Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase vs Stepper Motor: Bipolar, 200 Steps/Rev, 20×42mm, 4.3V, 0.8 A/Phase
Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase and Stepper Motor: Bipolar, 200 Steps/Rev, 20×42mm, 4.3V, 0.8 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 €12.66 cheaper ($41.32).
| Criterion |  Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase |  Stepper Motor: Bipolar, 200 Steps/Rev, 20×42mm, 4.3V, 0.8 A/Phase |
|---|---|---|
| Price | $41.32cheapest | $55.92 |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Current | 0.6 A | 0.8 A |
| Resistance | 6.5 Ω | 5.4 Ω |
| Voltage | 3.9 V | 4.3 V |
| Dimensions | 20×30mm | 20×42mm |
| Weight | 60 g | 80 g |
| Holding torque | 2.5 oz·in | 4.2 oz·in |
| Inductance per phase | 1.7 mH | 1.5 mH |
| Lead length | 30 cm | 30 cm |
| Nema size | 8 | 8 |
| Number of leads | 4 | 4 |
| Shaft diameter | 4 mm | 4 mm |
| Shaft type | 4 mm "D" | 4 mm "D" |
| Size | 20 mm square × 30 mm | 20 mm square × 42 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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