KU101 | KU102 | KW103 | KU104 | KU105 | KU108 |

KW109 | KU110 | KU111 | KU113 | KU120 | KU120-5 |

KU121 | KU201 | KU202 | KW203 | KU204 | KU208 |

KU221 | KW222 | KU224 | KU228 | KW239 | KU240 |

KU501 | KU502 | KU503 | KU601 | KU606 | KU610 |

KU701 | KU702 | KU706 | KU901 | KU210 | KU215 |

KU216 | KU218 | KU219 | KU220 | KN102 | D235 |

KU210 | KU211 | KU215 | KU218 | KU219 | KU220 |

TS2-10 | TS2-16 | TS2-25 | TS2-40 | TS2-50 | TS2-63 |

TS2-80 | TS80 | TS125 | TS160 | TS112-10 | TS112-16 |

TS122-20 | TS132-40 | TS132-50 | TS142-63 | TS142-80 | TS161-100 |

TS161-125 | TS161-160 | TO125-12,5 | TO132-25 | TO132-40 | TO142-50 |

TO142-63 | TO142-80 | T112-10 | T112-16 | T122-20 | T122-25 |

T222-20 | T222-25 | T131-40 | T131-50 | T132-16 | T132-25 |

T232-16 | T232-25 | T132-40 | T132-50 | T232-40 | T232-50 |

T141-40 | T141-50 | T141-63 | T141-80 | T142-32 | T142-40 |

T142-50 | T242-32 | T242-40 | T242-50 | T142-63 | T142-80 |

T242-63 | T242-80 | T151-63 | T151-80 | T152-63 | T152-80 |

T252-63 | T252-80 | T151-100 | T161-125 | T161-160 | T171-200 |

T171-250 | T171-320 | T123-200 | T123-250 | T123-320 | T133-320 |

T133-400 | T143-400 | T143-500 | T143-630 | T153-630 | T153-800 |

T253-800 | T353-800 | T253-1000 | T253-1250 | T173-1250 | |

D238 |

** Letter designations thyristors parameters**

according to GOST 15133-77 switching semiconductor devices bistable, having three or more p-n junctions, collectively called thyristors.

Thyristors operate as keys in pulsed mode with currents, far exceeding the permissible constant currents in the open state. Designed for use in the electric power converter circuit, pulse modulators, contactless control apparatus, polling and pulse amplifiers, harmonic oscillation generators, inverters and other circuits, performing switching functions.

The main parameters of thyristors, established by GOST 20332-84, Options include the maximum allowable mode in the closed state, Reverse nonconducting state, in the open position and the control circuit, as well as the dynamic and thermal parameters:

- constant off-state voltage
**in the**– the greatest forward voltage, which can be applied to the device and in which it is in a closed condition;_{zs}

- non-repeating pulse off-state voltage
**in the**– the highest instantaneous voltage value of any non-repeating on the anode, does not cause it to switch from the closed state into the open;_{zs, np }

- continuous reverse voltage
**in the**– major stress, which can be applied to the device in the opposite direction;_{Countdown}

- the reverse breakdown voltage
**in the**– reverse voltage device, wherein the reverse current reaches a predetermined value;_{samples}

- switching voltage
**in the**– forward voltage, corresponding switching point (inflection current-voltage characteristics);_{PRK}

- voltage in the open state
**in the**– the voltage drop across the thyristor in the open state;_{axis}

- surge voltage in the open state
**in the**– the highest instantaneous value of the on-state voltage, due to the pulse current in the open state setpoint;_{axis, and }

- pulse trigger voltage
**in the**– the lowest amplitude pulse direct voltage, providing switching (dinistora, thyristors) from the closed state into the open;_{from, and }

- permanent unlocking control voltage
**in the**– the voltage between the control electrode and cathode of SCR, corresponding to the gate-constant current control;_{in, from}

- unlocking impulse control voltage
**in the**– the pulse voltage on the control electrode, corresponding pulse Gate Trigger Current;_{in, from, and}

- neotpirayuschee constant control voltage
**in the**– highest DC voltage on the control electrode, causing the switch SCR from the closed state into the open;_{in, not }

- repetitive pulse voltage in the closed state
**in the**– the highest instantaneous voltage value is in the closed position, applied to the thyristor, including only repetitive transient voltages;_{zs, P}

- repeating pulse voltage
**in the**– the highest instantaneous voltage value reverse, applied to the thyristor, including only repetitive transient voltages;_{Countdown,P}

- locking constant control voltage
**in the**– constant voltage control thyristor, corresponding locking constant current control;_{in,with}

- locking the pulsed control voltage
**in the**– pulse voltage thyristor control, corresponding locking control current;_{in,with, and}

- unclosable DC voltage
**in the**– most constant control voltage, not calling off thyristor;_{in, NZ}

- threshold voltage
**in the**– value thyristor voltage, defined by the point of intersection of a straight line approximating the open state voltage characteristics with axis;_{ERP }

- DC closed
**I**– on-state current at a specific forward voltage;_{zs }

- the average current in the open state
**I**– period average value of the current in the open state;_{axis, cf. }

- constant reverse current
**I**– reverse anode current at a certain value of the reverse voltage;_{Countdown }

- switching current
**I**– current through the thyristor at the time of switching (_{PRK }**in the**and_{PRK}**I**indicated only for dinistorov);_{PRK }

- repetitive peak current in the open state
**I**– the highest instantaneous current value in the open state, including all repetitive transient currents;_{axis,P }

- surge current in the open state
**I**– the largest surge current in the open state, which causes the flow of excess allowable junction temperature, but the impact of which for the time period of the thyristor service is expected with a limited number of repetitions;_{axis, exercise }

- DC current in the open state
**I**– the greatest current value in the open state;_{axis }

- repetitive peak current in the open state
**I**– the highest instantaneous current value in the open state, including all repetitive transient currents;_{axis,P }

- repetitive peak current in the closed state
**I**– Pulse on-state current, due to repetitive pulse voltage in the closed state;_{zs,P }

- repeating pulse reverse current
**I**– reverse current, due to repeat- schimsya peak reverse voltage;_{Countdown,P }

- unlocking constant current control
**I**– the smallest constant current control, necessary to enable the thyristor (from the closed state into the open);_{in,from }

- Gate Trigger Current
**I**– the smallest pulse control current, necessary to enable the thyristor;_{in,from, and }

- locking pulse current control
**I**– the highest pulse current control, does not cause the thyristor switch;_{in,with,and }

- holding current
**I**– the smallest direct current thyristor, required to maintain the thyristor in the open state;_{beats }

- current inclusions thyristor
**I**– smallest main current, required to maintain the thyristor in the open state after the pulse current control after the switching of the thyristor from the closed state to the open;_{including }

- zapiraemыy current thyristors
**I**– the greatest value of the main current, wherein the locking is provided on the control electrode of the thyristor;_{with }

- the average power dissipation
**P**– the sum of the average power, scattered thyristors;_{cf. }

- on time of the thyristor
**t**,_{in, including }**t**– time interval, during which the thyristor is turned or unlocking control current is switched from the closed state to the open unlocking pulse current;_{with, including }

- rise time
**t**,_{in, pnr }**t**– the time interval between the instant, when the main voltage is reduced to a predetermined value, and the moment, when it reaches a predetermined low value when the thyristor current control unlocking or unlocking switching pulse voltage;_{nr }

- off-time
**t**– the smallest time interval between the instant, when the main thyristor current after an external switch main chains decreases to zero, and the moment, in which a certain mains voltage passes through zero without switching thyristor;_{off }

- slew closed critical speed
**(in the**– the greatest value of slew rate in the closed state, which does not cause the thyristor switches from the closed state into the open;_{zs }/dt)_{cr }

- critical rate of rise of the switching voltage
**(in the**– the greatest value of the main voltage slew rate, which in the open state or the reverse conducting state in the opposite direction after the load current does not cause the thyristor to switch from the closed state to the open._{zs }/dt)_{ball }