Spindle Operated Potentiometers
Type RW Series
Literature No. 1773275
Issued: 04-05
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
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Key Features
■Wirewound Elements
■Proven Reliability
■Excellent Linearity
■3W Rating at 40°C in
Wirewound
■Robust Construction
■Range of Shaft Styles
■Custom Designs Possible
Type RW Series
This high power wire wound
potentiometer is a recent addition to
the Tyco range. The RW series offers a
range of shaft styles, 1 and 3 Watt
power ratings, low terminal resistance
and excellent linearity. For a rugged
high power control potentiometer at a
very attractive price - the RW Series will
satisfy your requirements.
Characteristics -
Electrical
RW1 RW3
Element Technology: Wirewound
Resistance Range: 10R to 100K (Linear) 10R to 25K (Linear)
Resistance Values: 1, 2 & 5 in each decade
Selection Tolerance: 10% Standard, ± 5% By Request
Linearity: 2% maximum
Rated Dissipation at 40°C: 1W 3W
Maximum Working Voltage: 250V DC 500 V DC
Electrical Rotation: 285° nominal 275° nominal
Terminal Resistance: 0.2R or 0.02% whichever is greater
Noise (E.N.R.): 100R maximum
Insulation Resistance: > 5 Gig Ohms
Voltage Proof: 630V AC peak
Dimensions
RW1 RW3
How to Order
RW 3 102 K A
Common Part
1 - 1 Watt at 70°C
3 - 3 Watts at 70°C
Power Dissipation
The first two digits
are significant figures
of resistance value and
the third denotes
the number of zeros
following.
e.g. 100R: 101
1K0: 102
10K: 103
100K: 104
Resistance Value Tolerance
RW - Wirewound
Potentiometer
J - ±5% (special)
K - ±10% (standard)
Shaft Style
A – 6.35 x 25mm Plain
B – 6.35 x 68mm Full Flat
C – 6.35 x 19mm Slotted
D - 6.35 x 38mm Slotted
E – 6.35 x 16mm Slotted
Characteristics -
Mechanical
Starting Torque: <70 mNm < 85 mNm
Mechanical Rotation: 295° nominal 285° nominal
End Stop Torque: 500 mNm minimum 800 mNm minimum
Standard Shaft Lengths: 25mm - Others By Special Request
Characteristics -
Environmental
Operating Temperature: -40°C to +70°C
Limits of Resistance Change: 3% (after 1000 hrs)
Temperature Coefficient: 100ppm/°C
Bump Severity: 390 m/s2, 4000 bumps
Vibration Severity: 10 - 500 Hz, 98m/s2
Climatic Category: 40/070/21
Mechanical Endurance: 2000 operations
Sealing: Fully enclosed
OBSOLETE
