Datasheet B57891S (TDK) - 3
| Manufacturer | TDK |
| Description | NTC thermistors for temperature measurement in Disc, 4.5mm Dia x 4.5mm W package |
| Pages / Page | 27 / 3 — Temperature measurement and compensation. B57891S. Leaded NTC … |
| File Format / Size | PDF / 598 Kb |
| Document Language | English |
Temperature measurement and compensation. B57891S. Leaded NTC thermistors, lead spacing 2.5 mm. S891. Reliability data. Note
Model Line for this Datasheet
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Text Version of Document
Temperature measurement and compensation B57891S Leaded NTC thermistors, lead spacing 2.5 mm S891 Reliability data
Test Standard Test conditions ∆R25/R25 Remarks (typical) Storage in IEC Storage at upper < 3% No visible dry heat 60068-2-2 category temperature damage T: 155 °C t: 1000 h Storage in damp IEC Temperature of air: 40 °C < 1% No visible heat, steady state 60068-2-78 Relative humidity of air: 93% damage Duration: 56 days Rapid temperature IEC Lower test temperature: 55 °C < 2% No visible cycling 60068-2-14 Upper test temperature: 155 °C damage Number of cycles: 100 Endurance Pmax: 200 mW < 3% No visible t: 1000 h damage Long-term stability Temperature: 70 °C < 3% No visible (empirical value) t: 10000 h damage
Note
Contact of NTC thermistors with any liquids and solvents shall be prevented. It must be ensured that no water enters the NTC thermistors (e.g. through plug terminals). Avoid dewing and condensation unless thermistor is specified for these conditions. Please read Cautions and warnings and Page 3 of 27 Important notes at the end of this document. Document Outline Cover
Test Standard Test conditions ∆R25/R25 Remarks (typical) Storage in IEC Storage at upper < 3% No visible dry heat 60068-2-2 category temperature damage T: 155 °C t: 1000 h Storage in damp IEC Temperature of air: 40 °C < 1% No visible heat, steady state 60068-2-78 Relative humidity of air: 93% damage Duration: 56 days Rapid temperature IEC Lower test temperature: 55 °C < 2% No visible cycling 60068-2-14 Upper test temperature: 155 °C damage Number of cycles: 100 Endurance Pmax: 200 mW < 3% No visible t: 1000 h damage Long-term stability Temperature: 70 °C < 3% No visible (empirical value) t: 10000 h damage
Note
Contact of NTC thermistors with any liquids and solvents shall be prevented. It must be ensured that no water enters the NTC thermistors (e.g. through plug terminals). Avoid dewing and condensation unless thermistor is specified for these conditions. Please read Cautions and warnings and Page 3 of 27 Important notes at the end of this document. Document Outline Cover