Model 44 Cermet Trimming Potentiometer Features: Space saving SMD package for the most compact board designs Sealed to withstand aggressive water wash Long lifeset and forget construction BI quality and reliability Available in top and side adjustment versions and J-Hook or gull wing termination Consumer electronics Applications: Any application requiring adjustability or calibration Medical Electrical Standard resistance range 10 Ohms to 2 Megohms Standard resistance tolerance 10% (<100 Ohms = 20%) Input voltage 300 Vdc max. or rms not to exceed power rating Slider current 100 mA max. or within rated power, whichever is less Power rating 0.25 Watts at 85C derating to 0 at 150C End resistance 1% or 2 Ohms max., whichever is greater Actual electrical travel 9 turns nominal Dielectric strength 600 Vrms Insulation resistance 1,000 Megohms minimum Resolution Essentially infinite Contact resistance variation 1% or 3 Ohm max., whichever is greater Environmental Seal 85C Fluorinert (No Leaks) Temperature coefficient 100 ppm/C (<100 Ohms = 250 ppm/C) Operating temperature range -65C to +150C Thermal shock Five cycles 65C to +150C (2% RT, 1% VR) Moisture resistance Ten 24 hour cycles (2% RT, IR 10 Megohms min.) Shock 6 ms saw-tooth, 100 Gs (1% RT, 1% VR) Vibration 20 Gs, 10 to 2,000 Hz (1% RT, 1% VR) Rotational life 200 cycles (3% RT, 1% CRV) Load life 1,000 hours at 85C & 0.25 Watts (2% RT, 1% CRV) Resistance to solder heat 260C for 10 sec. (1% RT) Temperature exposure 215C for 3 min. maximum (1% RT) Solderability Per MIL-STD-202, method 208 TT Electronics BI Technologies General Note Circulo de la Amistad 102 PIMSA IV Mexicali B.C. Mexico C.P 21210 TT Electronics reserves the right to make changes in product specificaoti n without Ph: + 1 (714) 447-2345 nocti e or liability. All informaoti n is subject to TT Electronics own data and is www.ttelectronics.com/bi -technologies considered accurate at time of going to print. Issue C 04/2019 Page 1 TT electronics plc Model 44 Cermet Trimming Potentiometer Mechanical Mechanical stops Clutch action, both ends Torque, starting 3 oz.-in. max. (0.021 N-m) Weight 0.01 oz. nominal (0.3 grams) Packaging Standard: Embossed Tape & Reel. All units oriented with 1 pin to the right of the direction of feed. 13 Reel 7 Reel Pin Style G & J W G & J W Tape Width = 12 mm 16 mm 12 mm 16 mm Sprocket = 4 mm pitch 4 mm pitch 4 mm pitch 4 mm pitch Capacity = 1,000 units 1,000 units 500 units 250 units Reel Diameter = 13 (330.2 mm) 7 (178 mm) Option: Anti -static tubes. All units oriented with 1 pin to same side. Tube capacity = 100 units. Ordering Information Circuit Diagram TT Electronics BI Technologies General Note Circulo de la Amistad 102 PIMSA IV Mexicali B.C. Mexico C.P 21210 TT Electronics reserves the right to make changes in product specificaoti n without Ph: + 1 (714) 447-2345 nocti e or liability. All informaoti n is subject to TT Electronics own data and is www.ttelectronics.com/bi -technologies considered accurate at time of going to print. Issue C 04/2019 Page 2 TT electronics plc