Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase vs Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 3.6V, 2 A/Phase
Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase and Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 3.6V, 2 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, Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase is €23.57 cheaper ($49.52).
| Criterion |  Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase |  Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 3.6V, 2 A/Phase |
|---|---|---|
| Price | $49.52cheapest | $76.72 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current | 0.67 A | 2 A |
| Resistance | 6.8 Ω | 1.8 Ω |
| Voltage | 4.5 V | 3.6 V |
| Dimensions | 28×45mm | 57×56mm |
| Weight | 140 g | 700 g |
| Holding torque | 13 oz·in | 125 oz·in |
| Inductance per phase | 4.9 mH | 2.5 mH |
| Lead length | 30 cm | 30 cm |
| Nema size | 11 | 23 |
| Number of leads | 4 | 6 |
| Shaft diameter | 5 mm | 6.35 mm |
| Shaft type | 5 mm "D" | 1/4 inch "D" |
| Size | 28 mm square × 45 mm | 56.4 mm square × 56 mm |
| Steps per revolution | 200 | 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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