features ? designed for accurate temperature measurement, control and compensation ? tight tolerances on resistance and b value ? operation up to 311f (155c) with excellent stability ? small body size ? fast response ? epoxy resin provides voltage insulation ? suitable for automotive, hvac and white goods applications ? limited heat conduction along monel (copper nickel) lead-wires ? rohs compliant ntc type ndk thermometrics epoxy-coated chip thermistor description a range of epoxy-coated chips with bare 0.007 in (0.2 mm) tinned monel lead-wires. a mphenol advanced sensors
type ndk specifcations epoxy-coated chip thermistor r25 w material system b value 25/85c k maximum operating temperature f (c) code r25c 1% code r25c 2% code r25c 3% code r25c 5% code r25c 10% 1000 2 3540 1% 257 (125) ndk102c2r1 ndk102c2r2 ndk102c2r3 ndk102c2r5 ndk102c2r10 2000 2 3540 1% 257 (125) ndk202cr1 ndk202c2r2 ndk202c2r3 ndk202c2r5 ndk202c2r10 5000 2 3540 1% 257 (125) ndk502cr1 ndk502c2r2 ndk502c2r3 ndk502c2r5 ndk502c2r10 1000 2a 3627 1% 257 (125) ndk102c2ar1 ndk102c2ar2 ndk102c2ar3 ndk102c2ar5 ndk102c2ar10 2000 2a 3627 1% 257 (125) ndk202c2ar1 ndk202c2ar2 NDK202C2AR3 ndk202c2ar5 ndk202c2ar10 5000 2a 3627 1% 257 (125) ndk502c2ar1 ndk502c2ar2 ndk502c2ar3 ndk502c2ar5 ndk502c2ar10 2700 1 3977 0.75% 311 (155) ndk272c1r1 ndk272c1r2 ndk272c1r3 ndk272c1r5 ndk272c1r10 5000 1 3977 0.75% 311 (155) ndk502c1r1 ndk502c1r2 ndk502c1r3 ndk502c1r5 ndk502c1r10 10000 1 3977 0.75% 311 (155) ndk103c1r1 ndk103c1r2 ndk103c1r3 ndk103c1r5 ndk103c1r10 30000 1 3977 0.75% 311 (155) ndk303c1r1 ndk303c1r2 ndk303c1r3 ndk303c1r5 ndk303c1r10 50000 1 3977 0.75% 311 (155) ndk503c1r1 ndk503c1r2 ndk503c1r3 ndk503c1r5 ndk503c1r10 10000 4a 3436 1% 311 (155) ndk103c4ar1 ndk103c4ar2 ndk103c4ar3 ndk103c4ar5 ndk103c4ar10 12000 5 3740 1% 257 (125) ndk123c5r1 ndk123c5r2 ndk123c5r3 ndk123c5r5 ndk123c5r10 see separate tables for resistance - temperature data. aas-920-576b 09/2015 www.amphenol-sensors.com ? 2015 amphenol corporation. all rights reserved. specifcations are subject to change without notice. other company names and product names used in this document are the registered trademarks or trademarks of their respective owners. a mphenol advanced sensors options ? other resistance values within the ranges shown; e.g., code ndk152c2r1 for 1500 w 1% at 77f (25oc) in the range of 32f (0oc) up to the maximum operating temperature ? reference temperatures ? wire lengths 1.181 in to 23.62 in (30 mm to 600 mm) (1 mm or 2%, whichever is the greater) ? other wire materials data ? minimum operating temperature range: -40f to 311f (-40c to 155c) ? thermal time constant: <10s ? dissipation factor: 1.5 mw/k ? voltage insulation: 500 vdc ? packing/moq: 500/box ntc type ndk dimensions 0.195 in (5 mm) max 0.117 in (3 mm) max 0.095 in (2.4 mm) max 0.095 in (2.4 mm) max 2.5 in (65 mm) min ? 0.00787 in (0.2 mm)
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