Model 44 4mm Square Multiturn Surface Mount Cermet Trimming Potentiometer FEATURES AND BENEFITS • 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 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 85°C derating to 0 at 150°C 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 Min. Resolution Essentially infinite Contact Resistance Variation 1% or 3 Ohms Max., whichever is greater ENVIRONMENTAL Seal 85°C Fluorinert® (No Leaks) Temperature Coefficient ±100 ppm/°C (<100 Ohms = ±250 ppm/°C) Operating Temperature Range –65°C to +150°C Thermal Shock Five cycles –65°C to +150°C (2% ∆RT, 1% ∆VR) Moisture Resistance Ten 24 hour cycles (2% ∆RT, IR 10 Megohms Min.) Shock 6 ms sawtooth, 100 G’s (1% ∆RT, 1% ∆VR) Vibration 20 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR) Rotational Life 200 cycles (3% ∆RT, 1% CRV) Load Life 1,000 hours at 85°C & 0.25 Watts (2% ∆RT, 1% CRV) Resistance to Solder Heat 260°C for 10 sec. (1% ∆RT) Temperature Exposure 215°C for 3 min. Max. (1% ∆RT) Solderability Per MIL-STD-202, Method 208 RoHS 2 Pb compliant Specifications subject to change without notice. Fluorinert® is a registered trademark of 3M Company. BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 September 5, 2013 Website: www.bitechnologies.com Model 44 page 1 of 3 Model 44 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 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 Tape Reel 7” 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 44 G R 10K LF XX* Packaging Option: T7 = 7” Tape & Reel T13 = 13” Tape & Reel TB = Tubes Model Series Pin Style RoHS compliant product code (required, not optional) Resistance Prefix Resistance Value * Packaging option must be specified CIRCUIT DIAGRAM (2) (1) (3) CW BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 September 5, 2013 Website: www.bitechnologies.com Model 44 page 2 of 3 Model 44 TOP ADJUSTMENT SIDE ADJUSTMENT Model 44W Model 44J 3X .008±.003 Solderable .203±.076 Terminals .100 2.54 .025 3X .63 (1) (2) (3) (1) .190 4.83 .061 1.56 .113 2.87 3X .025 .63 3X .008±.003 Solderable .203±.076 Terminals .100 2.54 .200 5.08 Metal Adjustment Screw .056/1.42 Dia. with .020/.51 wide x .015/.38 deep slot .209 5.31 .113 2.87 .061 1.56 (3) Metal Adjustment Screw .056/1.42 Dia. with .020/.51 wide x .015/.38 deep slot .022 .55 .190 4.83 (2) .198 5.03 .180 4.57 .138 .154 3.51 3.91 .147 3.73 .039 3X .99 .063 1.60 3X .032 .81 SOLDER PAD LAYOUT .051 2X 1.30 .114 2.90 .079 2.01 Model 44G Model 44W .100 2.54 3X .060 1.52 .100 .190 2.54 4.83 (2) .157 3.99 3X .079 2.01 .120 3.05 Model 44J .079 2.01 (1) 3X .025 .63 (3) Metal Adjustment Screw .056/1.42 Dia. with .020/.51 wide x .015/.38 deep slot .090 2.29 2X .051 1.30 .061 1.56 .229 5.82 .180 4.57 .205 5.21 .154 3.91 3X .051 1.30 3X .008±.003 .203±.076 Solderable Terminals Model 44G .079 2.01 .090 2.29 2X .051 1.30 .024 .61 1. Dimensions in inch/mm 2. Tolerances ± 0.012 inch (0.30 mm) unless otherwise specified STANDARD RESISTANCE VALUES 10 100 1K 10K 50K 250K 20 200 2K 20K 100K 500K 50 500 5K 25K 200K 1Meg BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 September 5, 2013 Website: www.bitechnologies.com Model 44 page 3 of 3 2Meg