68PR10KLF BITECH | Alldatasheet
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Technical content
Standard Resistance Range, Ohms 10 to 2Meg Standard Resistance Tolerance ±10% (<100 Ohms = ±20%) Input Voltage, Maximum 200 Vdc or rms not to exceed power rating Slider Current, Maximum 100mA or within rated power, whichever is less Power Rating, Watts 0.5 at 85°C derating to 0 at 125°C End Resistance, Maximum 2 Ohms Actual Electrical Travel, Turns, Nominal 20 Dielectric Strength 900 Vrms Insulation Resistance, Minimum 1,000 Megohms Resolution Essentially infinite Contact Resistance Variation, Maximum 1% or 1 Ohm, whichever is greater ENVIRONMENTAL Seal 85°C Fluorinert® (No Leaks) Temperature Coefficient, Maximum ±100ppm/°C Temperature Range –55°C to +125°C Thermal Shock 5 cycles, –55°C to +125°C (1% ∆RT, 1% ∆VR) Moisture Resistance Ten 24 hour cycles (1% ∆RT, IR 1,000 Megohms min.) Shock, 6ms Sawtooth 100G’s (1% ∆RT, 1% ∆VR) Vibration 20G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR) High Temperature Exposure 250 hours at 125°C (2% ∆RT, 2% ∆VR) Rotational Life 200 cycles (3% ∆RT) Load Life at 0.5 Watts 1,000 hours at 70°C (2% ∆RT) Resistance to Solder Heat 260°C for 10 sec. (1% ∆RT) MECHANICAL Mechanical Stops Clutch Action, both ends Torque, Starting Maximum 5 oz.-in. (0.035 N-m) Weight, Nominal .04 oz. (1.13 grams) MODEL 68 3/8” Square Multiturn Cermet Trimming Potentiometer Fluorinert® is a registered trademark of 3M Company. Specifications subject to change without notice.
.090/2.29 Dia. With .020/0.51 Wide X .025/0.64 Min. Depth Max. (1) (2) (3) Meniscus (Typ) .19 ± .02 4.8 ± 0.5 .03 0.8 .245 6.22 Max. .18 4.6 Min. Terminal Pins (3) Dia..020 ± .003 0.51 ± 0.08 Standard Marking This Surface Min.Standoff .015 ± .002 0.38 ± 0.05 .187 ± .015 4.75 ± 0.38 .375 ± .015 9.53 ± 0.38 .12 ± .02 3.1 ± 0.5 (2) (1) (3) .060 ± .015 1.524 ± 0.38 .10 2.5 .187 ± .015 4.75 ± 0.38 .10 2.5 .375 ± .015 9.53 ± 0.38 .10 2.5 TOP ADJUSTMENT (Inch/mm) Schematic Diagram This Surface Max. Standard Marking This Surface .15 ± .02 3.8 ± 0.5 Metal Adjustment Screw .090/2.29 Dia. With .020/0.51 Wide X .025/0.64 Min. Depth .375 ± .015 9.53 ± 0.38 .062 ± .015 1.58 ± 0.38 .060 ± .015 3.1 ± 0.5 .245 6.22 Terminal Pins (3) Dia. (3) (2) (1) Min..18 4.6 .015 0.38 .375 ± .015 9.53 ± 0.38 .020 ± .003 0.51 ± 0.08 .187 ± .015 4.75 ± 0.38 .045 ± .015 1.14 ± 0.38 .10 2.5 .10 2.5 Model 68W SIDE ADJUSTMENT (Inch/mm) Model 681-52 Model 68P
(1) (2) (3) CW NOTES mm INCH Metric equivalents, based on 1 inch = 25.4mm are rounded to the same number of significant figures as in the original English units and are provided for general information only. Tolerances unless otherwise specified: Linear = ± .01 inches (.25mm) Angular = ± 2 degrees SIDE ADJUSTMENT (Inch/mm) Schematic Diagram This Surface Standard Marking This Surface Max..245 6.22 Metal Adjustment Screw .090/2.29 Dia. With .020/0.51 Wide X .025/0.64 Min. Depth .375 ± .015 3.8 ± 0.5 Terminal Pins (3) Dia. (3) (2) (1) Min. .32 ± .02 8.1 ± 0.5 .18 4.6 .375 ± .015 9.53 ± 0.38 .020 ± .003 0.51 ± 0.08 .060 ± .015 1.524 ± 0.38 .187 ± .015 4.75 ± 0.38 .045 ± .015 1.14 ± 0.38 .10 2.5 .10 2.5 Model 68X STANDARD RESISTANCE VALUES, OHMS 10 200 5K 50K 500K 20 500 10K 100K 1Meg 50 1K 20K 200K 2Meg 100 2K 25K 250K
ORDERING INFORMATION
68 P R 10K LF
RoHS Compliant Product Code - Optional Resistance Value Resistance Prefix
68 W R 10K LF TB
Pin Style Packaging Option: TB = Tubes (Pin styles P, W, X)
68 W F R 10K LF TR
Pin Style Suffix: (Used with AP and TR packaging options. Applicable to pin styles W & X only. "F" designates 0.70" lead length.) Packaging Option: AP = Ammo pack TR = Tape & Reel (Pin styles W, X only) Standard: Option: Standard: Boxes Capacity = 100 Units (68W) = 50 Units (All other styles) Option: Tubes All units oriented with #1 pin to same side. Pin Style P W X Magazine Width = 0.57” 0.33” 0.33” Capacity = 50 Units 50 Units 50 Units Option: Tape & Reel, Ammo Pack (Available only for 68W and 68X) All units oriented with #1 pin to the right of the direction of feed. Seat Plane to Centerline of Sprocket Hole = .71” (18.03 mm) Tape Width = 18 mm Sprocket = Single Hole .50” spacing Capacity = 1,000 Units Reel Diameter = 14” (356 mm) Ammo Tape Fold = 12” (305 mm) Box = 1.8” x 13” x 10” (46mm x 330mm x 254mm) Option: