Document Number: 50025

For technical questions, contact: sfer@vishay.com

www.vishay.com

Revision: 24-Sep-08

81

RT12

Vishay Sfernice

Wirewound Rheostat/Potentiometer

FEATURES

• CCTU 05-03B (PA9)

• Vitreous style

DIMENSIONS in millimeters

MECHANICAL SPECIFICATIONS

Mechanical Protection

Vitreous

Mechanical Travel

290° + 15° - 10°

Operating Torque

1 to 10 Ncm

End Stop Torque

25 Ncm

Unit Weight

18.3 g

ENVIRONMENTAL SPECIFICATIONS

Temperature Range

- 55 °C + 320 °C

Climatic Category

CCTU 454

CEI 55/200/56

The spindle locking device can be fitted only to special units

equipped with a slotted bushing.

Order reference: B

For any special requirement on request: spindle flats, etc.

Please supply detailed drawing.

RT12-PA9

MOUNTING SIDE

Ø 22.5 ± 1.5

15.5

70°

17

2

M6 x 0.75

9 ± 1

1

12.5 ± 2 ACF

18 ± 2

22 ± 2

- 0

AS

Ø 1.1

MIN

Ø 3 - 0.05

PANEL CUT OUT DETAILS

Ø 3.5

6.5 ± 0.5

Ø 6.5

ELECTRICAL SPECIFICATIONS

Ohmic Range

1

Ω to 2.2 kΩ

Tolerance Standard

± 10 %

Power Rating

12 W at 25 °C

Variation Law

linear

Limiting Element Voltage

300 V

Dielectric Strength

1000 VRMS

Insulation Resistance

Ω (500 Vcc)

SPINDLES

Ø

mm

DISTANCE TO MOUNTING

PLATE mm

SCREW DRIVER

SLOT

CODE

3

12.5

WITH

ACF

322

WITHOUT

AS

LOCKING DEVICE

1 ± 0.2

3 ± 1

panel

spanner n° 10

7