NEMA17 42BYG 0.9° Stepper Motor 42mm 6V with RoHS Certification for 3D Printers and CNC

Price Negotiable

Price: $8.00 - $15.00 / Units

MOQ: 1 Unit

Delivery Time: 15-30 work days

Brand: VIC-TECH

Product Description

NEMA17 42BYG 0.9° Hybrid Stepper Motor Overview

This compact 42mm two-phase hybrid stepper motor features a precise 0.9° step angle and RoHS certification, making it ideal for precision motion control applications.

NEMA17 42BYG stepper motor product image

Mechanical Dimensions

Typical Applications

3D Printers
Monitoring Equipment
Medical Machinery
Vending Machines
Engineering Vehicles
CNC Engraving Machines
ATM Machines

Key Specifications

Step Angle	0.9°
Temperature Rise	80℃ max
Ambient Temperature	-20℃ to +50℃
Insulation Resistance	100Ω Min., 500VDC
Dielectric Strength	500VAC for 1 minute
Shaft Radial Play	0.02 Max. (450g-load)
Shaft Axial Play	0.08 Max. (450g-load)
Max. Radial Force	28N (20mm from flange)
Max. Axial Force	10N

Motor Model Specifications

Model No.	Step Angle (°)	Motor Length (mm)	Current/Phase A	Resistance/Phase Ω	Inductance/Phase mH	Holding Torque kg.cm	Leads No.	Detent Torque g.cm	Rotor Inertia g.cm²	Weight Kg
42HM34-1334	0.9	34	1.33	2.1	4.2	2.2	4	200	35	0.22
42HM34-0316	0.9	34	0.31	38.5	33	1.58	6	200	35	0.22
42HM34-0956	0.9	34	0.95	4.2	4	1.58	6	200	35	0.22
42HM40-1684	0.9	40	1.68	1.65	3.2	3.3	4	220	54	0.28
42HM40-0406	0.9	40	0.4	30	30	2.59	6	220	54	0.28
42HM40-1206	0.9	40	1.2	3.3	3.4	2.59	6	220	54	0.28
42HM48-1684	0.9	48	1.68	1.65	4.1	4.4	4	250	68	0.38
42HM48-1206	0.9	48	1.2	3.3	4	3.17	6	250	68	0.38
42HM48-0406	0.9	48	0.4	30	38	3.17	6	250	68	0.38
42HS60-1684	0.9	60	1.68	1.65	5	5.5	4	270	106	0.55

Standard Operating Conditions

No.	Item	Spec.	Unit	Remarks
1	Voltage	13.5	VDC
2	Phase	2	Phase
3	Current	0.5 /Phase	A
4	Exciting mode	Bipolar	----	Refer to drive circuit
5	Step angle	1.8	deg	±7％
6	Rotation	CW/CCW	----

Electrical Characteristics

No.	Item	Spec.	Unit	Test Condition	Remarks
1	Resistance	27±10％	Ω	At 20℃	Each phase
2	Inductance	48±20％	mH	At 20℃ 1000Hz,0.3Vrms	Each phase (Ref.)
3	Holding Torque	5500 min	g.cm
4	Dielectric Strength	1 max.	mA	600VAC,1 second
5	Insulation Resistance	100min.	MΩ	500VDC	Between coil and endbells
6	Insulation class	Coil classB
7	Max Pull-out Pulse Rate	2500 pps or more
8	Max Pull-in Pulse Rate	1900 pps or more

Mechanical Characteristics

No.	Item	Spec.	Test Condition
1	Detent Torque	250g.cm (Ref.)	Each terminal opened, no excitation
2	Appearance	No damage and discoloration which may cause failure at standard operating conditions
3	Construction	Refer to the Outside drawing as a file attached
4	Rotor Inertia	80g.cm2

Environmental Performance

No.	Item	Operating	Transport/Storage
1	Temperature	-25℃～40℃	-30℃～70℃
2	Humidity	20～90%RH Non-condensing	20～90%RH Non-condensing

Torque Performance

Stepper motor torque curve performance graph

Product Details

Detailed view of NEMA17 stepper motor components

The above products are only representative models. We can customize products according to customer requirements, including shaft length and diameter. Our company also provides OEM services.