3600 - 10-Turn Precision Knobpot
Features
Bushing mount
Cost saving; pre-phased
Highly readable clockface readout
Easy mounting
Electrical Characteristics
1
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 Characteristics
1
Operating Temperature Range.....................................................................................+1 C to +85 C
Storage Temperature Range.......................................................................................-65 C to +85 C
Temperature Coefficient Over Storage Temperature Range........................50 ppm/C maximum/unit
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) ..............................................................................100,000 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 Characteristics
1
Stop Strength.........................................................................................14 N-cm (20 oz.-in.) minimum
Mechanical Angle ......................................................................................................3600 +20 , -0
Torque (Starting) .........................................................0.21 to 5.65 N-cm (0.3 to 8.0 oz.-in.) maximum
Torque (Running) ...............................................................................5.65 N-cm (8.0 oz.-in.) maximum
Variation ........................................................................................0.71 N-cm (1.0 oz.-in.) maximum
Mounting.............................................................................170-200 N-cm (15-18 lb.-in.) maximum
Backlash ........................................................................................................................1.0 maximum
Weight..................................................................................................................Approximately 17 gm
Terminals ..............................................................................................................Gold-plated J-Hooks
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, and date code.
Part Number
Resistance
Resolution
()
(%)
3600S-1-102
1,000
.035
3600S-1-502
5,000
.027
3600S-1-103
10,000
.022
Recommended Part Numbers
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
0
5
4
3
2
1
9
8
7
6
KN
OBPOT
1
2
3
19.10
(3/4)
NON-TURN PIN
EXTENDS
1.70 .13
(.067 .005)
PILOT DIA.
10.26 .05
(.404 .002)
3/8 "- 32 UNEF-2A THD
NON-TURN PIN
EXTENDS
1.70 .13
(.067 .005)
PANEL HOLE PATTERN
1
3
CW
CLOCKWISE
CCW
2
WIPER
DIA.
25.40 .80
(1.00 .03)
8.73
(11/32)
19.10
(3/4)
DIA.
(.156)
MAX. -
(.060)
MIN.
PANEL THICKNESS
3.96
1.52
#21 AWG GOLD PLATED GRADE A
NICKEL SOLDER LUGS
(.0285)
LOCATED ON .05 RADIUS
.724
3.18 .79
(1/8 1/32)
1.40 .38
(.055 .015)
I.D.
4.76 .79
(3/16 1/32)
DIA.
1.98 + .08/ - .03
(.078 +.003/-.001)
7.11
(.280)
10.41 .08
(.410 .003)
TOLERANCES: EXCEPT WHERE NOTED
.25 .13
DECIMALS: .XX
(.010),
.XXX
(.005)
FRACTIONS: 1/64
MM
DIMENSIONS:
(IN.)
DIA.
1
At room ambient: +25 C nominal and humidity nominal, except as noted.
REV. 07/06
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
"Knobpot" is a registered trademark of Bourns, Inc.
Model 3600 is currently available,
although not recommended for new
designs.
Model 3610
w/
Model
CT-23
or
CT-26
is preferred.
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