Features:
1. Wide operating temperature range, good stability and reliability.
2. Accurate testing can reflect temperature change precisely.
3. Insulating resistance(MΩ): over 100MΩ at DC500 V
The range of resistance under the rated zero power(R25): 0.1-1000k Ω
4. Working temperature range(°C): -50 ~+250°C
5. Thermal time constant(s): within 10-20 sec (in air)
6. The allowable tolerance of R25: F±1% G±2% H±3% J±5% K±10%
7. The range of B value : 3100-4500k
8. The allowable tolerance of B value: ±0.5% ±1% ±2%
9. Dissipation factor :≥ 2mW/°C( In Still Air)
10. Thermal time constant:≤20 S (In Still Air)
11.Rated Power:≤50m W