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Bourns EMS22Q51C28LS4 Non-Contacting Incremental Encoder

The Bourns EMS22Q51-C28-LS4 is a robust, non-contacting incremental encoder designed for demanding industrial environments. Its magnetic technology ensures long life and high repeatability, while the quadrature output and resolution options provide flexibility in motion control systems. The encoder's compact size and compatibility with both CMOS and TTL logic make it a versatile choice for applications such as robotics, automation, and medical equipment. It offers a wide operating temperature range and sealed options for harsh environments.

Authorized Distributors
Source:DigiKey
Part No:EMS22Q51-C28-LS4
Stock:59
Inv Date:05-28-2026
Price: Unit price: $59.02
Buy/RFQ:
Part No:EMS22Q51-C28-LS4
Stock:46
Inv Date:05-29-2026
Price: Unit price: $52.16
Buy/RFQ:
Part No:EMS22Q51-C28-LS4
Stock:42
Inv Date:05-28-2026
Price: Unit price: $36.57
Buy/RFQ:
Part No:EMS22Q51-C28-LS4
Stock:42
Inv Date:05-28-2026
Price: Unit price: $36.57
Buy/RFQ:

Bourns EMS22Q51C28LS4 Non-Contacting Incremental Encoder Specifications:

  • Resolution: 32-256 PPR
  • Supply Voltage: 3.3 and 5 VDC
  • Insulation Resistance: 1,000 megohms
  • Electrical Travel: Continuous
  • Supply Current: 20 mA maximum
  • Output Voltage Low Level: Vss+0.4 V maximum
  • Output Voltage High Level: Vdd-0.5 V minimum
  • Output Current (4.5 VDC): 4 mA maximum
  • Output Current (3.0 VDC): 2 mA maximum
  • Rise/Fall Time: 500 ns maximum
  • Shaft RPM: 10,000 rpm maximum
  • Hysteresis: 0.7 °
  • Accuracy Nominal: +/-0.7 °
  • Accuracy Worst Case: +/-1.4 °
  • Output Transition Noise: 0.12 ° RMS max.
  • Operating Temperature Range: -40 ºC to +125 ºC
  • Storage Temperature Range: -55 °C to +125 °C
  • Humidity: MIL-STD-202, Method 103B, Condition B
  • Vibration: 15 G
  • Shock: 50 G
  • Rotational Life (Bushing): 100,000,000 revolutions
  • Rotational Life (T & W Bushings): 50,000,000 revolutions
  • IP Rating: IP 65
  • Mechanical Angle: 360 °
  • Continuous Torque Starting: 43 ±21 g-cm
  • Running Torque: 29 ±14 g-cm
  • Mounting Torque: 203 N-cm
  • Shaft End Play: 0.30 mm
  • Shaft Radial Play: 0.12 mm
  • Weight: 11 gms.
  • Terminals: Axial, radial or ribbon cable
  • Soldering Condition (Manual): 96.5Sn/3.0Ag/0.5Cu, 370 °C max.
  • Soldering Condition (Wave): 96.5Sn/3.0Ag/0.5Cu, 260 °C max.

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Frequently Asked Questions

Where can I buy Bourns EMS22Q51C28LS4?

You can click on the BUY or RFQ button to purchase EMS22Q51C28LS4 from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part EMS22Q51C28LS4?

You can download the EMS22Q51C28LS4 datasheet or visit the Bourns website for support.

Who is the manufacturer of EMS22Q51C28LS4?

Bourns

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