Our welding diodes are specially developed for high-current, low-voltage industrial applications such as resistance welding and MFDC systems. Built to handle extreme electrical and thermal cycling, these diodes offer high surge capability, low thermal resistance, and fast switching for precise and reliable performance. Available in housed and press-fit designs to suit various installation and cooling requirements.
Key Features:
Current handling from 5kA up to 18kA
Low reverse voltage ratings: 200V–600V
Low forward voltage drop for high efficiency
Fast recovery and switching performance
Excellent thermal cycling durability
Available in housed and housing-less (press-fit) packages
Low junction-to-case thermal resistance
High surge current capability
Optimized for long life under repetitive stress
Designed for continuous or pulsed operation
Applications:
Spot welding machines
Seam welding systems
Medium-frequency (MFDC) welding equipment
Automotive welding lines
Robotic resistance welding systems
Welding rectifier assemblies
Industrial welding transformers
High-current DC welding systems
| TYPE | IF(AV) A | TC | IFSM | I2t A2s | VFM | Tjm | Rjc | F KN | M | Outline |
| Up to 400v | ||||||||||
| DKWD7100 | 7100 | 85 | 200-400 | 1.5×107 | 1.05/5000 | 170 | 0.01 | 24 | 0.14 | W1 |
| DKWD10500 | 10500 | 85 | 200-400 | 2.4×107 | 1.01/5000 | 180 | 0.005 | 32 | 0.46 | W2 |
| DKWD12000 | 12000 | 85 | 200-400 | 3.6×107 | 0.99/5000 | 170 | 0.006 | 35 | 0.205 | W3 |
| DKWD13500 | 13500 | 85 | 200-400 | 3.6×107 | 0.97/5000 | 180 | 0.0039 | 35 | 0.14 | W4 |
| DKWD16000 | 16000 | 85 | 200-400 | 7.2×107 | 0.92/5000 | 170 | 0.004 | 37 | 0.57 | W5 |
| DKWD18000 | 18000 | 85 | 200-400 | 9.1×107 | 0.9/5000 | 170 | 0.004 | 40 | 0.58 | W5 |
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