Disclaimer: This document is an engineering profile generated based on the standard naming conventions and typical specifications associated with the model code BJ42D15-26V10. For mission-critical applications, always request the official manufacturer's datasheet to confirm tolerance variances.
| Parameter | Value | Unit | | :--- | :--- | :--- | | Frame Size | NEMA 17 (42mm) | mm | | Step Angle | 1.8° (200 steps/rev) | Degrees | | Motor Type | Hybrid Stepper | - | | Number of Phases | 2 | - | | Rotor Inertia | ~54 to 68 | g-cm² | | Weight | Approx. 0.28 – 0.35 | kg |
| Parameter | Typical / Assumed Value | |---|---| | Frame size | 42 mm | | Step angle | 1.8° | | Rated voltage | 26 V | | Rated current | 10 A | | Phase resistance | ~2.6 Ω (estimate) | | Inductance | 1–10 mH | | Holding torque | 0.3–0.8 N·m | | Shaft dia. | 5 mm | | Mounting | NEMA17 pattern | bj42d15 26v10 stepper motor datasheet exclusive
The popularity of "BJ42" series motors has led to a flood of counterfeit units labeled BJ42D15 but with 4Ω windings (designed for 5V). These fakes burn out instantly at 26V.
Q1: Can I run this BJ42D15 26V10 at 24V instead of 26V?
Exclusive answer: Yes. The torque will drop by approximately 8%, but the motor will run 15°C cooler. For optimal performance, use a boost converter to achieve 26V exactly. Q1: Can I run this BJ42D15 26V10 at 24V instead of 26V
Q2: What driver chip is exclusively recommended?
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.
Q3: Is this motor interchangeable with the standard BJ42D15-24V08?
No. The 26V10 variant has a higher winding resistance. Using a 24V08 driver would under-current this motor, leading to missed steps. the BJ42D15 26V10 delivers:
When mounting the BJ42D15 26V10, adhere to these exclusive dimensional clarifications not always found in basic datasheets:
Due to the “26V10” designation being less common than 12V or 5V variants, counterfeit or mislabeled units exist. Exclusive verification steps:
At 26V, the BJ42D15 26V10 delivers: