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Vishay NTC Thermistors
by Vishay
Vishay 640 series “accuracy line” colour coded NTC disc thermistors for general temperature sensing and control applications.
Body diameter: 4mm max.
Thickness: 2.5mm max.
Lead pitch: 2.5mm
RoHS compliant
View product specifications
Body diameter: 4mm max.
Thickness: 2.5mm max.
Lead pitch: 2.5mm
RoHS compliant
| Response time: | 1.2s | |
| Thermal time constant: | 11s | |
| Operating temperature range: | @ zero power: | -40°C to +125°C |
| @ maximum power: | 0°C to +55°C | |
| Dissipation factor: | 7mW/°C | |
| Maximum dissipation: | 500 mW | |
| Tolerance: | ±5% |
Pricing Options
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Product Specifications
| Specification | 577-205 | 577-209 | 577-211 | 577-213 | 577-214 | 577-215 |
|---|---|---|---|---|---|---|
|
B25/85
|
3977 ±0.75% | 3977 ±0.75% | 3977 ±0.75% | 3740 ±2% | 3740 ±2% | 4100 ±1.5% |
|
Initial Resistance
|
2K2 | 4K7 | 10K | 15K | 22K | 33K |