Weihai Singa Electronics — Power Semiconductor Modules & Automation Components
Global sourcing of high-performance power semiconductor modules by Weihai Singa Electronics (China). Advanced SG-G series IGBT modules, MOSFET switches, thyristor blocks, SSR relays, and IPDM intelligent power modules for industrial drives from SpareX.
SG-G Series Power IGBT Modules
Weihai Singa SG-G series power IGBT modules utilize Trench and SPT+ silicon dies across 600V to 1700V ratings and 25A to 800A collector currents. Designed with copper baseplates, half-bridge, three-phase, and PIM layouts deliver dependable high-frequency switching in motor inverters.
- Collector-emitter voltage ratings spanning 600V to 1700V with currents from 25A up to 800A
- Half-bridge HF, three-phase bridge FF, and PIM configurations on solid copper baseplates
- Trench and SPT+ die technologies ensuring low saturation voltage and high short-circuit ruggedness
- Standard package footprints including G1, G2, G4, and high-power industrial formats A1 and A2
SG-MF Series Power MOSFET Modules
Weihai Singa SG-MF series power MOSFET modules are engineered for high-frequency power supplies, welding equipment, and DC-DC converters. Advanced Trench MOSFET silicon combined with electrically isolated copper substrates minimizes dynamic switching energy losses under load.
- Ultra-low drain-source on-state resistance RDS(on) reducing conduction thermal dissipation
- High-speed half-bridge HF, H-bridge HH, and discrete single-transistor module layouts
- Isolation dielectric strength exceeding 2500V AC between internal terminals and baseplate
- Compact industrial housing formats E1 and G1 enabling high power density cabinet layouts
FRD Fast Recovery Diode Modules
Weihai Singa FRD fast recovery diode modules are developed for snubber circuits, freewheeling branches in inverters, and high-voltage power supplies. Ultra-fast reverse recovery times trr and soft recovery behavior suppress transient voltage spikes and protect companion IGBT dies.
- Reverse recovery time trr rated between 35ns and 100ns under high di/dt commutation conditions
- Common cathode, common anode, and series half-bridge internal diode arrangements
- Continuous forward current ratings up to 400A with peak reverse voltages up to 1200V
- Enhanced avalanche energy capability protecting against steep switching overvoltage transients
SG-M Series Thyristor and Diode Modules
Weihai Singa SG-M series thyristor and rectifier modules are supplied in M1, M2, M3, and press-pack formats. Rated for continuous currents up to 800A and repetitive peak voltages up to 2200V, these assemblies ensure robust phase-angle power control across motor drives and heaters.
- Internal circuits include half-bridge TC, anti-parallel TX, and three-phase bridge TS
- Repetitive peak off-state and reverse voltage ratings from 1200V up to 2200V
- High surge current withstand capability ITSM delivering dependable short-circuit tolerance
- Heavy copper baseplates across M1, M2, and M3 package types ensuring low thermal resistance
SG Series Solid State Relays (SSR)
Weihai Singa SG series solid state relays, comprising single-phase SG-D, three-phase SG-T, and DC-switching SG-Z lines, provide contact-free switching with 4000V optical isolation. Models incorporate zero-crossing control for low electrical noise or random turn-on for phase firing.
- Switched load voltage spans 40V to 600V AC with continuous current ratings up to 200A
- High galvanic optical isolation between 3-32V DC control inputs and power lines up to 4000V
- Available in zero-voltage switching Z and random instantaneous trigger R configurations
- Integrated TVS clamping and RC snubber network guarding against line voltage spikes
IPDM Intelligent Power Drive Modules
Weihai Singa IPDM intelligent power modules across the SG-VDA single-phase and SG-VTA three-phase lines integrate power thyristors, phase-shift trigger electronics, and thermal protection. Encapsulated in heavy-duty housings, they provide precise power regulation for industrial loads.
- Compatible with control inputs including 4-20mA, 0-5V, 0-10V, and manual potentiometers
- Continuous load current handling from 50A to 350A across 240V and 440V industrial lines
- Linear output power characteristic ensuring smooth proportional regulation without hunting
- Isolated mounting plate formats S1, S2, and S3 incorporating thermal shutdown protection
Power Semiconductor and Electronic Module Portfolios of Weihai Singa
Weihai Singa Electronics Co., Ltd. manufactures advanced power semiconductor modules incorporating Trench IGBT, MOSFET, FRD diode, thyristor, and solid state relay technologies.
These robust power modules serve frequency inverters, industrial motor drives, renewable solar converters, uninterruptible power supplies, and induction heating equipment.
The comprehensive catalog encompasses SG-G series IGBT modules rated from 600V to 1700V and up to 800A, SG-MF high-speed power MOSFETs, SG-M heavy copper base thyristor assemblies, SG-D and SG-T solid state relays with 4000V optical isolation, and IPDM intelligent power regulation units.
Engineering Selection and Application Guidelines for Singa Power Modules
Selecting Singa power semiconductor components requires analyzing peak collector-emitter operating voltages, continuous DC currents at specified heatsink temperatures, and dynamic switching energy dissipation.
For industrial variable frequency drives, half-bridge HF topologies or integrated PIM modules with dynamic brake choppers provide compact layouts.
When managing high-current electric heating furnaces, Singa IPDM intelligent power regulators with proportional 4-20mA control loops deliver smooth linear temperature modulation.
SpareX engineering specialists assist global clients with heatsink thermal modeling, gate driver matching, and electrical isolation verification.
Weihai Singa Electronics and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Weihai Singa Electronics and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
Related equipment manufacturers
- Equipment and parts for Hiperbaric
- Equipment and parts for SAIREM
- Equipment and parts for IcanClave
- Equipment and parts for STELA Laxhuber
Documents and sources
- Weihai Singa factory profile — power semiconductor enterprise and manufacturing program
- Manufacturing facility and contact data — factory location in Weihai City
- Power IGBT modules catalog — half-bridge, three-phase, and PIM configurations
- Solid state relays SSR — single-phase, three-phase, and reversing relays
- IPDM intelligent modules — voltage regulation and power control units
- Technical guidelines and naming rules — Weihai Singa module specifications
