Description

The ABB 5SDD1060F0001 is a high-power,press-pack thyristor(SCR)module rated at 1060A average current and 1600V repetitive peak off-state voltage.Designed for heavy-duty industrial power electronics,it serves as a core switching element in static excitation systems,HVDC converters,AC/DC motor drives,static VAR compensators(SVC),and large soft starters.Unlike conventional bolt-type SCRs,the 5SDD1060F0001 uses ABB’s advanced press-pack technology—eliminating wire bonds and enabling superior thermal performance,higher surge tolerance,and fail-safe short-circuit behavior under fault conditions.

Application Scenarios

At a steel rolling mill in Germany,a 20 MW DC drive system for the finishing stand relies on six parallel stacks of ABB 5SDD1060F0001 thyristors to regulate armature voltage with millisecond precision.During a coil jam event,the drive experienced a 15x overload for 800 ms.While legacy bolt-type SCRs would have catastrophically failed,the 5SDD1060F0001 units safely clamped the surge due to their robust monolithic construction and low internal inductance.Post-event diagnostics showed no degradation—production resumed within 15 minutes.This resilience stems from the 5SDD1060F0001’s press-pack design,which distributes mechanical stress evenly and avoids hot spots during extreme transients,proving why it remains the semiconductor of choice in cyclic,high-torque applications where downtime costs exceed€100K/hour.

Parameter

Main Parameters Value/Description

Product Model 5SDD1060F0001

Manufacturer ABB Ltd.(Power Semiconductors Division)

Product Category Press-Pack Thyristor(SCR)Module

Repetitive Peak Off-State Voltage(VRRM)1600 V

Average On-State Current(IT(AV))1060 A(180°conduction,TC=85°C)

Surge Current(ITSM,50 Hz)22 kA(non-repetitive,10 ms half-sine)

On-State Voltage Drop(VT)≤1.85 V(at 3000 A)

Thermal Resistance(Rth(j-c))0.012 K/W(junction-to-case)

Mounting Type Press-pack(clamped between heat sinks with 24–30 kN force)

Cooling Method Water-cooled or forced-air compatible(via insulated baseplate)

Isolation Voltage 5000 V AC(case to heatsink,1 min)

Operating Junction Temperature-40°C to+125°C

Package Style Flat,disc-type with electrically isolated ceramic case

Technical Principles and Innovative Values

Innovation Point 1:Press-Pack Monolithic Construction–The 5SDD1060F0001 eliminates internal wire bonds and solder joints,replacing them with diffusion-bonded silicon and double-sided cooling surfaces.This reduces parasitic inductance by>40%versus bolt-type SCRs,enabling faster turn-off and lower switching losses in high-frequency phase-angle control.

Innovation Point 2:Fail-Safe Short-Circuit Mode–Under extreme overcurrent,the 5SDD1060F0001 transitions into a low-resistance short rather than an open circuit—preventing destructive arcing and allowing upstream breakers to clear faults cleanly.This“graceful degradation”is critical in multi-device series/parallel stacks.

Innovation Point 3:Ultra-Low Thermal Resistance–With Rth(j-c)of just 0.012 K/W,the 5SDD1060F0001 maintains cooler junction temperatures during cyclic loads(e.g.,rolling mills,cranes),extending service life by 2–3x compared to conventional designs.

Innovation Point 4:Integrated Electrical Isolation–The ceramic case provides 5 kV isolation between the semiconductor die and the heatsink,eliminating the need for mica insulators or thermal pads—simplifying assembly and improving long-term thermal stability.

Application Cases and Industry Value

In a pumped-storage hydro plant in Switzerland,the static excitation system for a 320 MVA generator uses 24 5SDD1060F0001 thyristors in a three-phase bridge configuration.After 18 years of daily start-stop cycles,none have required replacement—thanks to the module’s fatigue-resistant press-pack design and stable thermal cycling performance.Plant engineers credit the 5SDD1060F0001 with zero excitation-related outages over the past decade.Similarly,in an Indian aluminum smelter,5SDD1060F0001 units regulate DC current in potlines handling 400 kA;their ability to withstand frequent load dumps without degradation has reduced spare parts consumption by 60%compared to previous-generation SCRs.

Related Product Combination Solutions

ABB 5SDD1200H0001:Higher-current variant(1200A)—used in ultra-high-power drives where 5SDD1060F0001 reaches thermal limits.

ABB 5SDF1060F0001:Fast-turn-off thyristor(GTO-like)—paired with 5SDD1060F0001 in hybrid snubber circuits for improved commutation.

ABB Water-Cooled Heat Sink Assembly:Optimized thermal interface—ensures uniform clamping pressure and flow for 5SDD1060F0001 stacks.

ABB Gate Driver Unit(e.g.,ABB GTS Series):Provides precise gate triggering and dv/dt protection—critical for reliable firing of 5SDD1060F0001 in series strings.

ABB Snubber Capacitor Module:Absorbs voltage spikes during turn-off—protects 5SDD1060F0001 in inductive load applications.

ABB Static Excitation Controller(e.g.,UNITROL 6000):System-level control platform that commands 5SDD1060F0001-based power bridges.

ABB Thyristor Monitoring System(TMS):Real-time health tracking—measures leakage current and thermal drift of 5SDD1060F0001 in critical installations.

ABB 5SDD0800F0001:Lower-current(800A)version—for cost-optimized designs with lighter duty cycles.

Installation,Maintenance,and Full-Cycle Support

Installing the ABB 5SDD1060F0001 requires precision:the module must be clamped between clean,flat heat sinks using a calibrated hydraulic press to achieve 24–30 kN force—ensuring optimal thermal contact and electrical parallelism in multi-device stacks.Torque sequences and surface flatness tolerances(<0.05 mm)must strictly follow ABB guidelines to prevent hot spots or mechanical fracture.For water-cooled systems,deionized coolant with conductivity<0.5µS/cm is mandatory to preserve isolation integrity.

Maintenance is largely predictive:using ABB’s Thyristor Monitoring System,operators can track on-state voltage trends to detect early wear.In non-monitored systems,annual infrared thermography during full-load operation can reveal imbalances.When replacement is needed,the press-pack design allows removal without desoldering—simply release clamping force and slide out the unit.

All 5SDD1060F0001 modules we supply are genuine ABB semiconductors,complete with original test reports(including ITSM and VT validation),traceable lot codes,and anti-counterfeit holograms.We offer pre-screened matched sets for series/parallel applications and provide torque tool kits upon request.Backed by a 24-month warranty and access to ABB power electronics specialists,our support ensures your power conversion system delivers decades of uninterrupted service.Contact us for a customized solution—because when megawatts are on the line,only engineered reliability will do.

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