Spindle Operated Potentiometers Type M Series Key Features I Cermet Element I Proven Reliability I 2W Power Rating I Strong Construction I Sealed to Military Standard I Panel Sealed (MC1) I Rugged Terminations This is one of TE Connectivity's most popular ranges and is available with cermet resistance elements. This choice means that components offer excellent electrical and thermal stability, reliability, low noise and long life which makes them most suitable for the majority of professional applications. The MC Series is used in the Tornado Project and is the standard single turn general purpose panel control used for most military applications in the UK and in Europe. Characteristics - Electrical MC1 MCU Element Technology: Cermet Cermet Std. Resistance Range: 100 Ohms to 2M2 10 Ohms to 1M Ohm Law: Linear Linear Resistance Values: 1,2,2 and 4.7 in each decade 1,2,2 and 4.7 in each decade Selection Tolerance: 10% 10% Rated Dissipation at 70C: 2W 2W Limiting Element Voltage: 315 Vdc 315 Vdc Isolation Voltage: 450 Vdc 450 Vdc Electrical Rotation: 210 210 Terminal Resistance: < 3 Ohms < 3 Ohms Noise (E.N.R.): 3% Max. 3 Ohms or 3% Insulation Resistance: > 5 G Ohms > 1 G Ohms Voltage Proof: 630 V ac peak 630 V ac peak Characteristics - Mechanical 1773245 CIS BI 06/2011 Starting Torque: < 85 mNm < 40 mNm Mechanical Rotation: 270 270 End Stop Torque: 800 mNm 800 mNm Dimensions are in millimeters and inches unless otherwise specified. Values in brackets are standard equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. For email, phone or live chat, go to: te.com/help Spindle Operated Potentiometers Type M Series Characteristics - Environmental Limits of Resistance Change: 3% (after 1000 hrs) Temperature Coefficient: 0.5% 0.75% Bump Severity: 390 m/s2, 4000 bumps 245 m/s2, 4000 bumps Vibration Severity: 10-500 Hz 98 m/s2 10-150 Hz 98 m/s2 Climatic Category: 55/125/56 55/125/21 Mechanical Endurance: 25000 operations Min. 25000 operations Min. Sealing: Panel sealed Fully enclosed Dimensions 3% (after 1000 hrs) MC1/MCU Wire Terminations Standard Spindles Type Standard Spindles Plain Slotted Drilled Slotted Drilled MC1 25 16, 20, 25 25 1.53 Deep Hole 3.18, Dia. 5.08 MCU 25 16, 20, 25 25 x1.53 Wide From End of Spindle How to Order Please specify type, resistance value, tolerance and spindle details. Add inspection requirement where appropriate. e.g. MC1 10K 10% PLAIN 25 mm We will advise a Tyco part number against this description. TE Connectivity, TE connectivity (logo) and TE (logo) are trademarks. Other logos, product and Company names mentioned herein may be trademarks of their respective owners. While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change without notice. Consult TE for the latest dimensions and design specifications.