# goBILDA Yellow Jacket 5204-8002-0188

> goBILDA 5204-8002-0188 Yellow Jacket is a 12 V RS-555 brushed DC planetary gearmotor with 188:1 steel gearing, 30 rpm no-load output speed, 250 kg cm stall torque (9.2 A), 8 mm REX output shaft, 134.0 mm long, 543 g, and a 3.3 to 5 V magnetic quadrature encoder rated at 5,281.1 PPR at the output shaft.

- Manufacturer: goBILDA
- Part number: 5204-8002-0188
- Category: Motors
- Canonical page: https://www.xirkit.io/products/gobilda-yellow-jacket-5204-8002-0188-a8c4
- Pinout: https://www.xirkit.io/products/gobilda-yellow-jacket-5204-8002-0188-a8c4/pinout
- Structured JSON: https://www.xirkit.io/products/gobilda-yellow-jacket-5204-8002-0188-a8c4/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Motor type | gearmotor |
| Rated voltage | 12 V |
| Stall torque | 24.517 N·m |
| No-load speed | 30 rpm |
| Gear ratio | 188:1 |
| Shaft diameter | 8 mm |
| Encoder | relative magnetic Hall-effect quadrature encoder, 5281.1 PPR at output shaft |
| Dimensions | 37.5 × 37.5 × 213.5 mm |

## Pinout (2 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| MOTOR | 3.5 mm FH-MC bullet connectors | motor plus | — | motor | — | — | — | — | — | — | — |
| ENC | 4-position JST XH [FH-MC] | signal | — | enc | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.gobilda.com | 56.99 USD | in_stock | 2026-10-01 | https://www.gobilda.com/5204-series-yellow-jacket-planetary-gear-motor-188-1-ratio-80mm-length-8mm-rex-shaft-30-rpm-3-3-5v-encoder/ |

## FAQ

**How much does the goBILDA Yellow Jacket 5204-8002-0188 cost?**

From $56.99 at www.gobilda.com. Prices are observed unit prices before tax and shipping.

**What are the goBILDA Yellow Jacket 5204-8002-0188 dimensions?**

37.5 × 37.5 × 213.5 mm. A STEP model is available for enclosure fit checks.

**Where does this goBILDA Yellow Jacket 5204-8002-0188 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

- [goBILDA Yellow Jacket 5204-8002-0188 datasheet](https://www.gobilda.com/content/spec_sheets/5204-8002-0188_spec_sheet.pdf)
- [www.gobilda.com listing](https://www.gobilda.com/5204-series-yellow-jacket-planetary-gear-motor-188-1-ratio-80mm-length-8mm-rex-shaft-30-rpm-3-3-5v-encoder/)

## Part graph

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