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D955TW Servo
Details
The power of Hitec’s D-Series servos continues with the introduction of the next Premium Class trio: the D930SW, D954SW and D955TW. As with our entire “D” line, these technologically-advanced servos are powered by our 32-bit MCU (Microcontroller Unit) and 12-bit ADC (Analog to Digital Converter) industrial science and possess Smart Sense engineering with rapid, high resolution response. Their unprecedented programmability and wide-voltage capabilities deliver the most progressive, leading-edge performance for all your radio control needs. The reliably-strong titanium-geared D955TW replaces the well-known HS-7955TH.
Features:
- Programmable PWM Digital Amplifier
- 32-Bit MCU with 12-Bit ADC Circuitry
- 4096 Resolution
- 1M Cycle Long Life Potentiometer
- Wide Operating Voltage (4.8 ~ 8.4 Volts DC)
- Dual Ball Bearing Supported Output Shaft
- 25-Tooth Output Spline
- Coreless Metal Brush Motors
- Nylon Reinforced Plastic Upper and Lower Case
- Diamond Cut Aluminum Heat Sink Center Case
- Dust Resistant and Splash Proof Case
SPECS
Programmable Features:
- End Point Adjustments
- Direction
- Fail Safe
- Dead Band
- Speed (Slower)
- Soft Start Rate
- Overload Protection
- Data Save / Load
- Program Reset
| Dimensions | 1.57" x 0.78" x 1.46" (40.0 mm x 20.0 mm x 37.0 mm) |
|---|---|
| Product Weight | 2.33 oz (66.0 g) |
| Output Shaft Style | 25 tooth (H25T) spline |
| Voltage Range | 4.8 V - 7.4 V |
| No-Load Speed (4.8V) | 0.19 sec/60° |
| No-Load Speed (7.4V) | 0.12 sec/60° |
| Stall Torque (4.8V) | 251 oz-in. (18.07 kg.cm) |
| Stall Torque (7.4V) | 404 oz-in. (29.09 kg.cm) |
| Max PWM Signal Range (Standard) | 850-2350 μsec |
| Travel per µs (out of box) | .097°/μsec |
| Travel per µsec (reprogrammed) | 0.132°/μsec |
| Max Travel (out of box) | 146° |
| Max Travel (reprogrammed) | 198° |
| Pulse Amplitude | 3-5 V |
| Operating Temperature | -20°C to +60°C |
| Continuous Rotation Modifiable | Yes |
| Direction w/ Increasing PWM Signal | Clockwise |
| Deadband Width | 1 µs |
| Motor Type | Coreless Metal Brush |
| Internal Feedback Style | 5KΩ Potentiometer |
| Output Shaft Support | Dual Ball Bearing |
| Gear Type | Straight Cut Spur |
| Gear Material | Titanium |
| Wire Length | 13" (330.2 mm) |
| Wire Gauge | 20 AWG |
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