RJC26 Datasheet, PDF (1/3 Pages) TOCOSAMERICA, INC. – 1/4” Square, Multi-Turn, Through-Hole Sealed Cermet Trimmers

RJC26 Series
TOCOS®
POTENTIOMETERS
1/4” Square, Multi-Turn, Through-Hole Sealed Cermet Trimmers
Features
Ⅲ 1/4” square, multi-turn, through-hole, sealed cermet trimmers Ⅲ 11-turn design for more accurate setting
Ⅲ State-of-the-art brush contact design Ⅲ Stop-clutch action at ends of element Ⅲ Top and side adjust models
Ⅲ Meets UL 94V-0 flammability requirements Ⅲ Sealed to withstand wave soldering and immersion cleaning
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . 100Ω to 5MΩ
(standard 1, 2 & 5 sequence
plus 3MΩ rating)
Resistance Tolerance . . . . ؓ10% and ؓ20% (up to 2MΩ)
؀30%,؁20% (3MΩ and 5MΩ)
End Resistance . . . . . . . . . . 1% or 2Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.) . . . . . . 2% or 3Ω, whichever is greater
Power Rating . . . . . . . 0.25 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 1MΩ
ؓ250 ppm /؇C, other value
Insulation Resistance . . . . . 1,000MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . 600VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . 8.5 turnsؓ1
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . 11 turnsؓ1
Shaft Torque . . . . . . . . . . . . . . 200 gf• cm (2.77 oz • in) max.
Stop Strength . . . . . . . . . . . . . . . . . . . . . . . . . . Clutch action
Flammability of Plastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3g
Marking . . . . . . . . . . . . . . . . . . Resistance code, date code,
model type, terminal identification
Environmental
Temperature Range . . . . . . . . . . . . . . . . . ؁55؇C to ؀125؇C
Low Temperature Operation . . . . ؁55؇C, 0.25 watt, 1 hour
∆T/R ⁾ؓ2%
High Temperature Exposure . . . . . . . . . ؀125؇C, 250 hours
∆T/R ⁾ؓ2%, S.S. ⁾ؓ1%
Load Life . . . . . . . . . . . . . . . . ؀70؇C, 0.25 watt, 1,000 hours
∆T/R ⁾ؓ2%, S.S. ⁾ؓ3%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . ؁55؇C,؀125؇C,
30 minutes each, 5 cycles
∆T/R ⁾ؓ1%, S.S. ⁾ؓ1%
Shock . . . . . . . . . . . . 100G, 6ms, 6 directions, 3 times each
∆T/R ⁾ؓ1%, 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,
0.25 watt, 500 hours
∆T/R ⁾ؓ3%, S.S. ⁾ؓ1%
Moisture Resistance . . . . . . ؁10؇C to ؀65؇C, 80-98%RH,
0.25 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 . . . . . . . . . . 200 cycles without discontinuity
∆T/R ⁾ؓ5%)
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
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TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173 Tel: [phone] Fax: [phone] E-mail: [e-mail] www.tocos.com