# goBILDA Yellow Jacket 5202 99.5:1 Motor

> goBILDA 5202-0002-0100 Yellow Jacket (5202 series) is a 12 V RS-555 brushed DC planetary gearmotor with 99.5:1 gearing, 60 rpm no-load, 133.2 kg cm stall torque (9.2 A), 6 mm D output shaft, Ø37.5 mm body 123.5 mm long, M4 face holes on a 16 mm square, 456 g, and a 3.3–5 V magnetic quadrature encoder at 2,786.2 PPR on the output shaft.

- Manufacturer: goBILDA
- Part number: 5202-0002-0100
- Category: Motors
- Canonical page: https://www.xirkit.io/products/gobilda-yellow-jacket-5202-99-5-1-motor-8800
- Pinout: https://www.xirkit.io/products/gobilda-yellow-jacket-5202-99-5-1-motor-8800/pinout
- Structured JSON: https://www.xirkit.io/products/gobilda-yellow-jacket-5202-99-5-1-motor-8800/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 | 13.062 N·m |
| No-load speed | 60 rpm |
| Gear ratio | 99.5:1 |
| Shaft diameter | 6 mm |
| Encoder | relative magnetic Hall-effect quadrature encoder, 2786.2 PPR at output shaft |
| Dimensions | 37.5 × 37.5 × 147.5 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 | 39.99 USD | out_of_stock | 2026-10-01 | https://www.gobilda.com/5202-series-yellow-jacket-planetary-gear-motor-99-5-1-ratio-60-rpm-3-3-5v-encoder/ |

## FAQ

**How much does the goBILDA Yellow Jacket 5202 99.5:1 Motor cost?**

From $39.99 at www.gobilda.com. Prices are observed unit prices before tax and shipping.

**What are the goBILDA Yellow Jacket 5202 99.5:1 Motor dimensions?**

37.5 × 37.5 × 147.5 mm. A STEP model is available for enclosure fit checks.

**Where does this goBILDA Yellow Jacket 5202 99.5:1 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 5202 99.5:1 Motor datasheet](https://www.gobilda.com/content/spec_sheets/5202-0002-0100_spec_sheet.pdf)
- [www.gobilda.com listing](https://www.gobilda.com/5202-series-yellow-jacket-planetary-gear-motor-99-5-1-ratio-60-rpm-3-3-5v-encoder/)

## Part graph

### Alternatives (by use case)

- [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; $39.99 vs $39.99
- [Pololu #4751 19:1 37D Gearmotor](https://www.xirkit.io/products/pololu-4751-19-1-37d-gearmotor-29af) — Both serve mobile robot drive trains — check the trade-offs; $39.99 vs $60.95
- [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; $39.99 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; $39.99 vs $54.99
- [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; $39.99 vs $60.95