G12
Series
TOCOS
POTENTIOMETERS
®
1/2” Round, Single-Turn, Through-Hole Sealed Cermet Trimmers
Features
1/2” round, single-turn, through-hole, sealed cermet trimmers
Dial markings for quick adjustment
3 standard models, top and side adjust
Cross-slot adjustment flush with housing
PC board stand-offs
1.0 watt power rating
Low noise and low TC
Wide temperature range of 55 C to 125 C
Meets UL 94V-0 flammability requirements
Sealed to withstand wave soldering and immersion cleaning processes
Specifications
Electrical
Standard Resistance Range
. . . . . . . . . . . . . . 10Ω to 1MΩ
(standard 1, 2 & 5 sequence )
Resistance Tolerance
. . . . . . . . . . . . . . .
10% and
20%
End Resistance
. . . . . . . . . . 1% or 3Ω, whichever is greater
Resistance Taper
. . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.)
. . . . . . . 1% or 1Ω, whichever is greater
Power Rating
. . . . . . . . 1.0 watt at
70 C, 0 watt at
125 C
Maximum Input Voltage
. . . . . . . . 300VDC or power rating,
whichever is smaller
Temperature Coefficient
. . . 100 ppm / C, 200Ω to 500kΩ
250 ppm / C, other values
Insulation Resistance
. . . . . 1,000MΩ minimum at 500VDC
Dielectric Strength
. . . . . . . . . . . . . . . . . 900VAC, 1 minute
Adjustment Travel
. . . . . . . . . . . . . . . . . . . . . . . . . 270
10
Environmental
Temperature Range
. . . . . . . . . . . . . . . . .
Low Temperature Exposure
. . . . . . . . . . . .
55 C to
125 C
55 C, 2 hours
∆T/R
)
1%
High Temperature Exposure
. . . . . . . . . 125 C, 250 hours
∆T/R
)
2%, S.S.
)
1%
Load Life
. . . . . . . . . . . . . . . . .
70 C, 1.0 watt, 1,000 hours
∆T/R
)
3%, S.S.
)
1%
Thermal Shock
. . . . . . . . . . . . . . . . . . . . . . 55 C, 125 C,
30 minutes each, 5 cycles
∆T/R
)
1%, S.S.
)
1%
Shock
. . . . . . . . . . . . . 50G, 6ms, 6 directions, 3 times each
∆T/R
)
2%, S.S.
)
1%
Vibration
. . . . . . . . . . . . . . . . 10-2,000Hz, 1.5mm amplitude,
20G, 12 hours
∆T/R
)
1%, S.S.
)
1%
Humidity
. . . . . . . . . . . . . . . . . . . . . . . .
40 C, 90-95%RH,
1.0 watt, 500 hours
∆T/R
)
3%, S.S.
)
1%
Mechanical
Mechanical Travel
. . . . . . . . . . . . . . . . . . . . . . . . . 300
Shaft Torque
. . . . . . . . . . . . . . 350
gf
•
cm
(4.85
oz
•
in)
10
max.
Moisture Resistance
. . . . . .
Stop Strength
. . . . . . . . . . . . . . 2 kgf
•
cm (27.73 oz
•
in) min.
Flammability of Plastic Materials
. . . . . . . Meets UL 94V-0
Nominal Weight
. . . . . . . . . . . . . . . . . . 1.5g (P); 2.4g (S, X )
Marking
. . . . . . . . Resistance code, date code, model type,
terminal identification (side adjust only)
10 C to 65 C, 80-98%RH,
1.0 watt, 10 cycles, 240 hours
∆T/R
)
3%
Soldering Heat Resistance
. . . . . . . . . . . 350 C, 3 seconds
∆T/R
)
1%
Seal Test
. . . . . . . . . . . . . . . . 85 C, hot water for 1 minute
Rotational Life
. . . . . . . . . . 100 cycles without discontinuity
∆T/R
)
2%)
∆T/R
= Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
88
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
G12 Series
G12
P
B
102
K
Part Numbering System
Resistance Tolerance: K = 10%; M = 20%
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; 105 = 1,000,000Ω ).
Resistance Taper: B = Linear.
Terminal Style: P = 3-Lead Configuration, Top Adjust.
S, X = 3-Lead Configurations, Side Adjust.
TOCOS Series Name.
Part Numbers
Nominal Resistance
Value (
Ω
)
Code
Catalog No. Bulk
Resistance
Tolerance 10%
Resistance
Tolerance 20%
Potentiometer
Styles
G12P
Through-Hole, P Terminal Style, Cross-Slot, Top Adjust
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
G12P
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
G12P
G12S
Through-Hole, S Terminal Style, Cross-Slot, Side Adjust
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
G12S
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
M
G12S
90
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