The following typical test results (with 95% confidence) are given at 23ºC ±2ºC and 50% ±25% RH
| MCA14 Through-hole | MCE14 Through-hole | |||
|---|---|---|---|---|
| Test conditions | Typical variation of nominal resistance | Test conditions | Typical variation of nominal resistance | |
| Damp heat | 500 h. at 40°C and 95% RH | +5%, -2% | 500 h. at 40°C and 95% RH | ±2% |
| Thermal cycles | 16 h at 85ºC, plus 2 h at –25ºC | ±2.5% | 16 h at 90ºC, plus 2 h at –40ºC | ±2% |
| Load life | 1.000 h. at 50°C | +0%; -5% | 1.000 h. at 70°C | ±2% |
| Mechanical life | 1.000 cycles at 10 c.p.m. and at 23°C ± 2°C | ±3% | 1.000 cycles at 10 c.p.m. and at 23°C ± 2°C | ±2% |
| Storage (3 years) | 3 years at 23°C ± 2°C | ±3% | 3 years at 23°C ± 2°C | ±1% |
Power derating curve:
MCA14 Through-hole
MCE14 Through-hole
For temperatures out of range
The normal operation temperature for a carbon ACP potentiometer is -25ºC to +70ºC. When the temperature goes up to 85ºC, the following
variations should be observed:
| Load life | 1.000 h. at 50ºC | +0%; -6% | 1.000 h. at 85ºC | +0%; -15% |
The power derating curve to consider is:
Representation of the typical variation of nominal resistance (with 95% confidence) throughout the ohm value range:
Damp heat
MCA14 Through-hole
MCE14 Through-hole
Temperature Coefficient
MCA14 Through-hole
MCE14 Through-hole
Load life
MCA14 Through-hole
MCE14 Through-hole
Mechanical Life
MCA14 Through-hole
MCE14 Through-hole
