1177 East Tower Road, Schaumburg, IL 60173

Tel: 847-884-6664

Fax: 847-884-6665

E-mail: sales@tocos.com

www.tocos.com

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Specifications

Electrical

Standard Resistance Range . . . . . . . . . . . . . 100

Ω to 1MΩ

Resistance Tolerance . . . . . . . . . . . . . . . . .

10% standard

End Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Ω max.

Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . B = linear

Peak Noise (C.R.V.) . . . . . . . 3% or 5

Ω, whichever is greater

Power Rating . . . . . . . . 2 watts at

70 C, 0 watt at

120 C

Maximum Input Voltage . . . . . . . . 400VDC or power rating,

whichever is smaller

Temperature Coefficient . . .

100 ppm / C, 200

Ω to 500kΩ

250 ppm / C, other values

Dielectric Strength . . . . . . . . . . . . . . . . 1,000VAC, 1 minute

Mechanical

Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 295

10

Shaft Torque

Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 5 seconds

Marking . . . . . . . . . . . . . . . . . . Model type, taper, resistance,

shaft type, terminal identification, date code

Environmental

Temperature Range . . . . . . . . . . . . . . . . .

10 Cto

120 C

Low Temperature Operation . . . . . . . . .

10 C, 45 minutes

with rated load

∆T/R ) 3%

Load Life . . . . . . . . . . . .

70 C, 1,000 hours with rated load

∆T/R ) 5%

Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude,

3 directions, 2 hours each

∆T/R ) 1%

Soldering Heat Resistance . . . . . . . . . . . 350 C, 3 seconds

∆T/R ) 2%

Rotational Life . . . . 15,000 cycles (500 cycles for shaft lock

models only) without load

∆T/R ) 10%

∆T/R = Total Resistance Change

28mm Diameter, Single-Turn, Cermet Industrial Panel Controls

P ANEL CONTROLS

Features

28mm diameter, single-turn industrial panel controls

Cermet film element

Single and tandem units, single shaft

Excellent environmental characteristics

Linear taper

Shaft lock available

Metal shaft and bushing

6mm diameter shafts in slot, flat or round end styles

Standard 15mm or 20mm shaft length

Panel mount only

Right angle ear-lug terminals

Optional 6-turn GFV281 model available as special order

GF281G

GF281