Product details

ST-3120-C001

Motors & Drives

Shenzhen FEETECH RC Model Co., Ltd.

ST-3120-C001

About this product

ST-3120-C001 is a dual-axis serial-bus servo with a motor, reduction gearbox and local position control in one unit. Its exact manufacturer table specifies digital packet control, half-duplex asynchronous communication and feedback of operating parameters.

Model
ST-3120-C001
Category
Motors & Drives, Components

Product family: FEETECH STS (TTL) series servos

Specifications & evidence

Source-backed claims. Configuration, workload and evidence type matter when comparing products.

Bearing type

Ball bearings

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
轴承 Bearing: 滚珠轴承Ball bearings

Case dimensions

A:30mm B:65mm C:48mm

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
尺寸 Size: A:30mm B:65mm C:48mm

Case material

Aluminium

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
外壳 Case: Aluminium

Command signal

Digital Packet

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
控制信号 Command signal: Digital Packet

Communication speed range

38400bps ~ 1 Mbps

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained. Source endpoints use bps and Mbps; their original scales are retained.

ST-3120-C001
通读速率 Communication Speed: 38400bps ~ 1 Mbps

Connector wire length

15CM

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
舵机线 Connector wire: 15CM

Feedback parameters

Load, Position, Speed, Input voltage, Current, Temperature

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
反馈 Feedback: Load(负载), Position(位 置),Speed(工作速度), Input Voltage(输入压),Current(工作电流),Temperature(工 作温度)

Gear material

Steel

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
齿轮类型 Gear type: 钢齿steel Gear

Id range

0-253

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
ID范围 ID range: 0-253

Mechanical angle limit

NO limit

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
机构极限角度 Limit angle: NO limit

Motor type

Coreless Motor

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
马达 Motor: Coreless Motor

No-load current

250mA@12V

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
空载电流 Runnig current(at no load) : 250mA@12V

No-load speed

0.454sec/60 °(22RPM)@12V

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained. The source combines time per 60 degrees and, when provided, rpm; no single unit is assigned to this combined value.

ST-3120-C001
空载速度 No load speed: 0.454sec/60 °(22RPM)@12V

Operating temperature

-20℃~60℃ °C

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
运行温度 Operating Temperature Range: -20℃~60℃

Operating voltage range

9V-12V

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
工作电压Operating Voltage Range: 9V-12V

Output spline

15T/OD7.6mm

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
出力轴 Horn gear spline: 15T/OD7.6mm

Peak stall torque

120kg.cm@12V kg·cm

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained. Torque remains in the manufacturer’s kg.cm notation; no SI conversion or independent performance verification is implied.

ST-3120-C001
堵转扭矩 Peak stall torque: 120kg.cm@12V

Rated torque

40kg.cm@12V kg·cm

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained. Torque remains in the manufacturer’s kg.cm notation; no SI conversion or independent performance verification is implied. The source does not define a thermal steady-state test or continuous-duty cooling setup.

ST-3120-C001
额定扭矩 Rated torque: 40kg.cm@12V

Running angle

360° (when 0~4096)

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
旋转角度 Running degree: 360° (when 0~4096)

Serial protocol type

Half Duplex Asynchronous Serial Communication

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
协议类型 Protocol Type: Half Duplex Asynchronous Serial Communication

Stall current

4.7A@12V

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
堵转电流 Stall current: 4.7A@12V

Storage temperature

-30℃~80℃ °C

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
存储温度 Storage Temperature Range -30℃~80℃

Weight

210± 5g

Manufacturer specification

Configuration: ST-3120-C001; Manufacturer claim; exact ST-3120-C001 parameter table. All voltage, stall/rated/no-load and pulse-width qualifiers are retained.

ST-3120-C001
重量 Weight: 210± 5g

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