Product Overview
The Epoxy-Coated Noise Immune Thermistors (NTC Type NKI) from Amphenol Advanced Sensors are designed to overcome the challenges of electromagnetic interference (EMI) in complex electric systems, particularly in modern vehicles. These NTC thermistors feature an integrated radio frequency (RF) decoupling function, providing component-level EMI protection across a wide frequency range. They offer a fast time response and serve as a drop-in upgrade for existing applications, reducing system costs by allowing the use of existing housing designs and eliminating the need for shielded cables. These sensors have been EMC-tested to GMW3097 / ISO11452 and are available with a range of conformal coatings.
Key applications include EV/HEV/PHEV markets, battery temperature sensing, existing automotive upgrades, drive systems, HVAC, and air intake/coolant monitoring.
Product Attributes
- Brand: Amphenol Advanced Sensors
- Product Line: Thermometrics
- Type: NTC Thermistor
- Coating Options: Epoxy, HTF1 (flexible silicone), CR1 (harsh environment)
- Testing: EMC-tested to GMW3097 / ISO11452
Technical Specifications
| R25 | Material System | B Value 25/85C | Tolerance | Part Number Code Example |
|---|---|---|---|---|
| 500 | 2 | 3540 | 1% | NKI#501C2*1^ |
| 500 | 2A | 3627 | 1% | NKI#501C2A*1^ |
| 500 | 7 | 3977 | 1% | NKI#501C7*1^ |
| 1000 | 2 | 3540 | 1% | NKI#102C2*1^ |
| 1000 | 2A | 3627 | 1% | NKI#102C2A*1^ |
| 1000 | 7 | 3977 | 1% | NKI#102C7*1^ |
| 2000 | 2 | 3540 | 1% | NKI#202C2*1^ |
| 2000 | 2A | 3627 | 1% | NKI#202C2A*1^ |
| 2000 | 7 | 3977 | 1% | NKI#202C7*1^ |
| 2700 | 1 | 3977 | 0.75% | NKI#272C1*1^ |
| 5000 | 4A | 3435 | 1% | NKI#502C4A*1^ |
| 5000 | 1 | 3977 | 0.75% | NKI#502C1*1^ |
| 10000 | 4A | 3435 | 1% | NKI#103C4A*1^ |
| 10000 | 5 | 3740 | 1% | NKI#103C5*1^ |
| 10000 | 1 | 3977 | 0.75% | NKI#103C1*1^ |
| 12000 | 5 | 3740 | 1% | NKI#123C5*1^ |
| 30000 | 8 | 3977 | 1% | NKI#303C8*1^ |
| 50000 | 8 | 3977 | 1% | NKI#503C8*1^ |
Operating Temperature: Epoxy 155C, HTF1 170C, CR1 190C.
Other values and tolerances available upon request.
For resistance-temperature data, please refer to Reference Guide AAS-913-318.
Ordering Information:
Replace # in the table codes with capacitor value: 10nF = 10NF, 100nF = 100NF.
Replace * in the table codes with packaging type: Loose-packed = R, Bandoliered = B.
Replace ^ in the table codes with coating type: Epoxy coating = E, CR1 harsh environment coating = C, HTF1 flexible silicone coating = H.
Example Coding:
- NKI10NF202C2B2H: 10nF capacitor, 2k resistance, Material System 2, Bandolier, 2% tolerance, HTF1 coating.
- NKI100NF502C1R5E: 100nF capacitor, 5k resistance, Material System 1, Loose-packed, 5% tolerance, Epoxy coating.
2411200143_Amphenol-NKI100NF103C1R5E_C17402005.pdf
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