P270_V01 TTELEC | Alldatasheet

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Technical content

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies

413 Rood RD, Suite 7

Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 1 Description: 27,8mm Diameter Conductive Plastic Potentiometer for Heavy Duty Applications and Long Life Applications:

  • Machine Controls
  • Welding equipment
  • Foot pedal controls Features:
  • 1,000,000 Cycle Life
  • Sealed unit available
  • Conductive Plastic element
  • Dual Gang available
  • Center Tap available
  • Several electrical angles available to cross to Honeywell 380, RV4, 485, 53C and 385 Series
  • Meets MIL-PRF-94 requirements.

Electrical Characteristics

TA = 25ᵒC unless otherwise noted Resistance Range 200 ohms-1MEG (for “B” taper) 1K-1MEG (for other tapers) Standard Resistance Tolerance 1K to 1 MEG: ±10% <500 ohms: ±20% Residual Resistance 6 ohms max. Nominal Electrical Travel, See Page 3 for available Electrical angles Input Voltage, maximum 500 Vdc not to exceed power rating Rated Power 2.0 Watts @70°C for “B” Taper, 1.0 Watt for other tapers Dielectric Strength 1000 VAC, 1 minute Rotational Noise 100mV max. Insulation Resistance 50M ohms at 500 Vdc Gang Error (Dual Unit) ±3dB (-40dB to 0dB) Solder Lugs, Single Gang P270 Solder Lugs, with Center Tap P271 Solder Lugs, Dual Gang P272 Solder lugs, Single Gang for heavy side load applications P278 Model Styles Available

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 2 Mechanical Characteristics TA = 25ᵒC unless otherwise noted Environmental Characteristics TA = 25ᵒC unless otherwise noted Operating Temperature -55°C to +120°C IP Rating Dust proof: IP50 Sealed: IP64 Soldering Condition Wave Soldering 260 °C maximum for 1-3 seconds Hand Soldering 300 ᵒC maximum for 3 seconds RoHS Please refer to TT Electronics Website REACH Please refer to TT Electronics Website Mechanical Travel 312° ± 5° Rotational Stop Strength 200 oz-in Nut Tightening Strength 25 lb-in max. Rotational Life 1,000,000 Cycles (10% ΔR) Packaging Standard Packaging Plastic Trays Hardware Lock washer and mounting nut

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 3

Ordering Information

P270 - S F 2 2 B R 100K 274 Part Family P270 P271 (Center Tap) P272 (Dual gang) P278 (Heavy Duty) Seal Type D - Dust proof S - Sealed Shaft Type (See page 4) S - Slotted F - Flatted P - Plain Shaft Length - “L” 1 - .625” 2 - .875” 3 - 1.000” 4 - 2.000” 5 - .750” Bushing Length “M” 1 - .250” 2 - .375” 3 - .500” 4 - .312 Resistance Taper (See page 7) A - Audio (15A) B - Linear (1B) C - Reverse Audio (15C) D - Audio (10A) Resistance See Resistance Table Electrical Angle Blank = 300° 292 = 292° 263 = 263° 284 = 284° 112 = 112° 274 = 274° 045 = 45° 270 = 270° Resistance Table Resistance (Ohms) 500 1,000 2,000 5,000 10,000 20,000 50,000 100,000 200,000 500,000 1,000,000 200 Code 500 1K 2K 5K 10K 20K 50K 100K 200K 500K 1MEG 200

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 4 Shaft Types F-TYPE Shaft – Bushing Combinations Shaft Length (L) Bushing Length (M) Flat Length (T) (1) = .625 (3) = .500 Not Available All Other Combinations .375 Circuit Diagrams P270 (without Center Tap) P271 (with Voltage Center Tap) P272 (Dual Gang)

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 5 Outline Dimensions Model P270 Model P271 (Center Tap)

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 6 Outline Dimensions Model P272 (Dual Gang)

Model P270 / P271 / P272 / P278 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics ’ own data and is considered accurate at time of going to print. © TT electronics plc TT Electronics | BI Technologies Calexico, CA 92231 Ph: + 1 (714) 447-2345 www.ttelectronics.com Rev - 04/2021 Page 7 Standard Tapers