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  Product List: ​ 1.U2 temperature sensor 1PCS     NTC film packaging thermistor 10 k, and 1%, and 3435 k parameters:   1. Model: AYN - MF5B fa - 103 - f - 103-25   2. The main parameters:   Resistance: 2.1 R25:10 k Ω plus or minus 1% (at25 ℃)   B value: 2.2 B25/85:3435 K + / - 1%   This is a calculated between 25 ℃ and 85 ℃   Dissipative coefficient 2.3:2.3 mW / ℃ (in air)   2.4 thermal time constant: 5 s (in air)   Power: 2.5 2.5 mW (at 25 ℃)   Working temperature: 2.6-30 to 90 ℃   NTC film packaging thermistor insulation test:   In the product outer insulation resistance value for more than 100 m Ω, dc voltage of 100 v when the insulation layer on the product will not be breakdown.   NTC film packaging thermistor electrical performance test:   1. The high temperature test:   In the product after environment is 90 ℃ + 2 ℃ for 1000 hours after this product variation can be controlled within + / - 1%.   2. The constant temperature and humidity test:   In the product through the environment humidity is 95% the environment temperature is 65 ℃ + 2 ℃ cases after 1000 hours, the variations in the product can be controlled within + / - 1%.   3. Low temperature test:   In the product after the environment temperature for - 30 ℃ + 3 ℃ for 1000 hours, this product variation can be controlled within + / - 1%.   4. Working status experiment:   Resistance after 1 ma constant current conditions, the product through the environment humidity is 95% the environment temperature is 65 ℃ + 2 ℃ cases after 1000 hours, the variations in the product can be controlled within + / - 1%.   5. Impact test:   In the product after environment - 30 ℃ + 3 ℃ for 30 minutes, and then placed at room temperature for 3 minutes.   To + 90 ℃ + 2 ℃ environment placed for 30 minutes. Then take out at room temperature for 3 minutes. Continuous loop 100 times. This product can change control within + / - 1%.   6. High temperature test:   In the product after dc to 1 ma current, ambient temperature to + 90 ℃, 1000 hours, this product variation can be controlled within + / - 1%.   NTC film packaging thermistor physical testing:   1. Tensile test:   Under the condition of product after 1 n pull time 10 + 1 s, this product colloid and wire connection will not fall off.   2. The free-fall testing:   After the position of the 1 m high the product, this product does not produce damage phenomenon.   3. The welding test:   In the product after 25 mm distance chip, the welding temperature is 235 ℃ plus or minus 10%, time of 1-0.5 s, variations in the product can be controlled within + / - 1%.