Negative Temperature Coefficient Chip Thermistors Type NTC Series Type NTC Series Characteristics - Electrical NTC0603 NTC0805 Rated Power Max (mW) 63 125 Optimum Working Dissipation (mW) 0.4 1 Resistance Range (ohms) Min 4K7 100 Max 150K 150K Tolerance on Resistance (%) 5 10 5 10 Code Letter J K J K Selection Series See Table Constant See Table A range of NTC chip thermistors Tolerance on (%) 5 (3% available on request) offering high thermal sensitivity. Thermal Time Constant (sec) 24 Suitable for temperature compen- Thermal Dissipation Constant (mW/C) 1.2 1.5 sating circuits and other applica- Operation Temp. Range (C) -55 to +125 tions requiring a resistance Resistance to Soldering Heat 2% on both R25 and B that varies according to ambient temperature. Dimensions Key Features Two Package Sizes L a Suited to Automatic Pick and Place W Components supplied unmarked -55C to +125C t Temperature Range b Style L W t a b NTC0603 1.6 0.15 0.8 0.15 0.5 0.1 0.3 0.3 NTC0805 2.0 1.25 0.5 0.4 0.4 Typical Performance Graph 10,000,000 1,000,000 100,000 10,000 1,000 100 10 25 1 -40 -20 0 20 40 60 80 100 120125 Temperature (C) Literature No. 1773258 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 02-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified. Resistance (Ohms)Negative Temperature Coefficient Chip Thermistors Type NTC Series Resistance Value / Constant Resistance Value Constant 25C NTC0603 NTC0805 100 - - - - - 2750 150 - - - - - 2750 220 - - - - - 2750 330 - - - - - 2750 470 - - - - - 2750 680 - - - - - 2750 1K0 - - - - - 2750 1K5 - - - - - 3000 2K0 - - - - - 3000 2K2 - - - - - 3000 2K5 - - - - - 3000 3K0 - - - - - 3450 3K3 - - - - - 3450 4K7 3500 3450 5K0 3500 3450 6K8 3500 3850 10K 3700 4100 15K 3850 4100 20K 3950 4100 22K 3950 4100 30K 3950 4100 33K 3950 4100 47K 4100 4100 50K 3950 3950 68K 4100 4100 100K 4100 4100 150K 4100 4100 Derating 100 80 60 40 20 0 40 60 80 100 120 125 Ambient Temperature (C) Power Rating and Maximum Operating Temperature The power rating is specified at an ambient temperature of 25C. Under these conditions, the temperature of the thermistor element reaches its permitted maximum temperature of 125C. The thermistor should be derated linearly from 100% at +55C to zero at 125C as shown in the derating curve. Mounting The thermistors are suitable for automatic placement. Marking The components are supplied unmarked. Packaging Tape/reel - 5k pcs/reel. Literature No. 1773258 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com Issued: 02-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com otherwise specified. Percent Rated Power