Product overview
The HAKRC 4255 Single ESC is an electronic speed controller with a 55 * 28mm footprint and a net product weight of 21g. Its electrical integration requirements include a 6S-12S Lipo input and support for PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300 and Dshot600 control protocols. The current ratings distinguish 100A continuous operation from a 120A peak. Its firmware is HAKRC-AT4G-Rev.32.9.Hex, and the hardware listing identifies SLM21867CA-DG, AT32F421K8 and FDBL0150N80 components. The main control chip runs at up to 64MHz.
The physical architecture uses an eight-layer PCB with 4oZ thickened copper, resin-plugged holes and a double pad arrangement. Metallized pad edging is intended to resist pad detachment during use, while the copper and board construction support heat dissipation and current handling. The component configuration also includes imported 80V MOS devices, an industrial-grade LDO described as resistant to high temperatures, and Japanese Murata capacitors for filtering. Programmable LED lighting effects are another feature of this single ESC.
Specifications
| Specification | Value & conditions |
|---|---|
| Brand | HAKRC |
| Model | 4255 Single ESC |
| Size | 55 * 28mm |
| Net weight of product | 21g |
| ESC firmware | HAKRC-AT4G-Rev.32.9.Hex |
| Hardware | SLM21867CA-DG AT32F421K8 FDBL0150N80 |
| Protocol support | PWM, Oneshot125, Oneshot42, Multishot, Dshot150, Dshot300, Dshot600 |
| Input voltage | 6S-12S Lipo |
| Continuous current | 100A |
| Peak current | 120A |
| Maximum main control chip frequency | Up to 64MHz |
| PCB construction | 8-layer PCB with 4oZ thickened copper, resin-plugged holes and double pad design |
| Pad edging | Metallized edging intended to resist pad detachment during use |
| MOS components | Imported 80V high-current-resistant MOS components |
| LDO | Industrial-grade LDO with high-temperature resistance |
| Capacitors | Japanese Murata capacitors for filtering |
| Lighting | Programmable LED lighting effects |
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