# ROBOTIS DYNAMIXEL XL330-M077-T

> ROBOTIS DYNAMIXEL XL330-M077-T smart servo — the fast XL330: cored DC motor + 77.5:1 plastic gearbox + Cortex-M0+ controller + 12-bit AS5601 absolute encoder, 0.215 N·m stall / 383 rpm no-load at 5 V (3.7–6 V), current / velocity / position / multi-turn / PWM modes, TTL bus up to 4 Mbps, 20 × 34 × 26 mm, 18 g. Common in low-cost leader arms and grippers.

- Manufacturer: ROBOTIS
- Part number: XL330-M077-T
- Category: Actuators
- Canonical page: https://www.xirkit.io/products/robotis-dynamixel-xl330-m077-t-1a93
- Pinout: https://www.xirkit.io/products/robotis-dynamixel-xl330-m077-t-1a93/pinout
- Structured JSON: https://www.xirkit.io/products/robotis-dynamixel-xl330-m077-t-1a93/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 | 77.5:1 |
| Peak torque | 0.215 N·m |
| No-load speed | 383 rpm |
| Rated voltage | 6 V |
| Torque constant Kt | 0.146 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 | 27.49 USD | in_stock | 2026-10-01 | https://robotis.us/products/dynamixel-xl330-m077-t |

## FAQ

**What voltage powers the ROBOTIS DYNAMIXEL XL330-M077-T?**

Supply range 3.7–6 V.

**How much does the ROBOTIS DYNAMIXEL XL330-M077-T cost?**

From $27.49 at robotis.us. Prices are observed unit prices before tax and shipping.

**What are the ROBOTIS DYNAMIXEL XL330-M077-T dimensions?**

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

**Where does this ROBOTIS DYNAMIXEL XL330-M077-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 XL330-M077-T datasheet](https://emanual.robotis.com/docs/en/dxl/x/xl330-m077/)
- [robotis.us listing](https://robotis.us/products/dynamixel-xl330-m077-t)

## Part graph

### Alternatives (by use case)

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