Model 44 Cermet Trimming Potentiometer Features: * * * * * Space saving SMD package for the most compact board designs Sealed to withstand aggressive water wash Long life--set and forget construction BI quality and reliability Available in top and side adjustment versions and J-Hook or gull wing termination * Applications: * * Consumer electronics 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 Temperature coefficient Operating temperature range Thermal shock Moisture resistance Shock Vibration Rotational life Load life Resistance to solder heat Temperature exposure Solderability 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. (c) TT electronics plc 85C Fluorinert(R) (No Leaks) 100 ppm/C (<100 Ohms = 250 ppm/C) -65C to +150C Five cycles -65C to +150C (2% RT, 1% VR) Ten 24 hour cycles (2% RT, IR 10 Megohms min.) 6 ms saw-tooth, 100 G's (1% RT, 1% VR) 20 G's, 10 to 2,000 Hz (1% RT, 1% VR) 200 cycles (3% RT, 1% CRV) 1,000 hours at 85C & 0.25 Watts (2% RT, 1% CRV) 260C for 10 sec. (1% RT) 215C for 3 min. maximum (1% RT) Per MIL-STD-202, method 208 TT Electronics | BI Technologies Circulo de la Amistad #102 PIMSA IV Mexicali B.C. Mexico C.P 21210 Ph: + 1 (714) 447-2345 www.ttelectronics.com/bi-technologies Issue C 04/2019 Page 1 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 Tape Reel 7" Reel Pin Style G&J W G&J W 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 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 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. (c) TT electronics plc TT Electronics | BI Technologies Circulo de la Amistad #102 PIMSA IV Mexicali B.C. Mexico C.P 21210 Ph: + 1 (714) 447-2345 www.ttelectronics.com/bi-technologies Issue C 04/2019 Page 2 Model 44 Cermet Trimming Potentiometer Top Adjustment Side Adjustment Solder Pad Layout Standard Resistance Values 10 100 1K 10K 50K 250K 20 200 2K 20K 100K 500K 50 500 5K 25K 200K 1Meg 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. (c) TT electronics plc 2Meg TT Electronics | BI Technologies Circulo de la Amistad #102 PIMSA IV Mexicali B.C. Mexico C.P 21210 Ph: + 1 (714) 447-2345 www.ttelectronics.com/bi-technologies Issue C 04/2019 Page 3