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oH VE S CO AV R M AI SIO PL LA N IA BL S NT E
Features

Bushing mount Excellent resolution Non-standard features and specifications available Small diameter High rotational life
Models 3700 and 3701 are currently available, although not recommended for new designs.
*R
3700/3701 - Precision Potentiometer
Electrical Characteristics1 3700 Wirewound Element 3701 Hybritron Element
3700S-1/3701H-1
1/4"-32-UNEF-2ATHD 3.30 (.13) CCW CW .25 X 45 CHAMFER (.010) 2.37 + .00/- .01 (.0935+.0000/-.0003) DIA.
Standard Resistance Range ..............100 to 100 K ohms ..................1 K to 100 K ohms Total Resistance Tolerance ................5 % ........................................10 % Independent Linearity ........................0.25 % ....................................0.25 % Effective Electrical Angle ....................3600 +10 , -0 ....................3600 +10 , -2 Absolute Minimum Resistance/..........1 ohm or 0.1 % maximum........Minimum voltage Minimum Voltage (whichever is greater) 0.2 % maximum Noise ..................................................500 ohms ENR maximum ........Output smoothness 0.1 % maximum Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level........................................1,000 VAC minimum ................1,000 VAC minimum Power Rating (Voltage Limited By Power Dissipation or 315 VAC, Whichever Is Less) +70 C ............................................1 watt........................................1 watt +125 C ..........................................0 watt........................................0 watt Insulation Resistance (500 VDC) ........1,000 megohms minimum ........1,000 megohms minimum Resolution ............................................See recommended part nos. ....Essentially infinite
11.11 (7/16)
1.52 (.06) .28 (9/32) 25.40 .51 (1.00 .02)
7.14 + .00/- .01 (.281+.000/-.002) DIA. 17.46 .80 (11/16 1/32) 72 90 5
Environmental Characteristics1
Operating Temperature Range ..........+1 C to +125 C ......................+1 C to +105 C Storage Temperature Range ..............-65 C to +125 C ....................-55 C to +105 C Temperature Coefficient Over Storage Temperature Range2 ........50 ppm/C maximum/unit ......100 ppm/C maximum/unit Vibration..............................................20 G ..........................................20 G Wiper Bounce ................................0.1 millisecond maximum ........0.1 millisecond maximum Shock..................................................100 G ........................................100 G Wiper Bounce ................................0.1 millisecond maximum ........0.1 millisecond maximum Load Life ............................................1,000 hours, 1 watt ..................1,000 hours, 1 watt Total Resistance Shift ....................2 % maximum ........................5 % maximum Rotational Life (No Load)....................1,000,000 shaft revolutions2 ....4,000,000 shaft revolutions2 Total Resistance Shift ....................5 % maximum ........................5 % maximum Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ....................2 % maximum ........................5 % maximum IP Rating ............................................IP 40 ........................................IP 40
ADJUSTMENT SLOT .81 WIDE X .81 .25 DEEP (.032) (.032 .010)
9.53 WIPER (3/8) 12.7 (1/2) LOCKWASHER AND MOUNTING NUT TO BE SUPPLIED WITH EACH UNIT
STANDOFFS 15.54 R (.612)
Mechanical Characteristics
1
12.2 (.48)
Stop Strength ...............................................................................................14 N-cm (20 oz-in.) minimum Mechanical Angle ......................................................................................................3600 +20 , -0 Torque (Starting & Running)......................................................................0.45 N-cm (0.6 oz.-in.) max. Mounting.....................................................................................170-200 N-cm (15-18 lb.-in.) max. Shaft Runout..................................................................................................0.05 mm (0.002 in.) T.I.R. Lateral Runout ...............................................................................................0.13 mm (0.005 in.) T.I.R. Shaft End Play ...............................................................................................0.13 mm (0.005 in.) T.I.R. Shaft Radial Play ...........................................................................................0.08 mm (0.003 in.) T.I.R. Pilot Diameter Runout ...................................................................................0.05 mm (0.002 in.) T.I.R. Backlash ........................................................................................................................1.0 maximum Weight..................................................................................................................Approximately 28 gm Terminals............................................Gold-plated solderlugs (3700) or gold-plated turret lugs (3701) Soldering Condition....................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 " wire diameter. Maximum temperature 399 C (750 F) for 3 seconds. No wash process to be used with no clean flux. Marking .................................................Manufacturer's name and part number, resistance value and tolerance, linearity tolerance, wiring diagram, and date code Ganging (Multiple Section Pots.) .................................................................................1 cup maximum Hardware ...................................................One lockwasher (H-37-1) and one mounting unit (H-38-1) is shipped with each potentiometer.
1 2
11.81 (.465) 22.23 .38 DIA. (.875 .015) 12.70 DIA. (.500) MOUNTING SURFACE
TOLERANCES: EXCEPT WHERE NOTED .25 .13 DECIMALS: .XX .XXX (.010), (.005) FRACTIONS: 1/64 MM DIMENSIONS: (IN) CCW 2 1 CW 3 CW
At room ambient: +25 C nominal and 50 % relative humidity nominal, except as noted. Consult manufacturer for complete specification details.
Recommended Part Numbers
Part Number 3700S-1-102L 3700S-1-202L 3700S-1-502L 3700S-1-103L Resistance () 1,000 2,000 5,000 10,000 Resolution 0.43 0.35 0.34 0.26 Part Number 3701H-1-102L 3701H-1-202L 3701H-1-502L 3701H-1-103L Resistance () 1,000 2,000 5,000 10,000 BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. TERMINALS: L = RoHS COMPLIANT BLANK = STANDARD REV. 06/06 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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