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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)		Distributors (37)

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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