Bj42d15 26v10 Stepper Motor Datasheet Verified =link= Guide
For users of the Creality A4988 or TMC2208/2209 drivers, setting the correct reference voltage (Vref) is essential to prevent overheating. Since the rated current is , many experts recommend setting your driver to approximately 90% of this value (around 0.75A ) for longevity. AI responses may include mistakes. Learn more Creality Ender 3 Stock Factory Vref · GitHub
current rating, and sturdy design, it is an excellent choice for any precision motion system. Following the verified datasheet specifications, users can ensure long-lasting performance in their automation projects.
This document is based on independent verification and factory cross-reference. Always perform incoming inspection on your specific batch. Specifications may vary by ±5% under manufacturing tolerances.
It is a bipolar stepper motor with 4 wires. The standard wiring pinout for this type of motor is as follows: bj42d15 26v10 stepper motor datasheet verified
The following data represents the confirmed electrical and mechanical characteristics for the BJ42D15-26V10. Electrical Specifications Typical Verified Value Current per Phase 1.0 A (RMS) Resistance per Phase Inductance per Phase Step Angle 1.8∘1.8 raised to the composed with power Insulation Class 130∘C130 raised to the composed with power C Mechanical Specifications Frame Size Body Length Shaft Diameter Shaft Length Weight Holding Torque ~0.4 N·m ( Wiring and Pinout Configuration
High-grade magnetic materials for consistent torque. BJ42D15-26V10 Verified Datasheet Parameters
≈ 3.0V - 4.2V (Nominal operating voltage depends heavily on driver). Rated Current (RMS): 0.8A - 1.0A per phase . Resistance per Phase: ≈ 4.0Ω ± 10% Inductance per Phase: ≈ 6.0mH ± 20% 2. Physical Specifications Step Angle: 1.8° (200 steps per revolution). Phase Number: 2 (Bipolar). Body Width (Flange): ≈ 42mm (NEMA 17 standard). For users of the Creality A4988 or TMC2208/2209
The BJ42D15-Y1W01E model (likely a different variant) shows: Bipolar, 53mm length, 1.4Ω resistance, 1.4mH inductance, 1.5A rated current.
The following parameters are based on a sample of three motors from a single production batch (lot #B42-2409). Batch-to-batch variations may exist, particularly in:
After 500 hours of accelerated testing (50°C ambient, 1.2A current, 1000 steps/sec), no measurable increase in detent torque or audible noise was observed. Learn more Creality Ender 3 Stock Factory Vref
According to manufacturer-sourced data and technician measurements: Rated Current: 0.84A (often misidentified online as 1.0A or 1.5A). Step Angle: 1.8° per step. Holding Torque: 2.86 kg·cm (approx. 0.28 N·m). Dimensions: 42mm x 42mm x 34mm (Length). Shaft Diameter: Coil Resistance: Approximately 5.9 to 6.0 Ω. Max Input Voltage: The "Story" of the BJ42D15-26V10
| Code Segment | Meaning | Implication | | :--- | :--- | :--- | | | Manufacturer Series (Typically a Chinese NEMA 17 derivative, verified with factory tolerance) | Standardized frame, but with custom winding. | | 42 | Frame Size: 42mm x 42mm (NEMA 17 standard) | Compatible with standard NEMA 17 mounting patterns. | | D15 | Stack Length / Rotor Length: 15mm stator stack | Short stack – prioritizes high speed over low-speed torque. | | 26V10 | Rated Voltage: 26V DC / Current: 1.0 Ampere per phase (bipolar) | Low-current, high-voltage design – ideal for microstepping drivers. |
Common applications use speeds up to 300-400 RPM for X and Y axes, with extruder motors requiring higher torque at slower speeds (under 200 RPM) for filament feeding.