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SKT 250

SKT 250

SKT 250

Product catalog summary
Overview: The document provides technical specifications and characteristics of the SKT 250 Thyristor Bridge, a semiconductor device used in power electronics. It includes various figures illustrating power dissipation, thermal impedance, and other performance metrics.
Specifications: The SKT 250 is a thyristor bridge module designed for rectification and control applications. It is important to note that the specifications provided are not guarantees of performance and should be verified for specific applications.
Figures and Data:
  • Fig. 1L & 1R: Show power dissipation in relation to on-state current and ambient temperature.
  • Fig. 2: Illustrates the rated on-state current versus case temperature.
  • Fig. 3: Displays recovered charge against current decrease.
  • Fig. 4 & 5: Present transient thermal impedance over time and thermal resistance versus conduction angle.
  • Fig. 6 & 7: Detail on-state characteristics and power dissipation relative to on-state current.
  • Fig. 8: Shows surge overload current over time.
  • Fig. 9: Provides gate trigger characteristics.
Applications and Recommendations: The SKT 250 is suitable for use in rectifiers, diodes, and thyristor modules. However, it is crucial to test components for specific applications and consult SEMIKRON for use in life support systems.
Important Notes: Adjustments may be necessary for specific applications, and prior consultation with SEMIKRON is recommended for critical applications.
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Catalog excerpts

SKT 250-1

Stud ThyristorLine ThyristorSKT 250 Features . Hermetic metal case with glass insulator . Threaded stud ISO M24x1,5 . High i2t and lTSM values for easy fusing . International standard case Typical Applications* . DC motor control (e. g. for machine tools) • Controlled rectifiers (e. g. for battery charging) • AC controllers (e. g. for temperature control) . Recommended snubber network e.g.forVVRMS<400V: R = 33 Q/32 W, C = 0,47 pF

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SKT 250-2

Fig. 1L Power dissipation vs. on-state current Fig. 1R Power dissipation vs. ambient temperature Fig. 2 Rated on-state current vs. case temperature Fig. 3 Recovered charge vs. current decrease Fig. 4 Transient thermal impedance vs. time Fig. 5 Thermal resistance vs. conduction angle

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SKT 250-3

Fig. 7 Power dissipation vs. on-state current Fig. 8 Surge overload curent vs. time

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SKT 250-4

Fig. 9 Gate trigger characteristics * The specifications of our components may not be considered as an assurance of component characteristics. Components have to be tested for the respective application. Adjustments may be necessary. The use of SEMIKRON

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SKT 250-5

SKT 250 THYRISTOR BRIDGE,SCR,BRIDGE products in life support appliances and systems is subject to prior specification and written approval by SEMIKRON. We therefore strongly recommend prior consultation of our personal.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.