Datasheet

These are standard features; other specifi cations can always be studied on request.
Through-Hole SMD
Range of resistance values
Lin (A) 100Ω … 5MΩ 100Ω - 1MΩ
Log (B) Antilog (C) 1 KΩ … 2,2 MΩ 1KΩ - 1MΩ
100Ω … 1MΩ ±20% < 1MΩ ± 25%
Tolerance >1MΩ … 5MΩ ±30%
Special tolerances available on request Out of range:
Rn> 5MΩ: +50% -30%
Variation laws Lin (A), Log (B), Antilog (C) Other tapers available on request
Residual resistance
Lin (A), Log (B), Antilog (C) ≤ 5*10
-3
*Rn
Minimum value 2Ω
CRV - Contact Resistance Variation (dynamic) ≤3%Rn
CRV - Contact Resistance Variation (static) ≤5%Rn
Maximum power dissipation at 40º C.
Lin (A) 0,10W
No Lin (B, C) 0,06W
Maximum voltage at 40ºC
Lin (A) 100 VDC
No Lin (B, C) 60VDC
Operating temperature -25°C … +70°C
Temperature coeffi cient
100Ω - 10KΩ Æ +200/ -300 ppm. 100Ω - 100KΩ Æ +200/ -500 ppm.
>10KΩ - 5MΩ Æ +200/ -500 ppm >100KΩ - 1MΩ Æ +200/ -1000 ppm.
Electric Specifi cations
Through-Hole and SMD
Resistive element Carbon technology
Angle of rotation (mechanical) 235º ± 10º
Wiper position Middle position: 50% ± 15º
Angle of rotation (electrical) 215º ± 20º
Max. stop torque 4 Ncm
Max. push/pull on rotor 9,8 N
Wiper torque < 2 Ncm
Mechanical life 1000 cycles (more available on request)
Mechanical Specifi cations
Damp heat // 500 h. at 40°C and 95% RH // +5%; -2%
Thermal cycles // 16h at 85ºC, plus 2h at –25ºC // ±2,5%
Load life // 1.000 h. at 40°C // +0%; -5%
Mechanical life // 1000 cycles at 10 c.p.m. and at 23°C ± 2°C // ±3%
Soldering effect // 2 seconds at 350°C // ±1%
Storage (3 years) // at 23°C ± 2°C // ±3%
For further information on tests, go to TESTS AND RELIABILITY, on pages 10-11
Test
Test // Conditions // Typical variation of Nominal Resistance
CA6
18
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All specifi cations are given at 23°C ± 2°C and 50% ± 25% RH.
Weltron Elektronik GmbH - Phone: [phone] Fax: [phone] E-Mail: [e-mail] Internet: www.weltron.de
Weltron Elektronik GmbH - Phone: [phone] Fax: [phone] E-Mail: [e-mail] Internet: www.weltron.de