The ABB 5SHY 35L4520 (5SXE08-0167 AC10272001R0101) is an Integrated Gate-Commutated Thyristor (IGCT) designed for high-power industrial applications. This robust semiconductor device delivers reliable switching performance in medium-voltage drives, FACTS, and industrial converters. With low conduction losses, high surge current capability, and integrated gate drive, it ensures efficiency in demanding environments like power transmission, mining, and steel production.

ABB IGCT 5SHY35L4520 (5SXE08-0167 / AC10272001R0101)  

This is a high-voltage, high-power asymmetric IGCT module from ABB (now Hitachi Energy), commonly known as an "integrated gate-commutated thyristor." It belongs to the 4500V/4000A class of power semiconductors and is used in medium- and high-voltage frequency conversion, drive systems, and power quality equipment.

I. Model Breakdown (Three Part Numbers Provided)  

5SHY35L4520: Main model (IGCT body)  

5SXE08-0167: Gate driver board / control card (matching driver)  

AC10272001R0101: Assembly part number (includes module + driver + heat sink)  

Category: Silicon-controlled / Thyristor-based (IGCT is essentially an advanced version of high-power thyristors)

Key Specifications (5SHY35L4520)  

Type: Asymmetric IGCT (asymmetric, non-buffered turn-off)  

Blocking voltage: 4500 V  

Maximum turn-off current: 4000 A  

Repetitive peak current: 3500 A  

On-state voltage ｄｒｏｐ: ≈2.2 V @ 4000 A  

Switching frequency: ≤1 kHz (optimized for medium frequency)  

Operating temperature: −40 ℃ ~ +150 ℃  

Dimensions (module assembly): 439 × 173 × 41 mm  

Weight: 2.9 kg  

Cooling method: Water-cooled / Forced air-cooled (press-fit, double-sided heat dissipation)  

Control interface: Optical fiber triggering + status feedback 

Matching Relationship (5SXE08-0167)  

5SXE08-0167: Dedicated gate drive unit (GDU) for IGCT, responsible for optical signal decoding, gate charging/discharging, overcurrent/overvoltage protection, and status feedback.  

Must be paired one-to-one with 5SHY35L4520; other drive models cannot be mixed.  

Supply voltage: 24 VDC ±10%; power consumption: ≈50 W.

Typical Applications  

Medium and high-voltage frequency converters (2.3 kV ~ 4.16 kV): rolling mills, mine hoists, ship propulsion  

Power quality: SVG/STATCOM, active filters  

High-voltage direct current (HVDC) transmission, wind power / photovoltaic grid-connected inverters  

Traction: locomotive / EMU traction inverters

Key Features (Compared to GTO/IGBT)  

✅ Snubberless turn-off: simplifies system design, reduces cost, and improves reliability  

✅ Low conduction loss: 30%–50% lower than IGBTs at the same voltage level, ideal for high-current continuous operation  

✅ High EMI immunity: fiber-optic isolation enables reliable operation in harsh industrial environments  

✅ Press-fit packaging: dual-sided heat dissipation, long service life, and supports series connection (up to 10 kV+)