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2322 641 2/3/4....
Vishay BCcomponents
NTC Thermistors, Special Long Lead Sensors
FEATURES
* Accurate over wide temperature range * High stability * Excellent price/performance ratio * High adhesive strength between PVC wire and the encapsulating laquer
APPLICATIONS
Temperature sensing and control These thermistors have a negative temperature coefficient.
QUICK REFERENCE DATA
PARAMETER VALUE Resistance value at 25 C (R25) 2.2 to 100 3 Tolerance on R25-value 1.5 or 0.75 Tolerance on B25/85-value Maximum dissipation 250 Dissipation factor: 2322 641 2.... 6.0 2322 641 3.... 8.0 2322 641 4.... 6.0 Response time; note 1: 7 2322 641 2.... 15 2322 641 3.... 10 2322 641 4.... Operating temperature range: -40 to +85 at zero dissipation at maximum dissipation 0 to +50 Climatic category 40/085/56 Lead wire; note 2 UL-2468.AWG24 wire Mass: 4 2322 641 2.... 6 2322 641 3.... 6 2322 641 4.... Notes UNIT k % % mW mW/K mW/K mW/K s s s C C
The epoxy-coated type (2322 641 2....) consists of a chip with UL wire and is lacquered and insulated with black epoxy. The sleeved type (2322 641 3....) and the brass-pipe type (2322 641 4....) are suitable for application in various environmental conditions.
MARKING
UL mark on wire, no mark on body.
PACKAGING
The thermistors are packed in cardboard boxes; each box containing 500 pcs.
g g g
1. Response time in silicone oil MS 200/50. 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. Wire length and wire type are optional on request. The products can be provided with a connector on request. 3. Tighter tolerances on R25 are available upon request.
ELECTRICAL DATA AND ORDERING INFORMATION
CATALOG NUMBER 2322 641 .....(2) R25 (k) 2.2 5 10 47 100 B25/85-VALUE 3977 K 0.75% 3977 K 0.75% 3977 K 0.75% 4090 K 1.5% 4190 K 1.5% EPOXY-COATED TYPE 26222 26502 26103 26473 26104 SLEEVED TYPE 36222 36502 36103 36473 36104 BRASS-PIPE TYPE 46222 - 46103 - 46104
Notes 1. Other values based on the 2322 640 0.... series are available on request. 2. The specified catalog numbers refer to products with L = 400 mm, without connector and adopt UL-2468.AWG24 wire. Document Number: 29060 Revision: 10-Oct-03 For technical questions contact: nlr.europe@vishay.com www.vishay.com 117
2322 641 2/3/4....
Vishay BCcomponents NTC Thermistors, Special Long Lead Sensors
DIMENSIONS in millimeters
Epoxy-coated type 2322 641 2....
6 max
52 17 + 3 - L
L = 400 mm +15/-0. Other wire lengths available on request.
Sleeved type 2322 641 3....
8 max
52 15 max 25 5 L
L = 400 mm +15/-0. Other wire lengths available on request.
Brass-pipe type 2322 641 4....
6 0.1 52 25 0.5 L
L = 400 mm +15/-0. Other wire lengths available on request.
DERATING
Power derating curve.
P (%) 100
0 40 0 55 85 Tamb ( o C) 125
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For technical questions contact: nlr.europe@vishay.com
Document Number: 29060 Revision: 10-Oct-03
2322 641 2/3/4....
NTC Thermistors, Special Long Lead Sensors
Vishay BCcomponents
R-T CHARACTERISTICS RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES
Tamb (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 R DUE TO B-TOLERANCE (%) 2.66 2.41 2.17 1.94 1.71 1.50 1.29 1.08 0.89 0.70 0.52 0.34 0.17 0.00 0.16 0.32 0.47 0.62 0.77 0.91 1.05 1.18 1.31 1.44 1.57 1.69 TC (%/K) 6.57 6.36 6.15 5.95 5.76 5.58 5.40 5.24 5.08 4.92 4.78 4.64 4.50 4.37 4.25 4.13 4.02 3.91 3.80 3.70 3.60 3.51 3.42 3.33 3.25 3.16 R25 (k) 2322 641 2/3/4 .....; see note 1 at end of tables .6222 73.06 52.78 38.55 28.44 21.20 15.95 12.11 9.275 7.162 5.575 4.372 3.454 2.747 2.200 1.773 1.438 1.173 0.9618 0.7932 0.6575 0.5478 0.4586 0.3857 0.3258 0.2764 0.2355 .6502 166.1 120.0 87.60 64.65 48.18 36.25 27.52 21.08 16.28 12.67 9.936 7.849 6.244 5.000 4.030 3.267 2.665 2.186 1.803 1.494 1.245 1.042 0.8765 0.7405 0.6282 0.5352 .6103 332.1 240.0 175.2 129.3 96.36 72.50 55.05 42.16 32.56 25.34 19.87 15.70 12.49 10.00 8.059 6.535 5.330 4.372 3.606 2.989 2.490 2.084 1.753 1.481 1.256 1.070
RT/R25
33.21 23.99 17.52 12.93 9.636 7.250 5.505 4.216 3.255 2.534 1.987 1.570 1.249 1.000 0.8059 0.6535 0.5330 0.4372 0.3605 0.2989 0.2490 0.2084 0.1753 0.1481 0.1256 0.1070
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES
Tamb (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 Document Number: 29060 Revision: 10-Oct-03 RT/R25 R DUE TO B-TOLERANCE (%) 5.55 5.02 4.52 4.03 3.56 3.10 2.67 2.24 1.84 1.44 1.07 0.70 0.34 0.00 0.33 0.66 0.98 1.28 1.59 1.88 TC (%/K) 6.55 6.34 6.15 5.96 5.78 5.61 5.45 5.29 5.14 4.99 4.85 4.72 4.59 4.46 4.34 4.23 4.12 4.01 3.91 3.81 R25 (k) 2322 641 2/3/4 ....; see note 1 at end of tables .6473 1589 1151 842.8 622.6 464.1 349.0 264.6 202.3 155.8 120.9 94.53 74.40 58.95 47.00 37.71 30.43 24.70 20.15 16.53 13.63 www.vishay.com 119
33.81 24.50 17.93 13.25 9.875 7.425 5.630 4.304 3.315 2.573 2.011 1.583 1.254 1.000 0.8024 0.6474 0.5255 0.4288 0.3518 0.2901
For technical questions contact: nlr.europe@vishay.com
2322 641 2/3/4....
Vishay BCcomponents
NTC Thermistors, Special Long Lead Sensors
Tamb (C) 60 65 70 75 80 85
RT/R25
R DUE TO B-TOLERANCE (%) 2.17 2.45 2.72 2.99 3.25 3.51
TC (%/K) 3.71 3.62 3.53 3.44 3.36 3.28
R25 (k) 2322 641 2/3/4 ....; see note 1 at end of tables .6473 11.30 9.404 7.865 6.607 5.573 4.721
0.2403 0.2001 0.1674 0.1406 0.1186 0.1004
RESISTANCE VALUES AT INTERMEDIATE TEMPERATURES
Tamb (C) -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Note 1. Replace dot in last 5 digits of catalog number by a number according to the following details: a) 2 for epoxy-coated type b) 3 for water-resistant type c) 4 for brass-pipe type. R DUE TO B-TOLERANCE (%) 5.69 5.15 4.63 4.13 3.65 3.18 2.73 2.30 1.88 1.48 1.09 0.72 0.35 0.00 0.34 0.67 1.00 1.32 1.63 1.93 2.22 2.51 2.79 3.06 3.33 3.59 TC (%/K) 6.70 6.49 6.29 6.10 5.92 5.74 5.57 5.41 5.26 5.11 4.97 4.83 4.70 4.57 4.45 4.35 4.22 4.11 4.00 3.90 3.80 3.71 3.62 3.53 3.45 3.36 R25 (k) 2322 641 2/3/4 ....; see note 1 .6104 3666 2638 1917 1406 1041 777.9 586.1 445.3 340.9 263.1 204.4 160.0 126.1 100.0 79.81 64.08 51.74 42.02 34.31 28.16 23.22 19.25 16.03 13.40 11.26 9.496
RT/R25
36.66 26.38 19.17 14.06 10.41 7.779 5.861 4.453 3.409 2.631 2.044 1.600 1.261 1.000 0.7981 0.6408 0.5175 0.4202 0.3431 0.2816 0.2322 0.1925 0.1602 0.1340 0.1126 0.09496
TESTS AND REQUIREMENTS STABILITY TESTS
IEC 68-2-1 539 68-2-3 68-2-14 CECC D3; 4.20.1 TEST endurance endurance endurance damp heat, steady state rapid change of temperature PROCEDURE 85 C; 1000 hours -40 C; 1000 hours 250 mW; 55 C; 1000 hours 56 days at 40 C; 90 to 95% RH -40 to +85 C; 50 cycles DRIFT REQUIREMENT R/R < 5% R/R < 5% R/R < 5% R/R < 7% R/R < 5%
D1; 4.19 C2; 4.14
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For technical questions contact: nlr.europe@vishay.com
Document Number: 29060 Revision: 10-Oct-03

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