Volume Controls Model DCU 254

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 1 of 10

Features• 2ndgenerationDigitalControlUnit

• Continuousrotation,noendstop • ForITE-applications

• SwitchingdiagramsimilartoDCU93andDCU1933-terminaldiagram

• Housingdiameter2.54mm[0.1”]

• TAB-stylesolderterminals

• SolderterminalmaterialPdAgforexcellentsolderabilityandcorrosionresistance

• 10pulsesperrotation

Contents1. HistoryRevision 32. MechanicalSpecifications 43. ElectricalSpecifications 44. SwitchingDiagram 45. MaterialsSpecifications 56. EnvironmentalConditions 57. ProcessingConditions 68. MechanicalDimensions 69. KnobStyles 710.TerminalStyles 811.KnobPlasticColors 912.ColorCoding 913.ProductSpecificationForm 10

Sonionreservestherighttomakechangesatanytimetoimprovereliability,functionordesign,inordertoprovidethebestproductpossible.

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 2 of 10

1. History RevisionRevision Number/Date Change from last revision02 / Nov 06 Historyrevisionadded.Switchcontactlifetimechangedto10,000cycles

MT1037.A (07/08) Notechnicalupdates

003/JUL-14-09 Notechnicalupdates

004/NOV-26-09 Housingstyleno.04added.Storagehumidityadded.Operationaltempera-tureandhumidityremoved

005/MAY-25-10 AddedthatKnobStyleno.101alsofitsHousingStyleno.04

006/2014-01-10 UpdateddesignandnewRoHSlogodirective(2011/65/EU)

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 3 of 10

2. MechanicalSpecificationsRotational angle Continuousrotation,noendstop

Rotational speed Min.4rpm.Max.60rpm

Rotational torque Min.2cNcm.Max.8cNcm

Switch contact lifetime Min.10,000cycles,95%confidence.1cycle=360°CWfollowedby360°CCWrotation.

Knob retention force:Housing Style No. 01 Min.6N

Housing Style Nos. 02 and 04 Min.12Nafterhumidityexposure

IEC60068-2-38

Terminal retention force Min.5N

3. ElectricalSpecificationsNumber of pulses per rotation 10pulses.Pulsesareinterpretedaschangesin

theinternalswitchstate

Switching current Max.0.1mA

Contact resistance Max.500mΩ

Insulation resistance Min.1MΩ

Parasitic capacitance Max.10pFbetweenanytwoleads

Pulse width 10° - 27°

Bounce time Max.20mS.Measuredat25rpm,2µAand0.7V

Pulse counting accuracy 1pulseper100pulses.Measuredat25rpm

4. Switching Diagram

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 4 of 10

5. MaterialsSpecificationsAll materials comply with RoHS directive (2011/65/EU)Solder terminals PdAg

Knob PA6.6

Timing gear PA6.6

Base LCP

Housing Style No. 01 LCP

Housing Style Nos. 02 and 04 PA6.6

Lubricant,glue/seal,andpaintspecificationsareproprietaryinformation.

6. Environmental ConditionsStorage temperature -40 to +60°C

Storage humidity 10to95%RH

State Diagram

Static CW Rotation CCW RotationUndefined APulsestoE APulsestoB

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 5 of 10

7. Processing ConditionsGluingRecommended types of glue Non-bloomingcyanoacrylates,i.eLoctite401,408,

460,andSicomet50,63,77

Non-blooming types must be used to ensure that residuals from the curing process do not degrade the component

SolderingSoldering temperature and time 300°C[572°F]for3sor350°C[662°F]for1s

Soldering distance: Min.0.5mm[0.02”]fromhousing

Bending of solder terminals: Min.1bendingcycle90°with25gload

Mechanical stress on soldering terminals must be avoided during soldering

CleaningRecommended cleaning solvents ForexampleaquawashwithAlpha2110orbenzine

Ultrasonic cleaning must be avoided as it may remove the lubricant inside the component

8. Mechanical Dimensions

Housing Style No. 02

Housing Style No. 01

[ ] [ ]

[ ]

[

]

[

]

[

]

[ ]

[ ]

[

]

[

]

[

]

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 6 of 10

No. 101 - Fits Housing Style Nos. 02 and 04 only

[ ]

[ ]

[

]

Housing Style No. 04

9. Knob Styles

No. 01 - Fits Housing Style No. 01 only

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 7 of 10

10. Terminal Styles

No. 01

No. 02

[ ]

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 8 of 10

11. Knob Plastic Colors Pleaserefertotheseries100includedintheSonion‘PlasticColorAssortment’binder

12. Color CodingKnob Style No. 01Blueorredmarkingincentreofknobispossible

Knob Style No. 101Blueorredmarkinginoneindentationispossible

BottomBlueorredmarkingofthebaseispossible

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 9 of 10

13.ProductSpecificationForm

Name

Company

Customer Part No.

Parameters Look at Page Enter your choices GuidelinesModel 2 DCU 254

Housing Styles 6-7 PleaseenterHousingStyleNos.01,02 or 04

Knob Styles 7 PleaseenterKnobStyleNo.01orNo.101

KnobStyleNo.01fitsHousingStyleNo.01onlyKnobStyleNo.101fitsHousingStyleNos.02and04only

Terminal Styles 8 PleaseenterTerminalStyleNo.01or No.02

Housing Colors HousingStyleNo.01availableinLCPuncoloredonly HousingStyleNo.02availableincolorNo.100and131

Knob Plastic Colors 9 Please refer to the series 100 included in the Sonion ‘Plastic Color Assortment’ binder

Color Coding 9 Knob Ifwanted,pleaseenterredorblue

9 Arrowatbottom Ifwanted,pleaseenterredorblue

Data Sheet

Volume Controls Model DCU 254

DK: +45 4630 6666USA: +1 952 543 8300PRC: +86 512 6832 3401NL: +31 20 6068 100

Document Code: DCU 254 - DSVersion: 006Release date: 2014-01-10 Page 10 of 10