Email: sales@runshengdcs.com
WhatsApp / Wechat：+86 15383419322
Phone：+86 15383419322Description
The ABB 5SDF1045H0002 is a high-performance Press-Pack Diode Module engineered for ABB’s medium-voltage drive systems, delivering ultra-efficient AC/DC rectification in megawatt-scale power conversion applications. As a critical component of industrial drives like the ACS5000 and ACS6000 series, this module utilizes advanced silicon technology to achieve exceptionally low forward voltage drop (1.23V) while handling surge currents up to 36kA. The 5SDF1045H0002 features a hermetic ceramic-metal seal design with integrated NTC temperature sensors, enabling reliable operation in harsh environments with coolant temperatures up to 85°C. Its symmetrical pressure contact structure ensures uniform current distribution across silicon wafers, significantly extending service life in cyclic loading applications. For steel rolling mills, mining conveyors, and marine propulsion systems requiring rugged power electronics, this diode module sets the benchmark for efficiency and thermal stability.
ABB 5SDF1045H0002
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 5SDF1045H0002 |
| Manufacturer | ABB |
| Product Type | Press-Pack Diode Module |
| Max Repetitive Reverse Voltage | 5200V |
| Average Forward Current | 1045A @ 85°C |
| Surge Current (10ms) | 36kA |
| Forward Voltage Drop | 1.23V typ. @ 1045A |
| Thermal Resistance | 0.013 K/W (junction-to-case) |
| Isolation Voltage | 6.5kV AC (1 min) |
| Operating Junction Temp | -40°C to +125°C |
| Cooling Requirement | Liquid cooling (ΔT=35K) or forced air >3m/s |
| Mounting Force | 50-60 kN |
| Weight | 2.1 kg |
| Dimensions | 140 x 140 x 30 mm (LxWxH) |
| Compliance | IEC 60747, UL 508, DNV-GL |
Main Features and Advantages
Ultra-Efficient Conduction: Optimized wafer geometry reduces conduction losses by 18% versus previous generations, saving >8MWh annually in 5MW drive systems.
Cyclic Load Endurance: Asymmetric contact design withstands 150,000 thermal cycles (ΔTj=100°C) – essential for reversing rolling mills with frequent load direction changes.
Real-Time Thermal Monitoring: Dual embedded NTC sensors provide junction temperature feedback to drive controls, enabling derating strategies before thermal overload.
Failsafe Mechanical Design: Controlled fracture mechanics during overload prevents explosive failures, containing arc faults within the ceramic enclosure.
Corrosion-Resistant Construction: Gold-plated copper electrodes and alumina ceramic insulators withstand glycol-based coolants in marine applications.
Application Field
The ABB 5SDF1045H0002 powers critical industrial infrastructure:
Steel Industry: Main rectifiers for 8-12MW reversing mill drives handling 100+ daily load reversals
Marine Propulsion: Input rectification in Azipod® thruster drives with saltwater cooling systems
Mining Shovels: Regenerative braking converters for 10,000-ton excavators
Hydroelectric Plants: Excitation systems for 500MW generators requiring 50-year reliability
Test Benches: High-current DC supplies for locomotive traction motor validation
The module’s seismic certification (IEC 60068-3-3) ensures performance in earthquake-prone regions like Chilean copper mines.
ABB 5SDF1045H0002
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