Mechanical Components » Stepper Motors »

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

Pololu item #: 2256
Brand: SOYO

Notify me when stock is at least Optional: desired quantity
Status: Active and Preferred

Price break	Unit price (US$)
1	55.92
5	52.56
25	49.41

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 (14)

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.

Related products

	Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase
	Tic T500 USB Multi-Interface Stepper Motor Controller (Connectors Soldered)
	DRV8825 Stepper Motor Driver Carrier, High Current
	DRV8834 Low-Voltage Stepper Motor Driver Carrier
	A4988 Stepper Motor Driver Carrier, Black Edition
	A4988 Stepper Motor Driver Carrier
	Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack)
	Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack)
	Sanyo Miniature Stepper Motor: Bipolar, 200 Steps/Rev, 14×30mm, 6.3V, 0.3 A/Phase
	Sanyo Miniature Stepper Motor: Bipolar, 200 Steps/Rev, 14×30mm, 6.3V, 0.3 A/Phase, Double Shaft
	Stepper Motor: Bipolar, 200 Steps/Rev, 28×32mm, 3.8V, 0.67 A/Phase
	Stepper Motor: Bipolar, 200 Steps/Rev, 28×45mm, 4.5V, 0.67 A/Phase
	Stepper Motor: Bipolar, 200 Steps/Rev, 35×26mm, 7.4V, 0.28 A/Phase
	Stepper Motor: Bipolar, 200 Steps/Rev, 35×28mm, 10V, 0.5 A/Phase
	Stepper Motor: Bipolar, 200 Steps/Rev, 35×36mm, 2.7V, 1 A/Phase
	Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 42×48mm, 4V, 1.2 A/Phase
	Crimping Tool: 0.08-0.5 mm² Capacity, 20-28 AWG
	Male Crimp Pins for 0.1" Housings 100-Pack
	0.1" (2.54mm) Crimp Connector Housing: 1x4-Pin 10-Pack