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Numéro de référence | GV4 | ||
Description | Sealed Cermet Trimmers | ||
Fabricant | TOCOSAMERICA | ||
Logo | |||
1 Page
GV4 Series
TOCOS®
POTENTIOMETERS
4mm Surface Mount, Multi-Turn, Sealed Cermet Trimmers
Features
Ⅲ 4mm square SMD, multi-turn, sealed cermet trimmers Ⅲ Available in J-hook and gull-wing terminal configurations
Ⅲ Top or side adjustment, flush with housing Ⅲ Meets EIA, EIAJ, IPC, VECI standard SMD trimmer designs
Ⅲ Wide temperature range of 65؇C to 150؇C Ⅲ TCR = ؓ100ppm /؇C; Low CRV = 1% Ⅲ Tape and reel packaging
Ⅲ Designed for flow, reflow or infrared reflow soldering Ⅲ Sealed to withstand immersion cleaning processes
Specifications
Electrical
Standard Resistance Range . . . . . . . . . . . . . . 10Ω to 2MΩ
(standard 1, 2 & 5 sequence)
Resistance Tolerance . . . . . . . . . . . . . . . . . ؓ10% standard
End Resistance . . . . . . . . . . 1% or 2Ω, whichever is greater
Resistance Taper . . . . . . . . . . . . . . . . . . . . . . . . . . . . Linear
Peak Noise (C.R.V.) . . . . . . . 1% or 3Ω, whichever is greater
Power Rating . . . . . . . 0.25 watt at 85؇C; 0 watt at 150؇C
Maximum Input Voltage . . . . . . . . 300VDC or power rating,
whichever is smaller
Temperature Coefficient . . . . . . . . . . . . . . . . ؓ100 ppm /؇C
Insulation Resistance . . . . . . . 100MΩ minimum at 500VDC
Dielectric Strength . . . . . . . . . . . . . . . . . . 600VAC, 1 minute
Adjustment Travel . . . . . . . . . . . . . . . . . 12ؓ2 turns nominal
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . 13ؓ1 turns
Shaft Torque . . . . . . . . . . . . . . . 180 gf• cm (2.49 oz • in) max.
Stop Strength . . . . . . . . . . . . . . Clutch action or wiper idles
wwwF.DlaamtamShaebeilti4tUy .ocfomPlastic Materials . . . . . . . Meets UL 94V-0
Nominal Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2g
Marking . . . . . . . . . . . . Resistance value or code, date code
Environmental
Temperature Range . . . . . . . . . . . . . . . . . 65؇C to 150؇C
Low Temperature Operation . . . .65؇C, 0.25 watt, 2 hours
∆T/R )ؓ1%, S.S. )ؓ1%
High Temperature Exposure . . . . . . . . . 150؇C, 250 hours
∆T/R )ؓ2%, S.S. )ؓ1%
Load Life . . . . . . . . . . . . . . . . 85؇C, 0.25 watt, 1,000 hours
∆T/R )ؓ3% or ∆R = 3Ω, S.S. )ؓ2%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 65؇C,150؇C,
30 minutes each, 5 cycles
∆T/R )ؓ2%, 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. )ؓ2%
Moisture Resistance . . . . . . 10؇C to 65؇C, 80-98%RH,
0.25 watt, 10 cycles, 240 hours
∆T/R )ؓ3%
Soldering Heat Resistance . . . . 260؇C, 4 sec. in, 2 sec. out
∆T/R )ؓ1%
Seal Test . . . . . . . . . . . . . . . 85؇C, Fluorinert® for 1 minute
Rotational Life . . . 100 cycles (! 100Ω), 200 cycles (8100Ω)
without discontinuity, no load
∆T/R )ؓ3% or ∆R = 3Ω
∆T/R = Total Resistance Change; S.S. = Setting Stability ( voltage ratio )
®Fluorinert is a registered trademark of 3M Co.
TOCOS AMERICA, INC.
23
1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: [email protected] www.tocos.com
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Pages | Pages 6 | ||
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