PL
IA
NT
Features
■
Bushing mount
■
Excellent resolution
■
Non-standard features and specifications available
■
Small diameter
■
High rotational life
■
RoHS compliant*
*R
oH
S
CO
M
3700/3701 - Precision Potentiometer
Electrical Characteristics
1
3700 Wirewound Element
3701 Hybritron
®
Element
Schematic
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 .................................................. 100 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
CCW
2
1
CW
3
CW
Recommended Part Numbers
Part
Number
Resistance
(Ω)
Resolution
(% Max.)
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
3700S-1-102L
3700S-1-202L
3700S-1-502L
3700S-1-103L
Part Number
1,000
2,000
5,000
10,000
0.05
0.04
0.04
0.03
Resistance (Ω)
3701H-1-102L
3701H-1-202L
3701H-1-502L
3701H-1-103L
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*
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
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
2
Consult manufacturer for complete specification details.
Asia-Pacific:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
EMEA:
Tel: +36 88 520 390
Fax: +36 88 520 211
The Americas:
Tel: +1-951 781-5500
Fax: +1-951 781-5700
www.bourns.com
REV. 11/13
“Hybritron” is a registered trademark of Bourns, Inc.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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