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Stepper Motor: Bipolar, 200 Steps/Rev, 20×42mm, 4.3V, 0.8 A/Phase

Pololu item #: 2256
Brand: SOYO
Status: Active and Preferred

Price break	Unit price (US$)
1	34.95
5	32.85
25	30.88

Quantity:
backorders allowed

This small NEMA 8-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 800 mA at 4.3 V, allowing for a holding torque of 300 g-cm (4.2 oz-in). With a weight of 80 g, this is one of the smaller stepper motors we carry.

	Description		Specs (13)		Pictures (8)		Resources (2)		FAQs (2)		On the blog (0)

Dimensions

Size:	20 mm square × 42 mm¹
NEMA size:	8
Weight:	80 g
Shaft diameter:	4 mm

General specifications

Shaft type:	4 mm "D"
Current rating:	800 mA²
Voltage rating:	4.3 V
Holding torque:	4.2 oz·in
Steps per revolution:	200
Resistance:	5.4 Ohm²
Inductance per phase:	1.5 mH
Number of leads:	4
Lead length:	30 cm

Notes:

1: Not including the shaft.
2: Per coil.

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