How to choose the right ESC for an RC aircraft
ESC selection by maximum current, voltage, BEC, safety margin, cooling, connector choice and the real load from motor and propeller.
Firma 130A Brushless Smart ESC / 2250Kv Sensored Motor Combo
Prices are intentionally not displayed on the site.
Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Firma 130A Brushless Smart ESC / 2250Kv Sensored Motor Combo is a Spektrum product intended for surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics. This page presents the practical buying information a customer needs before ordering: fit, SKU, image, category, specifications and usage advantages.
The content is written for purchasing through RC-MODEL, without supplier prices or links to competing stores.
Key Advantages
- Organized under the Spektrum telemetry and sensor range.
- Intended for surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics.
- Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
- Includes local product imagery and structured specifications for easier comparison inside RC-MODEL.
- Spektrum Smart compatibility is highlighted where relevant for batteries, chargers, ESCs or telemetry-aware systems.
Core Specifications
- Manufacturer: Spektrum
- Brand: Spektrum
- Product Code: SPMXSEMC21
- Product Family: Spektrum telemetry and sensor range
- Application: surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics
- Compatibility Focus: Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering.
- Spektrum Category: Cars & Trucks / Parts, Electronics & Accessories / Electronic Speed Controls
- Input Voltage: 3-4S LiPo
- Motor Type: Brushless
- Battery Connector: Solder tabs (user installable IC5 lead included)
- Battery Input Lead: None, IC5
- BEC: Yes
- BEC Continuous Current: 5A
- BEC Type: Adjustable
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
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| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMXSEMC21 |
| Spektrum Category | Cars & Trucks / Parts, Electronics & Accessories / Electronic Speed Controls |
| Connector Type | IC5 |
| Product Family | Spektrum telemetry and sensor range |
| Application | surface RC vehicles, crawlers, bashers and race setups that need dependable Spektrum control electronics |
| Compatibility Focus | Check compatibility with Spektrum Smart equipment and the exact model requirements before ordering. |
| BEC | Yes |
| BEC Type | Adjustable |
| BEC Voltage | 6V or 7.4V |
| Brakes | Yes |
| Forward | Yes |
| Input Voltage | 3-4S LiPo |
| Maximum Continuous Current | 130A |
| Motor Output Lead | Solder tabs |
| Programmable | Yes |
| Reverse | Yes |
| Technology | Smart |
| BEC Continuous Current | 5A |
| Motor Type | Brushless |
| ESC Type | Sensored Brushless |
| Number of Poles | 4 |
| RPM/Volt (Kv) | 2250Kv |
| Bushing Or Bearing | Bearing |
| Shaft Diameter | 0.19" (5 mm) |
| Maximum Burst Current | 760A |
| Battery Input Lead | None, IC5 |
| Shaft Length | 0.73" (19 mm) |
| Speed Control | Included |
| Sensored | Yes |
| Battery Connector | Solder tabs (user installable IC5 lead included) |
Tags: Spektrum, SPMXSEMC21, Spektrum telemetry and sensor range, Spektrum Catalog, Spektrum Smart Technology, Spektrum ESCs, Spektrum Surface Electronics, RC-MODEL