about us
Electronics Manufactur
Runau Electronics Manufacturing Co., Ltd. is a leading manufacturer of power semiconductor devices in China. For nearly 30 years, Runau has acquired the expertise to provide the most innovative solutions to ensure the reliable performance of power electronics devices. Whenever matters required, our technicians, engineers, production team and sales force work closely with our customers to ensure the high quality, availability, and energetic performance of their electrical facilities.
PRODUCTS
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CHIP
High quality standard
Excellent consistency parameters
Thyristor chip: 25.4mm–99mm
Rectifier chip: 17mm–99mm -
THYRISTOR
Phase Control Thyristor
Rating 100-5580A 100-8500V
Fast Switch Thyristor
Rating 100-5000A 100-5000V -
PRESS-PACK IGBT (IEGT)
High power capacity
Easy series connected
Good anti-shock
Excellent thermal performance -
POWER ASSEMBLIES
Rotating rectifier excitation
High voltage stack
Rectifier bridge
AC switch -
RECTIFIER DIODE
Standard Diode
Fast Diode
Welding Diode
Rotating Diode -
HEATSINK
SF Series Air Cool
SS Series Water Cool -
power module series
International standard package
Compress structure
Excellent temperature characteristics
Easy install and maintain
For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.
INQUIRYFEATURE PRODUCTS
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Thyristor Chip
?Every chip is tested at TJM , random inspection is strictly prohibited.
?Excellent consistency of the chips parameters
?Low on-state voltage drop
?Strong thermal fatigue resistance
?The thickness of cathode aluminum layer is above 10μm
?Double layers protection on mesa
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High Standard Thyristor
? Higher production standard applied
? Ultra-low on-state voltage drop
? Suitable for series or parallel connection circuit with matched Qrr and VT values
? Better performance than general purpose phase control thyristor
? Designed specifically for power grid and higher requirement
? Product quality is normal military purpose
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Free Floating Phase Control Thyristor
? Free-floating silicon technology
? Low on-state voltage drop and switching losses
? Optimum power handling capability
? Distributed amplifying gate
? Traction and transmission
? HVDC transmission / SVC / High current power supply
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High Standard Fast Switch Thyristor
? New designed enlarge gate structure
? Planar production process
? Ruthenium-plated molybdenum disc
? Low switching loss
? High di/dt performance
? Suitable for Inverter, DC chopper, UPS and pulse power
? Designed specifically for power grid and higher requirement
? Product quality is normal military purpose
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GTO Gate Turn-Off Thyristor
GTO manufacturing technology was introduced to Runau in the 1990s from UK Marconi. And the parts were supplied to global users with reliable performance and featured in:
? The positive or negative pulse signal triggers the device to turn on or turn off.
? Mainly used for high-power application beyond megawatt level.
? High withstand voltage, high current, strong surge resistance
? Inverter of electric train
? Dynamic reactive power compensation of power grid
? High power DC chopper speed regulation
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Welding Diode
? High forward current capability
? Ultra-low forward voltage drop
? Ultra-low thermal resistance
? High operational reliability
? Suitable for intermediate or high frequency
? Rectifier of inverter type resistance welder
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High standard Power Module
? High quality manufacture standard, international brand module case
? Designed for users with higher performance requirement
? Electric insulation between chip and baseplate
? International standard package
? Compress structure
? Excellent temperature characteristics and power cycling capability
APPLICATION
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thyristor rectifier GTO for Electric Train
High power rectifier diode and thyristor supplied by Runau Electronics form the bridge rectifier circuit, which can realize the smooth voltage regulation between stages. Safe and Reliable. 2200V 2800V 4400V
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Soft Start
Lower conductive voltage drop, stronger over-current capability, higher impact&voltage resistance with the most cost efficient solution, Runau thyristor provide all the satisfaction of soft starter comprehensive application perfectly.
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Welding Machine
Welding diode also known as ultra-high current FRD diode, featured in high current density, very low on-state voltage and very low thermal resistance, low threshold voltage, small slope resistance, high junction temperature. Runau welding diodes IFAV range from 7100A to 18000A which are widely applied in resistance welders with frequency from 1KHz to 5KHz.
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Induction Heating
Phase controlled thyristor and fast switch thyristor are manufactured in high standard process, featured in chip is all diffused structure, optimized distributed gate design, excellent dynamic performance, fast switching performance, low switching loss, highly suitable for induction heating application.
