Datasheet
These are standard features; other specifi cations can be studied on request.
Range of resistance values
Lin (A) 100Ω ≤ Rn ≤ 5MΩ
Log (B) Antilog (C) 1 KΩ … 2,2 MΩ
Tolerance
100Ω … 1MΩ ±20%
Special tolerances available on request
>1MΩ … 5MΩ ±30%
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) 0,25W
No Lin (B, C) 0,13W
Maximum voltage at 40ºC
Lin (A) 250VDC
No Lin (B, C) 200VDC
Operating temperature -25°C … +70°C
Temperature coeffi cient
100Ω - 10KΩ Æ +200/ -300 ppm.
>10KΩ - 5MΩ Æ +200/ -500 ppm
CA14. Electric Specifi cations
These are standard features; other specifi cations can always be studied on request.
Range of resistance values
Lin (A) 100Ω ≤ Rn ≤ 5MΩ
Log (B) and Antilog(C) 1KΩ … 2,2MΩ
Tolerance
100Ω … 1MΩ ±20%
Special tolerances available on request
>1MΩ … 5MΩ ±30%
Out of range: Rn> 5MΩ: +50%, -30%
Lin (A)
Variation laws Log (B), Antilog (C) and other
tapers available on request
Residual resistance
Lin (A) ≤ 2Ω
CRV - Contact Resistance Variation (dynamic) ≤3%Rn
CRV - Contact Resistance Variation (static) ≤5%Rn
Maximum power dissipation at 70º C.
Lin (A) 0,7W
Non Lin (B, C) See note 1
Maximum voltage at 40ºC
Lin (A) 250VDC
Non Lin (B, C) See note 1
Operating temperature -40°C … +125°C
Temperature coeffi cient
±100ppm.
CE14. Electric Specifi cations
Note 1: Value depends on taper, please, inquire.
Resistive element Carbon technology
Angle of rotation (mechanical) 265º ± 5º
Wiper position Middle position: 50% ± 15º
Angle of rotation (electrical) 245º ± 20º
Max. stop torque 10 Ncm
Max. push/pull on rotor 50 N
Wiper torque
< 2,5 Ncm
(0,5 ... 3,5Ncm for pots. with detents)
Mechanical life
1000 cycles (more available on request)
(10.000 cycles for pots. with detents)
CA14. Mechanical Specifi cations
Resistive element Cermet
Angle of rotation (mechanical) 265º ± 5º
Wiper position Middle position: 50% ± 15º
Angle of rotation (electrical) 245º ± 20º
Max. stop torque 10 Ncm
Max. push/pull on rotor 50 N
Wiper torque
< 2,5 Ncm
(0,5 ... 3,5Ncm for pots. with detents)
Mechanical life
1000 cycles (more available on request)
(10.000 cycles for pots. with detents)
CE14. 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.
CA14. Test
Test // Conditions // Typical variation of Nominal Resistance
Damp heat // 500 h. at 40°C and 95% RH // ±2%
Thermal cycles // 16h at 90ºC, plus 2h at –40ºC // ±2%
Load life // 1.000 h. at 70°C // ±2%
Mechanical life // 1000 cycles at 10 c.p.m. and at 23°C ± 2°C // ±2%
Soldering effect // 2 seconds at 350°C // ±1%
Storage (3 years) // at 23°C ± 2°C // ±1%
For further information on tests, go to TESTS AND RELIABILITY on pages 10-11.
CE14. Test
Test // Conditions // Typical variation of Nominal Resistance
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All specifi cations are given at 23°C ± 2°C and 50% ± 25% RH.
Weltron Elektronik GmbH - Phone: +49 (0) 98 52/ 67 27-0 Fax: +49 (0) 98 52/ 67 27-67 E-Mail: info@weltron.de Internet: www.weltron.de
Weltron Elektronik GmbH - Phone: +49 (0) 98 52/ 67 27-0 Fax: +49 (0) 98 52/ 67 27-67 E-Mail: info@weltron.de Internet: www.weltron.de