In B2B electronic product development, the diversity of power supply systems poses significant challenges to the compatibility of micro DC motors. Whether it is a portable device driven by a single lithium battery (3.7V) or a fixed terminal powered by industrial standard supplies (6V/9V), engineers require a motor platform that is stable and eliminates the need for frequent re-selection. The FK-280 micro DC motor, with its exceptional adaptability across a 3V to 9V wide voltage range, has become the preferred solution for cross-platform power matching.
In practical operating conditions, voltage is rarely constant, and this uncertainty often leads to several technical pain points:
Speed Inconsistency: As battery voltage drops, the output speed of ordinary motors decreases significantly, causing actuators to slow down.
Thermal Runaway Risk: Under high-voltage conditions such as 9V, improper winding design can cause current surges, leading to severe temperature rises and shortened brush life.
Torque Drop: During 3V low-voltage startup, if the motor's internal resistance is too high, it often fails to provide sufficient stall torque to overcome mechanical loads.
The FK-280 utilizes high-performance enameled wire and a precision commutator structure. By customizing winding turns, the motor maintains low starting resistance at 3V while demonstrating excellent current suppression at 9V. This design ensures that the Efficiency Point across different voltage platforms remains controlled, with maximum efficiency exceeding 60%.
| Model | Voltage | No load | At maximum efficiency | Stall | ||||||||
| Range | Rated | Speed | Current | Speed | Current | Torque | P.out | Torque | Current | |||
| V | R/min | A | R/min | A | mN-m | g-cm | W | mN-m | g-cm | A | ||
| FK-280PA-20150 | 10.0 - 15.0 | 12 | 12,000 | 0.1 | 10,330 | 0.62 | 4.45 | 45.4 | 4.81 | 31.86 | 325 | 3.8 |
| FK-280PA-18165 | 10.0 - 15.0 | 12 | 10,500 | 0.09 | 9,000 | 0.54 | 4.12 | 42 | 3.88 | 28.92 | 295 | 3.25 |
| FK-280SA-18165 | 10.0 - 15.0 | 12 | 12,300 | 0.075 | 10,710 | 0.5 | 3.40 | 34.7 | 3.82 | 26.27 | 268 | 3.4 |
| FK-280S-3736 | 1.5-3.0 | 2.4 | 11300 | 0.30 | 9562 | 1.58 | 2.38 | 24.3 | 2.54 | 15.59 | 159 | 8.74 |
| FK-280S-3158 | 1.5-3.0 | 2.4 | 7400 | 0.18 | 6152 | 0.91 | 2.53 | 25.8 | 1.41 | 14.31 | 146 | 4.63 |
| 1mN.m=10.2g.cm All data in chart can be custom as your need. |
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Even when reaching speeds of up to 20,000 RPM under 9V drive, the FK-280 maintains its "low noise" characteristic. This is attributed to its compact flat-type housing and dynamic balance rotor technology, which effectively suppress mechanical resonance and acoustic interference caused by voltage fluctuations.
For B2B engineers engaged in global procurement and R&D, it is recommended to evaluate the following parameters:
Identify Nominal Voltage: Customize windings based on the primary power frequency (e.g., 3.7V Li-ion or 6V adapter) to ensure optimal torque at the most frequently used voltage.
Assess Load Fluctuations: The FK-280 supports pre-installed cables, facilitating direct connection to voltage regulator modules or PWM controllers for constant speed output.
Durability Verification: For long-term 9V operation, verify the motor's temperature rise tolerance to ensure that brush wear remains within safe thresholds during high-voltage continuous duty.
In modern hardware environments where multiple voltages coexist, motor compatibility is a core competitive advantage. The FK-280, through its robust performance on the 3V-9V wide-voltage platform, provides a highly flexible power solution for automated equipment, smart homes, and automotive actuators. For manufacturers pursuing rapid iteration and multi-model adaptation, the FK-280, selected based on voltage-regulated drive performance, is the ideal choice to mitigate R&D risks.
