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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)

Stepper motor: bipolar, 200 steps/rev, 20×42mm, 4.3V, 800mA (SY20STH42-0804A)

SY20STH42-0804A dimension diagram.

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).

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