Datenblatt-Suchmaschine für elektronische Bauteile |
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23226405 Datenblatt(PDF) 1 Page - Vishay Siliconix |
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23226405 Datenblatt(HTML) 1 Page - Vishay Siliconix |
1 / 6 page NTC Thermistors, Accuracy Line www.vishay.com For technical questions contact: nlr.europe@vishay.com Document Number: 29048 64 Revision: 15-Jun-04 2322 640 5.... Vishay BCcomponents FEATURES • Accurate over a wide temperature range (tolerance on B-value between 2.5% and 0.5%) • Good stability over a long life • Excellent price/performance ratio • Flexible leads • Low heat conductivity through 0.4 mm diameter Ni-leads APPLICATIONS • Temperature sensing and control. These thermistors have a negative temperature coefficient. The device consists of a chip with two tinned nickel leads and is colour coded. PACKAGING The thermistors are packed in cardboard boxes; the smallest packing quantity is 500 units. QUICK REFERENCE DATA Notes 1. Response time in silicone oil MS200/50. This is the time needed for the sensor to reach 63.2% of the total temperature difference when subjected to a temperature change from 25 °C in air to 85 °C in oil. 2. Valid for all types with the exception of 2322 640 5.474. PARAMETER VALUE Resistance value at 25 °C 2 to 470 kΩ Tolerance on R25-value ±5%; ±3%; ±2%; ±1% Tolerance on B25/85-value ±2.5 to 0.5% Maximum dissipation 100 mW Dissipation factor δ 2.2 mW/K Response time; note 1 ≈1.7 s Thermal time constant τ 13 s Operating temperature range at: zero dissipation (continuously) −40 to +125 °C zero dissipation (for short ≤150 °C maximum dissipation (100 mW) 0 to +55 °C Climatic category 40/125/56 Mass ≈0.11 g MARKING The thermistors are marked with coloured bands; see Dimentions and “Electrical data and ordering information” MOUNTING By soldering in any position. Notes 1. Extended range available on request. 2. Thermistors have a 12-digit catalog number starting with 2322 640 5; the next digit indicates the tolerance and the last 3 digits indicate the resistance value. R25 (kΩ) B25/85-VALUE CATALOG NUMBER 2322 640 5.... CODING (see dimensions) R25 ±5% R25 ±3% R25 ±2% R25 ±1% I II 2 3528 K ±0.5% 3202 6202 4202 5202 orange orange 2.7 3977 K ±0.75% 3272 6272 4272 5272 red red 4.7 3977 K ±0.75% 3472 6472 4472 5472 green green 5 3977 K ±0.75% 3502 6502 4502 5502 black white 10 3977 K ±0.75% 3103 6103 4103 5103 blue blue 12 3740 K ±2% 3123 6123 4123 − yellow yellow 22 3740 K ±2% 3223 6223 4223 − white white 47 4090 K ±1.5% 3473 6473 4473 − black black 68 4190 K ±1.5% 3683 6683 4683 − grey grey 100 4190 K ±1.5% 3104 6104 4104 5104 brown brown 470 4570 K ±1.5% 3474 6474 4474 − violet violet ELECTRICAL DATA AND ORDERING INFORMATION |
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