ALPS Manufacturer of Electronic Components/Parts Catalog

20mm Size Metal Shaft Encoder EC20A Series

Detail

Model No. EC20A1824401

Actuator configuration Flat
Actuator length 30mm
Detent torque 40±20mN·m
Number of detent 18
Number of pulse 18
Operating direction Vertical
Travel of push-on switch 1.5mm
Minimum packing unit (pcs.) 400

Operating temperature range -30℃ to +80℃
Maximum operating current (Resistive load) 0.5mA
Electrical performance Ratings 0.5mA 5V DC
Output signal Output of A and B signals, proportionate to phase difference
Insulation resistance 10MΩ min. 50V DC
Voltage proof 50V AC for 1 minute
Mechanical performance Push-pull strength 100N
Resistance to soldering heat Manual soldering 350℃ max. 3s max.
Dip soldering 260±5℃, 5±1s
Durability Rotational life 30,000 cycles
Environmental performance Cold -40±3℃ for 240h
Dry heat 85±3℃ for 240h
Damp heat 60±2℃, 90 to 95%RH for 240h
Push-on switch specifications Circuit / number of contact Single pole and single throw (Push-on)
Travel 1.5±0.5mm
Operating force 4±2N
Ratational torque 0.5A 16V DC (1mA 16V DC min. ratings)
Contact resistance 100mΩ for initial period;
200mΩ after rotational life
Operating life 20,000 times min.

Photo

Encoders

Dimensions

Encoders

Mounting Hole Dimensions

Encoders

 
Viewed from Mounting Face.

Output Wave

Encoders

Sliding Noise

Encoders

 
At R=5kΩ Chattering: 8ms max. Bounce: 5ms max.
Notes are common to this series/models.
  • Also available in "without push switch" types. Please contact us for details.
  • Potentiometer types and absolute encoder types also available without a push switch. Please contact us for details.
  • Place your purchase order in N minimum package units (N: integer).
  • Ask us for the export packaging unit.
  • 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-otsuka-machi, Ota-ku, Tokyo, 145-8501, Japan
Phone: +81 (3) 5499-8154
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