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VE S CO
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LA N IA
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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 Characteristics
1
3700 Wirewound Element 3701 Hybritron
¤
Element
Product Dimensions
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)
7
°±
2
°
90
° ±
5
°
Environmental Characteristics
1
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 Range
2
........±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 revolutions
2
....4,000,000 shaft revolutions
2
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
Mechanical Characteristics
1
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
Manual Soldering................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire
370 °C (700 °F) max. for 3 seconds
Wave Soldering ........................................................96.5Sn/3.0Ag/0.5Cu solder with no-clean flux
260 °C (500 °F) max. for 5 seconds
Wash processes ..................................................................................................Not recommended
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
STANDOFFS
15.54
R
(.612)
12.2
(.48)
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 (Ω)
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 (Ω)
1,000
2,000
5,000
10,000
BOLDFACE
LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
RoHS IDENTIFIER:
L = COMPLIANT
BLANK = NON-COMPLIANT
REV. 10/08
*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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