Product Description
This series of servos utilizes a metal gear and dual ball bearing structure, supporting wide voltage (3.8V~8.4V) and programmable angles. It features a high refresh rate (333Hz) and low dead-zone control. It offers various torque and speed combinations, ranging from lightweight high-speed to high-torque heavy-duty models, suitable for robotics, model aircraft, intelligent vehicles, and educational R&D fields, balancing performance, reliability, and flexible configuration.

Product parameters
Parameter | PY-7308 (Horizontal Ears) | PY-7308 Plus (Horizontal Ears + Upgraded Torque) (Vertical Ears + Upgraded Torque) |
Gear Material | Metal gear | |
Case Material | CNC Metal | |
Operating Temperature | -20℃~+60℃ | |
Operating Travel | 180°± 10° | |
Refresh Rate | 333Hz | |
Size | 23.5*8*16.6mm | 23.5*8*16.5mm |
Net Weight | 8.8g | 10.2g |
Pulse Width | 500 to 2500 uSec | |
Motor Type | Coreless motor | |
Dead Band | 2µp | |
Neutral Position | 1520uS | |
Bearing | Double Ball Bearing | |
Operating Voltage | 3.8V~8.4V | |
Wire | JR 185mm | |
Mechanical Limit Angle | No Limit | |
Programmable | Yes | |
Operating Speed | 0.175 sec/60° @ 3.8V | 0.125 sec/60° @ 3.8V |
0.083 sec/60° @ 6.0V | 0.082 sec/60° @ 6.0V | |
0.075 sec/60° @ 7.4V | - | |
0.065 sec/60° @ 8.4V | 0.060 sec/60° @ 8.4V | |
Stall Torque | 2.6 kg-cm @ 3.8V | 3.0 kg-cm @ 3.8V |
3.0 kg-cm @ 6.0V | 4.4 kg-cm @ 6.0V | |
3.2 kg-cm @ 7.4V | - | |
3.5 kg-cm @ 8.4V | 6.5 kg-cm @ 8.4V | |
PY-7308 & PY-7308 Plus




Parameter | PY-9495 | PY-9497 |
Gear Material | Stainless Steel gear | |
Case Material | CNC Metal | |
Operating Temperature | -20℃~+85℃ | |
Operating Travel | 180°± 10° | |
Refresh Rate | 333Hz | |
Size | 23*12*26.8mm | |
Net Weight | 19.2g | |
Pulse Width | 500 to 2500 uSec | |
Motor Type | Coreless motor | |
Dead Band | 2 µp | |
Neutral Position | 1520uS | |
Bearing | Double Ball Bearing | |
Operating Voltage | 4.8V~8.4V | |
Wire | JR 250mm | |
Mechanical Limit Angle | No Limit | |
Programmable | Yes | |
Operating Speed | 0.083 sec/60° @ 4.8V | |
0.063 sec/60° @ 6.0V | ||
0.051 sec/60° @ 7.4V | 0.076 sec/60° @ 7.4V | |
0.041 sec/60° @ 8.4V | 0.066 sec/60° @ 8.4V | |
Stall Torque | 4.0 kg-cm @ 4.8V | 7.6 kg-cm @ 4.8V |
4.8 kg-cm @ 6.0V | 9.5 kg-cm @ 6.0V | |
5.3 kg-cm @ 7.4V | 10.1 kg-cm @ 7.4V | |
6.3 kg-cm @ 8.4V | 13.2 kg-cm @ 8.4V | |
PY-9495 & PY-9497




Parameter | PY-7310 | PY-8515 |
Gear Material | Stainless Steel gear | |
Case Material | CNC Al alloy | |
Operating Temperature | -15℃~+70℃ | |
Operating Travel | 180°± 10° | |
Refresh Rate | 333Hz | |
Size | 20*11.3*21.1mm | 28*12.6*26.8mm |
Net Weight | 9.8g | 25g |
Pulse Width | 500 to 2500 uSec | |
Motor Type | Coreless motor | |
Dead Band | 2 µp | |
Neutral Position | 1520uS | |
Bearing | Double Ball Bearing | |
Operating Voltage | 5.0V~8.4V | |
Wire | JR 185mm | JR 300mm |
Mechanical Limit Angle | No Limit | |
Programmable | Yes | |
Operating Speed | 0.042 sec/60° @ 5.0V | 0.150 sec/60° @ 5.0V |
0.036 sec/60° @ 6.0V | 0.124 sec/60° @ 6.0V | |
0.033 sec/60° @ 7.4V | 0.104 sec/60° @ 7.4V | |
0.031 sec/60° @ 8.4V | 0.087 sec/60° @ 8.4V | |
Stall Torque | 1.0 kg-cm @ 5.0V | 10 kg-cm @ 5.0V |
1.5 kg-cm @ 6.0V | 12 kg-cm @ 6.0V | |
2.0 kg-cm @ 7.4V | 13.5 kg-cm @ 7.4V | |
2.8 kg-cm @ 8.4V | 15 kg-cm @ 8.4V | |
PY-7310


PY-8515


Parameter | PY-9490 | PY-9492 |
Gear Material | Stainless Steel gear | |
Case Material | Middle Aluminum | |
Operating Temperature | -15C°~+70C° | |
Operating Travel | 180°± 10° | |
Refresh Rate | 333Hz | |
Size | 23*12*26.8mm | |
Net Weight | 21.4g | 22.2g |
Pulse Width | 500 to 2500 uSec | |
Motor Type | Coreless motor | Brushless motor |
Dead Band | 2 µp | |
Neutral Position | 1520uS | |
Bearing | Double Ball Bearing | |
Operating Voltage | 4.8V~8.4V | |
Wire | JR 250mm | |
Mechanical Limit Angle | No Limit | |
Programmable | Yes | |
Operating Speed | 0.130 sec/60° @ 4.8V | 0.099 sec/60° @ 4.8V |
0.123 sec/60° @ 6.0V | 0.082 sec/60° @ 6.0V | |
0.096 sec/60° @ 7.4V | 0.066 sec/60° @ 7.4V | |
0.079 sec/60° @ 8.4V | 0.062 sec/60° @ 8.4V | |
Stall Torque | 7.6 kg-cm @ 4.8V | 8.0 kg-cm @ 4.8V |
9.5 kg-cm @ 6.0V | 9.8 kg-cm @ 6.0V | |
10.1 kg-cm @ 7.4V | 11 kg-cm @ 7.4V | |
13.2 kg-cm @ 8.4V | 13.5 kg-cm @ 8.4V | |
PY-9490 &PY- 9492


Product Display
PY-7308 & PY- 7308 Plus
Flexible Installation: Both horizontal and vertical lug options available.
Metal Body: Metal gears and CNC metal housing.
Standard Version: Lightweight, high cost-performance ratio.
Plus Version: Dual upgrade in torque and speed.
PY-9495 & PY-9497
Highly Adaptable to Various Environments: Wide operating temperature range -20~85°C.
Solid Structure: Stainless steel gears, all-metal housing.
PY-9495: Balanced performance, excellent speed.
PY-9497: Powerful torque, upgraded power.
PY-7310 & PY-8515
Rugged and Durable: Stainless steel gears, CNC aluminum alloy housing.
Reliable Performance: Dual ball bearings, operating temperature -15~70°C.
PY-7310: Extremely lightweight, quick response.
PY-8515: Powerful torque, abundant power.
PY-9490 & PY-9492
Excellent heat dissipation: Central aluminum alloy casing.
Precise control: Small dead zone, wide pulse width range.
PY-9490: Coreless motor, balanced performance.
PY-9492: Brushless motor, superior torque and efficiency.
Application Cases
This series of miniature servos employs a metal gear and precision bearing structure, featuring high response, programmability, and wide voltage operating characteristics. Its diverse torque and speed combinations can be widely used in model aircraft servos, robot joints, RC model steering, intelligent vehicle drives, educational robots, miniature actuators, automated fixtures, and creative DIY projects, serving as a core component for achieving precise motion control and reliable drive.










