Description
The Infineon (formerly Eupec / International Rectifier) D1031SH45TS02 (also cataloged under ABB part number 3BHB006457R0001) is a high-power fast recovery diode disc designed for heavy industrial applications, frequently deployed as a freewheeling diode or rectifier in medium-voltage drives such as the ABB ACS6000 series.
Procurement and Availability Status
- Condition: New Surplus / Factory Sealed / Refurbished Tested (verify specific stock lot upon inquiry)
- Standard Lead Time: 3 to 5 business days for stock items; 3 to 6 weeks if factory allocation is required
- Warranty: 12-month standard replacement warranty
- Pricing Note: Listed price is indicative and subject to market conditions. Contact our sales desk for a firm, project-specific quotation.
Technical Specifications
| Parameter | Value |
| Manufacturer | Infineon (Eupec) / ABB OEM Spare |
| Product / Catalog Number | D1031SH45TS02 / 3BHB006457R0001 |
| Device Type | Fast Recovery Diode Disc / IGCT Freewheeling Diode |
| Repetitive Peak Reverse Voltage (V_{RRM}) | 4,500 V (4.5 kV) |
| Average Forward Current (I_{FAV}) | Approx. 1,030 A to 1,470 A (dependent on heatsink thermal cooling) |
| Surge Current Rating (I_{FSM}) | 23 kA (max peak surge) |
| Forward Voltage (V_{TM}) | Max 4.2 V at specified test conditions |
| Package / Housing | Hermetically sealed ceramic disc capsule (100 mm diameter class) |
| Mounting Requirements | Clamp mounting with specific clamping force (verify with OEM mechanical datasheet) |
| Operating Temperature Range | 0 to +140°C |
Engineering and Integration Notes
In high-power medium-voltage inverter stacks, proper mechanical clamping force is critical for both electrical contact and thermal dissipation.
- Clamping Force: Ensure the pneumatic or hydraulic clamp applies the precise clamping force recommended by the manufacturer. Under-clamping increases thermal resistance and can cause premature device failure due to local overheating; over-clamping can fracture the internal silicon wafer.
- Surface Preparation: Clean the pole pieces and heatsink contact surfaces with an approved solvent (such as anhydrous isopropyl alcohol) before installation. Apply a thin, uniform layer of high-temperature thermal joint compound if specified.
- Polarity Verification: Confirm cathode and anode orientations match the snubber and busbar layout prior to mechanical assembly. Reversing polarity in a high-voltage DC link will result in catastrophic component failure upon energization.
Frequently Asked Questions
Q: What drives use the D1031SH45TS02 module?
A: This diode disc is primarily utilized as a high-reliability semiconductor component in ABB medium-voltage drives, specifically within the ACS6000 converter family and comparable high-power rectifier/inverter stacks.
Q: Are mounting clamps included with the semiconductor cell?
A: No. The unit is supplied as a discrete semiconductor capsule. Heatsinks, thermal grease, and clamping hardware must be sourced separately or retained from the existing assembly.
Q: How do I verify the date code and batch quality of surplus stock?
A: Request a high-resolution photograph of the laser-etched capsule marking and ceramic body from your supplier prior to dispatch to inspect for handling marks or manufacturing date traceability.
