7775 Datasheet
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What is 775 motor? You might have seen 775 written on some popular DC motor. But many people don’t know what actually 775 dc motor is other than it is a motor used for various heavy-duty applications and projects.
The 775 model of DC motor represents a certain ‘size‘ of the motor body outer frame. This size is standard for all 775 motors.
The number 775 is the Size ID of motor universally accepted.
7775 Datasheet Catalog
Its casing is made of rustproof material mainly steel with some protective coatings, with few plastic parts. It is a high torque high power device for mid to high-power applications generally in robotics, quadcopters, and industrials.
The table below showing specs/ specification of 775 motor:
| Component name | 775 dc motor |
| Category | heavy duty dc motor |
| Motor body size (std.) | 66.7 × 42 mm |
| Shaft diameter (std.) | 5 mm |
| Shaft length (generally)* | 14 - 17 mm |
| Operating voltage | 6 - 36 volts |
| Rated voltage | 12 volts |
| No load current (non std.) | ~20 A |
| Speed (non std.)* | |
| Speed at 12 volt | ~4100 rpm |
| Speed at 24 volt | ~8400 rpm |
| Commutation | Brushed/ Brush-less |
Description:
Note that ±1 mm error of body size is acceptable, but not the shaft diameter and length.
The 775 dc motors have a standard size of 66.7 x 42.0 mm. The 42.0 is the outer diameter as the motor is cylindrical, wheres 66.7 mm is its height. The number 775 stands for this standard size. It is in the same fashion to the number with 130/ 140 motor.
The shaft size diameter of 5 mm is standard and adopted by almost all manufacturers. The length of the shaft can differ in accordance to the requirements, but a 17 mm shaft is seen commonly.
The number of rotation of the motor is dependent on the voltage of operation, i.e RPM ∝ Voltage applied. Rpm is adjusted as per the need of the project. Its nominal operating voltage ranges from 6 volts to 36 volts.
The no-load current value is an indicator of how much current the motor derives when there is no load applied to it. Thus no-load current is the maximum current that is derived by a motor when offload.
7775 Datasheet Model
Its speed dc motors range from 8300 rpm to 10000 rpm at 24 volts depends on manufacturers mentioned specs, and it is near-linear as we increase voltages.
Both brushed and brushless model is available in shops. The brushed motor has low cost in comparison with brushless motors.
7775 Datasheet Pdf
Application of 775 DC motor specs:
7775 Datasheet Display
- Internet of things devices.
- Robotic projects, RC boats for a hobby.
- In quadcopter due to high speed/ torque.