Diodes

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D066-12500

Diodes

VRRM[V min]: 200
VRRM[V max]: 400
IFAV[A]: 14703
Tс°C: 85
VFM (Tc=25°C)[V]: 1,04
IFM (Tc=25°C)[A]: 6300
VF(TO)/Tjmax[V]: 0,72
rT/Tjmax[m?]: 0,026
Tj max[°C]: 180
Rthjc[°C/W]: 0,0039
Package: Housingless
Design: disc
Type: welding
Datasheet:

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  • Description

    Features of housingless welding diodes:
    - High maximal junction temperature (Tjmax) allows such diodes conduct higher current for a given cooling system
    - Low static losses
    - High resistance to electric and thermal cycles
    - Optimized weight and dimensions due to not using a ceramic housing
    - Reducing the number of contact surfaces minimized the value of thermal resistance, allowing housingless diodes conduct high current even at high fluctuations of ambient temperature
    - Two-sided cooling

  • Applications

    Welding diodes (with or without housing) are mostly used in arc welding machines requiring high current amperage. Operation in welding machines is characterized by short impulses of current causing the semiconductor structure to heat and then cool down, as a result of limitations of welding machine duty cycle (modes "operation - cooling").


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