4.5 V motor A17B-33

coreless

Overview The A17B series coreless motors feature a 17.4 mm outer diameter with multiple length and voltage variants. Models are optimized for different supply voltages, lengths and performance targets to suit compact rotary actuator and precision drive applications. The A17B-43 is highlighted here with detailed specifications and media assets available on the product page.

Product series - A17B (high-level data)
Representative variants include: A17B-43 — 17.4×15.8 mm, 3.7 V, Rterm 1.50 Ω, no-load 16,140 rpm, start current 2,467 mA, start torque 5.26 mN·m, max eff. 78.5%, 2.22 W; A17B-44 — 17.4×18.4 mm, 12 V, Rterm 7.8 Ω, no-load 17,900 rpm, 4.52 W; A17B-41 — 17.4×18.4 mm, 18 V, Rterm 13.4 Ω, no-load 22,300 rpm, 5.89 W. Full range: nominal voltages ~3.7 V to 18 V, terminal resistances ~0.30–13.4 Ω, no-load speeds ~6,000 to >22,000 rpm.

Product details - A17B-43

• Model name: A17B-43
• Outer diameter: 17.4 mm
• Length: 15.8 mm
• Applied (nominal) voltage: 3.7 V
• Terminal resistance: 1.50 Ω
• No-load rotation: 16,140 rpm
• No-load current: 32 mA
• Startup current: 2,467 mA
• Torque (startup): 5.26 mN·m
• Maximum efficiency: 78.5 %
• Maximum output: 2.22 W
• Customizable items noted on page: Lead pin, Lead wire, Grounding terminal

Gallery / Media (available on page)

• Main product image and multiple gallery images for A17B-43 (product photos and thumbnails)
• Product video (motion / demo) available for the A17B series

Technical specifications

• Series: A17B (coreless motors)
• Outer diameter (typical): 17.4 mm
• Available lengths: typical lengths shown 15.8 mm and 18.4 mm across variants
• Applied voltages: multiple variants from ~3.7 V up to ~18 V
• Terminal resistance range: ~0.30 Ω to ~13.4 Ω dependent on model
• No-load speeds: examples from ~6,000 to >22,000 rpm across models
• Common customizable options: Lead pin, Lead wire, Grounding terminal (model-dependent)