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LRA2520SB101J Datasheet(PDF) 1 Page - TOCOSAMERICA, INC.

Part # LRA2520SB101J
Description  25mm Diameter, Single-Turn,Wirewound Industrial Panel Controls
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Manufacturer  TOCOS [TOCOSAMERICA, INC.]
Direct Link  http://www.tocos.com
Logo TOCOS - TOCOSAMERICA, INC.

LRA2520SB101J Datasheet(HTML) 1 Page - TOCOSAMERICA, INC.

  LRA2520SB101J Datasheet HTML 1Page - TOCOSAMERICA, INC. LRA2520SB101J Datasheet HTML 2Page - TOCOSAMERICA, INC.  
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TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173
Tel: 847-884-6664
Fax: 847-884-6665
E-mail: sales@tocos.com
www.tocos.com
61
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . 500
Ω to 20kΩ
Resistance Tolerance . . . . . . . . . . . . . . . . . .
5% standard
(
2% or
1% special order )
End Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2% max.
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . B = linear
Independent Linearity . . . . . . . . . . . . . . . . . . .
0.5% max.
Power Rating . . . . . . . . . . . . . . . . . . . . . .1.5 watts at
40 C
Insulation Resistance . . . . . . .100M
Ω minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Theoretical Resolution
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 300
5
Shaft Torque . . . . . 70.2 to 306 gf cm (0.973 to 4.242 oz in)
Stop Strength . . . . . . . . . . . . 10.2 kgf cm (141.4 oz in) max.
Mounting Nut Torque . . . . . . 15 kgf cm (207.94 oz in) max.
Solderability . . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds
Marking . . . . . . . . . . Taper, resistance, resistance tolerance,
terminal identification, date code
Environmental
Temperature Range . . . . . . . . . . . . . . . . .
10 Cto
100 C
Temperature Characteristics . . . . . . . . . . .
85 C, 5 hours
without load
∆T/R ) 5%
Low Temperature Exposure . . .
10 C, 1 hour without load
∆T/R ) 3%
Load Life . . . . . . . . . . . .
40 C, 1,000 hours with rated load
∆T/R ) 3%
Moisture and Load Life . . . . . . . . . . . .
40 C, 90-95%RH,
500 hours with 1/10 rated load
∆T/R ) 5%
Vibration . . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude,
2 directions, 2 hours each
∆T/R ) 1%
Soldering Heat Resistance . . . . . . . . . . 350 C, 3.5 seconds
∆T/R ) 2%
Rotational Life . . . . . . . . . 15,000 cycles with 1/2 rated load
∆T/R ) 3%
∆T/R = Total Resistance Change
LRA25 Series
25mm Diameter, Single-Turn, Wirewound Industrial Panel Controls
TOCOS®
P ANEL CONTROLS
Features
25mm diameter, single-turn industrial panel controls
Wirewound element
High linearity,
0.5% max.
Single unit, single shaft
Linear taper
5% standard total resistance tolerance
Metal shaft and bushing
Wide operating temperature of
10 C to
100 C
Panel mounting style only
Right angle ear-lug terminals
6mm diameter shafts in slot, flat or round end styles
Standard 20mm shaft length
Resistance (
Ω)
500
1,000
2,000
Resistance (
Ω)
5,000
10,000
20,000
Resolution ( % )
0.27
0.21
0.17
Resolution ( % )
0.12
0.08
0.09
LRA25


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