Mechanical Components » Motors and Gearboxes » Stepper Motors »

Stepper Motor: Bipolar, 200 Steps/Rev, 20×30mm, 3.9V, 0.6 A/Phase

Pololu item #: 1204
Brand: SOYO
Status: Active and Preferred

Price break	Unit price (US$)
1	28.95
5	27.21
25	25.58

Quantity:
backorders allowed

This small NEMA 8-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 600 mA at 3.9 V, allowing for a holding torque of 180 g-cm (2.5 oz-in). With a weight of 60 g, this is one of the smallest stepper motors we carry.

Compare all products in Stepper Motors.

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

Stepper motor: bipolar, 200 steps/rev, 20×30mm, 3.9V, 600mA (SY20STH30-0604A).

Dimensions (in mm) of stepper motor: bipolar, 200 steps/rev, 20×30mm, 3.9V, 600mA.

Bipolar stepper motor wires are terminated with bare leads.

Bipolar stepper motor wiring diagram.

The inside of a bipolar stepper motor (SOYO NEMA 14-size).

Pololu’s assortment of stepper motors.

SY20STH30-0604A (left) and SY20STH42-0804A (right).

SY20STH30-0604A (top) and SY20STH42-0804A (bottom).

Related products

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