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Pavlo GorkunFast Switching Thyristor Y45KKE 1220А (800V - 1800V) Techsem Replacement
| Techsem Part Number | Y45KKE |
| Average on-state current, IT(AV)M (TC) | 1220A (55ºC) |
| Voltage, VDRM/VRRM | 800-1800 V |
| Turn-off time tq | 18-50 µs |
| Dimensions ØDxØdxH | 69x45x26 mm |
| Datasheet |  |
| Replacement AS ENERGITM | ATY45FE-1220-18 |
| Add to Cart | on request
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Fast Switching Thyristor ATY45FE-1220-18 AS ENERGITM is a replacement, analogue, alternative and equivalent semiconductor device for fast switching thyristor (fast turn-off thyristor) Y45KKE Techsem.
Average on-state current ITAV – 1220A, repetitive peak forward/reverse voltage VDRM/VRRM – 800-1800V, turn-off time tq – 18-50 µs.
Features: Fast Switching Thyristors ensure low switching losses and high di/dt performance. Fast switching thyristors are suitable for existing inverter, DC chopper drives, UPS and pulse power applications.
Fast Switching Thyristors (fast turn-off capsule type thyristors) are available from 800V up to 4800V, current from 490A up to 4890A and turn-off time tq from 18μs up to 150μs.
"Air-cooled heatsinks O series for disc devices", "Air heatsink SF series", "Water heatsink SS series" for thyristor cooling are also available to order.
Thyristors AS ENERGITM have the following features: low static and dynamic losses, high values of VDRM/VRRM, extensive experience of using the devices in various industries, range of voltages from 100 to 9000 V and amperages from 10 to 15000 A, high resistance to thermal and electric cycling, natural or forced air cooling.
The technical specifications and parameters of Y45KKE and replacement ATY45FE-1220-18, datasheet PDF, outline drawing and dimensions 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 technical passport and certificate of conformity.
The final price for fast switching thyristors depends on the voltage class, quantity, delivery terms, manufacturer, country of origin and form of payment.
General specifications of Fast Thyristor Y45KKE Techsem and Replacement:
| Thyristors specifications | Y45KKE | |
| Average on-state current (Case temperature) | IT(AV)M (TC) | 1220 A (55ºC) 820 A (85ºC) |
| Repetitive peak off-state voltage; repetitive peak reverse voltage | VDRM/VRRM | 800-1800 V |
| Surge on-state current | ITSM | 12 kA |
| Safety factor | I2t | 720 kA2·s |
| Turn-off time | tq | 18-50 µs |
| Critical rate of rise of on-state current | di/dt | 1200 A/µs |
| Threshold voltage | VT0 | 1.32 V |
| On-state slope resistance | rT | 0.48 mΩ |
| Temperature of p-n junction | Tvj max | 125 ºC |
| Thermal resistance, junction to case | Rth(j-c) | 0.024 K/W |
| Mounting force | Fm | 18-25 kN |
| Weight | W | 380 g |
| Dimensions | ØDxØdxH | 69x45x26 mm |
| Replacement AS ENERGITM | type | ATY45FE-1220-18 |
| Datasheet | |
|
Part Numbering Guide for Fast Switching Thyristors:
| A | TY | 45 | F | E | - | 1220 | - | 18 |
| A | – |  AS ENERGITM |
| TY | – | Product group: Thyristor. |
| 45 | – | Series of thyristors. |
| F | – | Type of Thyristor: Fast Switching (Fast Turn-off). |
| E | – | Range of classes: E: 800-1600V G: 1900-3000V J: 3100-4000V M: 4100-4800V |
| 1220 | – | Average on-state current IT(AV), Amp. |
| 18 | – | Voltage code VRRM / 100. |
Dimensions of Fast Switching Thyristor Y45KKE and Replacement ATY45FE-1220-18:
Dimensions of Fast Switching Thyristor
Polarity (anode, cathode, gate) of power disc thyristors:
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High Power Semiconductors AS ENERGITM
Our company is engaged in the manufacturer and sale of wide range of power semiconductors (power thyristors, modules, rectifier diodes, avalanche, rotor and welding diodes, triacs etc.) currents up to 15000A and voltages to 9000V, and air and water heatsinks to them.
You can buy semiconductor devices 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 Power Thyristors, Diodes, Modules 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.
Air and water heat sinks for thyristor cooling are also available to order.
See for more information about heatsinks: "Air-cooled heatsinks O series for disc devices", "Air heatsink SF series", "Water heatsink SS series".
Photo of Phase Control Thyristor SCR:
Why choose AS ENERGITM
- Own production facilities, including semiconductor silicon chips production
- European brand - 100% quality, favorable price, short production terms
- Over 20 years of experience in the semiconductor industry
- Clients from more than 50 countries trust us
- 20000 items in the product line for currents from 10A to 15000A, voltages from 100V to 9000V
- We produce analogues of other manufacturers' products
- Guaranteed certified quality, warranty period of operation - 2 years
Quality Warranty
Our products are certified and correspond to international standards.
Our company provides a quality guarantee for products of 2 years.
We provide certificates of conformity, reliability reports, data sheets and technical passports at the request of the customer.
Each product is tested for the main parameters, and Test reports of the parameters for each product are provided.
Geography of partnership
AS ENERGITM company manufactures and supplies power semiconductors to more than 50 countries around the world.
Logistics and Delivery
We deliver our products all over the world with the services of logistics companies: DHL, TNT, UPS, EMS, Fedex, Aramex.
Products can be delivered by any means of transport: air, sea, rail and road.
AS ENERGITM Semiconductors Manufacturing
Our products range includes rectifier diodes, phase control thyristors in disc and stud design, avalanche diodes and thyristors, fast switching, high frequency thyristors, fast recovery, welding and rotor diodes, triacs, bridge rectifiers, power modules (thyristor, diode, thyristor-diode, IGBT), and air and water heatsinks to them.
Power diodes and thyristors are produced for currents from 10A to 15000A, voltage range from 100V to 9000V.
Power diode and thyristor modules are produced from 25A and up to 1250A, voltage range 400V - 4400V.
The range of power semiconductors also includes equivalent, replacement, analogue and alternative semiconductor devices of global manufacturers.
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