Models 3700 and 3701 are currently
available, although not recommended
for new designs.
Features
■ Bushing mount
■ Excellent resolution
■ Non-standard features and specifications
available
■ Small diameter
■ High rotational life
3700/3701 - Precision Potentiometer
Electrical Characteristics1
3700 Wirewound Element 3701 Hybritron¤ Element
3700S-1/3701H-1
1/4"-32-UNEF-2ATHD
.25
Standard Resistance Range ..............100 to 100 K ohms ..................1 K to 100 K ohms
Total Resistance Tolerance ................±± ꢀ ........................................±10 ꢀ
Independent Linearity ........................±0.ꢁ± ꢀ....................................±0.ꢁ± ꢀ
Effective Electrical Angle ....................3600 ° +10 °, -0 ° ....................3600 ° +10 °, -ꢁ °
Absolute Minimum Resistance/..........1 ohm or 0.1 ꢀ maximum........Minimum voltage
3.30
(.13)
X 45 ° CHAMFER
(.010)
2.37 + .00/- .01
CCW
CW
(.0935+.0000/-.0003)
DIA.
Minimum Voltage
(whichever is greater)
0.ꢁ ꢀ maximum
Noise ..................................................±00 ohms ENR maximum ........Output smoothness 0.1 ꢀ
maximum
11.11
(7/16)
Dielectric Withstanding Voltage (MIL-STD-ꢁ0ꢁ, Method 301)
1.52
(.06)
Sea Level........................................1,000 VAC minimum ................1,000 VAC minimum
Power Rating (Voltage Limited By Power Dissipation or 31± VAC, Whichever Is Less)
+70 °C ............................................1 watt........................................1 watt
+1ꢁ± °C ..........................................0 watt........................................0 watt
Insulation Resistance (±00 VDC) ........1,000 megohms minimum........1,000 megohms minimum
Resolution ............................................See recommended part nos. ....Essentially infinite
7.14 + .00/- .01
(.281+.000/-.002)
DIA.
.28
(9/32)
25.40 ± .51
(1.00 ± .02)
17.46 ± .80
(11/16 ± 1/32)
Environmental Characteristics1
Operating Temperature Range ..........+1 °C to +1ꢁ± °C......................+1 °C to +10± °C
Storage Temperature Range ..............-6± °C to +1ꢁ± °C ....................-±± °C to +10± °C
Temperature Coefficient Over
7 ° ± 2 °
ADJUSTMENT SLOT
.81
.81 ± .25
WIDE X
DEEP
(.032 ± .010)
(.032)
90 ° ± 5 °
Storage Temperature Rangeꢁ ........±±0 ppm/°C maximum/unit......±100 ppm/°C maximum/unit
Vibration..............................................ꢁ0 G..........................................ꢁ0 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 ....................±ꢁ ꢀ maximum........................±± ꢀ maximum
Rotational Life (No Load)....................1,000,000 shaft revolutionsꢁ ....4,000,000 shaft revolutionsꢁ
Total Resistance Shift ....................±± ꢀ maximum........................±± ꢀ maximum
Moisture Resistance (MIL-STD-ꢁ0ꢁ, Method 103, Condition B)
WIPER
9.53
(3/8)
12.7
(1/2)
LOCKWASHER AND MOUNTING NUT
TO BE SUPPLIED WITH EACH UNIT
Total Resistance Shift ....................±ꢁ ꢀ maximum........................±± ꢀ maximum
IP Rating ............................................IP 40 ........................................IP 40
STANDOFFS
12.2
15.54
(.612)
(.48)
Mechanical Characteristics1
R
Stop Strength...............................................................................................14 N-cm (ꢁ0 oz-in.) minimum
Mechanical Angle ......................................................................................................3600 ° +ꢁ0 °, -0 °
Torque (Starting & Running)......................................................................0.4± N-cm (0.6 oz.-in.) max.
Mounting.....................................................................................170-ꢁ00 N-cm (1±-18 lb.-in.) max.
Shaft Runout..................................................................................................0.0± mm (0.00ꢁ in.) T.I.R.
Lateral Runout ...............................................................................................0.13 mm (0.00± in.) T.I.R.
Shaft End Play...............................................................................................0.13 mm (0.00± in.) T.I.R.
Shaft Radial Play ...........................................................................................0.08 mm (0.003 in.) T.I.R.
Pilot Diameter Runout ...................................................................................0.0± mm (0.00ꢁ in.) T.I.R.
Backlash........................................................................................................................1.0 ° maximum
Weight..................................................................................................................Approximately ꢁ8 gm
Terminals............................................Gold-plated solderlugs (3700) or gold-plated turret lugs (3701)
Soldering Condition....................Recommended hand soldering using Sn9±/Ag± no clean solder,
0.0ꢁ± ” wire diameter. Maximum temperature 399 °C (7±0 °F) for 3 seconds.
11.81
(.465)
12.70
(.500)
22.23 ± .38
(.875 ± .015)
DIA.
DIA.
MOUNTING
SURFACE
TOLERANCES: EXCEPT WHERE NOTED
.25
(.010),
.13
DECIMALS: .XX ±
.XXX ±
(.005)
FRACTIONS: ±1/64
MM
DIMENSIONS:
(IN)
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.
CCW
CW
3
2
1
CW
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2Consult manufacturer for complete specification details.
Recommended Part Numbers
BOLDFACE LISTINGS ARE IN STOCK AND READILY
Part Number
Resistance (Ω)
1,000
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
AVAILABLE THROUGH DISTRIBUTION.
3700S-1-102L
3700S-1-202L
3700S-1-502L
3700S-1-103L
FOR OTHER OPTIONS CONSULT FACTORY.
2,000
5,000
10,000
2,000
5,000
10,000
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.