Diode modules MD3, MD4, MD5

Power Rectifier Dual Diode Modules AS ENERGI^TM are non-controllable rectifiers in monolithic design with two semiconductor diodes (type diode-diode), operate in DC and AC circuits with loads from 155A up to 1000A and reverse pulse voltages up to 6500V.

Connection diagram of modules: MD3 – half-bridge; MD4 – common cathode circuit; MD5 – common anode circuit.

High energy-thermocyclic resistance and reliable operation of low-frequency diode modules of MD when switching high currents is achieved due to their design features and stable parameters galvanic separation:

Diode modules MD3, MD4, MD5 have a clamping design, mounting with screws through the through mounting holes in the housing. The wires are fastened with nickel-plated terminals, under which the test points for measuring the pulse direct voltage are placed. Main leads are on the top of the case and are numbered 1, 2, 3.

When mounting diode modules, special attention should be paid to the tightness of the mating surfaces – concavity more than 0.03 mm is not allowed.

To mount additional cooling (radiators or coolers are used), mounting holes are provided in the housing of the diode potential-free modules. A special thermally conductive substrate lubricated with thermal paste must be used between the module and the cooling element.

Diode modules MD3, MD4, MD5 are used in various power installations - power and control units, power regulators, AC regulators, inverters, motor starters and controls, temperature controllers of blast furnaces or chemical processes, welding equipment, etc.

Our modules are offered in several dual and single device topologies for almost all phase control or rectifier applications.

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 for 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.

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General specifications of Diode-Diode Modules MD3, MD4, MD5

Photo	Series	Average forward current, I_T(AV)	Voltage, V_RRM	Connection diagram	Package	Dimensions	PDF
	MD3-155	155A	3000 - 3600V		F	94x34x30
	MD4-155	155A	3000 - 3600V		F	94x34x30
	MD5-155	155A	3000 - 3600V		F	94x34x30
	MD3-160	160A	3000 - 3600V		F	94x34x30
	MD4-160	160A	3000 - 3600V		F	94x34x30
	MD5-160	160A	3000 - 3600V		F	94x34x30
	MD3-175	175A	2400 - 2800V		F	94x34x30
	MD4-175	175A	2600 - 2800V		F	94x34x30
	MD5-175	175A	2400 - 2800V		F	94x34x30
	MD3-200	200A	2000 - 2800V		F	94x34x30
	MD4-200	200A	2000 - 2800V		F	94x34x30
	MD5-200	200A	2000 - 2800V		F	94x34x30
	MD3-215	215A	2000 - 2200V		F	94x34x30
	MD4-215	215A	2000 - 2200V		F	94x34x30
	MD5-215	215A	2000 - 2200V		F	94x34x30
	MD3-245	245A	1000 - 1800V		F	94x34x30
	MD4-245	245A	1000 - 1800V		F	94x34x30
	MD5-245	245A	1000 - 1800V		F	94x34x30
	MD3-250	250A	1000 - 1800V		F	94x34x30
	MD4-250	250A	1000 - 1800V		F	94x34x30
	MD5-250	250A	1000 - 1800V		F	94x34x30
	MD3-250	250A	3000 - 3600V		C1	92x52x50
	MD4-250	250A	3000 - 3600V		C1	92x52x50
	MD5-250	250A	3000 - 3600V		C1	92x52x50
	MD3-320	320A	2000 - 2800V		C1	92x52x50
	MD4-320	320A	2000 - 2800V		C1	92x52x50
	MD5-320	320A	2000 - 2800V		C1	92x52x50
	MD3-320	320A	4600 - 6500V		А2	124x60x52
	MD4-320	320A	4600 - 6500V		А2	124x60x52
	MD5-320	320A	4600 - 6500V		А2	124x60x52
	MD3-400	400A	1000 - 1800V		C1	92x52x50
	MD4-400	400A	1000 - 1800V		C1	92x52x50
	MD5-400	400A	1000 - 1800V		C1	92x52x50
	MD3-400	400A	4600 - 5200V		А2	124x60x52
	MD4-400	400A	4600 - 5200V		А2	124x60x52
	MD5-400	400A	4600 - 5200V		А2	124x60x52
	MD3-470	470A	3800 - 4400V		А2	124x60x52
	MD4-470	470A	3800 - 4400V		А2	124x60x52
	MD5-470	470A	3800 - 4400V		А2	124x60x52
	MD3-500	500A	3000 - 3600V		А2	124x60x52
	MD4-500	500A	3000 - 3600V		А2	124x60x52
	MD5-500	500A	3000 - 3600V		А2	124x60x52
	MD3-515	515A	3000 - 3600V		А2	124x60x52
	MD4-515	515A	3000 - 3600V		А2	124x60x52
	MD5-515	515A	3000 - 3600V		А2	124x60x52
	MD3-580	580A	2000 - 2600V		А2	124x60x52
	MD4-580	580A	2000 - 2600V		А2	124x60x52
	MD5-580	580A	2000 - 2600V		А2	124x60x52
	MD3-630	630A	1000 - 1800V		А2	124x60x52
	MD4-630	630A	1000 - 1800V		А2	124x60x52
	MD5-630	630A	1000 - 1800V		А2	124x60x52
	MD3-660	660A	1000 - 1800V		А2	124x60x52
	MD4-660	660A	1000 - 1800V		А2	124x60x52
	MD5-660	660A	1000 - 1800V		А2	124x60x52
	MD3-800	800A	3800 - 4400V		D	150x77x84
	MD4-800	800A	3800 - 4400V		D	150x77x84
	MD5-800	800A	3800 - 4400V		D	150x77x84
	MD3-1000	1000A	2000 - 2800V		D	150x77x84
	MD4-1000	1000A	2000 - 2800V		D	150x77x84
	MD5-1000	1000A	2000 - 2800V		D	150x77x84

Part numbering guide for diode–diode modules:

–

155

–

MD	–	Diode module, AS ENERGI^TM
3	–	Connection diagram: 3 – half-bridge; 4 – common cathode circuit; 5 – common anode circuit.
155	–	Rated current I_F(AV), A.
36	–	Voltage class V_RRM / 100 (Nominal voltage – 3600 V).
F	–	Housing type.
N	–	Ambient conditions: N – Normal.

Dimensions of diode modules MD3, MD4, MD5:

Package F
Package C1
Package А2
Package D

Connection diagram of diode modules MD3, MD4, MD5:

Half-Bridge
Common Cathode
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 M_S

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 M_S has been reached.

Why choose AS ENERGI^TM

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 ENERGI^TM 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 ENERGI^TM 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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Diode modules MD3, MD4, MD5

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General specifications of Diode-Diode Modules MD3, MD4, MD5

Part numbering guide for diode–diode modules:

Dimensions of diode modules MD3, MD4, MD5:

Package F

Package C1

Package А2

Package D

Connection diagram of diode modules MD3, MD4, MD5:

Half-Bridge

Common Cathode

Common Anode