Features

3700/3701 - Precision Potentiometer

“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.

3700 Wirewound Element

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

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

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

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

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.

Schematic

Recommended Part Numbers

Part

Number

Resistance

(

Ω)

Resolution

(% Max.)

3700S-1-102L

1,000

0.05

3700S-1-202L

2,000

0.04

3700S-1-502L

5,000

0.04

3700S-1-103L

10,000

0.03

Part Number

Resistance (

Ω)

3701H-1-102L

1,000

3701H-1-202L

2,000

3701H-1-502L

5,000

3701H-1-103L

10,000

REV. 11/13

BOLDFACE LISTINGS ARE IN STOCK AND READILY

AVAILABLE THROUGH DISTRIBUTION.

FOR OTHER OPTIONS CONSULT FACTORY.

ROHS IDENTIFIER:

L = COMPLIANT*

13

CCW

CW

CW

2

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