SKKH 570/18 E
SKKH 570/18 E
SKKH 570/18 E
SKKH 570/18 E
SKKH 570/18 E
SKKH 570/18 E
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SKKH 570/18 E

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SEMIKRON SKKH 570/18 E is a 570 A, 1800 V SEMIPACK 5 thyristor/diode rectifier module that switches and rectifies high-current power in industrial converter circuits.
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Technical specifications for SKKH 570/18 E

  • Manufacturer:
    SEMIKRON
  • Part Number:
    SKKH 570/18 E
  • Product Family:
    SEMIKRON
  • Product Type:
    1800 V 570 A Thyristor/Diode Rectifier Module
  • Stock:
    1
  • Order code:
    230B1785
  • Housing:
    SEMIPACK 5
  • Technology:
    Thyristor / diode
  • Topology:
    Rectifier
  • Rated current:
    570 A
  • Rated voltage:
    1800 V
  • Surge current:
    15500 A
  • Baseplate:
    Aluminium nitride ceramic isolated metal baseplate
  • Contact system:
    Pressure contacts
  • Variant:
    Bare module without pre-applied TIM or lid
  • UL recognition:
    File E 63 532
  • Legacy part number:
    07898730
  • Product status:
    In Production
  • Typical applications:
    Rectifiers for motor drives; process control; rectifiers for power supplies
  • Proposition 65:
    Cancer and Reproductive Harm
  • Weight:
    3.086 lbs (1.4 kg)
  • Estimated shipping dimensions:
    15x6x5.2cm
  • Tariff Code:
    8541300000
  • Country of origin:
    Slovakia
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Rectifier Path Electrical Ratings Heat Transfer Module Build

Features:

  • Combines a 570 A thyristor branch and diode branch in one 1800 V SEMIPACK 5 module.
  • Transfers semiconductor heat through an aluminium-nitride isolated baseplate to the external heatsink.
  • Identifies the exact bare-module variant with order code 230B1785 and legacy number 07898730.
SEMIKRON SKKH 570/18 E controls and rectifies high-current AC power through its paired semiconductor topology.

Pressure contacts carry the main current path while the isolated metal baseplate provides the thermal path to the mounting surface.

The 150 x 60 mm footprint, 52 mm height and bare construction define the mechanical and cooling boundary for installation.

The SEMIKRON SKKH 570/18 E 1800 V 570 A Thyristor/Diode Rectifier Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
SEMIKRON SKKH 570/18 E 1800 V 570 A Thyristor/Diode Rectifier Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Controlled rectifier path

  • Thyristor branch: The controlled semiconductor changes conduction according to the external gate circuit.
  • Diode branch: The diode completes the documented thyristor/diode rectifier topology.
  • Current path: Both semiconductor elements share the SEMIPACK 5 power-module construction.
  • Application link: The topology is documented for rectifiers in motor drives, process control and power supplies.

Current and voltage limits

  • Rated current: The module is identified by a 570 A current rating.
  • Blocking class: This E variant is specified for 1800 V.
  • Surge capability: The short-duration surge-current figure is 15,500 A.
  • Variant code: Order code 230B1785 ties these ratings to the exact SKKH 570/18 E version.

Baseplate thermal path

  • Ceramic isolation: Aluminium-nitride ceramic separates the electrical circuit from the metal baseplate.
  • Heatsink interface: Heat leaves the semiconductor assembly through the isolated baseplate into the mounted cooling surface.
  • TIM status: This bare variant does not include pre-applied thermal interface material.
  • Mounting boundary: The cooling design must account for the complete 150 x 60 mm base footprint.

SEMIPACK 5 construction

  • Pressure contacts: Pressure-contact construction forms the internal high-current connections.
  • Bare module: The 230B1785 variant is delivered without a lid or pre-applied TIM.
  • Physical envelope: The module measures 150 x 60 x 52 mm.
  • Identification: Legacy part number 07898730 and UL file E 63 532 support exact-unit verification.
Description
SEMIKRON SKKH 570/18 E is a SEMIPACK 5 thyristor/diode rectifier module rated for 570 A and 1800 V. Its combined controlled and uncontrolled semiconductor path converts and regulates high-current AC power inside motor-drive, process-control and power-supply rectifiers.

Inside SKKH 570/18 E, the thyristor provides the controlled switching element while the diode completes the rectifier topology. The 15,500 A surge-current rating defines the short-duration current capability separately from the 570 A continuous-current value.

Heat generated by SKKH 570/18 E passes through an aluminium-nitride ceramic isolated metal baseplate into the mounted heatsink. Pressure-contact construction maintains the internal current path, while the bare-module variant is supplied without pre-applied thermal interface material or a lid.

The 150 x 60 x 52 mm SEMIPACK 5 housing identifies SKKH 570/18 E mechanically, and order code 230B1785 distinguishes this 1800 V version from adjacent voltage variants. Legacy part number 07898730 is retained only as an identification reference for the same documented product.
Alternative Names
SKKH57018E SKKH 570 18 E SKKH-570-18-E SEMIKRON SKKH 570/18 E SEMIKRON 230B1785 SKKH 570/18 E Rectifier Module 230B1785 Thyristor Diode Module SKKH 57O/18 E
Technical notes
SEMIKRON SKKH 570/18 E uses order code 230B1785 for the 570 A, 1800 V bare SEMIPACK 5 thyristor/diode module.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What semiconductor arrangement is used in SEMIKRON SKKH 570/18 E?
SEMIKRON SKKH 570/18 E combines a thyristor and a diode in a rectifier topology, giving the power circuit one controlled switching path and one diode path.
How should the 570 A and 15,500 A figures for SKKH 570/18 E be interpreted?
The 570 A value identifies the rated current of SKKH 570/18 E, while 15,500 A is its separate short-duration surge-current rating; the two values are not interchangeable.
What transfers heat from SKKH 570/18 E to the heatsink?
An aluminium-nitride ceramic isolated metal baseplate forms the heat-transfer path from SKKH 570/18 E to the mounting surface.
Does SKKH 570/18 E include thermal interface material?
No. Order code 230B1785 is the bare SKKH 570/18 E variant supplied without pre-applied thermal interface material or a lid.
Which identifier distinguishes this SKKH 570/18 E variant?
Order code 230B1785 identifies the 1800 V SKKH 570/18 E version; legacy part number 07898730 is an additional reference for the same documented product.
Which applications are officially listed for SKKH 570/18 E?
SKKH 570/18 E is listed for rectifiers in motor drives, process control and power supplies, subject to the surrounding converter design and thermal limits.

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