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Home / Products / Diode Modules MDK

Dual Diode Modules MDK

Power Rectifier Diode Modules AS ENERGITM are non-controllable rectifiers for AC/DC converters in monolithic design with dual topology of semiconductors (two switches): diode-diode type. Used in DC and AC circuits with loads to 1200A and reverse pulse voltages up to 3600V (depending on series).

The rectifier diode modules are housed in a industry-standard housing making it easy to integrate the device into existing equipment.

Part numbering guide for diode modules MDC

Installation recommendations for diode modules

The diode modules are characterized by high electrical and thermal cycling capability, meaning high reliability and long lifetime in intensive operation modes.

Circuit Diagram of Modules MDK

Rated range of currents of rectifier diode modules: 26A, 40A, 55A, 70A, 90A, 110A, 135A, 160A, 182A, 200A, 250A, 285A, 300A, 350A, 400A, 500A, 570A, 600A, 800A, 1000A, 1200A. Nominal voltage range: 600V, 700V, 800V, 900V, 1000V, 1200V, 1400V, 1600V, 1800V, 2000V, 2200V, 2400V, 2600V, 2800V, 3000V, 3200V, 3400V, 3600V.

The main (power) terminals are on the top of the case and are marked as 1, 2, 3 (common anode-cathode, cathode, anode).

The two-position modules have different switching circuits (electrical circuit diagrams): МDC – half-bridge; МТK – scheme with common cathode; МDA – scheme with common anode.

Rectifier diode modules MDA series are used in various power equipment - power and control units, power regulators, AC regulators, converters, controllers of blast furnaces or chemical processes, welding equipment, and as rectifiers for AC converters.

Our company provides a quality guarantee for thyristor / diode modules of 2 years from the date of purchase. When supplying thyristor / diode modules, if necessary, we provide technical passport and certificate of conformity.

The final price of thyristor / diode modules depends on the class, quantity, delivery terms, manufacturer, country of origin and form of payment.

For questions regarding the acquisition of Power Modules, Thyristors, Diodes, send an email request to:

[email protected]

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 Diode-Diode Modules MDK

Series IF(AV)
(TC)		 VRRM IFSM I2t IRRM VFM/
IFM		 V(TO) rT Rth(j-c) Tjmax W Outline Data-sheet
A (°C) V kA kA2·s mA V/A V mΩ °C/W °C g PDF
MDK26 26 (100) 600-1800 0.65 2.1 8 1.65/80 0.8 6.8 1.300 150 115 92x20x30 PDF
MDK26 26 (100) 1900-2500 0.65 21 8 1.53/80 0.85 5.94 1.30 150 115 92x20x30 PDF
MDK40 40 (100) 600-1800 1.00 5.0 8 1.55/120 0.80 5.57 0.900 150 115 92x20x30 PDF
MDK40 40 (100) 1900-2500 1.0 5.0 8 1.59/120 0.85 4.5 0.9 150 115 92x20x30 PDF
MDK55 55 (100) 600-1800 1.30 8.45 8 1.45/170 0.80 3.47 0.700 150 115 92x20x30 PDF
MDK55 55 (100) 1900-2500 1.30 8.45 8 1.55/170 0.85 3.76 0.68 150 115 92x20x30 PDF
MDK70 70 (100) 600-1800 1.80 16.2 8 1.40/210 0.80 2.50 0.570 150 115 92x20x30 PDF
MDK70 70 (100) 1900-2500 1.80 16.2 8 1.50/210 0.85 2.73 0.55 150 115 92x20x30 PDF
MDK90 90 (100) 600-1800 2.30 26 8 1.33/270 0.80 1.70 0.470 150 115 92x20x30 PDF
MDK90 90 (100) 1900-2500 2.30 26 8 1.43/270 0.85 1.88 0.45 150 115 92x20x30 PDF
MDK110 110 (100) 600-1800 2.60 33 8 1.45/330 0.80 1.74 0.350 150 115 92x20x30 PDF
MDK110 110 (100) 1900-2500 2.6 33 8 1.55/330 0.85 1.88 0.33 150 115 92x20x30 PDF
MDK110 110 (100) 2600-3600 2.60 33 20 2.25/330 0.95 1.76 0.31 150 320 94x36x30 PDF
MDK135 135 (100) 600-1800 3.90 76 12 1.38/410 0.80 1.18 0.310 150 320 94x36x30 PDF
MDK135 135 (100) 1900-2500 3.9 76 12 1.48/410 0.83 1.23 0.30 150 320 94x36x30 PDF
MDK135 135 (100) 2600-3600 3.9 76 20 1.98/410 0.85 1.01 0.29 150 320 94x36x30 PDF
MDK160 160 (100) 600-1800 4.6 106 12 1.56/480 0.80 1.35 0.230 150 320 94x36x30 PDF
MDK160 160 (100) 1900-2500 4.6 105 12 1.66/480 0.84 1.31 0.23 150 320 94x36x30 PDF
MDK160 160 (100) 2600-3600 4.8 106 25 1.98/480 0.95 0.90 0.23 150 320 94x36x30 PDF
MDK182 182 (100) 600-1800 6.40 205 12 1.43/550 0.80 0.96 0.220 150 320 94x36x30 PDF
MDK182 182 (100) 1900-2500 6.4 204 12 1.73/550 0.85 1.05 0.20 150 320 94x36x30 PDF
MDK200 200 (100) 600-1800 7.5 281 12 1.38/600 0.75 0.88 0.210 150 320 94x36x30 PDF
MDK200 200 (100) 1900-2500 7.5 281 12 1.48/600 0.82 0.96 0.18 150 320 94x36x30 PDF
MDK200 200 (100) 2600-3600 7.5 281 30 2.10/600 0.95 1.40 0.15 150 860 92x50x50 PDF
MDK250 250 (100) 600-1800 9.5 451 20 1.43/750 0.75 0.76 0.140 150 860 92x50x50 PDF
MDK250 250 (100) 1900-2500 9.5 451 20 1.53/750 0.85 0.89 0.13 150 860 92x50x50 PDF
MDK250 250 (100) 2600-3600 9.5 451 30 1.83/750 0.95 0.87 0.13 150 860 92x50x50 PDF
MDK285 285 (100) 600-1800 9.5 451 20 1.40/750 0.75 0.70 0.14 150 860 92x50x50 PDF
MDK300 300 (100) 600-1800 10 500 20 1.35/900 0.75 0.55 0.130 150 860 92x50x50 PDF
MDK300 300 (100) 1900-2500 10 500 20 1.45/900 0.80 0.50 0.12 150 860 92x50x50 PDF
MDK300 300 (100) 2600-3600 10 500 45 1.85/900 0.95 0.70 0.11 150 1350 108x62x52 PDF
MDK350 350 (100) 600-1800 12 720 30 1.50/1050 0.750 0.61 0.110 150 1350 108x62x52 PDF
MDK350 350 (100) 1900-2500 12 720 30 1.60/1050 0.80 0.56 0.11 150 1350 108x62x52 PDF
MDK400 400 (100) 600-1800 13 845 30 1.48/1200 0.75 0.50 0.100 150 1350 108x62x52 PDF
MDK400 400 (100) 1900-2500 13 845 30 1.55/1200 0.85 0.49 0.09 150 1350 108x62x52 PDF
MDK400 400 (100) 2600-3600 13 845 50 1.65/1200 0.95 0.72 0.075 150 2300 135x76x62 PDF
MDK400-W 400 (60) 600-1800 13 845 30 1.65/1200 0.75 0.64 0.15 150 1300 92x50x57 PDF
MDK400-W 400 (60) 1900-2500 13 845 30 1.88/1200 0.85 0.69 0.14 150 1300 92x50x57 PDF
MDK400-W 400 (60) 2600-3600 13 845 35 2.41/1200 0.95 1.05 0.11 150 1820 108x62x58 PDF
MDK500 500 (100) 600-1800 16 1280 40 1.45/1500 0.75 0.3 0.090 150 2300 135x76x62 PDF
MDK500 500 (100) 1900-2500 16 1280 40 1.35/1500 0.85 0.38 0.075 150 2040 124x66x64 PDF
MDK500-W 500 (60) 600-1800 16 1280 40 1.68/1500 0.75 0.51 0.13 150 1820 108x62x58 PDF
MDK500-W 500 (60) 1900-2500 16 1280 40 1.85/1500 0.85 0.53 0.12 150 1820 108x62x58 PDF
MDK500v 500 (60) 2600-3600 16 1280 45 2.83/1500 0.95 1.12 0.075 150 2600 135x76x68 PDF
MDK570 570 (100) 600-1800 18.0 1620 40 1.45/1500 0.75 0.30 0.09 150 1300 124x60x51 PDF
MDK600 600 (100) 600-1800 19 1805 45 1.50/1800 0.75 0.28 0.065 150 2300 135x76x62 PDF
MDK600 600 (100) 1900-2500 19 1805 40 1.53/1800 0.75 0.32 0.065 150 2300 135x76x62 PDF
MDK600-W 600 (60) 600-1800 19 1805 40 1.70/1800 0.75 0.42 0.11 150 1820 108x62x58 PDF
MDK600-W 600 (60) 1900-2500 19 1805 40 1.84/1800 0.85 0.44 0.10 150 1820 108x62x58 PDF
MDK600v 600 (60) 2600-3600 19 1805 45 2.79/1800 0.95 0.91 0.065 150 2600 135x76x68 PDF
MDK800 800 (100) 600-1800 22 2420 45 1.80/2400 0.72 0.18 0.058 150 3500 150x76x78 PDF
MDK800 800 (100) 1900-2500 22 2420 45 1.38/2400 0.70 0.20 0.058 150 2300 135x76x62 PDF
MDK800-W 800 (60) 600-1800 22 2420 40 1.72/2400 0.75 0.34 0.08 150 2600 135x76x68 PDF
MDK800-W 800 (60) 1900-2500 22 2420 45 1.86/2400 0.80 0.36 0.075 150 2600 135x76x68 PDF
MDK1000 1000 (100) 600-1800 28 3920 50 1.82/3000 0.71 0.10 0.052 150 3800 150x77x83 PDF
MDK1000 1000 (100) 1900-2500 28 3920 50 1.21/3000 0.71 0.10 0.052 150 3800 150x77x83 PDF
MDK1000-W 1000 (60) 600-1800 28 3920 40 1.82/3000 0.75 0.25 0.065 150 3600 150x76x78 PDF
MDK1000-W 1000 (60) 1900-2500 28 3920 50 2.16/3000 0.82 0.38 0.048 150 3600 150x76x78 PDF
MDK1200 1200 (100) 600-1800 34 5780 50 1.86/3000 0.71 0.11 0.040 150 3800 150x77x83 PDF
MDK1200 1200 (100) 1900-2500 34 5780 50 1.20/3000 0.71 0.0 0.042 150 3800 150x77x83 PDF

MDK-W – water-cooling modules

Part numbering guide for diode–diode modules MDC:

MD K 400 – 25 – W
MD – Diode module, brand AS ENERGITM.
K – Circut topology.
400 – Rated current IT(AV), Amp.
25 – Voltage class VRRM / 100 (Nominal voltage – 2500 V).
W – W - water-cooling housing
None - standard housing.

Connection diagram of diode modules MDC, MDK, MDA:

  • Connection diagram of power diode modules MDC

    Half-bridge

  • Cathode wiring diagram (common cathode circuit) of MDK diode modules

    Common cathode

  • Anode wiring diagram (common anode circuit) of MDA diode modules

    Common anode

Recommendations for mounting power modules

Heatsink and Surface Specifications, Preparation

In order to ensure good thermal contact and to obtain the thermal contact resistance values specified in the datasheets, the contact surface of the heat sink must be clean and free from dust particles. It is useful to clean the mounting surface of the heat sink with wipes and an alcohol cleaner, e.g. isopropanol, right before the mounting process. The following mechanical specifications have to be met:
– Unevenness of heat sink mounting area must be ≤ 50μm per 100 mm
– Roughness Rz: < 10 μm
– No steps > 10 μm

Heat sink surface specification

Applying Thermal Paste

Recommended to use stencil printing in order to apply thermal interface material. Recommended to use thermal paste thickness in the range from 50 μm to 100 μm. Applying thermal paste by means of roller is not recommended for mass production as reproducible of an optimized thermal paste thickness cannot be guaranteed.

Mounting torque on heat sink MS

To secure power modules, the use of steel screws in combination with suitable washers and spring lock washers or combination screws is strongly recommended. The specified in datasheet torque value must be observed.

A pre-tightening torque and retightening to the given torque value is recommended. For the screwing process the speed has to be limited and soft torque limitation is recommended to avoid torque peaks, which may occur with pneumatic screwdrivers.

Example of mounting order

The screws must be tightened in diagonal order with equal torque in several steps until the specified torque value MS has been reached.

icon 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.

Certificates

Each product is tested for the main parameters, and Test reports of the parameters for each product are provided.

Test Report

Geography of partnership

AS ENERGITM company manufactures and supplies power semiconductors to more than 50 countries around the world.

Geography

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.

Logistics

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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