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A&S Thyristor Co., Ltd. supplies a wide selection of ABB thyristors, including bi-directional controlled models like 5STB 24Q2800 and 5STB 24N2800, as well as gate turn-off (GTO) symmetric and asymmetric variants such as 5SGS 16H4500 and 5SGA 30J4502. These components are used in high-power switching applications, with voltage ratings up to 4500 V and current ratings in the kiloampere range for industrial power conversion.
Thyristors from ABB are classified by type: symmetric (bidirectional), asymmetric (unidirectional) and GTO (gate turn-off) for precise control. Typical industry standards for these devices include voltage blocks of 2500 V to 4500 V, current ratings from 100 A to 3000 A and switching frequencies up to several kHz. The 5STB series, for example, is often used in AC drives and static exciters, while 5SGS models are suited for high-voltage DC (HVDC) systems.
Industrial buyers source these thyristors for motor drives, renewable energy inverters and industrial heating systems. A&S Thyristor Co., Ltd. positions itself as a stockist for multiple ABB series, enabling rapid fulfilment for replacement or new projects. Buyers must confirm exact part numbers, voltage/current ratings and package types, as lead times and MOQs depend on availability and supplier agreements.
| Manufacturer | ABB |
| Model Series | 5STB, 5SGS, 5SGA, 5SGF |
| Type | Bi-directional controlled, Gate Turn-off symmetric, Gate Turn-off asymmetric standard, Gate Turn-off asymmetric buffer layer |
| Typical Voltage Rating | 2500 V to 4500 V (standard for ABB high-power thyristors) |
| Typical Current Rating | 100 A to 3000 A (standard for industrial thyristor modules) |
| Typical Switching Frequency | Up to 10 kHz (standard for GTO thyristors in inverter applications) |
| Typical Package Type | Hockey-puck, module or stud mount (standard for ABB thyristors) |
| Typical Operating Temperature | -40 to 125 °C (standard for silicon-based thyristors) |
| Typical Gate Trigger Current | 50 to 200 mA (standard for ABB thyristor gates) |
| Typical Standards Compliance | IEC 60747-6, RoHS (standard for semiconductor power devices) |
A&S Thyristor Co., Ltd. is headquartered in Chengdu, Sichuan, China, at No.469 Xinsheng Road, Gaoxin District. The company specialises in supplying thyristors and rectifiers from multiple brands, including ABB, with a focus on high-power semiconductor devices for industrial applications. The supplier’s profile indicates it can provide a broad range of ABB models, but no response rate, verification signals or trust tier details are disclosed.
The company lists no certifications, export history or client references, so buyers should verify its authorisation to distribute ABB products. Confirm whether the thyristors are new, surplus or refurbished, and request proof of traceability to ABB’s original manufacturing lot. A&S Thyristor Co., Ltd. does not provide details on stock levels, lead times or MOQs, so these must be negotiated directly.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before ordering, confirm the exact part number, voltage and current ratings, and package type with A&S Thyristor Co., Ltd. Verify that the thyristor’s electrical characteristics (e.g., V_FM, V_GT, switching speed) meet your circuit’s requirements. Request manufacturer datasheets and, if available, lot-specific test reports to ensure traceability and performance.
Clarify logistics details such as lead time, MOQ and Incoterms (e.g., FOB Shanghai, CIF Rotterdam) with A&S Thyristor Co., Ltd. For China-based suppliers, common payment terms include TT (30% deposit, 70% before shipment) or LC. Confirm the supplier’s ability to handle export documentation, such as commercial invoices and packing lists, to avoid customs delays.
Upon receipt, inspect the thyristors for physical damage, correct part numbers and compliance with specified ratings. Perform electrical tests, such as forward voltage drop and gate trigger sensitivity, to validate performance. For critical applications, consider third-party inspection or burn-in testing to ensure reliability before integration into your system.
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When importing Abb Thyristor from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
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