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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | 5STP18H4200 |
5STP18H4200 ABB Fuse High breaking capacity Safe reliable industrial power distribution systems
The ABB 5STP18H4200 is a high-performance Gate Turn-Off Thyristor (GTO) engineered for extreme-duty applications in railway traction, heavy industrial motor drives, static VAR compensators (SVCs), and other high-power energy conversion systems. With a blocking voltage of 4200 V and an average current rating of 1800 A, this press-pack GTO delivers exceptional robustness, controllable switching, and long-term reliability—making it a cornerstone component in legacy and mission-critical power electronics infrastructure worldwide.
Product Overview: ABB 5STP18H4200
| ABB Part Number | 5STP18H4200 |
| Device Type | Gate Turn-Off Thyristor (GTO) |
| Repetitive Peak Off-State Voltage (VDRM) | 4200 V |
| Average On-State Current (IT(AV)) | 1800 A (at Tc = 85°C, half-sine wave, 180° conduction) |
| RMS On-State Current (IT(RMS)) | ~2800 A |
| Surge Current (ITSM) | Up to 30 kA (10 ms, 50 Hz) |
| Turn-Off Capability | Supports controlled turn-off up to ~1500–1800 A, depending on gate drive and snubber design |
| On-State Voltage Drop (VT) | Typically 3.0–3.4 V at rated current |
| Operating Junction Temperature (Tj) | –40°C to +125°C |
| Package | Ceramic-insulated press-pack (disc-type) for direct mounting between heat sinks |
| Mounting Force | Requires uniform clamping pressure (~15–20 kN) |
| Compliance | Designed to meet IEC 60747-6 standards for thyristor devices |
Product Images
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