shiyan@aolittel-china.com
Custom Made Epoxy-encapsulated NTC Thermistor 2.7KOhm 3977K 1% 500mW For Coolant Temperature Sensor 2.1-2.7KOhm At 20C
Applications
Temperature measurement, sensing and control,temperature compensation in industrial and consumer
electronics.
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Description
These thermistors have a negative temperature coefficient.
The device consists of a chip with two solid copper tin plated leads. It is grey lacquered and color coded, but not insulated.
Features
• Accuracy over a wide temperature range
• High stability over a long life
• Excellent price/performance ratio
• Wide resistance range
• Cost-effective
• Tinned copper leads
MOUNTING
By soldering in any position.
Not intended for potted applications.
Dimension (mm)
| NO | Material Name | Item/PN |
| a. | Element | R25=2.7KΩ±1% B25/85=3977K±1% |
| b. | Coating | Epoxy Resin (Black) |
| c. | Lead Wire | UL1332 AWG28 * 2C (Black) |
| NO | Item | Sign | Test Conditions | Min. | Normal value | Max. | Unit |
| 1. | Resistance at 25℃ | R25 |
Ta=25±0.05℃ PT≦0.1mw |
2.673 | 2.7 | 2.727 | kΩ |
| 2. | B Value | B25/85 | 3937 | 3977 | 4016 | k | |
| 3. | Dissipation factor | σ | Ta=25±0.5℃ | 2.5 | / | mw/℃ | |
| 4. | Time constant | τ | Ta=25±0.5℃ | / | / | 20 | sec |
| 5. | Insulation resistance | / | 500VDC | 100 | / | / | MΩ |
| 6. | Withstand voltage | / | 1500V AC (3mA) | 5 | / | / | Sec |
| 7. | Operating temp.range | / | / | -40 | / | +105 | ℃ |
