# Pololu 100:1 Micro Gearmotor HPCB 12V

> Pololu #3041 100:1 Micro Metal Gearmotor HPCB 12V (N20 size): 330 rpm and 0.08 A no-load at 12 V, 1.3 kg·cm / 0.75 A stall (extrapolated), 1.1 W max output, 31 % peak efficiency, 100.37:1 metal gearbox, 10 × 12 × 25.6 mm max, Ø3 mm × 10 mm D-shaft, two M1.6 face holes, 9.5 g.

- Manufacturer: Pololu
- Part number: 3041
- Category: Motors
- Canonical page: https://www.xirkit.io/products/pololu-100-1-micro-gearmotor-hpcb-12v-02db
- Pinout: https://www.xirkit.io/products/pololu-100-1-micro-gearmotor-hpcb-12v-02db/pinout
- Structured JSON: https://www.xirkit.io/products/pololu-100-1-micro-gearmotor-hpcb-12v-02db/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 |
| Rated torque | 0.028 N·m |
| Stall torque | 0.127 N·m |
| Rated speed | 260 rpm |
| No-load speed | 330 rpm |
| Rated current | 0.21 A |
| Gear ratio | 100.37:1 |
| Shaft diameter | 3 mm |
| Encoder | none |
| Dimensions | 12 × 10 × 35.6 mm |

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

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| M1 | — | motor plus | — | m1 | — | — | — | — | — | — | — |
| M2 | — | motor minus | — | m2 | — | — | — | — | — | — | — |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.pololu.com | 26.45 USD | in_stock | 2026-10-01 | https://www.pololu.com/product/3041 |

## FAQ

**How much does the Pololu 100:1 Micro Gearmotor HPCB 12V cost?**

From $26.45 at www.pololu.com. Prices are observed unit prices before tax and shipping.

**What are the Pololu 100:1 Micro Gearmotor HPCB 12V dimensions?**

12 × 10 × 35.6 mm. A STEP model is available for enclosure fit checks.

**Where does this Pololu 100:1 Micro Gearmotor HPCB 12V 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

- [Pololu 100:1 Micro Gearmotor HPCB 12V datasheet](https://www.pololu.com/file/0J1487/pololu-micro-metal-gearmotors-rev-6-2.pdf)
- [www.pololu.com listing](https://www.pololu.com/product/3041)

## Part graph

### Alternatives (by use case)

- [Pololu 30:1 Micro Gearmotor HPCB 6V](https://www.xirkit.io/products/pololu-30-1-micro-gearmotor-hpcb-6v-4f3c) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $26.45
- [Pololu 30:1 Micro Metal Gearmotor MP 6V](https://www.xirkit.io/products/pololu-30-1-micro-metal-gearmotor-mp-6v-4739) — Both serve mobile robot drive trains — check the trade-offs; $23.95 vs $26.45
- [Pololu 30:1 Micro Gearmotor HPCB 12V](https://www.xirkit.io/products/pololu-30-1-micro-gearmotor-hpcb-12v-4f88) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $26.45
- [Pololu 50:1 Micro Gearmotor HPCB 12V](https://www.xirkit.io/products/pololu-50-1-micro-gearmotor-hpcb-12v-3a12) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $26.45
- [Pololu 50:1 Micro Metal Gearmotor MP 6V](https://www.xirkit.io/products/pololu-50-1-micro-metal-gearmotor-mp-6v-1ce9) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $23.95
- [Pololu 30:1 Micro Metal Gearmotor HP 6V](https://www.xirkit.io/products/pololu-30-1-micro-metal-gearmotor-hp-6v-343b) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $23.95
- [Pololu 75:1 Micro Gearmotor HPCB 12V](https://www.xirkit.io/products/pololu-75-1-micro-gearmotor-hpcb-12v-5eaf) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $26.45
- [Pololu 298:1 Micro Metal Gearmotor HP 6V](https://www.xirkit.io/products/pololu-298-1-micro-metal-gearmotor-hp-6v-d4b1) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $23.95
- [Pololu 100:1 Micro Metal Gearmotor HP 6V](https://www.xirkit.io/products/pololu-100-1-micro-metal-gearmotor-hp-6v-e223) — Both serve mobile robot drive trains — check the trade-offs; $26.45 vs $23.95