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Orange OT5325M 7.4V 25kg.cm 180° Metal Gear Digital Servo Motor
The Orange OT5325M is a high-torque digital servo motor engineered for precision robotics, RC aircraft, and industrial automation applications requiring reliable angular positioning. This servo delivers 25 kg.cm of torque at 7.4V with a full 180-degree rotation range, making it ideal for professionals who demand consistent performance in demanding mechanical systems. It solves the critical challenge of achieving accurate, repeatable motion control in projects where standard analog servos cannot deliver the speed, precision, or durability required.
Product Overview
The Orange OT5325M operates on digital control architecture, which provides superior signal processing compared to traditional analog servos. The digital circuitry continuously samples input signals at high frequency, enabling faster response times and more precise position holding. The servo's metal gear train construction ensures exceptional durability under sustained load conditions, eliminating the gear slip and backlash common in plastic-geared alternatives. This makes it particularly valuable for applications requiring thousands of operational cycles without performance degradation.
The 7.4V operating voltage aligns with standard 2S LiPo battery configurations, streamlining integration into modern robotics platforms and drone systems. The 180-degree range provides full hemispherical motion coverage, essential for biped robot joints, pan-tilt mechanisms, and articulated arm segments. The metal gear construction combined with digital feedback creates a servo that maintains positional accuracy even under vibration and shock loads typical in field robotics and industrial environments.
Key Specifications
| Specification | Details |
| Product Type | Digital Servo Motor with Metal Gears |
| Brand | Orange |
| Model Number | OT5325M |
| Operating Voltage | 7.4V DC |
| Torque Output | 25 kg.cm at 7.4V |
| Rotation Range | 180 degrees |
| Gear Material | Metal (Aluminum/Steel composite) |
| Control Type | Digital PWM |
| Speed | 0.16 seconds per 60 degrees at 7.4V |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Metal Gear Construction: Durable aluminum and steel composite gears provide superior torque transmission with minimal backlash, ensuring reliable performance in high-load applications like robotic arms and industrial mechanisms
- Digital Control Architecture: Advanced digital signal processing enables 3000+ Hz sampling rate, delivering faster response times and smoother motion profiles compared to analog servos
- 25 kg.cm Torque Rating: Sufficient power to drive medium-weight mechanical loads including multi-joint robot segments, camera pan-tilt systems, and industrial automation actuators
- 180-Degree Full Range: Complete hemispherical rotation enables complex joint articulation in humanoid robots, quadrupeds, and articulated mechanical systems without requiring multiple servo units
- 7.4V Compatibility: Direct integration with 2S LiPo batteries eliminates voltage regulation complexity and maximizes efficiency in battery-powered autonomous systems
- Compact Form Factor: Lightweight design reduces inertial load on parent structures, critical for aerial platforms and mobile robotics where mass distribution affects performance
Applications and Use Cases
- Humanoid and Biped Robotics: Drive ankle, knee, and hip joints with the torque and speed required for bipedal locomotion, where metal gears prevent catastrophic failure under repetitive impact loads from walking cycles
- Robotic Arm Articulation: Power 4-6 DOF industrial robotic arms requiring precise positioning in manufacturing, assembly, and material handling tasks where digital feedback maintains accuracy across temperature variations
- Aerial Gimbal and Pan-Tilt Systems: Stabilize camera payloads on drones and aerial platforms with smooth, jitter-free motion control enabled by digital servo architecture and metal gear durability against vibration
- Autonomous Vehicle Steering: Control steering mechanisms in ground robots and autonomous vehicles where 180-degree range enables full left-right articulation and metal gears withstand continuous directional changes
- Industrial Automation Mechanisms: Operate conveyor diverters, sorting gates, and material positioning systems where high cycle counts and sustained loads demand the reliability of metal gear construction
- Animatronics and Mechanical Props: Drive expressive joint movements in entertainment and educational robotics where smooth digital control creates lifelike motion sequences
How to Use
Installation begins with mechanical mounting: secure the servo using the provided mounting brackets to your mechanical structure, ensuring the output shaft aligns with the load axis to minimize lateral stress. Connect the three-wire connector to your servo controller or microcontroller PWM output, matching the signal line (typically yellow), power line (red for 7.4V), and ground line (black) to your control system specifications. Verify voltage supply stability before operation, as voltage sag below 6.5V will cause erratic behavior and potential damage to the digital control circuitry.
For optimal performance, calibrate the servo center position before deployment by sending a 1.5ms PWM pulse, which corresponds to the 90-degree neutral position. Program your control system to send PWM pulses between 1.0ms (full counterclockwise) and 2.0ms (full clockwise) to achieve smooth motion across the 180-degree range. Allow 50-100ms settling time between position commands for the servo to stabilize, particularly important when the servo reaches load limits where metal gears may exhibit slight compliance. Monitor servo temperature during extended operation; if the servo housing exceeds 60 degrees Celsius, reduce duty cycle or add cooling intervals to prevent thermal degradation of internal electronics.
Frequently Asked Questions
What is the difference between digital and analog servos in the OT5325M?
The Orange OT5325M uses digital control electronics that sample the input PWM signal at 3000+ Hz, compared to analog servos sampling at 50Hz. This enables faster response times, smoother motion profiles, and better holding torque at the commanded position. Digital servos also provide superior noise immunity and can maintain accuracy despite electrical interference common in robotics environments.
Can the OT5325M handle continuous rotation or only 180-degree limited range?
The OT5325M is limited to 180-degree rotation as specified. It is not a continuous rotation servo. The mechanical stops inside the servo prevent rotation beyond this range. If you need continuous rotation, you would require a different servo model designed for continuous operation.
What is the actual speed of the OT5325M and how does it compare to other servos?
The OT5325M achieves approximately 0.16 seconds per 60 degrees at 7.4V nominal voltage. This translates to roughly 0.27 seconds for a full 180-degree sweep. This speed is competitive for mid-range digital servos. Speed increases proportionally with voltage above 7.4V but may void warranty if exceeded beyond manufacturer specifications. Always verify your specific voltage supply for accurate speed calculations.
Are the metal gears truly metal or is this marketing terminology?
The Orange OT5325M uses genuine metal gear construction, typically aluminum or steel composite materials in the gear train. This is distinctly different from plastic-geared servos which use nylon or polyacetal gears. Metal gears provide superior durability, higher torque capacity, and resistance to wear under sustained loads. However, metal gears are heavier and slightly more expensive than plastic alternatives.
What happens if I exceed the 25 kg.cm torque rating?
Exceeding the rated torque will cause the servo to stall, drawing maximum current and generating heat. Prolonged stalling can damage the internal motor windings and control electronics. The metal gears will not slip under overload like plastic gears, so the servo will simply stop moving and potentially burn out. Always ensure your mechanical design never requires torque exceeding 25 kg.cm at the servo output shaft.
Is the OT5325M waterproof or sealed against dust?
The Orange OT5325M is not waterproof or sealed. It is designed for indoor robotics and controlled environments. Exposure to moisture, dust, or sand will damage the internal electronics and motor bearings. If you require environmental protection, consider using a servo cover or conformal coating, though this may affect heat dissipation.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Orange OT5325M 7.4V 25kg.cm 180 Degree Metal Gear Digital Servo Motor Online in India
Purchase the Orange OT5325M 7.4V 25kg.cm 180 Degree Metal Gear Digital Servo Motor online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Orange OT5325M 7.4V 25kg.cm 180 Degree Metal Gear Digital Servo Motor with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection
Orange OT5325M 7.4V 25kg.cm 180° Metal Gear Digital Servo Motor
The Orange OT5325M is a high-torque digital servo motor engineered for precision robotics, RC aircraft, and industrial automation applications requiring reliable angular positioning. This servo delivers 25 kg.cm of torque at 7.4V with a full 180-degree rotation range, making it ideal for professionals who demand consistent performance in demanding mechanical systems. It solves the critical challenge of achieving accurate, repeatable motion control in projects where standard analog servos cannot deliver the speed, precision, or durability required.
Product Overview
The Orange OT5325M operates on digital control architecture, which provides superior signal processing compared to traditional analog servos. The digital circuitry continuously samples input signals at high frequency, enabling faster response times and more precise position holding. The servo's metal gear train construction ensures exceptional durability under sustained load conditions, eliminating the gear slip and backlash common in plastic-geared alternatives. This makes it particularly valuable for applications requiring thousands of operational cycles without performance degradation.
The 7.4V operating voltage aligns with standard 2S LiPo battery configurations, streamlining integration into modern robotics platforms and drone systems. The 180-degree range provides full hemispherical motion coverage, essential for biped robot joints, pan-tilt mechanisms, and articulated arm segments. The metal gear construction combined with digital feedback creates a servo that maintains positional accuracy even under vibration and shock loads typical in field robotics and industrial environments.
Key Specifications
| Specification | Details |
| Product Type | Digital Servo Motor with Metal Gears |
| Brand | Orange |
| Model Number | OT5325M |
| Operating Voltage | 7.4V DC |
| Torque Output | 25 kg.cm at 7.4V |
| Rotation Range | 180 degrees |
| Gear Material | Metal (Aluminum/Steel composite) |
| Control Type | Digital PWM |
| Speed | 0.16 seconds per 60 degrees at 7.4V |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
Key Features
- Metal Gear Construction: Durable aluminum and steel composite gears provide superior torque transmission with minimal backlash, ensuring reliable performance in high-load applications like robotic arms and industrial mechanisms
- Digital Control Architecture: Advanced digital signal processing enables 3000+ Hz sampling rate, delivering faster response times and smoother motion profiles compared to analog servos
- 25 kg.cm Torque Rating: Sufficient power to drive medium-weight mechanical loads including multi-joint robot segments, camera pan-tilt systems, and industrial automation actuators
- 180-Degree Full Range: Complete hemispherical rotation enables complex joint articulation in humanoid robots, quadrupeds, and articulated mechanical systems without requiring multiple servo units
- 7.4V Compatibility: Direct integration with 2S LiPo batteries eliminates voltage regulation complexity and maximizes efficiency in battery-powered autonomous systems
- Compact Form Factor: Lightweight design reduces inertial load on parent structures, critical for aerial platforms and mobile robotics where mass distribution affects performance
Applications and Use Cases
- Humanoid and Biped Robotics: Drive ankle, knee, and hip joints with the torque and speed required for bipedal locomotion, where metal gears prevent catastrophic failure under repetitive impact loads from walking cycles
- Robotic Arm Articulation: Power 4-6 DOF industrial robotic arms requiring precise positioning in manufacturing, assembly, and material handling tasks where digital feedback maintains accuracy across temperature variations
- Aerial Gimbal and Pan-Tilt Systems: Stabilize camera payloads on drones and aerial platforms with smooth, jitter-free motion control enabled by digital servo architecture and metal gear durability against vibration
- Autonomous Vehicle Steering: Control steering mechanisms in ground robots and autonomous vehicles where 180-degree range enables full left-right articulation and metal gears withstand continuous directional changes
- Industrial Automation Mechanisms: Operate conveyor diverters, sorting gates, and material positioning systems where high cycle counts and sustained loads demand the reliability of metal gear construction
- Animatronics and Mechanical Props: Drive expressive joint movements in entertainment and educational robotics where smooth digital control creates lifelike motion sequences
How to Use
Installation begins with mechanical mounting: secure the servo using the provided mounting brackets to your mechanical structure, ensuring the output shaft aligns with the load axis to minimize lateral stress. Connect the three-wire connector to your servo controller or microcontroller PWM output, matching the signal line (typically yellow), power line (red for 7.4V), and ground line (black) to your control system specifications. Verify voltage supply stability before operation, as voltage sag below 6.5V will cause erratic behavior and potential damage to the digital control circuitry.
For optimal performance, calibrate the servo center position before deployment by sending a 1.5ms PWM pulse, which corresponds to the 90-degree neutral position. Program your control system to send PWM pulses between 1.0ms (full counterclockwise) and 2.0ms (full clockwise) to achieve smooth motion across the 180-degree range. Allow 50-100ms settling time between position commands for the servo to stabilize, particularly important when the servo reaches load limits where metal gears may exhibit slight compliance. Monitor servo temperature during extended operation; if the servo housing exceeds 60 degrees Celsius, reduce duty cycle or add cooling intervals to prevent thermal degradation of internal electronics.
Frequently Asked Questions
What is the difference between digital and analog servos in the OT5325M?
The Orange OT5325M uses digital control electronics that sample the input PWM signal at 3000+ Hz, compared to analog servos sampling at 50Hz. This enables faster response times, smoother motion profiles, and better holding torque at the commanded position. Digital servos also provide superior noise immunity and can maintain accuracy despite electrical interference common in robotics environments.
Can the OT5325M handle continuous rotation or only 180-degree limited range?
The OT5325M is limited to 180-degree rotation as specified. It is not a continuous rotation servo. The mechanical stops inside the servo prevent rotation beyond this range. If you need continuous rotation, you would require a different servo model designed for continuous operation.
What is the actual speed of the OT5325M and how does it compare to other servos?
The OT5325M achieves approximately 0.16 seconds per 60 degrees at 7.4V nominal voltage. This translates to roughly 0.27 seconds for a full 180-degree sweep. This speed is competitive for mid-range digital servos. Speed increases proportionally with voltage above 7.4V but may void warranty if exceeded beyond manufacturer specifications. Always verify your specific voltage supply for accurate speed calculations.
Are the metal gears truly metal or is this marketing terminology?
The Orange OT5325M uses genuine metal gear construction, typically aluminum or steel composite materials in the gear train. This is distinctly different from plastic-geared servos which use nylon or polyacetal gears. Metal gears provide superior durability, higher torque capacity, and resistance to wear under sustained loads. However, metal gears are heavier and slightly more expensive than plastic alternatives.
What happens if I exceed the 25 kg.cm torque rating?
Exceeding the rated torque will cause the servo to stall, drawing maximum current and generating heat. Prolonged stalling can damage the internal motor windings and control electronics. The metal gears will not slip under overload like plastic gears, so the servo will simply stop moving and potentially burn out. Always ensure your mechanical design never requires torque exceeding 25 kg.cm at the servo output shaft.
Is the OT5325M waterproof or sealed against dust?
The Orange OT5325M is not waterproof or sealed. It is designed for indoor robotics and controlled environments. Exposure to moisture, dust, or sand will damage the internal electronics and motor bearings. If you require environmental protection, consider using a servo cover or conformal coating, though this may affect heat dissipation.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
- Returns: 7-day return policy on manufacturing defects only
Buy Orange OT5325M 7.4V 25kg.cm 180 Degree Metal Gear Digital Servo Motor Online in India
Purchase the Orange OT5325M 7.4V 25kg.cm 180 Degree Metal Gear Digital Servo Motor online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Orange OT5325M 7.4V 25kg.cm 180 Degree Metal Gear Digital Servo Motor with fast shipping and expert support.
Our team in Bengaluru is available 24/7 to support your journey from product selection