Nema 17 Stepper Motor Bipolar 0.9 Deg 11Ncm (15.6oz.in) 1.2A 3.6V 42x42x21mm 4 Wires
This bipolar Nema 17 stepper motor with step angle 0.9deg and size 42x42x21mm. It has 4 wires, each phase draws current 1.2.0A, with holding torque 11Ncm (15.6oz.in).
Electrical Specification
Manufacturer Part Number: 17HM08-1204S
Motor Type: Bipolar Stepper
Step Angle: 0.9 deg
Holding Torque: 11Ncm(15.6oz.in)
Rated Current/phase: 1.2A
Voltage: 3.6V
Phase Resistance: 3.0ohms
Inductance : 2.2mH ± 20%(1KHz)
Physical Specification
Frame Size: 42 x 42mm
Body Length: 21mm
Shaft Diameter: Φ5mm
Shaft Length: 17mm
Number of Leads: 4
Lead Length: 300mm
Weight : 150g
Connection
|
A+
|
A-
|
B+
|
B-
|
|
Black
|
Green
|
Red
|
Blue
|
Resources
Full Datasheet: 17HM08-1204S.pdf
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| Electrical Specification | |
|---|---|
| Bipolar/Unipolar | Bipolar |
| Holding Torque (Ncm) | 11 |
| Holding Torque (oz.in) | 15.6 |
| Inductance(mH) | 3 |
| Phase Resistance(ohm) | 3 |
| Rated Current (A) | 1.2 |
| Step Angle(°) | 0.9 |
| Physical Specification | |
| Body Length(mm) | 21 |
| Frame Size(mm) | 42x42 |
| Single Shaft/Dual Shaft | Single Shaft |
| Shaft Type | O |
| Shaft Diameter(mm) | 5 |
| Shaft Length(mm) | 17 |
| No. of Lead | 4 |
| Lead Length(mm) | 300 |
| Weight(g) | 150 |
- Connectors: Molex, Harwin, Tyco/AMP, JST etc.
- Lead wires & cables: Special lengths, Protective hose
- Shaft: Round, D-Cut, Cross drilled, Key-Way, Thread or Hollow
- Winding: Resistance, Inductance, Rated Current, etc.
R. Johnson – 07 Feb 2017
Great replacement for stock extruder stepper in most prusa style printers. Reduces x-axis weight while keeping direct drive near hotend.
J here – 17 Jun 2016
Works great as an extruder driver for my 3d printer. The size is perfect and, with proper gearing, the torque is adequate. I attached this to an E3D Titan Extruder on my modified Fusematic printer from MakersToolWorks. The shaft is a little short in this application as the filament tensioner hangs off the end by about 2mm but it is working just fine so far. The lighter weight of this allowed me to convert my printer from a bowden drive to a direct drive and I'm achieving much better prints. I lost a little print volume due to the modification for my specific printer but it is still great.
