3400 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Precision Potentiometer

*RoHS ^{VCEOARMVSAPIOILLINAASBNLTE}
Features
■ Bushing mount
■ Optional ±0.05 linearity option
■ Excellent wiper stability
■ High stop strength
■ Sealable
Model 3400 is currently available,
although not recommended for new
designs. Model 3500 is preferred.
3400 - Precision Potentiometer
Electrical Characteristics¹
Standard Resistance Range ................................................................100 to 500 K ohms
Total Resistance Tolerance.........................................................................................±3 %
Independent Linearity............................................................................................±0.15 %
Effective Electrical Angle ..........................................................................3600 ° +4 °, -0 °
Absolute Minimum Resistance............1 ohm or 0.15 % maximum (whichever is greater)
Noise .........................................................................................100 ohms ENR maximum
Dielectric Withstanding Voltage...............................................MIL-STD-202, Method 301
Sea Level ........................................................................................1,000 VAC minimum
80,000 Feet .......................................................................................300 VAC minimum
Power Rating (Voltage Limited By Power Dissipation, or ...........................(40 °C) 5 watts
1,000 VAC, Whichever Is Less) ...............................................................(125 °C) 0 watt
Insulation Resistance (500 VDC)...............................................1,000 megohms minimum
Resolution........................................................................See recommended part number
Environmental Characteristics¹
Operating Temperature Range................................................................+1 °C to +125 °C
Storage Temperature Range ..................................................................-65 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range²....±20 ppm/°C maximum/unit
Vibration ......................................................................................................................10 G
Wiper Bounce.........................................................................0.1 millisecond maximum
Total Resistance Shift ............................................................................±2 % maximum
Voltage Ratio Shift ..............................................................................±0.1 % maximum
Shock ..........................................................................................................................50 G
Wiper Bounce.........................................................................0.1 millisecond maximum
Total Resistance Shift ............................................................................±2 % maximum
Voltage Ratio Shift ..............................................................................±0.1 % maximum
Load Life ............................................................................................1,000 hours, 5 watts
Total Resistance Shift ............................................................................±2 % maximum
Rotational Life (No Load)........................................................2,000,000 shaft revolutions²
Total Resistance Shift ............................................................................±5 % maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ............................................................................±2 % maximum
IP Rating .....................................................................................................................IP 40
Mechanical Characteristics¹
Stop Strength ..................................................................388 N-cm (550 oz.-in.) minimum
Mechanical Angle .....................................................................................3600 ° +4 °, -0 °
Torque (Starting & Running) .............................................1.4 N-cm (2.0 oz.-in.) maximum
Mounting ..........................................................170-200 N-cm (15-18 lb.-in.) maximum
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.......................................................................0.06 mm (0.0025 in.) T.I.R.
Pilot Diameter Runout.................................................................0.05 mm (0.002 in.) T.I.R.
Backlash .....................................................................................................1.0 ° maximum
Weight .............................................................................................Approximately 110 gm
Terminals .......................................................................................Gold-plated solder lugs
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.
Markings....................................Manufacturer’s name and part number, resistance value
and tolerance, linearity tolerance, wiring diagram, date code
Ganging (Multiple Section Potentiometers) ............................................2 cups maximum
Hardware .................................One lockwasher (H-37-2) and one mounting nut (H-38-2)
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 for resistances below 500 ohms and above 100 K ohms.}
*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.
WIPER
CCW
29.37
(1-5/32)
6.35
(1/4)
CW
3/8 "-32 2A THD UNEF
45 ° X .25
CHAMFER
1-13/16
(46.04)
DIA.
1.52
(.06)
7.94
5/16
44.45 ± .79
(1-3/4 ± 1/32)
20.64
(13/16)
10.32 + .00/ - .05
(.4062 + .000/ -.002)
PILOT DIA.
ADD ^39.4 FOR
(1.55)
ADDITIONAL CUP
4.76
(3/16)
TYP.
1.02 WIDE
(.04) SLOT
X ^1.02 DEEP
(.04)
2.36
(.093)
DIA.
TYP.
6.34 + .00/ - .01
(.2497 + .0000/ - .0003)
SHAFT DIA.
14.3
(9/16)
3.18 _{DIA. ANTI-ROTATION PIN}
(.125)
EXTENDS
1.02
(.04)
PAST MOUNTING SURFACE
TOLERANCES: EXCEPT WHERE NOTED
DECIMALS:
.XX
±
.25
(.010),
.XXX
±
.13
(.005)
FRACTIONS: ±1/64
DIMENSIONS:
MM
( IN.)
2 ^WIPER
CCW ₁
CLOCKWISE
3 CW
Recommended Part Numbers
Part Number
3400S-1-102L
3400S-1-502L
3400S-1-103L
Resistance
1,000
5,000
10,000
Resolution
.020
.013
.010
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
TERMINALS:
L = RoHS COMPLIANT
BLANK = STANDARD
REV. 06/06