Shanghai Hengxiang Optical Electronic Co., Ltd. 86-21-54613487
External Diameter 22mm Miniature Rotary Encoder K22 Differential Output Slew Speed 5000rpm

External Diameter 22mm Miniature Rotary Encoder K22 Differential Output Slew Speed 5000rpm

  • High Light

    small rotary encoder


    miniature optical encoder

  • Encoder Type
    Incremental Encoder
  • External diameter
  • Hollow Shaft Diameter
  • Top Response Frequency
  • Installation Dimension
    R12mm, Spring Plate 22T24
  • Supply voltage
    DC5V ; DC8-30V
  • Shaft Load
    Radial 2N; Axial 2N
  • Shell Material
    Aluminum Alloy
  • Place of Origin
  • Brand Name
  • Certification
  • Model Number
    K22 mini encoder
  • Minimum Order Quantity
    1pcs encoder to start order
  • Price
  • Packaging Details
    each 1 piece was packed into single carton box
  • Delivery Time
    3-5 working days for sample order, 7-15 working days for mass order
  • Payment Terms
    D/A, D/P, T/T, Western Union, Credit Card, Master Card,Paypal, etc
  • Supply Ability
    100K pieces per year

External Diameter 22mm Miniature Rotary Encoder K22 Differential Output Slew Speed 5000rpm

Miniature rotary encoder K22 external diameter 22mm differential output slew speed 5000rpm


About Our Factory

  • Own brand of "HENGXIANG" encoder
  • Has ISO9001:2000 Quality Management System Certificate and CE Certification
  • Invention patents five and utility model patents five
  • Passed Shanghai New and High-tech Achievements Transformation Project.
  • Our target: Meeting Client's Requirement,Creating Social value,serving clients attentively and Achieving win-win.
  • Located in Shanghai city
  • 20-30 experienced workers


Quick description

Top REV: 5000r rpm

Consumption current: 100mA MAX

Top response frequency: 300KHZ

Rise/ Fall time: 1usec Max( 1000mm cable)

starting torque: less than 5x 10-4 N.m

Intertia moment: less than 1x 10-6kg.m2

Shaft load: Radial 2N; Axial 2N

Installation dimension: R12mm, spring plate 22T24


Detail Specifications

Items Basic parameters
Encoder type Incremental encoder
External diameter 22mm
Thickness 18mm
Installation dimension R12mm, spring plate 22T24
Hollow shaft type blind hole
Hollow shaft diameter 4mm;5mm,6mm,6.5mm
Resolution 250;256;360;400;500;512;720;800;1000;1024;1440;1600
Output phase Phase A,B,Z
Supply voltage DC5V ; DC8-30V
Outlet type Cable out from side
Cable out from back
Output mode Collector open circuit output(NPN &PNP)
Protection grade IP50
Shell Material aluminum alloy
Certification CE
package Carton box
Net weight About 35g (with package)


Our Service

  • Quick response once received customer’s quotation query
  • Professional engineer team, to solve your problems at any time
  • Strictly inspection before shipment
  • Various encoder models to be selected
  • Short lead time
  • High quality standard


External Diameter 22mm Miniature Rotary Encoder K22 Differential Output Slew Speed 5000rpm 0



An incremental rotary encoder outputs a certain amount of Pulses per Revolution. The higher this PPR number, the smaller the angle between each pulse. This PPR number is fixed for ordinary incremental encoders. Programmable incremental encoders can adjust this value to a desired number by a software change.

Today most incremental encoders have a Push-Pull (HTL) or RS422 (TTL) output driver, these have replaced most of the older output circuits like Open Collector NPN, Open Collector PNP, Voltage Output.

Push-Pull (HTL) circuits, also known as Totem Pole, provide a signal level which corresponds to the applied supply voltage. The supply voltage typically ranges from 8 to 30 VDC.


With proper connections you can use the Push Pull interface to replace true open collector circuits by using an external diode connected in a way to limit the direction of the current for RS422 (TTL) circuits provide a constant 5 V signal level that is not dependent on the supply voltage. Two supply voltage ranges can be selected: From 4.75 to 5.5 VDC (can be used to replace open collector output drivers) or from 8 to 30 VDC. Using differential signals the output fully complies to the RS422 standard.


Some Related K22 encoder model number

K22-J 3 N 250 B4

K22-J 3 NH 256 B5

K22-L 1 N 360 B5

K22-L 6 C 720 B6

K22-J 2 N 512 B6.5

K22-L 3 NH 1000 B6

K22-L 6 C 1024 B4

K22-J 6 E 1600 B6.5