EC21A0920401 representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN14 sourced attributes1 source document

Alps Alpine · exact orderable part

EC21A0920401

RING TYP ENCODERS

Actuator Type
21.6mm Open Center
Built in Switch
No
Detent
Yes
Encoder Type
Mechanical
Manufacturer
Alps Alpine
Mounting Type
PCB, Through Hole
Original manufacturerCommercial terms confirmed per lot
ManufacturerAlps Alpine
Mounting typeunknown
PackingTray

Technical parameters

Technical specifications

EC21A0920401 technical parameters
ParameterValue
Actuator Type21.6mm Open Center [1]
Built in SwitchNo [1]
DetentYes [1]
Encoder TypeMechanical [1]
ManufacturerAlps Alpine [1]
Mounting TypePCB, Through Hole [1]
OrientationVertical [1]
Output TypeQuadrature (Incremental) [1]
Part StatusActive [1]
Pulses per Revolution9 [1]
Rotational Life (Cycles Min)50K [1]
SeriesEC21A [1]
Termination StylePC Pin [1]
Voltage - Supply5V [1]

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.