103F7851-8041

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The 103F7851-8041 from Sanyo Denki's StepSyn Stepping Motor series runs on a DC24V source voltage with an operating current of 1.5A per phase. It features a low-backlash gear, 98 m/s² impact resistance, and a brake with a non-excitation operation system. The motor endures vibrations with a 1.52 mm amplitude.

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Product Description:

The Sanyo Denki manufacturer offers premium Stepper Motor with part number 103F7851-8041 , that contains effective torque and power characteristics. Sanyo Denki expands its product range through continuous delivery of top-quality designs which enables its continued growth.

The 103F7851-8041 stepper motor provides a small current of 1.5 A and features a step angle of 0.72 degrees. The motor is suitable for use between a temperature limitation from -20°C to 70°C with a moisture limit of 35% to 85% RH at non-condensing conditions. It has a conservation humidity of 10% to 90% RH which aids in ensuring stable working in environmental situations. This motor has been tested for vibration resistance under conditions where the frequency range is from 10 to 55 Hz with vibration applied along the X, Y and Z axes for 2 hours at 0.5G. The StepSyn stepper series motor also gives impact resistance by making it suitable for use in mechanical shock-occurring applications. The motor works with a DC 500 V between the power input terminal and the cabinet and demonstrates an insulation resistance of a minimum of 10M ohms.

This 103F7851-8041 stepper motor holds a tiny mass of 0.4 kg by making it highly durable. It features multiple input signals by including a command pulse input signal, a power down input signal and an energization system selection input signal that offers numerous options. It is connected to many kinds of control systems and powers at a DC voltage of 24V ±10%. The motor is the perfect option for sturdy and constant motion regulation in several industrial automation as its performance is assured within the given environmental constraints.

Allowable Torque (with Rubber Coupling)
0.94×10-4kg·m2 [5.14 oz·in2]
Brake Operation
Non-excitation operation system
Gear Type
Low-backlash gear
Holding Torque
N·m(oz·in)
Impact Resistance
98 m/s2 acceleration
Insulation Resistance
100MΩ MIN. against DC500V
Mass (weight)
kg(lbs)
No-load Maximum Starting Pulse Rate
Full-step, Half-step
Operating Current
1.5A/phase
Operating Temperature Range
-10 to +50˚C
Rotor Inertia
×10-4kg·m2(oz·in2)
Source Voltage
DC24V
Vibration Resistance
1.52 mm amplitude, frequency 10 to 55 Hz
Withstand Voltage
AC1000V for one minute

Frequently Asked Questions about 103F7851-8041:

Q: What is the insulation resistance of the 103F7851-8041 motor?

A: The insulation resistance of the 103F7851-8041 motor is a minimum of 10MΩ when tested at DC 500V between the power input terminal and the cabinet.

Q: What input signals does the 103F7851-8041 motor support?

A: The motor supports multiple input signals, including command pulse input, power-down input, and energization system selection input signals for flexible control.

Q: What is the weight of the 103F7851-8041 stepper motor?

A: The 103F7851-8041 motor weighs approximately 0.4 kg (0.88 lbs), making it compact and suitable for applications with weight constraints.

Q: What voltage does the 103F7851-8041 motor operate at?

A: The 103F7851-8041 stepper motor operates at a DC voltage of 24V ±10%, providing reliable power to ensure continuous operation.

Q: What is the withstand voltage of the 103F7851-8041 motor?

A: The 103F7851-8041 motor is designed to withstand a voltage of 500V DC, ensuring safe operation in electrical systems.


Internal Product Review

  • ‘‘The 103F7851-8041 from the StepSyn stepper motor series by Sanyo Denki operates with a current rating of 1.5A offering consistent functionality with temperatures from -20°C to 70°C. The motor's low weight and vibration resistance make it an ideal choice for a wide range of applications.’’

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