# goBILDA Yellow Jacket 1:1 Motor

> goBILDA 5203-2402-0001 Yellow Jacket is a 12 V RS-555 brushed DC planetary gearmotor with a 1:1 direct output (no reduction), 6000 rpm no-load output speed, 1.47 kg cm stall torque (9.2 A), 8 mm REX output shaft, 107.5 mm long, 396 g, and a 3.3 to 5 V magnetic quadrature encoder rated at 28 PPR at the output shaft.

- Manufacturer: goBILDA
- Part number: 5203-2402-0001
- Category: Motors
- Canonical page: https://www.xirkit.io/products/gobilda-yellow-jacket-1-1-motor-90e6
- Pinout: https://www.xirkit.io/products/gobilda-yellow-jacket-1-1-motor-90e6/pinout
- Structured JSON: https://www.xirkit.io/products/gobilda-yellow-jacket-1-1-motor-90e6/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Motor type | brushed_dc |
| Rated voltage | 12 V |
| Stall torque | 0.144 N·m |
| No-load speed | 6,000 rpm |
| Gear ratio | 1:1 |
| Shaft diameter | 8 mm |
| Encoder | relative magnetic Hall-effect quadrature encoder, 28 PPR at output shaft |
| Dimensions | 37.5 × 37.5 × 131 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 | 54.99 USD | in_stock | 2026-10-01 | https://www.gobilda.com/5203-series-yellow-jacket-motor-1-1-ratio-24mm-length-8mm-rex-shaft-6000-rpm-3-3-5v-encoder/ |

## FAQ

**How much does the goBILDA Yellow Jacket 1:1 Motor cost?**

From $54.99 at www.gobilda.com. Prices are observed unit prices before tax and shipping.

**What are the goBILDA Yellow Jacket 1:1 Motor dimensions?**

37.5 × 37.5 × 131 mm. A STEP model is available for enclosure fit checks.

**Where does this goBILDA Yellow Jacket 1:1 Motor 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 1:1 Motor datasheet](https://www.gobilda.com/content/spec_sheets/5203-2402-0001_spec_sheet.pdf)
- [www.gobilda.com listing](https://www.gobilda.com/5203-series-yellow-jacket-motor-1-1-ratio-24mm-length-8mm-rex-shaft-6000-rpm-3-3-5v-encoder/)

## Part graph

### Alternatives (by use case)

- [goBILDA Yellow Jacket 5202-2402-0188](https://www.xirkit.io/products/gobilda-yellow-jacket-5202-2402-0188-0e10) — Both serve mobile robot drive trains — check the trade-offs; $54.99 vs $54.99
- [goBILDA Yellow Jacket 5202 188:1 Motor](https://www.xirkit.io/products/gobilda-yellow-jacket-5202-188-1-motor-12c9) — Both serve mobile robot drive trains — check the trade-offs; $54.99 vs $39.99
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- [goBILDA Yellow Jacket 71.2:1 Gearmotor](https://www.xirkit.io/products/gobilda-yellow-jacket-71-2-1-gearmotor-698e) — Both serve mobile robot drive trains — check the trade-offs; $54.99 vs $54.99
- [goBILDA Yellow Jacket 13.7:1 Gearmotor](https://www.xirkit.io/products/gobilda-yellow-jacket-13-7-1-gearmotor-94ee) — Both serve mobile robot drive trains — check the trade-offs; $54.99 vs $54.99
- [goBILDA Yellow Jacket 5204-8002-0188](https://www.xirkit.io/products/gobilda-yellow-jacket-5204-8002-0188-a8c4) — Both serve mobile robot drive trains — check the trade-offs; $54.99 vs $56.99
- [Pololu #4756 131:1 37D Gearmotor](https://www.xirkit.io/products/pololu-4756-131-1-37d-gearmotor-e435) — Both serve mobile robot drive trains — check the trade-offs; $54.99 vs $60.95
