Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase 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, Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase is €7.11 cheaper ($41.32).
| Criterion | Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase | Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase |
|---|---|---|
| Price | $41.32cheapest | $49.52 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current | 0.6 A | 0.67 A |
| Resistance | 6.5 Ω | 6.8 Ω |
| Voltage | 3.9 V | 4.5 V |
| Dimensions | 20×30mm | 28×45mm |
| Weight | 60 g | 140 g |
| Holding torque | 2.5 oz·in | 13 oz·in |
| Inductance per phase | 1.7 mH | 4.9 mH |
| Lead length | 30 cm | 30 cm |
| Nema size | 8 | 11 |
| Number of leads | 4 | 4 |
| Shaft diameter | 4 mm | 5 mm |
| Shaft type | 4 mm "D" | 5 mm "D" |
| Size | 20 mm square × 30 mm | 28 mm square × 45 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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