The SQL-100A is a 1600V, 100A three-phase bridge rectifier ideal for AC to DC conversion in high-power industrial and motor control applications.
SQL-100A Three Phase Bridge Rectifier 1600V 100A
The SQL-100A Three Phase Bridge Rectifier 1600V 100A is a high-power semiconductor device designed for converting three-phase AC (alternating current) input into DC (direct current) output. With a voltage rating of 1600V and a current capacity of 100A, this rectifier is suitable for industrial applications that require reliable and efficient power conversion.
The device typically features a compact, fully encapsulated module design for enhanced thermal management and mechanical protection. Internally, it integrates six high-power diodes arranged in a full bridge configuration, allowing it to efficiently handle high current loads while maintaining stable output. The SQL-100A is often used in power supplies, motor drives, battery chargers, and welding equipment, where robust performance under continuous or cyclic loading is critical.
This rectifier module also offers features such as screw terminals for secure electrical connections, a heat-sinkable base plate for effective heat dissipation, and high surge current capability to handle short-term overloads. Overall, the SQL-100A 1600V 100A bridge rectifier is a durable and efficient solution for demanding industrial and power electronics environments.
Features:
- High Current Capacity Rated for continuous current up to 100A, suitable for heavy-duty industrial applications.
- High Voltage Rating Maximum repetitive reverse voltage (V<sub>RRM</sub>) of 1600V, providing ample margin for typical 3-phase AC supply systems.
- Three-Phase Full Bridge Configuration Contains 6 high-power diodes in a bridge arrangement for converting 3-phase AC to DC efficiently.
- Compact Encapsulated Module: Designed for space-saving installations and improved safety and durability.
- Heat Sink Mountable Base Aluminum or copper baseplate allows for direct mounting to heat sinks, ensuring effective thermal management.
- High Surge Current Handling Capable of withstanding high peak forward surge current (I<sub>FSM</sub>) for short-term overload protection.
- Isolated Package Electrically isolated base for simplified mounting and reduced insulation requirements.
- Easy Installation Equipped with screw terminals for secure and convenient electrical connections.
Specifications:
- Model: SQL-100A
- Bridge Rectifier Type: Three Phase
- Maximum Repetitive Peak Reverse Voltage: 1600V
- Maximum RMS Voltage: 860V
- Maximum Mean Forward Current: 100A
- Maximum DC Blocking Voltage: 1600V
- Forward Surge on-State Current: 400A
- Diode Forward Voltage Drop: 1.1V
- Reverse Leakage Current:
- At T=25 °C 10µA
- At T=100 °C 200µA
- Operating Temperature Range: -40°C to +125°C
- Storage Temperature Range: -40°C to +150°C
- Maximum Junction Temperature (T<sub>j</sub>): 150°C
- Maximum Repetitive Peak Reverse Current: 10mA
- Isolation Voltage: 2500VAC
- Thermal Impedance Node to The Shell: 5 °C/W
- Thermal Impedance Node to The Powder: 8 °C/W
- Weight: 315 gram
- Dimensions Without Pins(LxWxH): 98 x 60 x 30 mm
- Dimensions With Pins(LxWxH): 98 x 60 x 55 mm
- Mounting Type: Screw Terminal
- Mounting Method: Screw-mount with heat sink
- Cooling Requirement: External heat sink required
- Package Type: Metal case, high heat dissipation

Applications:
- Industrial motor drives.
- Battery chargers.
- DC power supplies.
- Welding machines.
- Power inverters and UPS systems.
- Renewable energy systems (wind/solar rectification).
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