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Diode DA333-500

Diodes

VRRM [V min]: 1000
VRRM [V max]: 1800
IFAV [A]: 500
Tс: 123
VFM (Tc=25°С) [V]: 1.50
IFM (Tc=25°С) [A]: 1570
VF(TO)/Tjmax [V]: 0.878
rT/Tjmax [mΩ]: 0.366
Tjmax [°С]: 150
Rthjc [°С/W]: 0.040
Package: D.B2
Design: disc
Type: avalanche
Recommended heatsinks: O143O243O343

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  • Documents and certificates
  • Description

    DA333-500 is an avalanche diode in disc housing. It has a repetitive peak reverse voltage VRRM of 1000-1800 V and low static losses. Mean forward current IFAV is 500А. Industry standard design enables easy installation into existing equipment. Maximal junction temperature Tjmax is 150 °C. Diameter of the contact surface is 32 mm.

    Avalanche diodes are designed for general application in systems up to 500 Hz. Anode and cathode are flat bases. Polarity of the diode is marked by a polarity symbol on its housing. Operation principle of avalanche diodes is based on the effect of reversible breakdown of the p-n junction under reverse voltage. As soon as the voltage reaches certain value set by design each avalanche diode, current sharply rises while voltage remains the same. Main role of avalanche diodes is protection of power circuits from overvoltages.

    Avalanche diodes by Proton-Electrotex have the following features:
    ∙ high resistance to electric and thermal cycling;
    ∙ low dynamic losses;
    ∙ high reliability means minimal equipment downtime;
    ∙ optimized for industrial use.

    At the customer's request Proton-Electrotex is able to select the optimal power diode for given operation modes. It is also possible to ship ready-to-use power semiconductors in assembly with heatsinks.

    To buy the DA333-500 diode, request a quotation or a technical advice, please contact the sales department by phone +7 4862 440456 or email marketing@proton-electrotex.com.

  • Applications

    Avalanche diodes are designed for static converters and other AC/DC circuits operating on standard or increased frequency requiring low reverse recovery time and high surge reverse power dissipation.

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Proton-Electrotex

Address: 19 Leskova Str., Orel, 302040, Russia, room 27, off. 14

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