INO-Lab HG-250HB - Micro Servo

Specifications

Source: Most data comes from the manufacturer but some data is sourced from our loyal community.

Last Updated:	2025-08-10
Modulation:	Analog
Torque:	4.8V: 27.80 oz-in (2.00 kg-cm) 6.0V: 36.10 oz-in (2.60 kg-cm)
Speed:	4.8V: 0.16 sec/60° 6.0V: 0.12 sec/60°
Weight:	0.63 oz (18.0 g)
Dimensions:	Length:1.18 in (30.0 mm) Width:0.51 in (13.0 mm) Height:1.24 in (31.5 mm)
Motor Type:	3-pole
Gear Type:	Plastic
Rotation/Support:	Dual Bearings
Rotational Range:	(add)
Pulse Cycle:	(add)
Pulse Width:	(add)
Connector Type:	(add)

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The discontinued INO-Lab HG-250HB is a high-quality analog servo in the mini class, designed to be a superior, all-around performer. As part of INO-Lab's "High Grade" (HG) series, it is engineered for the discerning hobbyist who demands a higher level of quality and precision for their medium-sized models. It features a very smooth and durable Hybrid (HB) gear train, known for its low backlash. The HG-250HB is an excellent choice for the flight controls on high-quality .25 to .40 size sport and scale aircraft, or as a precise and reliable steering servo for 1/12 scale racing cars.
The core identity of the HG-250HB is its role as a premium, general-purpose mini servo. It represents a clear step up in quality, offering a more connected and confident control feel that enhances the enjoyment of flying or driving. For the builder who is constructing a high-quality model and wants to equip it with components that will last and perform consistently, the HG-250HB is a very smart and popular choice.
In robotics, the INO-Lab HG-250HB is an excellent choice for projects where reliability and smooth operation are key. Its quality construction makes it ideal for long-term installations or for educational robots that need to be dependable. For any medium-scale robotics project where a higher standard of quality is desired, the HG-250HB provides a reliable and precise solution in a compact package.