Hitec HS-45HB Karbonite Gear Micro Servo

The Hitec HS-45HB Premium Feather micro servo (part number 2212040) combines durable Karbonite gears with a top ball bearing supported output shaft for smooth operation and long service life. Compact and lightweight, it offers dependable performance within a 4.8–6.0 V operating range.

At just 7.94 g and measuring 23.37 x 9.65 x 22.35 mm, the HS-45HB delivers quick transit speeds and reliable torque in a small footprint.

Key Features

• Karbonite gear train for durability
• Top ball bearing supported output shaft
• Lightweight 7.94 g micro servo
• 3‑pole motor and 5 μs dead band width
• Operating voltage range: 4.8–6.0 V

Specifications

• Motor type: 3‑pole
• Bearing type: Top ball bearing
• Speed (4.8 V / 6.0 V): 0.14 / 0.12 s @ 60°
• Torque (kg·cm, 4.8 V / 6.0 V): 1.0 / 1.2
• Torque (oz·in, 4.8 V / 6.0 V): 14 / 17
• Dimensions (mm): 23.37 x 9.65 x 22.35
• Dimensions (in): 0.92 x 0.38 x 0.88
• Weight: 7.94 g (0.28 oz)
• Gears: Karbonite
• Control system: +Pulse width control, 1500 μs neutral
• Operating temperature: −20°C to +60°C (−4°F to +140°F)
• Idle current: 8 mA
• Stall current (4.8 V / 6.0 V): 440 mA
• Potentiometer: 2 slider / direct drive
• Lead length: 250 mm (9.84 in), 28 AWG

The HS-45HB blends economy with robust construction, ideal where minimal weight and consistent performance are priorities.