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NDU303C4R5 Datasheet(PDF) 2 Page - Amphenol Corporation |
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NDU303C4R5 Datasheet(HTML) 2 Page - Amphenol Corporation |
2 / 4 page Type HM Specifications Leadless chip thermistor Description Top and bottom electrode, uncoated chip thermistors without leads. Options Consult Thermometrics for availability of options • Other resistance values in the range of 100 Ω to 100 kΩ • Other tolerances • Other reference temperature • Gold electrodes suitable for wire bonding • Other sizes Data Thermal and Electrical Properties • Dissipation constant: (still air) 7 to 15 mW/K • Thermal time constant: (still air) 10 to 45 seconds • The thermal time constant and dissipation constant values are dependent upon the method of mounting. The above values represent the range of smallest to largest HM thermistor chips when soldering to an aluminum substrate 0.025 in (0.635 mm) thick using 2% silver solder.W Select appropriate part number below for resistance and temperature tolerance desired. R25°C Material System Width “W” in (mm) Length “L” in (mm) Thick “T” in (mm) R25° ± 5% R25° ± 10% 2252 F 0.070 (1.778) 0.070 (1.778) 0.010 (0.254) HM70NF232J HM70NF232K 2252 F 0.085 (2.159) 0.085 (2.159) 0.015 (0.380) HM85NF232J HM85NF232K 3000 F 0.060 (1.523) 0.060 (1.523) 0.010 (0.254) HM60NF302J HM60NF302K 3000 F 0.075 (1.904) 0.075 (1.904) 0.015 (0.380) HM75NF302J HM75NF302K 5000 F 0.050 (1.27) 0.050 (1.27) 0.010 (0.254) HM50NF502J HM50NF502K 5000 F 0.060 (1.523) 0.060 (1.523) 0.015 (0.380) HM60NF502J HM60NF502K 10000 F 0.035 (0.889) 0.035 (0.889) 0.010 (0.254) HM35NF103J HM35NF103K 10000 F 0.040 (1.016) 0.045 (1.1429) 0.015 (0.380) HM40NF103J HM40NF103K 10000 Y 0.045 (1.1429) 0.045 (1.1429) 0.010 (0.254) HM45NY103J HM45NY103K 10000 Y 0.055 (1.397) 0.055 (1.397) 0.015 (0.380) HM55NY103J HM55NY103K 30000 H 0.025 (0.635) 0.025 (0.635) 0.010 (0.254) HM25NH303J HM25NH303K 30000 H 0.030 (0.7619) 0.035 (0.889) 0.015 (0.380) HM30NH303J HM30NH303K 100000 Y 0.030 (0.7619) 0.030 (0.7619) 0.010 (0.254) HM30NY104J HM30NY104K 100000 Y 0.035 (0.889) 0.035 (0.889) 0.015 (0.380) HM35NY104J HM35NY104K T L W NTC Type HM dimensions |
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