Product Core Brief

• Model: 3BHL000986P0006
• Brand: ABB
• Series: ABB Power Semiconductor / IGCT Freewheeling Diode Series
• Integration Role: High-voltage disc-type power semiconductor module used as a freewheeling diode in IGBT/IGCT power converter stacks — widely deployed in ABB ACS880 industrial drives, PCS100 UPS-I systems, wind power converters, and marine propulsion drives.
• Product Type: Power Semiconductor Module (IGBT/Diode)
• Key Specs: 2800V DC rated voltage (4500V max) | 24V DC gate/control supply | Disc package (100mm diameter × 26mm height) | Peak reverse current 23,000A | Forward voltage drop 4.2V/2.5kA | Operating temperature -15°C to +40°C
• Note: Condition: New Original (New Surplus)

Key Technical Specifications

• Product Type: Power Semiconductor Module (IGBT/Diode)
• Brand: ABB
• Model Number: 3BHL000986P0006
• Series: ABB Power Semiconductor / IGCT Freewheeling Diode Series
• Origin: Switzerland
• Module Function: Freewheeling diode in IGBT/IGCT power converter stacks — provides reliable reverse-current path for power switching components, ensures efficient and stable operation of MV/LV drive systems
• Voltage Rating: 2800V DC nominal, 4500V maximum repetitive peak reverse voltage (VRRM)
• Control Supply: 24V DC
• Current Capacity: Maximum repetitive peak reverse current (IFSM) up to 23,000A — handles instantaneous large current surges under complex power fluctuations
• Forward Voltage Drop: 4.2V at 2.5kA (at maximum junction temperature) — precise voltage drop control improves power conversion efficiency and reduces energy loss
• Package Type: Disc-type package with excellent electrical insulation and mechanical stability
• Physical Dimensions: 100mm diameter × 26mm height (compact disc design optimizes space utilization in converter cabinets)
• Operating Temperature: -15°C to +40°C
• Typical Applications: ABB ACS880 industrial drives (pump, fan, compressor VFDs); PCS100 UPS-I uninterruptible power systems; wind power converters (DFIG and full-power); marine propulsion drives; traction systems; energy storage PCS; industrial power conversion and regenerative braking applications
• Weight: Approximately 0.5–1.0 kg (disc module)

Product Introduction

The ABB 3BHL000986P0006 is a high-voltage disc-type power semiconductor module from ABB’s IGCT freewheeling diode series, engineered as a critical component in IGBT/IGCT power converter stacks. As a freewheeling diode, it plays an indispensable role in power electronic equipment — providing a reliable reverse-current path for power switching components, protecting them from voltage transients, and ensuring efficient, stable operation of medium- and low-voltage drive systems.

This module is distinguished by its exceptional voltage and current ratings: a 2800V DC nominal voltage (4500V maximum VRRM) enables stable operation in high-voltage environments, effectively resisting reverse voltage shocks. The maximum repetitive peak reverse current of 23,000A provides strong current-carrying capacity to meet the demands of instantaneous large-current surges — a critical requirement in MV drive applications where power fluctuations are frequent and severe.

The forward voltage drop characteristic of 4.2V at 2.5kA (at maximum junction temperature) is precisely controlled to minimize conduction losses and improve overall power conversion efficiency. This is particularly important in high-power applications where even small improvements in efficiency translate to significant energy savings over the equipment’s lifetime.

The disc-type package (100mm diameter × 26mm height) offers excellent electrical insulation performance and mechanical stability, while the compact form factor allows efficient layout in space-constrained converter cabinets. This design is standard for ABB’s high-power semiconductor modules and is compatible with ABB’s press-pack converter assemblies used in ACS880, PCS100, and wind power converter platforms.

The module operates on a 24V DC control supply and is designed for industrial environments with an operating temperature range of -15°C to +40°C. Its robust construction ensures reliable performance in demanding applications including industrial VFDs, marine propulsion, traction systems, renewable energy converters, and energy storage PCS installations.

System integrators and maintenance engineers specify this module for its proven reliability in ABB drive platforms, precise electrical characteristics that minimize conversion losses, and true drop-in replacement compatibility with ABB system interfaces — minimizing retrofit risk and reducing commissioning time on both new installations and replacement projects.

Installation & Integration Notes

• Voltage Rating Verification: This module is rated for 2800V DC nominal (4500V max VRRM). Before installation, verify that your converter stack’s DC bus voltage and transient voltage levels are within the module’s rated specifications. Exceeding the voltage rating will cause immediate module failure.
• Current Capacity Matching: The module supports up to 23,000A peak reverse current. Verify that your application’s peak current demands do not exceed this rating, and ensure adequate thermal management (heat sink, cooling system) to handle the conduction losses at your operating current.
• Disc Package Mounting: The disc-type package requires proper mechanical clamping force to ensure good thermal and electrical contact. Follow ABB’s recommended torque specifications for the press-pack assembly — insufficient clamping force causes high contact resistance and overheating; excessive force damages the module.
• Thermal Management: Ensure the heat sink surface is clean, flat, and properly prepared with thermal interface material. Verify that the cooling system (air or liquid) is functioning correctly before energizing the converter. Overheating is the leading cause of premature power module failure.
• Gate/Control Supply: The module operates on a 24V DC control supply. Verify that the gate driver board provides the correct voltage and current to the module’s control terminals. An incorrect gate drive signal can cause incomplete switching, leading to excessive losses and module failure.
• Snubber Circuit Verification: In high-voltage converter applications, verify that the snubber circuits (RC or RCD) are properly connected and functioning. Snubber circuits protect the module from voltage transients during switching and are essential for reliable operation.
• ESD-Safe Handling: As a power semiconductor device, the 3BHL000986P0006 requires ESD-safe handling procedures. Always use an anti-static wrist strap when handling the module outside of its protective packaging. Avoid touching the disc surfaces or terminal areas directly.
• Compatibility: This module is designed for ABB ACS880, PCS100, and related power converter platforms. Always cross-reference the full part number (3BHL000986P0006) against your system’s spare parts list, as revision-specific variants may have different electrical characteristics or mechanical dimensions.
• Converter Stack Assembly: When installing the module in a press-pack converter stack, verify that all modules in the stack are matched for voltage and current ratings. Mismatched modules can cause uneven voltage distribution and premature failure of individual devices.

Integrator’s FAQ

What applications is this power module best suited for? The 3BHL000986P0006 is primarily used as a freewheeling diode in ABB ACS880 industrial drives, PCS100 UPS-I systems, wind power converters, and marine propulsion drives. It is suitable for any application requiring a high-voltage (up to 4500V), high-current (up to 23,000A peak) disc-type power semiconductor in a press-pack converter assembly.

Can this module be used in non-ABB converter systems? Yes, provided the electrical specifications (voltage, current, package dimensions, gate drive requirements) are compatible with your converter design. The disc-type package is a standard form factor for high-power semiconductors, and the module can be integrated into third-party press-pack assemblies. However, verify all electrical and mechanical compatibility before integration.

What is the difference between this module and a standard IGBT module? The 3BHL000986P0006 is a freewheeling diode module, not an IGBT. It is designed to provide a reverse-current path for IGBTs in a converter stack, protecting them from voltage transients during switching. IGBT modules are active switching devices, while this diode module is a passive component that conducts only when the IGBT is off. Both are essential components in a complete converter assembly.

How do I verify the module is functioning correctly? Use a multimeter to check the forward voltage drop across the module — it should be approximately 4.2V at rated current (or proportionally lower at reduced current). Check for shorts between the anode and cathode (there should be no continuity in the reverse direction). If the module is installed in a converter stack, verify the gate drive signals and DC bus voltage before energizing.

What causes premature failure of this type of module? The most common causes of failure are: (1) Overvoltage — exceeding the 4500V VRRM rating; (2) Overcurrent — exceeding the 23,000A peak rating; (3) Overheating — inadequate thermal management or cooling system failure; (4) Insufficient clamping force — poor mechanical contact in the press-pack assembly; (5) Incorrect gate drive — improper 24V DC control supply. Proper installation and operation within rated specifications will ensure long module life.

What warranty do you offer on New Surplus parts? We provide a full 12-month warranty on all New Original / New Surplus units. This is fundamentally different from refurbished power modules, which often carry 30–90 day warranties and come with unknown thermal cycling history, degraded semiconductor characteristics, and potential micro-cracks in the disc package. For mission-critical drive applications, the cost of an unexpected module failure — measured in unplanned downtime and potential damage to the entire converter stack — far exceeds any upfront savings from a used part.

Why is your pricing lower than OEM direct but higher than used parts? Our pricing reflects New Original / New Surplus inventory sourced from factory overstock and authorized distributors. You pay less than OEM list because these are surplus units, not current production. You pay more than used/refurbished because the part has zero operating hours, no thermal aging on the semiconductor junction, and no degradation of the disc package or terminal surfaces. For high-power converter applications, the reliability difference between new surplus and refurbished is not marginal — it’s the difference between a planned maintenance replacement and an emergency converter failure during operation.