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| 2322 640 90004/98004 Vishay BCcomponents NTC Thermistors, Molded Range FEATURES * Designed for harsh environments * Excellent for surface temperature measurement * Metal strip for heat conduction and easy mounting (2322 640 98004) * High accuracy at 100 C * Minimum 350 V dielectric withstanding voltage APPLICATIONS High temperature measurement control: QUICK REFERENCE DATA VALUE PARAMETER Resistance value at: +25 C +100 C Tolerance on R25-value: +25 C +100 C B25/85-value Temperature coefficient Maximum dissipation Dissipation factor when mounted on a heatsink; note 1 Thermal time constant when mounted on a heatsink; note 2 Heat capacity of ceramic (in air) when mounted on a heatsink Response time; note 2 Operating temperature range: at zero dissipation at maximum dissipation Dielectric withstanding voltage (RMS) between terminals and coating Insulation resistance between terminals and coating at 100 V (DC) Mass Notes 1. Measurements made in still air with the thermistor mounted on a heatsink of 100 cm2, thickness 1.5 mm, connected between phosphor-bronze wires (1.3 mm). 2. The thermistor being transferred from ambient air of +25 C to a silicone oil (MS200/50) bath of 85 C. -10 to +125 C 0 to +55 C 7% 5% 3750 K -4.2%/K 0.25 W 7 mW/K 19 mW/K 19 s 10 s 0.028 J/K 0.13 J/K 3s 9.5 mW/K 27 mW/K 33 s 5s 0.028 J/K 0.3 J/K 12 k 950 2322 640 90004 2322 640 98004 DESCRIPTION Molded chip thermistor with negative temperature control and two solid tinned nickel leads. The body color is white and the device is non-flammable. The thermistor 2322 640 98004 is provided with a metal strip for mounting. MARKING The thermistors are marked with a grey dot. MOUNTING 2322 640 90004: by soldering in any position 2322 640 98004: by means of the mounting strip. PACKAGING The thermistors are packed in cardboard boxes: 2322 640 90004: 500 units 2322 640 98004: 400 units. DIMENSIONS in millimeters 4 0.2 2.5 0.2 18 0.2 0.6 R 1.25 3.6 0.4 4.4 0.2 min. 350 V 0.3 g 0.5 g 21 0.1 27 2 min. 100 M 8 0.2 dia0.6 0.6 0.06 2.54 0.3 2.54 0.3 5.3 0.4 Component outline 2322 640 90004. www.vishay.com 132 For technical questions contact: nlr.europe@vishay.com Document Number: 29067 Revision: 10-Oct-03 |
Price & Availability of 232264098004
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