ALPS Manufacturer of Electronic Components/Parts Catalog

28mm Size Ring Type EC28A Series

Detail

Part number EC28A1550401

Actuator length 15mm
Detent torque 12±7mN·m
Number of detent 30
Number of pulse 15
Minimum order unit (pcs.) 800

Operating temperature range -40℃ to +85℃
Electrical performance Ratings 10mA 5V DC
Output voltage 2.5V max. at 1mA 5V DC (Resistive load)
Insulation resistance 100MΩ min. 250V DC
Voltage proof 300V AC for 1 minute
Mechanical performance Robustness of terminal 5N for 1 minute
Actuator strength Pushing direction 100N
Pulling direction 100N
Vibration 10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of X, Y and Z for 2 hours respectively
Resistance to soldering heat Manual soldering 350℃ max. 3s max.
Dip soldering 260±5℃, 5±1s
Durability Operating life without load 50,000 cycles
Operating life with load
(Load: as ratings)
50,000 cycles
Environmental performance Cold -40±2℃ for 240h
Dry heat 85±2℃ for 240h
Damp heat 60±2℃, 90 to 95%RH for 240h

3D CAD (STEP)  
Certificate of Compliance to RoHS regulations  

Photo

Ring Type Encoder

Dimensions

Ring Type Encoder

Mounting Hole Dimensions

Ring Type Encoder


Packing Specifications

Tray
Number of packages (pcs.) 1 case / Japan 400
1 case / export packing 800
Export package measurements (mm) 366×509×287
Notes are common to this series/models.
  • This site catalog shows only outline specifications. When using the products, please obtain formal specifications for supply.
  • Please place purchase orders per minimum order unit (integer).
  • This products can be used in vehicles.
    Although these products are designed to perform over a wide operating temperature range, please ensure that you receive and read the formal delivery specifications before use.
Inquiries about Products
For more information please contact: Products Information Center.
1-7, Yukigaya-otsukamachi, Ota-ku, Tokyo, 145-8501, Japan
Phone: +81 (3) 5499-8154
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