RA16
Series
TOCOS
PA N E L C O N T R O L S
®
16mm Diameter, Single-Turn, Wirewound Industrial Panel Controls
RA16Y
RA16YP
Features
16mm diameter, single-turn industrial panel controls
Wirewound element
Single unit, single shaft
Linear taper
Metal shaft and bushing
Shaft lock models available
Panel and PCB mounting styles
3mm diameter shafts in slot, flat or round end styles
Standard 10mm or 15mm shaft length
Lug or right angle mount pin terminals
Low operating temperature option of 10 C or 30 C, up to 100 C
Specifications
Electrical
Standard Resistance Range
. . . . . . . . . . . . . . 10Ω to 10 kΩ
Resistance Tolerance
. . . . . . . . . . . . . . . . . 10% standard
( 5%, 2% or 1% special order )
End Resistance
. . . . . . . . . . . . . . . . . . R
!
500Ω = 1Ω max.
R
0
500Ω = 0.2% max.
Resistance Taper
. . . . . . . . . . . . . . . . . . . . . . . . . . B = linear
Power Rating
. . . . . . . . . . . . . . . . . . . . . . 0.5 watt at
40 C
Load Life
. . . . . . . . . . . .
Insulation Resistance
. . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength
. . . . . . . . . . . . . . . . . . 500VAC, 1 minute
Theoretical Resolution
Resistance (
Ω
)
10
20
50
100
200
Resolution ( % )
0.95
0.76
0.58
0.45
0.39
Resistance (
Ω
)
500
1,000
2,000
5,000
10,000
Resolution ( % )
0.28
0.30
0.23
0.16
0.14
Environmental
Temperature Range
. . . . . . . . . . . . . . Y =
or X =
10 C to
30 C to
100 C
100 C
Temperature Characteristics
. . . . . . . . . . .
85 C, 5 hours
without load
∆T/R
)
5%
Low Temperature Exposure
. . . . . . .
10 C ( Y ), 30 C ( X )
1 hour without load
∆T/R
)
3%
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;
260 C, 5 seconds (PCB units)
∆T/R
)
2%
Rotational Life
. . . . 15,000 cycles (500 cycles for shaft lock
models only) with 1/2 rated load
∆T/R
)
3%
R = Total Resistance Value;
∆T/R
= Total Resistance Change
Mechanical
Mechanical Travel
. . . . . . . . . . . . . . . . . . . . . . . . . . 290
5
Shaft Torque
. . . . . 20.4 to 153 gf
•
cm (0.283 to 2.121 oz
•
in)
Stop Strength
. . . . . . . . . . . 3.06 kgf
•
cm (42.42 oz
•
in) max.
Mounting Nut Torque
. . . . . .10.2 kgf
•
cm (141.4 oz
•
in) max.
Solderability
. . . . . . . . . . . . . . . . . . . . . . . 235 C, 3 seconds
Marking
. . . . . . . . . . . . . Model type, taper, resistance code,
shaft type, terminal identification, date code
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
49
RA16 Series
RA16Y & RA16X
Panel Mount, Single Unit, Single Shaft
Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern
Dimensions
Unit: mm
Recommended
Panel Mounting Hole
RA16YL
Panel Mount, Single Unit, Single Shaft with Shaft Lock
Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern
Recommended
Panel Mounting Hole
RA16YP & RA16XP
PCB Mount, Single Unit, Single Shaft
Right Angle Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear Support Bracket
Recommended
PCB Mounting Holes
50
1177 East Tower Road, Schaumburg, IL 60173
TOCOS
AMERICA, INC.
Tel: 847-884-6664
Fax: 847-884-6665
E-mail: sales@tocos.com
www.tocos.com
RA16 Series
RA16YPL
Dimensions
Unit: mm
PCB Mount, Single Unit, Single Shaft with Shaft Lock
Right Angle Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear Support Bracket
Recommended
PCB Mounting Holes
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
51
RA16 Series
RA 16 Y L 10 S B 103 K
Part Numbering System
NOTE: FMS = From Mounting Surface
Resistance Tolerance: K
J
G
F
=
=
=
=
10% (standard).
5% (special order ).
2% (special order ).
1% (special order ).
Resistance Code:
Expressed in ohms. A three digit code where the first
two digits are significant figures, and the third digit indicates the number
of zeros that follow these figures (i.e., 100 = 10Ω; 101 = 100Ω; 102 = 1,000Ω;
103 = 10,000Ω; 105 = 1,000,000Ω ).
See table for standard resistance values.
Resistance Taper: B
= Linear.
Shaft End Style: S
= Slotted.
F
= Flatted.
R
= Round.
Standard Shaft Length: 10
= 10mm FMS.
15
= 15mm FMS.
Up to 30mm shaft length available (special order ).
Style: Blank
= Panel Mount, Single Unit, Single Shaft, Right Angle
Ear-Lug Terminals, 3-Lug Inline Pattern.
L
= Panel Mount, Single Unit, Single Shaft with Shaft Lock,
Right Angle Ear-Lug Terminals, 3-Lug Inline Pattern.
P
= PCB Mount, Single Unit, Single Shaft, Right Angle
Mount Pin Terminals, 3-Pin Inline Pattern, 2-Pin Rear
Support Bracket.
PL
= PCB Mount, Single Unit, Single Shaft with Shaft Lock,
Right Angle Mount Pin Terminals, 3-Pin Inline Pattern,
2-Pin Rear Support Bracket.
Operating Temperature Range: Y
=
X
=
Size: 16
= 16mm Diameter.
TOCOS Series Name: RA
= Wirewound Element.
10 C to 100 C.
30 C to 100 C.
Standard Resistance Values and Part Numbering Codes
Standard Nominal Total Resistance Values and Part Numbering Codes
Resistance (
Ω
)
10
20
50
Code
100
200
500
Resistance (
Ω
)
100
200
500
Code
101
201
501
Resistance (
Ω
)
1,000
2,000
5,000
Code
102
202
502
Resistance (
Ω
)
10,000
Code
103
Refer to Shaft End Styles Specifications and Hardware Specifications for details and availability.
For additional information, refer to Guidelines and Precautions for Using Panel Controls.
52
1177 East Tower Road, Schaumburg, IL 60173
TOCOS
AMERICA, INC.
Tel: 847-884-6664
Fax: 847-884-6665
E-mail: sales@tocos.com
www.tocos.com
Analog electronics
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