Datasheet
RT55
www.vishay.com
Vishay Sfernice
Revision: 24-Aug-16
1
Document Number: 50027
For technical questions, contact: sferfixedresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Wirewound Rheostat / Potentiometer
FEATURES
• 55 W at 25 °C
• CCTU 05-03B (PA3)
• Material categorization: for definitions of
compliance please see www.vishay.com/doc?99912
Note
(1)
On request: sectorial winding
DIMENSIONS in millimeters
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
RESISTANCE
RANGE
TOLERANCE
± %
RATED POWER
P
25 °C
W
VARIATION LAW
STANDARD
(1)
LIMITING
ELEMENT VOLTAGE
V
DIELECTRIC
STRENGTH
V
RMS
INSULATION
RESISTANCE
RT55 1 to 10K 10 55 Linear 500 (linear law) 1000 10
3
M (500 V
CC
)
ADAPTATION BOARD PANEL CUT OUT DETAILS
PANEL CUT OUT DETAILS
RT55-PA3
7.6
Ø 10.5
2 holes Ø 5
23.5
23.5
Ø 4.5
12.5 ± 0.5
Ø 10.5
Ø 6 - 0.05
38
60 ± 2.5
60°
Screw M3
36 4
- 0
M10 x 0.75
9 ± 1
15
AS
39 25 ± 2
Mounting side
CLIMATIC SPECIFICATIONS
Temperature range -55 °C; +320 °C
Climatic category
CCTU 454
CEI 55 / 200 / 56
MECHANICAL SPECIFICATIONS
Mechanical protection Vitreous
Mechanical travel 300° ± 5°
Operating torque 2 Ncm to 15 Ncm
End stop torque 100 Ncm
Unit weight 175 g