• Changzhou Hetai Motor And Electric Appliance Co., Ltd.
    Rod S****
    I purchased the 3-pack of the smaller steppers for my current ender 3 pro project. For my applications, they work perfectly. It's a great deal for quality motors, and I'm going to purchase another 10 packs.
  • Changzhou Hetai Motor And Electric Appliance Co., Ltd.
    Sam N***
    These are great motors and they are very strong. They are operating quietly, and also need them to release their hold every time a move is complete.
  • Changzhou Hetai Motor And Electric Appliance Co., Ltd.
    Jim S**
    Please develop more low noise gearbox and with better prices, so we can sell your products to more clients and gain larger markets. Thank you.
Contact Person : Nora
Whatsapp : +8618661153149

1.7a 42BYGH Nema 17 Integrated Stepper Motor 2 Phase 4 Wire 1.8 Degree

Place of Origin China
Brand Name Hetai
Certification CE ROHS ISO
Model Number 42BYGH
Minimum Order Quantity 50
Price USD
Packaging Details Carton with Inner Foam Box, Pallet
Delivery Time 28-31
Payment Terms L/C, D/P, T/T, Western Union, MoneyGram
Supply Ability 10000 pcs/month

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Product Details
Product Name Hybrid Stepping Motor Step Angle 1.8 °
Step Accuracy ± 5% Temperature Rise 80 ℃ Max
Ambient Temperature -20℃~+50℃ Insulation Resistance 100MΩ Min.500VC DC
Dielectric Strength 500VAC 1 Minute MAX Radial Force 75N (10mm From Front Flange)
MAX Axial Force 15N
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stepper motor with integrated controller

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Product Description

42BYGH 2 phase 1.8 degree Nema 17 Integrated Stepper Motor


The ADVANTAGE of Step motor:

Advantages of step motors are low cost, high reliability, high torque at low speeds, and simple, rugged construction that operates in almost any environment. The main disadvantage in using a stepper motor is the resonance effect often exhibited at low speeds and decreasing torque with increasing speed.


42BYGH series motors are all able to add the integrated driver.


Motor Electrical Specification:


42BYGH208-52A 1.8 4 12 0.4 30 42 2500 34 0.20
42BYGH243-03 1.8 4 2.6 1 2.6 3.2 1800 34 0.20
42BYGH622-28A 1.8 4 4.8 1 4.8 6.0 2900 40 0.24
42BYGH613-68A 1.8 4 2.5 1.7 1.5 2.5 3500 40 0.24
42BYGH705-07 1.8 4 12 0.3 40 80 4000 44 0.30
42BYGH721A 1.8 6 10 0.25 40 36 2000 44 0.30
42BYGH801-36 1.8 6 12 0.4 30 22 3800 48 0.34
42BYGH872A 1.8 4 2.8 1.7 1.65 2.8 4500 48 0.34
42BYGH910-02 1.8 4 5.1 1.5 3.4 8.0 8500 60 0.49
42BYGH905-13 1.8 4 3.15 1.5 2.1 5.0 6800 60 0.49



***Note: The products can be customized by your request. Please contact us for more details.

1.7a 42BYGH Nema 17 Integrated Stepper Motor 2 Phase 4 Wire 1.8 Degree 0



1.7a 42BYGH Nema 17 Integrated Stepper Motor 2 Phase 4 Wire 1.8 Degree 1


Driver Manual


HTD421 2 phase Parallel interface driver 


Product Feature

Miniature design, convenient installation, can be integrated with 42 stepper motors

- Heat-dissipated cast aluminum enclosed housing

- Automatic half current when stopped running

- Parallel interface high-speed photoelectric isolation, compatible with 3.3-5V and 12-24V logic levels 2A continuously adjustable

- Microstep 1/2/4/8/16/32 optional subdivision


Product Parameter


POWER SUPPLY DC 12V-DC 35V/2A, DC 24V is recommended
Parallel interface VCC Power supply. DIP switch selection 3.3V-5V or 12V-24V
DIR 0V or VCC. Current:8mA@3.3V/8mA@12V/15mA@5V/18mA@24V

0V or VCC. Current:8mA@3.3V/8mA@12V/15mA@5V/18mA@24V

Frequency 0-20KHz


0V or VCC. Current:8mA@3.3V/8mA@12V/15mA@5V/18mA@24V

Frequency 0-20KHz




Output Motor current Peak 2A (single-phase maximum), actual use 0-2A adjustable
Drive Method Constant current PWM control
Drive Subdivision DIP switch setting selection 1, 2, 4, 8, 16, 32
Insulation resistance > 100M- at normal temperature and pressure
Dielectric strength 0.5KV, 1 minute at normal temperature and pressure
Protection Input reverse connection, overload, drive overheat, drive overcurrent


The driver has the same hole position and size as the 42 stepper motor.

1.7a 42BYGH Nema 17 Integrated Stepper Motor 2 Phase 4 Wire 1.8 Degree 2


Product Advantage


The advantages of integrated motors include ease of layout, reduced wiring complexity, faster system setup and construction, and motor driver compatibility. In addition, an integrated unit with an integrated control system is also provided.


The benefits of the integrated motor and drive units include ease of implementation, reduced wiring complexity, faster setup and construction of a system, and guaranteed motor-drive compatibility. Additionally, integrated units that incorporate systems on a chip (SoC) are also available.