Incremental rotary encoder EI22A-E9

magneticshaft-mounteddigital output

Product
EI22A-E9 is a magnetic incremental encoder in a compact Φ22 mm housing with bushing mount and PCB solder pads. Resolutions up to 4096 PPR (up to 16384 on request). Push-pull output, supply 3.3–5 V. Suitable for motor feedback, speed and position measurement in industrial automation. Standard model: EI22A-E9-W4096-P.

Key features

• Magnetic incremental encoder
• Any PPR up to 4096 available (higher on request)
• PCB solder pads for compact mounting
• Bushing mount
• Housing diameter: Φ22 mm
• Compact footprint for space-constrained applications

Mechanical specifications

• Protection rating: IP40
• Operating torque: ≤5 mN·m
• Max. rotational speed: 1500 rpm
• Life expectancy: 50,000,000 cycles
• Mass: approx. 12 g
• Housing material: Plastic
• Shaft material: Stainless steel

Environmental specifications

• Operating temperature range: -30℃ to +85℃
• Storage temperature range: -30℃ to +85℃

Electrical specifications

• Standard model: EI22A-E9-W4096-P
• Supply voltage: 3.3 V–5 V
• Output high level: 2.9–5 V
• Output low level: ≤0.5 V
• Output form: Push-pull
• Number of output pulses: 4096 PPR (up to 16384 available)
• Output propagation delay: ≤10 μs
• Current consumption (no-load): ≤30 mA
• Insulation resistance: ≥1000 MΩ (500 V.D.C)
• Dielectric strength: 1 min (500 V.A.C)

Special specifications available

• Custom shaft: special length, diameter or machining (slotting, flat, drilling)
• Connector options: custom connector assemblies available

Technical specifications (summary)

• Model: EI22A-E9 (standard: EI22A-E9-W4096-P)
• Housing diameter: Φ22 mm
• Resolution: up to 4096 PPR (standard 4096)
• Supply voltage: 3.3 V–5 V
• Output: Push-pull, High 2.9–5 V, Low ≤0.5 V
• Max. speed: 1500 rpm
• Operating torque: ≤5 mN·m
• Protection: IP40
• Operating temperature: -30℃ to +85℃
• Mass: approx. 12 g
• Housing: Plastic; Shaft: Stainless steel