Datasheet - Bj42d15 26v10 Stepper Motor

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VREF=Irun×8×Rsense=0.672×8×0.1≈0.54VVREF equals cap I sub run end-sub cross 8 cross cap R sub sense end-sub equals 0.672 cross 8 cross 0.1 is approximately equal to 0.54 V

The diagram warped. The standard bipolar winding diagram re-drew itself into a toroidal knot—a Möbius coil. The pinouts changed. Instead of A+, A-, B+, B-, the labels shifted to: . Below the diagram, a single line of text appeared:

How to choose a power supply for my stepper motor? - StepperOnline bj42d15 26v10 stepper motor datasheet

The standardized NEMA 17 form factor allows this motor to drop into most commercial hardware frames. 42.3 mm Mounting Hole Distance: 31.0 mm 31.0 mm center-to-center Thread Type: M3 tapped holes (typically 4.5 mm depth limit)

sense resistor, you would tune the Vref potentiometer to approximately to supply a safe running current. Applications

The BJ42D15-26V10 is a versatile, compact bipolar stepper characterized by 1.8° stepping, a 26 V rating suitable for current-regulated drivers, and moderate 1.0 A phase current. It’s a practical choice where dependable, precise open-loop motion is needed—provided you pair it with a proper current-regulated microstepping driver, respect thermal limits, and attend to mechanical integration details. She clicked it

Thanks to its balanced power-to-weight ratio, the BJ42D15-26V10 is highly versatile:

The is part of the Keli Motor BJ42D series. It is a hybrid stepping motor, meaning it combines permanent magnet and variable reluctance technologies to provide high torque, accurate positioning, and fine step angles. The "42" indicates a 42mm x 42mm frame size (NEMA 17), while the "26" usually indicates a specific winding, torque, or body length profile (approximately 26mm–34mm) optimized for specific printer applications. 2. Technical Specifications (Datasheet Summary)

Stepper motors do not have a fixed "operating voltage" in the same way a DC motor does; rather, they have a rated current. The "26V10" model is designed for a 26V DC bus; however, typical 3D printer motherboards (24V) or driver boards (e.g., TMC2208) can operate this motor effectively within a range of 12V to 36V, provided the current limit is correctly configured. Unlike brushed DC motors that must match voltage, this stepper uses a chopper driver to regulate current independently of the supply rail. The pinouts changed

The standard 4-wire connection for a bipolar stepper motor like this follows the A+/A- and B+/B- pairing scheme. Two windings are independent and must not be crossed. Verify your specific motor's wire color if it differs:

For quiet operation, use a driver with StealthChop technology.

Thanks to its lightweight body and precise torque profile, the BJ42D15-26V10 is widely used in:

Note: Wire color configurations can vary by factory supplier. Always verify winding pairs using a multimeter before powering your driver. Identifying the Pairs with a Multimeter

Performs exceptionally well with microstepping resolutions of 1/16 and 1/32, which greatly reduces resonance vibrations.