3610

Features
■ Snap-in or bushing mount options
■ Standard resistance values available
■ Digital dial provides excellent readability
3610 - 10-Turn Precision Knobpot®
Electrical Characteristics1
Standard Resistance Range........................................................................................................................................................................ 100 to 100 K ohms
Total Resistance Tolerance................................................................................................................................................................................................ ±5 %
Effective Electrical Angle ................................................................................................................................................................................... 3600 ° nominal
Absolute Minimum Resistance ......................................................................................................................1 ohm or 0.1 % maximum (whichever is greater)
Noise ............................................................................................................................................................................................. 100 ohms ENR maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ...............................................................................................................................................................................................1,000 VAC minimum
70,000 Feet ..............................................................................................................................................................................................400 VAC minimum
Power Rating (Voltage Limited By Power Dissipation or 385 VAC, Whichever is Less)
+25 °C......................................................................................................................................................................................................................1.5 watts
+85 °C...........................................................................................................................................................................................................................0 watt
Insulation Resistance (500 VDC) ..................................................................................................................................................... 1,000 megohms minimum
Resolution .............................................................................................................................................................................See recommended part numbers
Accuracy (Correlation of Dial Readout to Voltage Ratio Output) ................................................................................................................±0.5 % voltage ratio
Repeatability of Dial Readout .....................................................................................................................................................................±0.1 % voltage ratio
Environmental Characteristics1
Operating Temperature Range ......................................................................................................................................................................... +1 °C to +85 °C
Storage Temperature Range ........................................................................................................................................................................... -25 °C to +85 °C
Temperature Coefficient Over Storage Temperature Range2 ........................................................................................................ ±50 ppm/°C maximum/wire
Vibration .............................................................................................................................................................................................................................10 G
Wiper Bounce ................................................................................................................................................................................0.1 millisecond maximum
Total Resistance Shift ....................................................................................................................................................................................±2 % maximum
Voltage Ratio Shift ......................................................................................................................................................................................±0.2 % maximum
Shock ...............................................................................................................................................................................................................................50 G
Wiper Bounce ................................................................................................................................................................................0.1 millisecond maximum
Total Resistance Shift ....................................................................................................................................................................................±2 % maximum
Voltage Ratio Shift ......................................................................................................................................................................................±0.2 % maximum
Load Life .................................................................................................................................................................................................1,000 hours, 1.5 watts
Total Resistance Shift ....................................................................................................................................................................................±2 % maximum
Rotational Life (No Load) .................................................................................................................................................................... 50,000 shaft revolutions
Total Resistance Shift ....................................................................................................................................................................................±2 % maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ....................................................................................................................................................................................±2 % maximum
IP Rating ............................................................................................................................................................................................................................ IP 60
Mechanical Characteristics1
Stop Strength.............................................................................................................................................................................. 14 N-cm (20 oz.-in.) minimum
Mechanical Angle ...........................................................................................................................................................................................3600 ° +20 °, -0 °
Torque (Starting) .............................................................................................................................................. 0.71 to 4.94 N-cm (1.0 to 7.0 oz.-in.) maximum
Torque (Running) ................................................................................................................................................................... 4.94 N-cm (7.0 oz.-in.) maximum
Variation ............................................................................................................................................................................. 0.71 N-cm (1.0 oz.-in.) maximum
Backlash ............................................................................................................................................................................................................ 1.0 ° maximum
Weight .....................................................................................................................................................................................................Approximately 20 gm
Terminals ...................................................................................................................................................................................................Gold-plated J-Hooks
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
Markings .................................................................. Manufacturer’s name and part number, resistance value and tolerance, wiring diagram, and date code
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Recommended Part Numbers
Part Number
Resistance (Ω)
Resolution (%)
Part Number
Resistance (Ω)
Resolution (%)
3610S-1-102
3610S-1-502
3610S-1-103
1,000
5,000
10,000
.035
.027
.022
3610S-2-102
3610S-2-502
3610S-2-103
1,000
5,000
10,000
.035
.027
.022
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS AND RESISTANCE VALUES,
PLEASE CONSULT THE FACTORY.
“Knobpot” is a registered trademark of Bourns, Inc.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3610 - 10-Turn Precision Knobpot®
Product Dimensions
3610S-1
PANEL HOLE PATTERN
3.264
(NO. 30 DRILL)
(.1285)
16.26 ± .38
(.640 ± .015)
18.80 ± .38
(.740 ± .015)
4.76 ± .79
(3/16 ± 1/32)
FULL R
14.27
(.562)
12.65
REF.
(.498)
ANTIROTATION
KEY
22.23
(7/8)
DIA.
2
3610S-2
VIEW ROTATED 45 °
PANEL HOLE PATTERN
10.44 ± .07
(.411 ± .003)
DIA.
DIA.
1.70 ± 0.25
(.067 ± .010)
22.23 ± 0.38
(.875 ± .015)
1.98 +.08/-.03
DIA.
(.078 + .003/-.001)
(DRILL #5/64)
4.78 ± 0.79
(.188 ± .031)
33.48 ± 0.79
(1.318 ± .031)
17.65 ± 0.38
8.36 ± 0.38
(.695 ± .015)
(.329 ± .015)
DIA.
10.26 ± 0.05
(.404 ± .002)
ANTI-ROTATION LUG
ALIGNS WITH “0” ± 4 °
0.38
(.015)
1.83
(.072)
6.93 ± 0.25
(.273 ± .010)
7.11
(.280)
#21 AWG GOLD
PLATED PIN
0.72
DIA.
(.0285)
LOCATED ON
1.27
RADIUS
(.050)
1.52 TO 3.96
(.060 TO .156)
PANEL THICKNESS
1.52 ± 0.38
(.060 ± .015)
3.18 ± 0.79
(.125 ± .031)
1.40 ± 0.38
(.055 ± .015)
3/8-32
UNEF-2A THD.
TOLERANCES: EXCEPT WHERE NOTED
.25
.13
DECIMALS: .XX ±
.XXX ±
(.010),
(.005)
FRACTIONS: ±1/64
MM
DIMENSIONS:
(IN.)
31.496
(1.240)
1 3
#21 AWG GOLD
PLATED PINS
.724
DIA.
(.0285)
LOCATED ON
1.27
RADIUS
(.050)
25.40
DIA.
(1.00)
NOTES:
1. SNAP-IN MOUNTING CUP
ACCOMMODATES PANEL THICKNESS
.64
1.98
(.025) THRU (.078) (NO. 22GA
3.18
THRU NO. 14GA) AND (.125)
ANTIROTATION
KEY
HOOK DETAIL
2
CCW
WIPER
3
1
CW
CLOCKWISE
REV. 10/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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