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NEMA 16 Bipolar 1.8deg 0.13Nm (18.1oz.in) 0.5A 9V 39x39x20mm 4 Wires Stepper Motor

NEMA 16 Bipolar 1.8deg 0.13Nm (18.1oz.in) 0.5A 9V 39x39x20mm 4 Wires Stepper Motor

Manufacturer Part Number: 39H020H-0504
Frame Size: 39x39mm
Motor Type: Bipolar Stepper
Step Angle: 1.8 deg
Holding Torque: 0.13Nm(18.1oz.in)
Rated Current/phase: 0.5A
Voltage: 9.0V
Phase Resistance: 18ohms
Inductance: 20mH ± 20%(1KHz)
Body Length: 20mm

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Product Introduction

Technical Parameter

Item

Specifications

Step Angle Accuracy

±5%

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80K Max.

Ambient Temperature

-20℃~+50℃

Insulation Resistance

100MΩMin.@ 500VDC

Dielectric strength

One minute@500VAC∙5mA Max.

Shaft Radial Play

0.06Max.@450g

Shaft Axial Play

0.08Max.@450g

 

Technical Specification

Model No.

Polar

Rated
Voltage

Current/
Phase

Resistance/
Phase

Inductance/
Phase

Holding
Torque

# of
Leads

Rotor
inertia

Weight

Length
   

V

A

Ω

mH

oz-in

kgf · cm

  

g∙ cm2

kg

mm

39H020H-0504

Bipolar

9

0.5

18

20

18.1

1.3

   4

11

0.12

20

 

 

30

 

Pull Out Torque Curve

30

FAQ

Q: Do your motors have quality check before delivery?

A: Sure, we will test the motor before delivery to ensure that there are no quality problems before shipping.

 

Q: Where is your factory located?

A: Our factory is located in Changzhou City, Jiangsu Province, China.

 

Q: How do I connect and control a stepper motor with a microcontroller?

A: Stepper motors can be connected to a microcontroller using appropriate driver circuits, such as stepper motor driver ICs or dedicated motor driver modules.

 

Q: What are the common problems faced when using stepper motors?

A: Common problems include missed steps, resonance, overheating, inadequate torque, and electrical noise interference.

 

Q: How do I minimize noise and vibrations in a stepper motor system?

A: Noise and vibrations can be minimized by using micro-stepping, proper mechanical coupling and alignment, dampening techniques, and adequate motor and driver selection.

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