Features
■
■
■
■
Bushing mount
Cost saving; pre-phased
Highly readable clockface readout
Easy mounting
Model 3600 is not currently available,
and not recommended for new
designs. Model 3610 is preferred.
3600 - 10-Turn Precision Knobpot
®
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
9
8
7
6
5
4
K
0
BPOT
NO
1
2
3
19.10
DIA.
(3/4)
¤
8.73
(11/32)
25.40
±
.80
(1.00
±
.03)
NON-TURN PIN
EXTENDS
1.70
±
.13
(.067
±
.005)
19.10
(3/4)
DIA.
PILOT DIA.
10.26
±
.05
(.404
±
.002)
3/8 "- 32 UNEF-2A THD
3.96
1.52
MAX. -
MIN.
(.156)
(.060)
PANEL THICKNESS
#21 AWG GOLD PLATED GRADE A
.724
NICKEL SOLDER LUGS (.0285) DIA.
LOCATED ON .05 RADIUS
3.18
±
.79
(1/8
±1/32)
1.40
±
.38
(.055
±
.015)
I.D.
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
NON-TURN PIN
EXTENDS
1.70
±
.13
(.067
±
.005)
2
1
3
4.76
±
.79
(3/16
±
1/32)
1.98 + .08/ - .03
DIA.
(.078 +.003/-.001)
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.
1
7.11
(.280)
10.41
±
.08
(.410
±
.003)
PANEL HOLE PATTERN
TOLERANCES: EXCEPT WHERE NOTED
.25
.13
DECIMALS: .XX
±
.XXX
±
(.010),
(.005)
FRACTIONS:
±1/64
MM
DIMENSIONS:
(IN.)
At room ambient: +25 °C nominal and humidity nominal, except as noted.
2
CCW
WIPER
Recommended Part Numbers
Part Number
3600S-1-102
3600S-1-502
3600S-1-103
Resistance
(Ω)
1,000
5,000
10,000
Resolution
(%)
.035
.027
.022
BOLDFACE
LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
1
CLOCKWISE
3
CW
REV. 08/06
“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.
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