NTCASCWE3 www.vishay.com Vishay BCcomponents NTC Thermistors, Screw Threaded Sensors FEATURES • Easy mounting with screw • Rugged construction • UL recognized, file E148885 (UL category XGPU2) • 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 VALUE UNIT 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 screw size M4. Resistance value at 25 °C 1K to 470K Tolerance on R25-value ± 1, ± 2, ± 5 % PACKAGING B25/85-value 3528 to 4570 K Tolerance on B25/85-value ± 0.5 to ± 2.5 % The thermistors are packed in cardboard boxes; the smallest packaging quantity is 100 units. DESIGN IN SUPPORT Operating temperature range at: Zero dissipation -40 to +100 Maximum power dissipation °C 0 to +55 For complete Curve Computation, visit: www.vishay.com/resistors-non-linear/curve-computation-list MARKING 23 mW/K Maximum power dissipation 500 mW Thermal time constant (1) 7.5 s Min. dielectric withstanding voltage between terminals and Al case 1500 (1 s) VAC 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. Insulation resistance between terminals and Al case min. 100 M DIMENSIONS in millimeters 1.5 g Dissipation factor (1) Weight 4 digits marking indicating resistance value and tolerance in accordance with the information in Electrical Data and Ordering Information table. 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: 23-Jun-14 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 MARKING CODE 102J 222J 472F 472G 472J 103F 103G 103J 123J 153J 473J 104F 104G 104J 154J 474J Document Number: 29065 1 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. 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