ABB 5SHX0845F0001 Reverse-Conducting IGCT – 4000A RMS, Press-Pack Disc Housing, Snubberless Hard Turn-Off

Product Overview

The ABB 5SHX0845F0001​ is a high-power Integrated Gate-Commutated Thyristor (IGCT) module belonging to ABB’s renowned 5SHX series of press-pack power semiconductors. As a genuine ABB component with catalog number 3BHL000385P0101, the ABB 5SHX0845F0001​ serves as the core switching element in medium-voltage variable-frequency drives, flexible HVDC converters, and FACTS (Flexible AC Transmission Systems) apparatus where megawatt-class power conversion demands both extreme voltage blocking capability and ultra-fast, snubberless turn-off performance. Within the automation and energy landscape, the ABB 5SHX0845F0001​ functions as the literal “heart” of energy conversion—transforming DC bus energy into precisely controlled AC waveforms that drive hundreds-of-tons rotating machinery, from mine cone crushers to mega-watt water pumps.Engineered and manufactured by ABB (Switzerland/Sweden), the ABB 5SHX0845F0001​ is a Reverse-Conducting IGCT housed in a robust press-pack disc package. It delivers a repetitive peak blocking voltage (VDRM) of 4500V and a rated RMS on-state current of 4000A, with peak turn-off current capability reaching 6000A. What sets the ABB 5SHX0845F0001​ apart from legacy GTO technology is its ability to achieve hard, snubberless commutation with turn-off times of ≤1 µs and di/dt tolerance exceeding 2000 A/µs. This eliminates the need for bulky, lossy snubber circuits, dramatically shrinking power stack footprint while improving overall system efficiency. The ABB 5SHX0845F0001​ is primarily deployed inside ABB ACS1000, ACS6000 medium-voltage drives and PCS8000 converter cabinets, where it is triggered via 1 mm POF fiber-optic interface for complete EMI immunity.Designed as the third-generation RC-IGCT die packaged within the 3BHL000385P0101 power unit, the ABB 5SHX0845F0001​ offers lower conduction losses and stronger di/dt capability than its predecessor 5SHX1060H0001. With typical on-state voltage drop as low as 1.85V at 4000A, junction temperature range of -40°C to +125°C, and ≥6kV AC isolation voltage, the ABB 5SHX0845F0001​ embodies ABB’s leadership in high-power semiconductor engineering. Its press-pack construction requires 12–15 kN clamping force and double-sided forced water cooling, making it the definitive choice for applications where failure is not an option.

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Description

 

Technical Specifications

Parameter Name Parameter Value
Product Model 5SHX0845F0001
ABB Order Number 3BHL000385P0101
Manufacturer ABB (Switzerland / Sweden)
Product Type Integrated Gate-Commutated Thyristor (RC-IGCT) Power Module
Device Category Reverse-Conducting IGCT, Press-Pack
Repetitive Peak Blocking Voltage (VDRM / VRRM) 4500 V
Rated On-State RMS Current (IT(RMS)) 4000 A
Peak Turn-Off Current (ITGQM) ≈ 5500–6000 A
Typical On-State Voltage Drop (VTM) ≤ 1.85 V @ 4000 A
Gate Trigger Voltage +18 to +22 V (Turn-On) / -15 to -22 V (Turn-Off), Isolated
Peak Gate Current (IGQM) ±100 A
Turn-Off Time (toff) ≤ 1 µs (Snubberless)
di/dt Capability > 2000 A/µs
Switching Frequency Range Up to 500 Hz – 1 kHz (depending on cooling)
Surge Current (ITSM, 10 ms) ≈ 18 kA
Control Interface 1 mm POF Fiber-Optic (EMI-Immune)
Short-Circuit Withstand Time (tw) Typical 10 µs
Junction Temperature Range (Tvj) -40°C to +125°C
Isolation Test Voltage (Terminal-to-Baseplate) ≥ 6 kV AC (1 min)
Cooling Method Forced Air or Liquid Cooling (per power stack design)
Mechanical Dimensions (approx.) 310 × 173 × 41 mm
Weight (approx.) 2.0–2.2 kg
Mounting Form Press-Pack, Backplane Bolt Clamping
Required Clamping Force 12–15 kN (per hydraulic tooling manual)
Compatible Gate Drive ABB GVC7xx Series (e.g., GVC704 AE01 with 5SXE05-0151)
Certifications CE / UL / RoHS
Applicable Systems ABB ACS1000, ACS6000 MV Drives; PCS8000 HVDC/FACTS Converters

 

Main Features and Advantages

The ABB 5SHX0845F0001​ represents a quantum leap over conventional GTO thyristors, and its competitive edge begins with its snubberless hard turn-off capability. Unlike traditional GTOs that require large, lossy snubber circuits to manage turn-off transients, the ABB 5SHX0845F0001​ commutates high current directly into the gate with a turn-off time of ≤1 µs. This eliminates an entire class of passive components from the power stack, reducing cabinet volume, lowering system cost, and removing a major source of failure. The ABB 5SHX0845F0001​ effectively merges the high-current handling of a thyristor with the turn-off agility of a transistor.Ultra-low conduction losses for maximum efficiency:With a typical on-state voltage drop of just ≤1.85V at 4000A, the ABB 5SHX0845F0001​ achieves conduction losses that are a fraction of what comparable GTOs or even high-end IGBTs exhibit at this power level. This translates directly into cooler operation, smaller cooling systems, and measurable energy savings across the lifetime of the drive. The ABB 5SHX0845F0001​ ensures that megawatt-class converters operate at peak efficiency even under continuous full-load conditions.Exceptional di/dt and dv/dt robustness:The ABB 5SHX0845F0001​ handles di/dt rates exceeding 2000 A/µs and sustains dv/dt transients that would destroy ordinary semiconductor switches. This inherent ruggedness makes the ABB 5SHX0845F0001​ ideally suited for the harsh electrical environments of mine drives, rolling mill motors, and marine propulsion systems, where voltage spikes and current surges are routine challenges.Fiber-optic triggered for complete EMI immunity:The ABB 5SHX0845F0001​ employs a 1 mm POF fiber-optic interface for gate triggering, completely isolating the control electronics from the high-power switching environment. This optical isolation eliminates ground loops, rejects electromagnetic interference, and enables the ABB 5SHX0845F0001​ to operate reliably even in the most electrically noisy industrial surroundings. The fiber interface also facilitates long-distance signal transmission between the gate drive unit and the IGCT itself.Press-pack reliability and maintainability:The ABB 5SHX0845F0001​ utilizes ABB’s proven press-pack disc housing, which offers inherent advantages in high-power applications: no solder joints to fatigue, excellent thermal cycling capability, and a fail-safe short-circuit failure mode that protects downstream equipment. The press-pack design of the ABB 5SHX0845F0001​ also simplifies replacement—when a unit reaches end-of-life, it can be swapped without disrupting the surrounding power stack, minimizing mean-time-to-repair.

Contact Us WhatsApp / Wechat:+86 18150087953
Phone:+86 18150087953
Email:sales@cxplcmro.com