Hitec HS77BB Low Profile servo

Reference: HS77BB

VAT included

HS-77BB Low Profile Servo


HS-77BB Low Profile Servo

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

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) 35.0

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

12 Items

Data sheet

Servo gear material
Nylon gear
Servo Voltage
4.8v - 6.0v
Servo Size
Low Profile

Specific References

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