MC256-R003/090 Sanyo Denki
Wake Industrial LLC is not an authorized distributor of this product.
The MC256-R003/090 power module offers a continuous current rating of 256 amps, an efficiency of 90%, a voltage rating of 600 volts, and compact dimensions of 50 mm x 30 mm x 10 mm. Part of the TOYODA resistor series from Sanyo Denki, it operates with a switching frequency of 20 kHz.
Internal Product Review
The MC256-R003/090 is a well-made resistor unit released by Toyoda and Sanyo Denki under the MC series. With its efficient design and simple construction, the MC256-R003/090 is both space-saving and durable.
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Product Description:
The MC256-R003/090 is an exceptional and durable resistor unit manufactured by Toyoda Machine Works and Sanyo Denki under the MC256 product line. As part of the highly dynamic MC256 series, this compact regenerative resistor unit is applicable for high-frequency servo applications generating excessive energy. It can also be used alongside servomotors with high load inertia and holding brakes. During operation, this MC256 module can protect other components in the servo system by dissipating excess regenerated energy from other dynamic devices such as motors. As part of Sanyo Denki’s MC resistor series, the MC256-R003/090 boasts a flat construction and an intuitive front panel.
Like other resistor units by Toyoda, the MC256-R003/090 contains four terminals. The terminals in this resistor unit can be used to connect to other devices such as amplifiers. Like other devices in a servo system, the MC256-R003/090 is not a standalone product. It requires a power supply module along with the amplifier to achieve its full potential. The MC256-R003/090 relies on natural convection to facilitate heat dissipation and cooling. With evenly spaced screw holes along its sides, the MC256-R003/090 can be mounted on a rack through its rear side.
Since resistor units dissipate excessive energy, it is advisable to integrate protection devices within the servo system. Additional protection devices or cooling components may also be additionally installed directly to the MC256-R003/090 to prevent over-thermal conditions. Adequate ventilation space during installation must also be considered to prevent blockage of airflow, especially on the MC256-R003/090’s rear side. Like most electrical devices by Sanyo Denki, the MC256-R003/090 operates at a wide ambient temperature and humidity range. Wake Industrial is one of the few that offers the MC256-R003/090 with a one-year warranty.
