KST is a well-known servo manufacturer whose products are widely used in model aircraft, drones, and other fields. In terms of micro servos, KST has launched several highly praised products, such as the X06H, HS08A, and X08 V6.0. This article will compare and analyze these three servos to help users better understand their similarities and differences and make choices based on their needs.
Comparison Table
| Feature | X08 V6.0 | X06H | HS08A |
| Item | X08 V6.0 Micro Servo | X06H Micro Servo | HS08A Micro Servo |
| Rated Voltage | DC7.4V | DC6.0V | N/A |
| Voltage Range | DC3.8V-8.4V | DC3.8V-8.4V | DC3.8V-8.4V |
| Torque | 1.4kg.cm@3.8V, 2.2kg.cm@6.0V, 2.8kg.cm@8.4V | 0.8Kgf.cm@3.8V, 1.5Kgf.cm@6.0V, 1.8Kgf.cm@8.4V | 2.8Kg.cm@3.8V / 4.5Kg.cm@6.0V / 5.2KG@7.4V / 6.0KG@8.4V |
| Rated Torque | N/A | 4N.cm@6.0V | N/A |
| Stalling Current | N/A | 0.58A@6.0V | 0.68A |
| Rated Current | N/A | 0.22A@6.0V | 0.25A |
| Speed | 0.18sec/60°@3.8V, 0.15sec/60°@6.0V, 0.09sec/60°@8.4V | 0.12sec/60°@3.8V, 0.08sec/60°@6.0V, 0.07sec/60°@8.4V | 0.21sec/60°@3.8V / 0.13sec/60°@6.0V / 0.11sec/60°@7.4V / 0.09sec/60°@8.4V |
| Rated Speed | N/A | 0.20sec/60°@6.0V | 0.20sec/60°@6.0V |
| Working Frequency | 1520μs/333Hz | N/A | 1520us/333Hz, 1000us-2000us |
| Default Travel Angle | ±60° = 120° Total | ±60° = 120° Total | ±60° = 120° total travel |
| Temperature Range | -10℃ to +65℃ | -10℃ to +65℃ | -20°C to +65°C |
| Soft Start | Yes | Programmable | N/A |
| Programmable | Yes | Yes | Yes |
| Case Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy |
| Motor Type | Coreless DC Motor | Coreless DC Motor | Coreless motor |
| Gear Set Material | Hardened Steel | Hardened Steel | Hardened Steel |
| Position Sensor | Potentiometer | N/A | N/A |
| Case Dimensions | 23.5816.8mm±0.2mm | 20mm7mm16.6mm±0.2mm | 23.5mm8mm25.25mm |
| Weight | 8g±10% | 6g±10% | 11g |
| Ball Bearing | N/A | 1BB | 2BB |
Similarities
-
Brand: All from KST
-
Application: Mainly for gliders (DLG/F3K/F5K) and other models with high requirements for weight and size.
-
Digital Servos: All use digital control technology, with high precision and fast response.
-
Metal Gears: All use metal gears, which are strong and durable.
Differences
Size and Weight:
-
X06H: Ultra-thin 7mm, weighs only 6g, the lightest of the three.
-
HS08A: 8mm wide, weighs 11g, moderate in size and weight.
-
X08 V6.0: 8mm wide, weighs 8g, between the X06H and HS08A in terms of size and weight.
Torque:
-
X06H: Relatively small torque, suitable for small gliders.
-
HS08A: Large torque, up to 6.0kg.cm at high voltage, suitable for applications with high power requirements.
-
X08 V6.0: Moderate torque, 2.8kg.cm@8.4V, meeting most glider requirements.
Speed:
-
X06H: Fast speed, fast response.
-
HS08A: Fast speed, up to 0.09sec/60° at high voltage.
-
X08 V6.0: Fast speed, 0.09sec/60°@8.4V.
Voltage Compatibility:
-
X06H: Supports 1S and 2S lithium batteries.
-
HS08A: Supports high voltage (HV), voltage range is 3.8V-8.4V.
-
X08 V6.0: Supports 1S and 2S lithium batteries, voltage range is 3.8V-8.4V.
Special Features:
-
X06H: No special features.
-
HS08A: No special features.
-
X08 V6.0: Programmable, parameters can be adjusted using the KST Tool Card.
Summary
-
X06H: Characterized by ultra-lightness and thinness, suitable for ultra-small gliders with extremely demanding weight requirements.
-
HS08A: Has a larger torque, suitable for gliders with high power requirements, and high voltage compatibility is also an advantage.
-
X08 V6.0: Has good comprehensive performance, with a good balance of size, weight, torque, and speed. The programmable function makes it more flexible.
When choosing, users should comprehensively consider factors such as their model type, flight requirements, and budget. If you are pursuing extreme lightweight, the X06H is the best choice; if you need greater torque, the HS08A is more suitable; if you want more flexible settings, the X08 V6.0 is more advantageous.
FAQs
Q1: What voltage range can these servos operate within?
A1: All three servos (X08 V6.0, X06H, and HS08A) can operate within a voltage range of DC3.8V to 8.4V.
Q2: Are these servos programmable?
A2: Yes, all three servos (X08 V6.0, X06H, and HS08A) are programmable.
Q3: What materials are used in the construction of these servos?
A3: All three servos feature an aluminum alloy case and hardened steel gears. The X08 V6.0 and X06H use Coreless DC Motors, and the HS08A uses a coreless motor.
Q4: What is the default travel angle for these servos?
A4: The default travel angle for all three servos is ±60°, resulting in a total travel of 120°.
Q5: What are the key differences in torque and speed between the models?
A5: The HS08A generally offers the highest torque, followed by the X08 V6.0, and then the X06H. The speeds vary depending on the voltage, but the X06H tends to be the fastest, with HS08A being the slowest, especially at lower voltages. Refer to the specification table for detailed torque and speed values at different voltages.
