EC11 Rotary Encoder With Push Button Switch 5pin 20mm Silver

EC11 Rotary Encoder With Push Button Switch (5‑Pin, 20 mm Shaft)

Key Features

• Type: Incremental rotary encoder with built‑in push button switch (push‑to‑operate)
• Pins: 5 pins for connection (A, B, common, switch, common)
• Rotation: 360° continuous turn — no mechanical stop
• Detents / Pulses: Typically ~20 pulses per full revolution (also called “20 steps”)
• Shaft:
  • Length: Approx. 20 mm total shaft
  • Diameter: ~6 mm (standard)
  • Shape: Round shaft / sometimes D‑flat for knob fitting
• Switch: Momentary push button built in; normally open type
• Voltage: Operates typically at 2.7 V – 5.5 V (commonly used at 5 V)
• Rated Current (Push Switch): Around 10 mA max
• Mechanical Life: Encoder and button typically rated for tens of thousands of cycles
• Mounting: Through‑hole PCB style, vertical mounting

Typical Uses

• Menu navigation on microcontroller devices (Arduino, ESP32, Raspberry Pi, etc.)
• Volume or value adjustment controls
• UI input for audio equipment, appliances
• Rotary selection & push‑to‑select controllers