Source: Vishay Intertechnology
High Accuracy AEC-Q200 Qualified NTC Leaded Thermistor
- Posted by doEEEt Media Group
- On February 17, 2021
- 0
Vishay Intertechnology introduces a new AEC-Q200 qualified NTC thermistor with PEEK-insulated, NiFe leads and a low thermal gradient.
Designed to withstand high temperatures up to +185 °C, the Vishay BCcomponents NTCLE350E4 delivers fast, high accuracy temperature measurement and sensing in a wide range of automotive applications.
Features
- The NiFe alloy of the sensor’s conductor wire features the lowest thermal conductivity available on the market
- The device dissipates almost no heat to the surrounding environment, allowing for high accuracy temperature measurement
- Other conductive materials, such as copper, can deviate by several degrees
- High adhesive strength between the device’s PEEK-insulated lead wires and encapsulating epoxy lacquer
- Improve reliability in high humidity conditions
- In electric traction motors, the device can be processed by potting or moulding into sensors for the protection of high current connectors
Benefits
- AEC-Q200 qualified
- High-temperature operation up to +185 °C
- PEEK-insulated, nickel-iron (NiFe) leads
- The low thermal gradient of less than 0.01 K/K (or 1 %)
- Small maximum bead size diameter of 2.4 mm
- Fast response time of 6 s in air
- Resistance at +25°C (R25) from 2.1 kΩ to 30 kΩ, with a tolerance down to 1 %
- Beta (B25/85) from 3435 K to 3984 K, with tolerance down to ± 0.5 %
- Maximum power dissipation of 100 mW
- Improved resistance to noxious gasses and acid
- RoHS-compliant
Applications
- Temperature measurement and sensing
- Engine coolant, fuel, and manifold air pressure (MAP / TMAP) sensors in combustion engines; electric traction motors; oil temperature sensors (OTS) in transmission systems and liquid-cool starter generator systems; exhaust gas recirculation (EGR) applications
- HVAC applications
Key Specifications
- R25: 2.1 kΩ to 30 kΩ
- R25 tolerance:1 %, 2 %, 3 %, 5 %
- B25/85: 3435 K to 3984 K
- B25/85tolerance: ± 0.5 % to ±1 %
- Maximum power dissipation at 55 °C: 100 mW
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