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		Technique parameter
		Item Specification Step Angle Accuracy ±5%（full step,no load） Resistance Accuracy ±10% Inductance Accuracy ±20% Temperature Rise 80℃Max.(rated current,2 phase on) Ambient Temperature -10℃-+50℃ Insulation Resistance 100MΩMin.500VDC Dielectric Strength 500VAC for one minute Shaft Radial Play 0.06Max.(450 g-load) Shaft Axial Play 0.08Max.(450 g-load)
Technique Specification
Model No. Rated Voltage Current /Phase Resistance /Phase Inductance /Phase Holding Tprque #Of Leads Weight Length Single Shaft Double Shaft V A Ω mH Oz-in g-cm   Kg mm 20H28H-0204A 20H28H-0204B 4.8 0.2 24 8.0 2.2 160 4 0.05 28 20H30H-0506A 20H30H-0506B 5.75 0.5 11.5 1.7 2.5 180 6 0.06 30 20H33H-0604A 20H33H-0604B 3.9 0.6 6.5 2.2 2.8 200 4 0.07 33 20H38H-0604A 20H38H-0604B 10 0.6 10 5.5 5.6 400 4 0.08 38
Dimensions			Wiring Diagram
Pull out torque curve
MODEL:20H28H-0204	CURRENT:0.2A	VOLTAGE:24VDC	FULL STEP	A
MODEL:20H30H-0506	CURRENT:0.5A	VOLTAGE:24VDC	FULL STEP	B
MODEL:20H33H-0506	CURRENT:0.5A	VOLTAGE:24VDC	FULL STEP	C
MODEL:20H38H-0604	CURRENT:0.6A	VOLTAGE:24VDC	FULL STEP	D