Product overview
Scorpion’s Tribunus III 08-120A ESC SBEC is an electronic speed controller intended for integration into hobby aircraft or commercial UAVs. Its architecture combines a proprietary motor control algorithm with an adjustable BEC output. The manufacturer states that it uses Western components and is manufactured in Taiwan. Published application examples cover 20cc–35cc gas-equivalent airplanes, 550 size through lightweight 600 size applications, and up to 8s usage; these examples require assessment against the intended aircraft configuration.
Installation planning can use the published body dimensions of 39.5 x 79.4 x 23.0 mm and integrated mount dimensions of 26.0 x 72.0mm with M2.5 bolts. Published weight is 113g without wires or 143g with wires. The package contains one ESC, two BEC cables, mounting hardware and a drill guide sticker, making this a component purchase. The continuous-current rating carries an unexplained asterisk, while the BEC ratings specify 8.1 V and a one-second peak duration; procurement should retain those qualifications.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Scorpion Power System — Scorpion Tribunus III 08-120A ESC SBEC |
| Product purpose | Electronic speed controller for hobby aircraft or commercial UAV applications.Electronic speed controller component for integration into an aircraft; the listed package does not constitute a flight platform or airframe kit. |
| Components and manufacture | Western components; manufactured in Taiwan.Construction and origin statement. |
| Motor control architecture | Proprietary design and motor control algorithm. |
| Hobby use cases | 20cc–35cc gas-equivalent airplanes / 550 size–lightweight 600 size / up to 8s usage.Manufacturer-listed hobby application examples; suitability requires confirmation for the selected aircraft configuration. |
| Industrial use cases | 1800w (Indefinite) / 3600w (Continuous*) / 4750w (Peak) / up to 35.0V.Preserve the manufacturer's indefinite, continuous* and peak distinctions. |
| Max Continuous Current* | 120 AmpsPublished as continuous current with an asterisk. |
| Peak Current | 160 AmpsPeak rating. |
| Operating Voltage Range | 11-35.0 Volts |
| BEC Output voltage | 5.1V to 12.1V adjustableAdjustable BEC output range; confirm the selected voltage setting. |
| Max Continuous BEC Output | 12 Amps @ 8.1 VContinuous BEC output rating at 8.1 V. |
| Peak BEC Output | 25 Amps/1s @ 8.1 VPeak BEC output rating for 1 second at 8.1 V. |
| On Resistance | 0.33mOhms * 2 |
| ESC Body Size | 39.5 x 79.4 x 23.0 mm (1.55 x 3.12 x 0.90 in)Published ESC body dimensions; confirm clearance for the selected installation. |
| Integrated Mount Dimensions | 26.0 x 72.0mm (1.02 x 2.83 in) / M2.5 BoltPublished integrated mount dimensions with M2.5 bolt specification. |
| Weight (without wires) | 113g (3.98oz)Weight excludes wires. |
| Weight (with wires) | 143g (5.04oz)Weight includes wires. |
| Drive frequency | 8kHz - 32kHz |
| Supplied configuration | 1 x Tribunus III ESC; 2 x BEC cables; 1 x mounting hardware pack; 1 x drill guide sticker.Manufacturer-listed box contents. |
| Packaged weight | 253gWeight includes packaging. |
| Product photograph limitation | Photographs may not accurately represent package quantities, size, color or product features.Use the written specifications and package list when assessing the supplied configuration. |
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