®
TOCOS
J9Series
P O T E N T I O M E T E R S
3/8” Square, Multi-Turn,Through-Hole Sealed Cermet Trimmers
Features
3/8” square, 20-turn, sealed cermet trimmers
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Excellent stability and low noise
Top or side adjust, vertical or horizontal mount
Single-slot, metal adjustment screw
Through-hole terminals, triangular or inline patterns
Sealed for wave soldering and immersion cleaning
Electrical
Standard Resistance Range . . . . . . . . . . . . . . . 10Ω to 2MΩ
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Standard Resistance Tolerance . . . 10% ( 20% for 50Ω)
End Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Ω max.
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . B = Linear
Peak Noise (C.R.V. Max.) . . . .1% or 1Ω, whichever is greater
Power Rating . . . . . . . . . . . . 0.5 watt at 85ꢂC, 0 watt at 125ꢂC
Mechanical
Mechanical Travel. . . . . . . . . . . . . . . . . . . . . 20 turns nominal
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Shaft Torque . . . . . . . . . . . . . . . 360.7 gf cm (5.0 oz in) max.
Stop Strength . . . . . . . . . . . . . . . . . . Clutch action, both ends
Flammability . . . . . . . . . . . . . . . . . . . . . . . . . . Meets UL94V-0
Nominal Weight. . . . . . . . . . . . . . . . . . . . . . . . 1.13g (0.04 oz.)
Maximum Input Voltage . . . . . . . . . . . 200VDC or rms not to
exceed power rating
Maximum Wiper Current . . . . . 100mA or within rated power,
whichever is less
Marking . . . . . . . . . . . Model type, resistance code, date code
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Temperature Coefficient . . . 100 ppm/ꢂC for 100Ω to 2MΩ
terminal identification and circuit diagram
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250 ppm/ꢂC for 10 to 50Ω
How To Order
Insulation Resistance . . . . . . . . . . . . . . . 1,000MΩ minimum
Dielectric Strength . . . . . . . . . . . . . . . . . . . . . . . . . 900 Vrms
Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . Essentially infinite
Adjustment Travel . . . . . . . . . . . . . . . . . . . . 20 turns nominal
J9
W
B
103
K
5. Resistance Tolerance
4. Resistance Code
3. Resistance Taper
2. Pin Style
Environmental
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Temperature Range . . . . . . . . . . . . . . . . . . ꢃ55ꢂC to 125ꢂC
1. TOCOS Series
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High Temperature Exposure . . . . . . . . . . 125ꢂC, 250 hours
1. Series Name: Indicates Basic Series Design
2. Pin Configurations: P, W, X,Y, Z (see diagrams)
3. Resistance Taper: B = Linear
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∆T/R
2%, S.S.
2%
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Load Life . . . . . . . . . . . . . . . . . . 70ꢂC, 0.5 watt, 1,000 hours
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∆T/R
2%
4. Standard Resistance: See Table for Codes.
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Thermal Shock . . . . . . . . . . . . . . ꢃ55ꢂC O 125ꢂC, 5 cycles
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5. Resistance Tolerance: K = 10%; M = 20% for 50Ω
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∆T/R
1%, S.S.
1%
Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . 6ms sawtooth, 100G
Standard Resistance Values and Ordering Codes
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∆T/R
1%, S.S.
1%
Nominal Resistance ( Ω ) Code Nominal Resistance ( Ω ) Code
Vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 20G, 10-2,000Hz,
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1%
10
20
50
100
200
100
200
500
101
201
501
102
202
502
10,000
20,000
25,000
103
203
253
503
104
204
254
504
105
205
∆T/R
1%, S.S.
Moisture Resistance . . . . . . . . . . . . . . . . . Ten 24 hour cycles
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∆T/R
1%, IR 1,000MΩ minimum
50,000
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1%
Soldering Heat Resistance . . . . 260ꢂC, 10 sec., ∆T/R
100,000
200,000
250,000
500,000
1,000,000
2,000,000
500
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Seal Test . . . . . . . . . . . . . . . . . . 85ꢂC, Fluorinert (no leaks)
1,000
2,000
5,000
Rotational Life . . . . . . . . . . .200 cycles without discontinuity
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∆T/R
3%
∆T/R = Total Resistance Change; S.S. = Setting Stability (voltage ratio)
IR = Insulation Resistance
See Reverse Side
TOCOSAMERICA,INC.
1177 East Tower Road, Schaumburg, Illinois 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales tocos.com www.tocos.com
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