Hitec HS-77BB Low Profile Servo


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23,89 €

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Data sheet

Servo Type Analogic
Torque + 3 - 5 Kg
Gear Nylon

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Product Description

With its low profile design and strong standing torque, the HS-77BB is a great choice for wing or tail mounting in aircrafts up to 1.20 size. Submarines, boats, cars and trucks can also benefit from this servo’s strength and compact size.


  • Low Profile Compact Design
  • High Torque Three-Pole Ferrite Motor
  • Durable Nylon Gears
  • Top Ball Bearings


  • Nylon Gear Set
  • Plastic Case Set
  • Applicable Horns


Performance Specifications

  • Operating Voltage Range (Volts DC) - 4.8V ~ 6.0V
  • Speed (Second @ 60°) - 0.18 ~ 0.14
  • Maximum Torque Range oz. / in. - 61 ~ 76
  • Maximum Torque Range kg. / cm. - 4.4 ~ 5.5
  • Current Draw at Idle - 8 mA
  • No Load Operating Current Draw - 250 mA
  • Stall Current Draw - 800 mA
  • Dead Band Width - 8 µs

Physical Specifications

  • Dimensions (Inches) - 1.73 x 0.90 x 0.98
  • Dimensions (Metric) - 44.0 x 23.0 x 25.0
  • Weight (Ounces) - 1.23
  • Weight (Gram) - 25.0
  • Circuit Type - HT7003 Analog SMT
  • Motor Type - 3 Pole Metal Brush Ferrite
  • Gear Material - Nylon
  • Bearing Type - Top Ball Bearing
  • Output Shaft (type / Ømm) - Standard 24
  • Case Material - Plastic
  • Dust / Water Resistance - Splash Proof
  • Connector Gauge (AWG) / Strand Count - 25 / 40



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