Motor Datasheet Exclusive [exclusive] — Bj42d15 26v10 Stepper
| Parameter | Value | Condition / Note | | :--- | :--- | :--- | | | 2 | Bipolar | | Step Angle | 1.8° ± 5% | 200 steps/revolution | | Voltage Rating | 26 VDC | Nominal | | Current Rating (per phase) | 0.5 A (Rated) / 0.8 A (Max) | Based on 10Ω winding | | Phase Resistance | 10 Ω ± 10% @ 20°C | High resistance = high efficiency | | Phase Inductance | 12 mH ± 20% | Typical for 26V operation | | Insulation Class | B (130°C) | F-class available on custom order | | Dielectric Strength | 500 VAC / 1 minute | |
BJ42D15-26V10 Stepper Motor Datasheet Exclusive: Specifications, VREF Tuning, and 3D Printer Applications The BJ42D15-26V10 stepper motor
Often used for X, Y, or Z-axis movement in desktop printers like the Creality Ender series . bj42d15 26v10 stepper motor datasheet exclusive
While some online communities erroneously assume these motors can handle 1.5 Amps, official specifications for the BJ42 series indicate a much lower rated current of
(often referenced interchangeably with similar "42-26" models) include: Step Angle: 1.8 raised to the composed with power (standard 200 steps per full rotation). Rated Current: 0.84 Amps per phase. Motor Frame Size: NEMA 17 (approximately 42mm x 42mm). Body Length: 26mm (indicated by the "-26" in the part numbering). Phase Count: 2-Phase bipolar. Key Performance Insights Current Limit Warning: | Parameter | Value | Condition / Note
The Texas Instruments DRV8825 configured with a 1.0A current limit (Vref = 0.5V) or the Allegro A4988 in full-step mode without current chopping.
Finding reliable technical data for factory stock components can be surprisingly difficult. 3D printer manufacturers frequently source custom-labeled components directly from industrial suppliers like [Keli Motor Group](https://www.kelimotorgroup.com/stepper-motors/printer-hb-bj42d stepper-motor.html). The BJ42D15-26V10 Go to product viewer dialog for this item. Motor Frame Size: NEMA 17 (approximately 42mm x 42mm)
The BJ42D15-26V10 Go to product viewer dialog for this item.
No. The 26V10 variant has a higher winding resistance. Using a 24V08 driver would under-current this motor, leading to missed steps.
Unlike standard motors, the 26V input allows this unit to maintain 80% of its holding torque up to 300 pulses per second (PPS). Here is the exclusive performance curve summary: