Vishay has extended its TNPU e3 series of automotive-grade precision thin-film flat chip resistors with devices offering an improved temperature coefficient of resistance of as little as ±2 ppm/K.
Supplied in 0603, 0805, and 1206 case sizes and in resistance values from 500 Ω to 20 kΩ, the TNPU e3 series is notable for its excellent long-term stability: the permitted maximum resistance change is ≤0.05% after 1,000 hours of operation at rated power and 70°C.
These resistors also offer attractive tolerance of resistance values of as little as ±0.02% to provide for increased accuracy in operational amplifier and sensor circuits.
| Product Series | Temperature Coefficient of Resistance | Tolerance of Resistance | Resistance Range |
| TNPU0603 e3 | ± 10 ppm/K | ±0.05% | 100 Ω to 100 kΩ |
| ± 5 ppm/k | ±0.1% | ||
| ±0.05% | |||
| ±0.02% | |||
| ± 2 ppm/K | ±0.1% | 500 Ω to 20 kΩ | |
| ±0.05% | |||
| ±0.02% | |||
| TNPU0805 e3 | ± 10 ppm/K | ±0.05% | 100 Ω to 332 kΩ |
| ± 5 ppm/K | ±0.1% | ||
| ±0.05% | |||
| ±0.02% | 100 Ω to 332 kΩ | ||
| ± 2 ppm/K | ±0.1% | 500 Ω to 20 kΩ | |
| ±0.05% | |||
| ±0.02% | |||
| TNPU1206 e3 | ± 10 ppm/K | ±0.05% | 100 Ω to 511 kΩ |
| ± 5 ppm/K | ±0.1% | ||
| ±0.05% | |||
| ±0.02% | 100 Ω to 200 kΩ | ||
| ± 2 ppm/K | ±0.1% | 500 Ω to 20 kΩ |
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