring robust current and voltage handling. Constructed from ceramic material for superior thermal conductivity and insulation, this thyristor features a cylindrical design with unidirectional current flow capability, making it ideal for phase control, motor control, and power conversion systems.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCeramicEnsures durability and efficient heat dissipation in industrial environments
Current Rating400A (Hold Current)Supports high-power circuits like inverters and rectifiers
Voltage Rating1600VSafeguards against overvoltage in power conversion systems
Off-State Current≤150mA (Max)Minimizes leakage in standby or low-power modes
Unidirectional FlowSingle-direction conductionEnables precise phase control in AC circuits

Customization guide

Adjustable parameters include current/voltage ratings and packaging configurations to meet specialized needs such as high-temperature environments or compact mounting requirements.

Get inspired

With its 1600V/400A capacity and ceramic construction, this thyristor is perfect for industrial machinery, renewable energy inverters, and grid stabilization systems. Its unidirectional design ensures reliable control in AC/DC conversion scenarios.

Choose your model

ParameterBase Model (KP400A1600V)Advanced ModelPro Model
Current Rating400A460A (+15%)520A (+30%)
Voltage Rating1600V1600V1800V (+12.5%)
Thermal Resistance0.5°C/W0.4°C/W (-20%)0.3°C/W (-40%)

Supplier's note

  1. Technical Breakthroughs:

    • Ceramic Material: Enhances thermal stability by 30% compared to plastic-encapsulated thyristors.
    • 400A/1600V Rating: Exceeds industry standards for motor control applications, reducing system downtime.
    • Unidirectional Design: Enables seamless integration into phase-controlled circuits without additional diodes.

  2. Version Selection Guide:

    • Base Model: Ideal for standard industrial applications (e.g., HVAC systems) where 400A suffices.
    • Advanced Model: Recommended for high-current scenarios like electric vehicle charging stations (+15% current capacity).
    • Pro Model: Best for extreme environments (e.g., wind turbines) requiring 1800V resilience and 520A handling.

With the Pro version’s 1800V rating, you can safely handle voltage spikes in renewable energy grids. Pair its low thermal resistance with forced-air cooling to achieve 20% faster heat dissipation than traditional models.

Frequently asked questions

  • Which thyristor model suits high-power applications like motor control?

  • How to clean and maintain a KP400A1600V thyristor module?

  • Ceramic vs Metal Housing: Which is better for thyristors?

  • Can the KP400A1600V thyristor be customized for specific ratings?

  • Is the KP400A1600V compliant with industrial safety standards?

  • What makes the KP400A1600V suitable for phase control circuits?

  • How does the KP400A1600V handle high-temperature environments?

  • Can I use the KP400A1600V for custom power conversion projects?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Current Rating (On-State)Industrial motor control, power suppliesIndustry Standard: 300A (IEC 60747-6)
Our Base: 400A (▲133% ▲)
Our Advanced: 500A (▲167% ▲▲)		Handles high-power applications like industrial machinery.
Our Advanced: Supports extreme load conditions.		Higher ratings increase cost and require robust cooling systems.
Voltage RatingPower grids, invertersIndustry Standard: 1200V (IEC 60747-6)
Our Base: 1600V (▲33% ▲)
Our Advanced: 2000V (▲67% ▲▲)		Safe for high-voltage systems (e.g., renewable energy grids).
Our Advanced: Mitigates overvoltage risks.		Requires thicker insulation, adding bulk.
Thermal DissipationContinuous operation in harsh environmentsIndustry Standard: Aluminum heatsink (100 W/m·K)
Our Base: Ceramic (150 W/m·K ▲50% ▲)
Our Advanced: Diamond (200 W/m·K ▲100% ▲▲)		Ceramic reduces thermal resistance by 50% vs. aluminum.
Our Advanced: Maintains performance in extreme heat.		Ceramic may be more fragile; diamond substrates are cost-prohibitive.
Switching SpeedReal-time control systemsIndustry Standard: 100 ns (IEC 60747-6)
Our Base: 80 ns (▲20% ▲)
Our Advanced: 50 ns (▲50% ▲▲)		Faster response for precise phase control in HVAC.
Our Advanced: Reduces switching losses by 30%.		Slower speeds may cause energy inefficiency.
Hold CurrentPhase-angle control circuitsIndustry Standard: 200 mA (IEC 60747-6)
Our Base: 250 mA (▲25% ▲)
Our Advanced: 300 mA (▲50% ▲▲)		Ensures stable operation in variable load conditions.
Our Advanced: Prevents premature turn-off in high-resistance loads.		Lower ratings risk unintended switching in fluctuating systems.
Package TypeHigh-reliability applicationsIndustry Standard: TO-220 (moderate thermal)
Our Base: Cylindrical ceramic ▲
Our Advanced: Insulated metal substrate (IMS) ▲▲		Ceramic package improves thermal stability vs. plastic.
Our Advanced: IMS combines thermal efficiency with ruggedness.		Custom mounting brackets may be required for non-standard packages.

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