Features
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . 10Ω to 20kΩ
Resistance Tolerance . . . . . . . . . . . . . . . . .
End Resistance . . . . . . . . 0.2% or 1Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.) . . . . . 0.5% or 2Ω, whichever is greater
Power Rating . . . . . . . . 0.5 watt at
Temperature Coefficient . . . . . . . . . . . . . . . . .
Insulation Resistance . . . . . 1,000MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . 900VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 270
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 300
Shaft Torque . . . . . . . . 30 to 300 gf
Stop Strength . . . . . . . . . . . . . . 1 kgf
Flammability of Plastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . . . . . . 1.5g (P); 2.4g (S, X )
Marking . . . . . . . . . . . . . . . . . . Resistance code, date code,
1177 East Tower Road, Schaumburg, IL 60173
RA12
12mm Round, Single-Turn, Through-Hole Sealed Wirewound Trimmers
Meets UL 94V-0 flammability requirements
Low equivalent noise resistance
12mm round, single-turn, through-hole, sealed wirewound trimmers
model type, terminal identification
Series
(standard 1, 2 & 5 sequence )
•
70 C, 0 watt at 125 C
cm (0.42 to 4.16 oz
•
cm (13.86 oz
High setting stability
Tel: 847-884-6664
10% standard
TOCOS
50ppm / C
Sealed to withstand wave soldering and immersion cleaning processes
•
in) min.
•
10
10
in)
AMERICA, INC.
Fax: 847-884-6665
Environmental
Temperature Range . . . . . . . . . . . . . . . . .
Low Temperature Exposure . . . . . . . . . . . .
High Temperature Exposure . . . . . . . . .
Load Life . . . . . . . . . . . . . . . . .
Thermal Shock . . . . . . . . . . . . . . . . . . . . . .
Humidity . . . . . . . . . . . . . . . . . . . . . . . .
Soldering Heat Resistance . . . . . . . . . . . 350 C, 5 seconds
Seal Test . . . . . . . . . . . . . . . . . 85 C, hot water for 1 minute
Rotational Life . . . . . . . . . . 200 cycles without discontinuity
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
Low temperature coefficient
Top and side adjust styles available
E-mail: sales@tocos.com
TOCOS
P O T E N T I O M E T E R S
70 C, 0.5 watt, 1,000 hours
30 minutes each, 5 cycles
Long rotational life
∆T/R ) 1% 0.05Ω
∆T/R ) 1% 0.05Ω
∆T/R ) 1% 0.05Ω
∆T/R ) 1% 0.05Ω
0.5 watt, 500 hours
40 C, 90-95%RH,
125 C, 250 hours
55 C to 125 C
www.tocos.com
55 C, 125 C,
55 C, 1 hours
∆T/R ) 2%
∆T/R ) 2%
∆T/R ) 2%
®
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