Standard Recovery Diode VS-300U40A, Stud Type, Vishay Replacement

Vishay Part Number VS-300U40A
Average forward current, IF(AV)M (TC) 300A (150ºC)
Voltage, VRRM 400 V
Stud thread 3/4" 16UNF-2A
Datasheet
Replacement AS ENERGITM ASDS300U40A
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Rectifier Diode ASDS300U40A AS ENERGITM in stud design, is a replacement, analogue, alternative and equivalent semiconductor device for normal recovery diode VS-300U40A Vishay Semiconductors.

Average forward current IFAV300 ampere, repetitive peak reverse voltage VRRM400V. "Air-cooled heatsinks O series for stud devices" for diode cooling are also available to order.

Air and water heat sinks are used to cool the diodes. To provide reliable thermal and electrical contact with the heatsink a tightening torque Md must be observed during assembly. For better heat dissipation of diode during assembly, heat conducting paste is used (this is a recommendation and is not a prerequisite for installation).

Features of Standard Recovery Diodes: optimised for line frequency; low on-state losses; high reverse voltage and high current handling capabilities; press pack standard ceramic housing; designed for high power industrial and power transmission applications. Their main applications are rectifiers for large AC drives, aluminum smelting and other metal refining as well as trackside supply.

Rectifier Diodes AS ENERGITM have the following features: industry standard housing; low static and dynamic losses, high values of VRRM/VRSM, 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.

The technical specifications and parameters of VS-300U40A and replacement ASDS300U40A, datasheet PDF, outline drawing and dimensions are listed below.

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

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The final price for standard recovery diodes in stud design depends on the voltage class, quantity, delivery terms, manufacturer, country of origin and form of payment.

General specifications of Standard Recovery Diode (Stud Type) Vishay and Replacement:

Diode specifications VS-300U40A
Maximum allowable average forward current (Case temperature) IF(AV)M (TC) 300 A (150ºC)
Max. repetitive peak reverse blocking voltage VRRM 400 V
Surge peak forward current IFSM 6550 A
Safety factor I2t 214 kA2·s
Threshold voltage VF(T0) 0.610 V
Forward slope resistance rT 0.751 mΩ
Temperature of p-n junction Tvj max 200 ºC
Thermal resistance, junction to case Rth(j-c) 0.015 K/kW
Mounting torque, non-lubricated threads Md± 10 % 37 Nm
Weight W 250 g
Package (Housing) type DO-9 (DO-205AB)
Stud thread Ød 3/4" 16UNF-2A
Replacement AS ENERGITM type ASDS300U40A
Datasheet PDF

Part Numbering Guide for Standard Recovery Diodes:

AS DS 30 0 U 40 A
AS brand AS ENERGITM
DS Product group: Diode Stud.
30 Essential part number.
0 Standard device.
U Stud normal polarity.
40 Voltage code x 10 = VRRM.
A Essential part number.

Polarity (anode, cathode) and dimensions of stud diodes:

Diode polarity Dimensions

High Power Semiconductors AS ENERGITM

Our company is engaged in the manufacturer and sale of wide range of power semiconductors (power diodes, 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:

[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.


Photo Gallery

The photo gallery shows many different semiconductor devices, semiconductor chips and SCRs produced by AS ENERGITM, examples of test reports.


Heat sinks for power stud diodes:

Heat sinks (radiators) are used for cooling of power semiconductor devices in stud 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 heatsinks: "Air-cooled heatsinks for stud devices".


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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