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SM138

SM138
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SM138

Product catalog summary
Technical Specifications:
  • Motor Step Angle: 7.5°
  • Number of Phases: 2
  • Insulation Resistance: 100 MΩ
  • Insulation Class: E
  • Coil Resistance/Induction: 7.5Ω/10mH
  • Maximum Temperature (Motor Housing): 60 °C
  • Recommended Temperature (Motor Housing): 35-45 °C
  • Nominal Voltage: 12V
  • Driver Voltage Range: 3.75 - 36V
  • Maximum Axial/Radial Shaft Load: 5N/20N
  • Maximum Allowed Torque: 50 Ncm
  • Maximum Current (Continuous): 250 mA
  • Maximum Current (Intermittent): 500 mA
  • Operating Temperature: -20 °C to +65 °C
  • Approximate Weight: 90g
Motor Characteristics:
  • Type: Full Step, Bipolar
  • Insulation Voltage: 500Vdc
Performance Data:
  • Motor Dynamic Torque Curves: Measured at 24V/0.5A with a bipolar constant current driver (AMIS 30522) in full step mode.
  • Torque vs RPM: Graphs provided show torque performance across different RPMs.
Mechanical Dimensions:
  • Detailed mechanical dimensions are provided for the SM138 series, including shaft and housing specifications.
Connection Details:
  • Cable: AWG26 UL1061
  • Connector Housing: JST PHR-4 (white)
  • Phase Sequence: CCW and CW excitation sequences are detailed with corresponding pin and color codes.
Additional Information:
  • Contact details and company information for Micromotors are provided.
See more

Catalog excerpts

SM138-1

SM138 STEP MOTOR 35S48B07 with 138 gearbox • High Torque • Low noise • Small size TECHNICAL DATA Motor Step Angle full step Nominal voltage Driver voltage range Max axial/radial shaft load Insulation resistance Insulation class Coil Resistance/Induction Rec. temp (motor housing) Operating temperature Approx. weight PART NUMBER Max temp. (motor housing) Motor Dynamic Torque Curves 24V/0,5A Conditions: Bi-polar Constant Current Driver Driver: AMIS 30522 Mode: Full Step Pull in torque Viale Piave, 80/82 - 23878 VERDERIO (LC) ITALY Tel. 039.510611-499 - email: [email protected] www.mi

 Open the catalog to page 1
SM138-2

Mechanical dimensions SEQUENCE EXCITATION CCW PIN COLOUR (FROM OUTPUT SHAFT SIDE) Cable AWG26 UL1061 Connector housing: JST PHR-4 (white) 1234 Viale Piave, 80/82 - 23878 VERDERIO (LC) ITALY Tel. 039.510611-499 - email: [email protected] www.micromotors.eu

 Open the catalog to page 2

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  11. BS138F.4/12
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  15. STEPPER GEARMOTOR DRIVER MM003AT/21-22
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