EMAX E3 1303 Brushless Motor 5000KV 8000KV 11000KV – Emax USA

EMAX E3 1303 Brushless Motor

The EMAX E3 1303 is an ultra-lightweight micro brushless motor engineered for 2"–3.5" FPV builds, toothpick frames, and whoop platforms on 1S to 4S. Built around a 9N12P stator with a Ø17.3 × 15.3mm profile, 2mm bearing shaft, 1.5mm prop adapter shaft, and a compact 9×9mm 4×M2 mounting pattern, the E3 1303 weighs just 6.6g with wire. Three KV options span from 5000KV on 4S with 3.5" props all the way to 11000KV on 1S–2S with 2" props. N52SH arc magnets, NSK precision bearings, Al 7075 anodizing, and single-strand winding.

Key Features

• Stator configuration: 9N12P
• Available KV ratings: 5000KV / 8000KV / 11000KV
• Optimized for 2"–3.5" props on 1S–4S builds
• 2mm bearing shaft, 1.5mm prop adapter shaft
• 9×9mm — 4×M2, Ø9mm bolt circle mounting pattern
• 80mm 24AWG silicone wire leads
• N52SH arc magnets, NSK precision bearings
• Al 7075 anodizing, single-strand winding
• Weight: 6.6g (with wire)

KV / Cell / Propeller Guide

• 5000KV — 2–4S — 2"–3.5" (HQ T76 3-blade, HQ 3.5×2.5 3-blade, HQ DT46 4-blade, GF3520 3-blade) | Peak: 7.73A @ 4S | Max Power: 64.9W
• 8000KV — 2–3S — 2"–3" (HQ 2.2×2 3-blade, GF3016 3-blade, GF3018 2-blade, HQ 3×1.8 3-blade, HQ 3×2 3-blade) | Peak: 14.99A @ 3S | Max Power: 119.9W
• 11000KV — 1–2S — 2"–3" (AVAN 2" 4-blade, HQ 2×2.2 4-blade, HQ 2.2×1.6 3-blade, HQ 2.5×1.9 3-blade, HQ 3×1.8 3-blade, GF3016 3-blade, GF3018 2-blade) | Peak: 21.62A @ 2S | Max Power: 160W

Specifications

• Motor Model: E3 1303
• Framework: 9N12P
• Dimensions: Ø17.3 × 15.3mm
• Stator Height: 3mm
• Weight (with wire): 6.6g
• Bearing Shaft: Ø2mm
• Prop Adapter Shaft: Ø1.5mm
• Lead: 24AWG 80mm silicone wire
• Mounting: 9×9mm — 4×M2, Ø9mm bolt circle
• KV Options: 5000KV / 8000KV / 11000KV
• Idle Current (5000KV @ 8.4V): 0.6A | Internal Resistance: 310mΩ | Peak: 7.73A | Max Power: 64.9W
• Idle Current (8000KV @ 6V): 1.2A | Internal Resistance: 125mΩ | Peak: 14.99A | Max Power: 119.9W
• Idle Current (11000KV @ 5V): 1.1A | Internal Resistance: 77mΩ | Peak: 21.62A | Max Power: 160W

Package Includes

• 5× M2×5mm screws
• 3× M2×6.5mm screws