Hitec HS-77BB Low Profile Servo


In stock

SKU: 1777527
  1. Motor Type: 3 Pole Metal Brush Ferrite
  2. Gear Material: Nylon
  3. Operating Voltage (VDC): 4.8V ~ 6.0V
  4. Speed (second @ 60 degrees): 0.18 ~ 0.14
  5. Maximum torque range(kg/cm): 4.4 ~ 5.5


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Brand: Hitec
Category: Hitec Servo Motors

The Hitec HS-77BB Low Profile Servo is a compact and powerful servo motor designed for applications where space is limited. With its low-profile design, measuring just 1.2 x 0.6 x 1.1 inches (31 x 15 x 29 mm), it offers versatile installation options in various electronic and mechanical systems. Despite its small size, this servo packs a punch, delivering a torque rating of up to 2.2 kg-cm (30 oz-in) at 6V, making it suitable for a wide range of RC aircraft and vehicle applications. Equipped with ball bearings and durable gears, it ensures smooth and reliable operation, even under demanding conditions. The HS-77BB servo is compatible with standard RC connectors and features a universal spline, allowing for easy integration into existing setups. Whether used for steering, throttle control, or other motion applications, the Hitec HS-77BB Low Profile Servo provides precision, durability, and performance in a compact package.


  1. Low Profile Compact Design
  2. High Torque Three-Pole Ferrite Motor
  3. Durable Nylon Gears
  4. Top Ball Bearings

Package Includes:

1 x Hitec HS-77BB Low Profile Servo

1 x Accessories as shown in image

SKU: 1777527 Category:
Item Type:

Low Profile Servo

Model No.


Speed (Second @ 60°)

0.14 to 0.18

Operating Voltage (VDC):

4.8 to 6

Gear Material


Motor Type

3 Pole Metal Brush Ferrite

Max. Torque (kg/cm)

4.4 ~ 5.5

Idle Current (mA)

8 mA

No Load Current (mA)


Stall Current Draw (mA)


Dead Band Width (us)


Bearing Type

Top Ball Bearing

Dimensions (L x W x H) mm

44.0 x 23.0 x 25.0

Weight (g):


Shipping Weight 0.05 kg
Shipping Dimensions 7 × 5 × 6 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China