73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) vs Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase
73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) and Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, 73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) is €15.23 cheaper ($31.95).
| Criterion |  73:1 Metal Gearmotor 20Dx42L mm (Short Output Shaft) |  Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase |
|---|---|---|
| Price | $31.95cheapest | $49.52 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current | — | 0.67 A |
| Resistance | — | 6.8 Ω |
| Voltage | — | 4.5 V |
| Dimensions | — | 28×45mm |
| Weight | 43 g | 140 g |
| Gear ratio | 73:1 | — |
| Holding torque | — | 13 oz·in |
| Inductance per phase | — | 4.9 mH |
| Lead length | — | 30 cm |
| Nema size | — | 11 |
| No load current 6v | 250 mA | — |
| No load speed 6v | 180 rpm | — |
| Number of leads | — | 4 |
| Shaft diameter | 4 mm | 5 mm |
| Shaft type | — | 5 mm "D" |
| Size | 20D x 44L mm | 28 mm square × 45 mm |
| Stall current 6v | 3 200 mA | — |
| Stall torque 6v | 60 oz·in | — |
| Steps per revolution | — | 200 |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
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