# ROBOTIS DYNAMIXEL XC330-T181-T

> ROBOTIS DYNAMIXEL XC330-T181-T smart servo: coreless DC motor + 180.62:1 metal gearbox + ARM Cortex-M0+ 64 MHz controller + 12-bit AS5601 absolute encoder, 0.76 N·m stall / 104 rpm no-load at 11.1 V; 6.5–12.0 V (11.1 V recommended), TTL bus, 20.0 × 34.0 × 26.0 mm, 23 g. Current, velocity, position, multi-turn, current-based position and PWM modes.

- Manufacturer: ROBOTIS
- Part number: XC330-T181-T
- Category: Actuators
- Canonical page: https://www.xirkit.io/products/robotis-dynamixel-xc330-t181-t-c060
- Pinout: https://www.xirkit.io/products/robotis-dynamixel-xc330-t181-t-c060/pinout
- Structured JSON: https://www.xirkit.io/products/robotis-dynamixel-xc330-t181-t-c060/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Actuator type | smart_servo |
| Gearbox | 180.62:1 |
| Peak torque | 0.76 N·m |
| No-load speed | 104 rpm |
| Rated voltage | 12 V |
| Torque constant Kt | 0.95 N·m/A |
| Encoder | contactless absolute magnetic, 12-bit (4096 pulse/rev), ams AS5601 |
| Control interface | TTL |
| Control modes | current, velocity, position, extended position (multi-turn), current-based position, PWM |
| Dimensions | 26 × 20 × 34 mm |
| Operating temperature | -5 to 70 °C |

## Pinout (3 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| GND | JST B3B-EH-A · EH-1 | ground | — | ground | — | — | — | — | — | — | — |
| VDD | JST B3B-EH-A · EH-2 | power in | — | power_in | — | — | — | — | — | — | — |
| DATA | JST B3B-EH-A · EH-3 | signal | — | data | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| robotis.us | 103.39 USD | in_stock | 2026-10-01 | https://robotis.us/products/dynamixel-xc330-t181-t |

## FAQ

**What voltage powers the ROBOTIS DYNAMIXEL XC330-T181-T?**

Supply range 6.5–12 V.

**How much does the ROBOTIS DYNAMIXEL XC330-T181-T cost?**

From $103.39 at robotis.us. Prices are observed unit prices before tax and shipping.

**What are the ROBOTIS DYNAMIXEL XC330-T181-T dimensions?**

26 × 20 × 34 mm. A STEP model is available for enclosure fit checks.

**Where does this ROBOTIS DYNAMIXEL XC330-T181-T data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [ROBOTIS DYNAMIXEL XC330-T181-T datasheet](https://emanual.robotis.com/docs/en/dxl/x/xc330-t181/)
- [robotis.us listing](https://robotis.us/products/dynamixel-xc330-t181-t)

## Part graph

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