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Description
mini digital servo metal gear KST DS315MG V8.0 Mini Digital Metal Gear Coreless Servo 4.8kg 0.07secThe KST DS315MG V8. 0 Mini Digital Metal Gear Coreless Servo is a compact mini servo for RC helicopters and other small control systems that need fast response in a micro class package. KST positions it as a lightweight, high speed metal gear servo with a coreless motor. Verified KST data lists a DC 4. 8V 8. 4V voltage range, up to 4. 8Kgf. cm stall torque at 8. 4V, and 0. 07sec 60deg no load speed at 8. 4V. It uses a coreless DC motor, hardened steel
The KST DS315MG V8.0 Mini Digital Metal Gear Coreless Servo is a compact mini servo for RC helicopters and other small control systems that need fast response in a micro-class package. KST positions it as a lightweight, high-speed metal gear servo with a coreless motor.
Verified KST data lists a DC 4.8V-8.4V voltage range, up to 4.8Kgf.cm stall torque at 8.4V, and 0.07sec/60deg no-load speed at 8.4V. It uses a coreless DC motor, hardened steel gears, potentiometer feedback, an aluminum alloy case, and 2 ball bearings.
With a 23 x 12 x 27.5mm case, 25T 5mm output spline, and about 20g weight, DS315MG V8.0 is a practical choice for compact helicopter or aircraft servo bays.
Product Images
Features
- 4.8Kgf.cm peak torque - Listed stall torque reaches 4.8Kgf.cm at 8.4V.
- 0.07sec fast response - Listed no-load speed reaches 0.07sec/60deg at 8.4V.
- DC 4.8V-8.4V range - Supports both lower-voltage and HV receiver systems.
- Coreless DC motor - Supports smooth response in compact applications.
- Hardened steel gears - Adds durability for helicopter linkages.
- Aluminum alloy case - Provides a rigid compact housing.
- 25T 5mm output spline - Uses the listed spline for matching horns.
- 2BB construction - Uses dual ball bearings for output support.
- 140deg default travel - Default travel is listed as +/-70deg.
- Programmable soft start - KST lists soft start and programmability.
Specifications
| Parameter | Value |
|---|---|
| Model | KST DS315MG V8.0 |
| Shopify SKU | KST-DS315MGV80 |
| Rated Voltage | DC 6.0V |
| Voltage Range | DC 4.8V-8.4V |
| Stalling Torque | 2.8Kgf.cm @ 4.8V; 3.5Kgf.cm @ 6.0V; 4.3Kgf.cm @ 7.4V; 4.8Kgf.cm @ 8.4V |
| No-load Speed | 0.10sec/60deg @ 4.8V; 0.09sec/60deg @ 6.0V; 0.08sec/60deg @ 7.4V; 0.07sec/60deg @ 8.4V |
| Working Frequency | 1520us / 333Hz |
| Default Travel Angle | +/-70deg = 140deg total |
| Command Interface | PWM command; pulse length 800us-2200us |
| Output Shaft Spline | 25T, 5mm |
| Case Material | Aluminum alloy |
| Motor Type | Coreless DC motor |
| Gear Set Material | Hardened steel |
| Position Sensor | Potentiometer |
| Ball Bearing | 2BB |
| Case Dimensions | 23 x 12 x 27.5mm +/-0.2mm |
| Weight | 20g +/-10% |
| Temperature Range | -20C to +65C |
| Soft Start | Programmable |
| Programmable | Yes |
Reference Documents
Application
- RC helicopter cyclic control - Suitable for compatible cyclic servo positions after checking size and load.
- Swash plate control - Supports precise PWM actuation where speed and torque match the helicopter setup.
- Helicopter upgrade projects - Can replace compatible servos after checking voltage, spline, travel, and case size.
- HV receiver systems - Works within the listed voltage range when powered correctly.
- Fast control linkages - Useful where fast 60deg response is required.
- Custom PWM mechanisms - Can be used in non-heli mechanisms that match the servo load and signal requirements.
Packing List
| Description | Quantity |
|---|---|
| KST DS315MG V8.0 mini servo | 1 |
| Plastic servo horn | 3 |
| Mounting screw | 2 |
| Servo horn screw | 1 |
FAQ
How does DS315MG differ from X12-708?
DS315MG uses a coreless motor and lists 4.8Kgf.cm at 8.4V. X12-708 is a brushless micro servo with higher listed torque of 9.3Kgf.cm at 8.4V.
Does OpenELAB list multiple Shopify variants for this product?
No. The current Shopify product is a single variant with SKU KST-DS315MGV80.
What is the maximum listed torque?
The technical specification lists 4.8Kgf.cm at 8.4V.
What is the fastest listed speed?
The fastest listed no-load speed is 0.07sec/60deg at 8.4V.
What is included in the package?
The package includes one DS315MG V8.0 mini servo, three plastic servo horns, two mounting screws, and one servo horn screw.
What voltage range does it support?
The listed voltage range is DC 4.8V-8.4V.
What spline does it use?
The technical specification lists a 25T, 5mm output shaft spline.
What should I check before installation?
Confirm the 23 x 12 x 27.5mm case, 25T 5mm spline, voltage range, and control linkage geometry.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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