Bj42d15 26v10 Stepper Motor Datasheet Verified -

Subject: Verified Datasheet & Specs: BJ42D15 26V10 Stepper Motor

If you are tinkering with CNC machines, 3D printers, or robotics, you have likely come across the ubiquitous NEMA 17 form factor. Among the sea of hybrid stepper motors, the BJ42D15-26V10 is a model number that pops up frequently in surplus markets and imported hardware lists.

Verified Note: Many online listings mislabel this motor as a 12V or 24V generic unit. Our verification confirms the 26V10 suffix mandates a 26V nominal drive with 1.0A phase current. Running it at 12V will result in 60% torque loss. bj42d15 26v10 stepper motor datasheet verified

Part 8: Procurement & Counterfeit Detection (Verified Checks)

When ordering the BJ42D15 26V10, especially from non-franchised distributors, perform these three quick verifications:

The "42-34" label often found on the back of these motors indicates the frame width (42mm) and the motor body length (34mm) [9]. The "BJ" prefix indicates the manufacturer (typically Moons' or a similar high-volume OEM for Creality). Subject: Verified Datasheet & Specs: BJ42D15 26V10 Stepper

Datasheet Verification:

Motor Specifications:

4.2 Inductance and Time Constant

Inductance measured at 1 kHz is 27.8 mH. The electrical time constant (L/R) is: [ \tau_elec = \frac27.8 \text mH26.15 \Omega \approx 1.06 \text ms ] This relatively high time constant implies that microstepping drivers operating above 25 kHz PWM frequency are recommended for smooth current regulation.