FT thermistors are unlike any conventional thermistors, featuring fast response time, high heat resistance and reliability, realized through ultra-miniaturization. SEMITEC’S FT thermistors are fully compliant with RoHS DIRECTIVE2011/65/EU.
Office automation equipment, measuring instruments, medical equipment, security, LCDs, laser diode modules
| Part No. | R251 | R25Tolerance | B-value2 | Dissipation factor ｍW/℃ |
Thermal time constant s3 |
Rated power mW at 25℃ |
Operating Temperature range ℃ |
||
|---|---|---|---|---|---|---|---|---|---|
| 1:Pt | 2:Au/Ni | 3:Au | |||||||
| 103FT1005 | 10.00kΩ | ±5% | 3370K±1% | approx. 0.3 | approx. 1.0 | 1.5 | -40 〜 +250 (+350) |
-40 〜 +125 |
-40 〜 +250 |
| 3435K±1% | |||||||||
| 503FT1005 | 50.00kΩ | 3370K±1% | |||||||
| 3435K±1% | |||||||||
| 364FT1005 | 360.0kΩ | 3370K±1% | |||||||
1. Rated zero-power resistance at 25℃
2. B-value determined by rated zero-power resistance at 25℃ and 85℃
3. Time required to reach 63.2% of temperature difference. Measured in still air.
| Test | Details | Passing Criteria |
|---|---|---|
| Free fall | H = 0.75m (3 times on wooden board) | ΔR, ΔB±1% |
| Insulation resistance | DC100V | > 100MΩ |
Please contact us regarding attachment/mounting methods and handling.
Please contact us if you are considering a temperature range above specification (up to 350℃).
We also manufacture custom versions of the FT thermistor to better suit our customer's applications.