Wirewound Rheostat/Potentiometer
RT500
Vishay Sfernice
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50030
144 Revision: 23-Mar-09
FEATURES
•500 W at 25 °C
•Vitreous wirewound protection
•Compliant to RoHS directive 2002/95/EC
MECHANICAL SPECIFICATIONS
Mechanical Protection Vitreous
Mechanical Travel 300° ± 5°
Operating Torque 10 Ncm to 50 Ncm
End Stop Torque 200 Ncm
Unit Weight 1900 g
ENVIRONMENTAL SPECIFICATIONS
Temperature Range - 55 °C + 320 °C
Climatic Category CCTU 454
CEI 55/200/56
LOCKING DEVICE
This is supplied as an option.
The available spindle length is according to the panel
thickness.
Order reference: DBA11
Note
• For any special requirement on request: spindle flats, etc. Please
supply detailed drawing.
DIMENSIONS in millimeters
PANEL CUT OUT DETAILSRT500
// //
//
//
4 holes Ø 5.5
Ø 12
50
50
Screw M5
60°
83
143 ± 3.5 93 15
108
Mounting side
50 ± 2 AS
- 0
- 0.05
10
ELECTRICAL SPECIFICATIONS
Ohmic Range 1 Ω to 33 kΩ
Tolerance Standard ± 10 %
Power Rating 500 W at 25 °C
Variation Law
Standard Linear
On request Sectorial winding
Limiting Element Voltage 3500 V
Dielectric Strength 3500 VRMS
Insulation Resistance 103 MΩ (500 VCC)
SPINDLES
Ø
mm
DISTANCE TO MOUNTING
PLATE mm
SCREW DRIVER
SLOT CODE
10 50 Without AS
thumb wheel nut
min panel cut-out
Ø 32
panel
18
24
Document Number: 50030 For technical questions, contact: sfer@vishay.com www.vishay.com
Revision: 23-Mar-09 145
RT500
Wirewound Rheostat/Potentiometer Vishay Sfernice
MARKING
Vishay Sfernice trademark, series, style, ohmic value (in Ω or kΩ), tolerance (in %), maximum current in A, manufacturing date.
PARTICULAR CHARACTERISTICS
NOMINAL
RESISTANCE
Ω
MAX. SERVICE
VOLTAGE
V
MAX. CURRENT
THROUGH WIPER
A
1 22.4 22.4
1.5 27.3 18.2
2.2 33 15
3.3 40.6 12.3
4.7 48.4 10.3
6.8 58.3 8.57
10 70.7 7.07
15 86.5 5.77
22 105 4.77
33 128 3.89
47 153.2 3.26
68 184.3 2.71
100 224 2.24
150 273 1.82
220 330 1.5
330 406 1.23
470 484 1.03
680 584.8 0.86
1K 707 0.707
1.5K 865 0.577
2.2K 1050 0.477
3.3K 1283 0.389
4.7K 1532 0.326
6.8K 1843 0.271
10K 2240 0.224
15K 2730 0.182
22K 3322 0.151
33K 3500 0.106
COMMAND KNOB 60JF (OPTION)
21
Ø 76
Ø 10
16
DIAL CG1 15/4T (OPTION)
4 holes Ø 3.5
Ø 12
5
6
7
8
9
10
0
1
2
3
4
115
98
4 holes Ø 6
98
50
ORDERING INFORMATION
RT
500 AS 2202 K B XXX
MODEL STYLE SPINDLE OHMIC VALUE TOLERANCE PACKAGING
SPECIAL DESIGN
GLOBAL PART NUMBER INFORMATION
GLOBAL
MODEL SIZE LOCKING
DEVICE (OPT.)
WINDING
(OPT.)
COMMAND
SHAFT OHMIC VALUE TOLERANCE PACKAGING SPECIAL
RT 500 D BXXX
or
BXXXX
As applicable
xxx(x) =
Internal
number
AS = Standard
(Diam: 10 mm)
The first three digits are
significant figures and the
last digit specifies the
number of zeros to follow.
R designates decimal point.
2002 = 20 kΩ
4700 = 470 Ω
22R0 = 22 Ω
1000 = 100 Ω
J = 5 %
K = 10 %
B = Box
BO1
As applicable
Ex = DXxx
00AS100 KT 5R 0B
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
Disclaimer
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