Friends Industrial Suppliers Pvt. Ltd.

• ROHS CompliantYes
• Part NumberIRKH130
• MakeElesemi
• Country of OriginMade in India

The PWB‑130A‑40 is a high‑current, non‑isolated thyristor (SCR) module designed for use in three‑phase rectifier circuits and other DC power applications. It is manufactured by SanRex.  

• High current capacity: With continuous average current ratings (130 A) and RMS ratings (204 A), the module is capable of handling substantial DC output loads.

• High surge tolerance: The module can withstand large short‑term surge currents, making it suitable for applications with abrupt current demands (e.g. motor starting, rectifier charging, etc.).

• Robust temperature ratings: With ability to operate up to +150 °C, useful in applications with elevated ambient or where cooling is less than ideal.

• Non‑isolated design: That means the mounting base is electrically at the same potential as one of the SCRs (common anode). This simplifies mechanical design in some systems but requires careful consideration of insulation if mounting on a heatsink or chassis.

• Gate drive relatively modest: Triggering requires relatively low gate current/voltage, enabling use of standard driving circuits.

• Three‑phase controlled rectifiers feeding DC loads (e.g. DC drives, battery charging systems)

• Welding power supplies

• Industrial DC power supplies with high current demands

• Power conversion systems where controlled rectification is needed

• Motor control / slip‑recovery circuits

• Because it is non‑isolated, the heatsink or mounting surface must be properly insulated or earthed depending on the circuit.

• Cooling is critical. These modules generate heat proportional to current, so adequate heatsinking or forced air cooling is necessary to maintain safe junction temperatures.

• Surge currents: although it can handle high surge, repeated surges or over‑stress can shorten life.

• Gate drive: ensure that the gate circuit can reliably supply the needed trigger current and voltage, especially under lower temperatures or marginal conditions.