alseryabPhase Control Thyristor KP1500A-(12...18)
| Average forward current, IT(AV) (TC, ºC) | 1520А (70ºC) |
| Voltage, VDRM/VRRM | 1200-1800 V |
| Voltage code, VRRM / 100 | 12 – 18 |
| KP1500A-(12...18) | on request
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| Dimensions ØDxØdxH | 85x60x26 mm |
| Weight | 0.67 kg |
| Datasheet |  |
Phase control thyristors KP1500A-(12...18) AS ENERGITM are general purpose power disc thyristors, also known as Silicon Controlled Rectifier (SCR). They are designed to convert and control DC and AC currents up to 1500A with frequency up to 500Hz in circuits with voltages up to 1200V – 1800V (voltage class from 12 to 18). Thyristor dimensions ØDxØdxH – 85x60x26 mm (outer case diameter X contact surface diameter X case height), weight – 0.67 kg.
Thyristor ratings: KP1500A 1200V, KP1500A 1400V, KP1500A 1600V, KP1500A 1800V.
The anode and cathode of the thyristor (polarity) are determined by the symbol on the case.
For cooling during the operation of power thyristors they are mounted with coolers (heat sinks). Depending on the amount of heat generated and the working conditions of the semiconductors, either natural air flow cooling or forced cooling can be used.
When assembling, the necessary clamping force Fm specific for each type of thyristor package (indicated in the parameter table) must be provided.
Thyristors can be manufactured for use in temperate, cold and tropical climates. Thyristors of the disc type KP are used in various power converters (e.g. melting furnaces) where fast switching and control of currents is necessary.
Specifications and parameters, datasheets PDF, dimensions, drawings, case diagrams thyristors, recommended coolers are listed below.
Our company provides a quality guarantee for thyristors of 2 years from the date of purchase. When supplying thyristors, if necessary, we provide quality declaration and certificate of conformity.
The final price for phase control disc thyristors depends on the class, quantity, delivery terms, manufacturer, country of origin and form of payment.
For questions regarding the acquisition of High Power Thyristors send an email request to:
And we will provide you a commercial offer for delivery.
For a large number, we will provide an individual price!!!
We are open to manufacture products at our production facilities
according to your requests and technical task.
General specifications of phase control thyristors KP1500A-(12...18):
| Thyristors specifications | KP1500A-(12...18) | |
| Maximum allowable average forward current (Case temperature) | IT(AV)/(TC) | 1520 A (70ºC) |
| Repetitive pulsed closed state voltage; repetitive pulsed reverse voltage | VDRM/VRRM | 1200-1800 V |
| Surge on-state current | ITSM | 25 kA |
| Safety factor | I2t | 3130 kA2·s |
| Critical rate of rise of off-state voltage | dv/dt | 1000 V/µs |
| Critical rate of rise of on-state current | di/dt | 200 A/µs |
| Turn-off time | tq | 250 µs |
| Temperature of p-n junction | Tvj max | 125 ºC |
| Thermal resistance, junction to case | Rth(j-c) | 0.018 ºC/W |
| Clamping force | Fm ±10% | 40 kN |
| Weight | W | 0.67 kg |
| Dimensions | ØDxØdxH | 85x60x26 |
| Available other dimensions | ØDxØdxH | 74x47x26 |
| Datasheet | |
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Part numbering guide for phase control thyristors KP1500A 1800V:
| KP | 1500A | – | 1800V |
| KP | – | Thyristor type: Phase control thyristor,  AS ENERGITM |
| 1500A | – | Average forward current in open state IT(AV), A. |
| 1800V | – | Nominal voltage, V. |
Polarity (anode, cathode, gate) and dimensions of disc thyristor KP1500A-(12...18):
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Thyristors KP1500A-(12...18) datasheet:
Download datasheet for thyristors KP1500A-(12...18)
High Power Semiconductors by AS ENERGI
Our company is engaged in the manufacturer and sale of power semiconductors (power thyristors, diodes, modules).
You can buy thyristors from us in any volumes, and when ordering large lots, the price will be lower.
We have earned the trust of customers and supply products all over the world.
For questions regarding the acquisition of High Power Thyristors, Diodes, send an email request to:
And we will provide you a commercial offer for delivery.
For a large number, we will provide an individual price!!!
We are open to manufacture products at our production facilities
according to your requests and technical task.
Heat sinks for power disc thyristors:
Heat sinks (radiators) are used for single- and double-sided cooling of power semiconductor devices in disc design.
Heat sinks of coolers are made of aluminum radiator profiles and do not require additional protective coating when used in various climatic conditions.
See for more information about coolers: "Water Heatsink SS series", "Air Heatsink SF series", and also "Air-heatsink" and "Water-heatsink".
Photo of Phase Control Thyristor SCR:
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