NTCASCWE3 www.vishay.com Vishay BCcomponents NTC Thermistors, Screw Threaded Sensors FEATURES • Easy mounting with screw • Rugged construction • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS • Temperature measurement, sensing and control • Suitable for surface temperature applications, especially when a good electrical insulation and a good thermal contact with the chassis is required DESCRIPTION QUICK REFERENCE DATA PARAMETER Resistance value at 25 °C VALUE UNIT 1K to 470K Tolerance on R25-value ± 1, ± 2, ± 5 % B25/85-value 3740 to 4570 K Tolerance on B25/85-value ± 0.5 to ± 2.5 % - 40 to + 100 °C Maximum power dissipation PACKAGING The thermistors are packed in cardboard boxes; the smallest packaging quantity is 100 units. DESIGN IN SUPPORT Operating temperature range at: Zero dissipation The thermistors are made of NTC ceramic material reflow soldered between two solid tinned copper or nickel wires and potted in the head of passivated aluminum srew size M4. 0 to + 55 Dissipation factor (1) 23 mW/K Maximum power dissipation 500 mW Thermal time constant (1) For complete Curve Computation, visit: www.vishay.com/resistors-non-linear/curve-computation-list MARKING The last 4 digits of the 12NC code are printed on the stud in accordance with the information in Electrical Data and Ordering Information table. 7.5 s Min. dielectric withstanding voltage between terminals and Al case 1500 (1 s) VAC Insulation resistance between terminals and Al case By means of a washer and M4 nut supplied with the device or in a threaded screw hole. Applied torque shall not exceed 1.2 Nm. Leads to be soldered or crimped. min. 100 M DIMENSIONS in millimeters 1.5 g Weight MOUNTING Notes • Other R25-values and tolerances are available upon request • Insulated leads available upon request (1) Measured with screw mounted on an aluminium heatsink of 100 cm2, thickness 1.5 mm, in still air at Tamb = + 25 °C 5.5 min. Ød M4 37 ± 3 8 ± 0.1 6.7 max. 8 max. Component outline ELECTRICAL DATA AND ORDERING INFORMATION R25 (k) 1.0 2.2 4.7 4.7 4.7 10 10 10 12 15 47 100 100 100 150 470 TOLERANCE ON R25 ±5% ±5% ±1% ±2% ±5% ±1% ±2% ±5% ±5% ±5% ±5% ±1% ±2% ±5% ±5% ±5% Revision: 18-Dec-12 B25/85-VALUE 3528K ± 0.5 % 3977K ± 0.75 % 3977K ± 0.75 % 3977K ± 0.75 % 3977K ± 0.75 % 3977K ± 0.75 % 3977K ± 0.75 % 3977K ± 0.75 % 3740K ± 1.5 % 3740K ± 1.5 % 4090K ± 1.5 % 4190K ± 1.5 % 4190K ± 1.5 % 4190K ± 1.5 % 4370K ± 2.5 % 4570K ± 2 % LEADS DIAMETER Ø d (mm) 0.6 0.6 0.5 0.5 0.6 0.5 0.5 0.6 0.6 0.6 0.6 0.5 0.5 0.6 0.6 0.6 TCR (%/K) - 3.87 - 4.37 - 4.37 - 4.37 - 4.37 - 4.37 - 4.37 - 4.37 - 4.10 - 4.10 - 4.46 - 4.57 - 4.57 - 4.57 - 4.75 - 4.95 SAP MATERIAL NUMBER AND ORDERING CODE NTCASCWE3102J NTCASCWE3222J NTCASCWE3472F NTCASCWE3472G NTCASCWE3472J NTCASCWE3103F NTCASCWE3103G NTCASCWE3103J NTCASCWE3123J NTCASCWE3153J NTCASCWE3473J NTCASCWE3104F NTCASCWE3104G NTCASCWE3104J NTCASCWE3154J NTCASCWE3474J OLD 12NC CODE 2381 640 73102 2381 640 73222 2381 640 75472 2381 640 74472 2381 640 73472 2381 640 75103 2381 640 74103 2381 640 73103 2381 640 73123 2381 640 73153 2381 640 73473 2381 640 75104 2381 640 74104 2381 640 73104 2381 640 73154 2381 640 73474 Document Number: 29065 1 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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