NK123C5R2 Amphenol

NTC Type NK Thermometrics Epoxy-Coated Chip Thermistor Description Features A range of NTC chip thermistors with tin coated Designed for accurate temperature steel wires and epoxy resin coating. measurement, control and compensation Tight tolerances on resistance and B value Operation up to 311F (155C) with excellent stability Small body diameter Fast response Suitable for automotive, HVAC and white goods applications Available on bandolier to IEC 286-2 RoHS compliant Amphenol Advanced SensorsType NK 0.27 in (7 mm) 0.0975 in (2.5 mm) nom max Specifications 3 mm max Chip thermistor with solder-coated wires 0.195 in (5 mm) max 0.0195 in (0.5 mm) Ordering Information 3 mm max Replace * in the codes shown above as follows: 1.56 in (40 mm) min Loose-packed: R NTC Type NK Dimensions Bandoliered: B Data Options Minimum operating temperature: -40F (-40C) Other resistance values within the ranges shown Maximum operating temperature: See table e.g. code NK701C2*2 for 700 W 2% at 77F Thermal time constant: 15s (cooling), 2.45 (25C) (ambient change) Reference temperatures other than 77F (25C) Dissipation factor: 2.2 mW/K Wire lengths 0.47 in to 1.57 in (12 mm to 40 Mass: 0.00040 lbs (0.18 g) mm) (1 mm) Packing/MOQ: 5,000/box (loose) 10,000/reel (bandoliered) R25 Material B Value Maximum Code Code Code Code Code W System 25/85C Operating R25C 1% R25C 2% R25C 3% R25C 5% R25C 10% K Temperature F (C) 500 2 3540 1% 257 (125) NK501C2*2 NK501C2*3 NK501C2*5 NK501C*R10 500 2A 3627 1% 257 (125) NK501C2A*2 NK501C2A*3 NK501C2A*5 NK501C2A*10 1000 2 3540 1% 257 (125) NK102C2*2 NK102C2*3 NK102C2*5 NK102C2*10 1000 2A 3627 1% 257 (125) NK102C2A*2 NK102C2A*3 NK102C2A*5 NK102C2A*10 2000 2 3540 1% 257 (125) NK202C2*2 NK202C2*3 NK202C2*5 NK202C2*10 2000 2A 3627 1% 257 (125) NK202C2A*2 NK202C2A*3 NK202C2A*5 NK202C2A*10 2200 1 3977 0.75% 311 (155) NK222C1*1 NK222C1*2 NK222C1*3 NK222C1*5 NK222C1*10 2700 1 3977 0.75% 311 (155) NK272C1*1 NK272C1*2 NK272C1*3 NK272C1*5 NK272C1*10 5000 1 3977 0.75% 311 (155) NK502C1*1 NK502C1*2 NK502C1*3 NK502C1*5 NK502C1*10 5000 4A 3436 1% 311 (155) NK502C4A*1 NK502C4A*2 NK502C4A*3 NK502C4A*5 NK502C4A*10 10000 1 3977 0.75% 311 (155) NK103C1*1 NK103C1*2 NK103C1*3 NK103C1*5 NK103C1*10 10000 4A 3436 1% 311 (155) NK103C4A*1 NK103C4A*2 NK103C4A*3 NK103C4A*5 NK103C4A*10 10000 5 3740 1% 311 (155) NK103C5*1 NK103C5*2 NK103C5*3 NK103C5*5 NK103C5*10 12000 5 3740 1% 311 (155) NK123C5*1 NK123C5*2 NK123C5*3 NK123C5*5 NK123C5*10 30000 8 3977 1% 311 (155) NK303C8*1 NK303C8*2 NK303C8*3 NK303C8*5 NK303C8*10 50000 8 3977 1% 311 (155) NK503C8*1 NK503C8*2 NK503C8*3 NK503C8*5 NK503C8*10 See separate tables for resistance - temperature data. www.amphenol-sensors.com Amphenol 2018 Amphenol Corporation. All Rights Reserved. Specifications ar e subject to change without notice. Other company names and product names used in this document are the registered trademarks or Advanced Sensors trademarks of their respective owners. AAS-920-573D 02/2018