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NTC Thermistors, Accuracy Line

2322 640 3/4/6....

Vishay BCcomponents

https://www.sodocs.net/doc/1517170432.html, For technical questions contact: nlr.europe@https://www.sodocs.net/doc/1517170432.html,

Document Number: 29049

FEATURES

? Accuracy over a wide temperature range ? High stability over a long life ? Excellent price/performance ratio

APPLICATIONS

? Temperature sensing and control

These thermistors have a negative temperature coefficient.

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2322 640 3/4/6....

NTC Thermistors, Accuracy Line Vishay BCcomponents Document Number: 29049For technical questions contact: nlr.europe@https://www.sodocs.net/doc/1517170432.html, https://www.sodocs.net/doc/1517170432.html,

DERATING AND TEMPERATURE TOLERANCES

DIMENSIONS in millimeters PHYSICAL DIMENSIONS FOR RELEVANT TYPE

MARKING

The thermistors are marked with coloured bands; see

dimensions drawing and “Electrical data and ordering

information”.

MOUNTING

By soldering in any position.

2322 640 6.338 to 6.474.

CODE

NUMBER

2322 640

.....

B max d

max

L P T max

MIN.MAX.

6.338 to

6.221

5.00.6

±0.06

1.0 4.0 6.024

±1.5

2.54 4.0

6.331 to

6.474

3.3

±0.5

0.6

±0.06

? 2.0

±1.0

6.024

±1.5

2.54

3.0

Notes

1.Dependent upon R25-tolerance, the band IV is coloured as follows:

a)for R25±2%, band IV is coloured red

b)for R25±3%, band IV is coloured orange

c)for R25±5%, band IV is coloured gold

d)for R25±10%, band IV is coloured silver.

20003528 K ±0.5%4202620232022202red black red

22003977 K ±0.75%4222622232222222red red red

27003977 K ±0.75%4272627232722272red violet red

33003977 K ±0.75%4332633233322332orange orange red

47003977 K ±0.75%4472647234722472yellow violet red

68003977 K ±0.75%4682668236822682blue grey red

100003977 K ±0.75%4103610331032103brown black orange

120003740 K ±2%4123612331232123brown red orange

150003740 K ±2%4153615331532153brown green orange

220003740 K ±2%4223622332232223red red orange

330004090 K ±1.5%4333633333332333orange orange orange

470004090 K ±1.5%4473647334732473yellow violet orange

680004190 K ±1.5%4683668336832683blue grey orange

1000004190 K ±1.5%4104610431042104brown black yellow

1500004370 K ±2.5%4154615431542154brown green yellow

2200004370 K ±2.5%4224622432242224red red yellow

3300004570 K ±1.5%4334633433342334orange orange yellow

4700004570 K ±1.5%4474647434742474yellow violet yellow

R25

(?)

B25/85-VALUE

CATALOG NUMBER 2322 640 6....

COLOR CODE

(see dimensions

drawing and note 1)

R25 ±2%R25±3%R25 ±5%R25±10%I II III

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2322 640 3/4/6....

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Document Number: 29049

TEMPERATURE DEVIATION AS A FUNCTION OF THE AMBIENT TEMPERATURE.

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2322 640 3/4/6....

These thermistors have a narrow tolerance on the B-value,

the result of which provides a very small tolerance on the

nominal resistance value over a wide temperature range. For

this reason the usual graphs of R = f(T) are replaced by

Resistance Values at Intermediate Temperatures Tables,

together with a formula to calculate the characteristics with a

high precision.

FORMULAE TO DETERMINE NOMINAL

RESISTANCE VALUES

The resistance values at intermediate temperatures, or the

operating temperature values, can be calculated using the

following interpolation laws

(extended “Steinhart and Hart”):

(1)

(2)

where:

A, B, C, D, A1, B1, C1 and D1 are constant values

depending on the material concerned; see table below.

R ref is the resistance value at a reference temperature (in

this event 25 °C).

T is the temperature in K.

Formulae numbered (1) and (2) are interchangeable with an

error of max. 0.005 °C in the range 25 °C to 125 °C and

max. 0.015 °C in the range?40 °C to +25 °C.

DETERMINATION OF THE

RESISTANCE/TEMPERATURE DEVIATION

FROM NOMINAL VALUE

The total resistance deviation is obtained by combining the

‘R25-tolerance’ and the ‘resistance deviation due to

B-tolerance’.

When:

X = R25-tolerance

Y = resistance deviation due to B-tolerance

Z = complete resistance deviation,

then: or Z ≈ X + Y.

When:

TC = temperature coefficient

?T = temperature deviation,

then:

The temperature tolerances are plotted in the graphs on the

previous page.

Example: at 0 °C, assume X = 5%, Y = 0.89% and

TC = 5.08%/K (see T able ), then:

A NTC with a R25-value of 10 k? has a value of 32.56 k?

between ?1.17 and +1.17 °C.

R (T)R

=ref e

×A B T?C T

?D T3

()

T (R) = A1B1R

R ref

---------

ln C1ln2R

R ref

---------D1ln3

R ref

---------

??1–

Z1X

100

---------

??1Y

100

---------

??1

–

= 100

×%

?T Z

-------

Z15

100

---------

+10.89

100

-----------

–

100%

1.05 1.0089 1

–

{} 100% 5.9345% 5.93%

≈

()

×˙

?T Z

-------

5.93

5.08

----------- 1.167 °C 1.17

≈°C)

(

===

Notes

1.Temperature < 25 °C.

2.Temperature ≥25 °C.

2322 640 3/4/6....

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Document Number: 29049

2322 640 3/4/6....

5 2.0128 2.16?3.7120.13

10 1.6767 1.59?3.6016.77

15 1.4042 1.04?3.5014.04

20 1.18210.51?3.3911.82

25 1.00000.00?3.3010.00

300.85000.50?3.208.50

350.72590.98?3.117.26

400.6226 1.44?3.03 6.23

450.5363 1.89?2.94 5.36

500.4639 2.33?2.86 4.64

550.4029 2.75?2.78 4.03

600.3512 3.16?2.71 3.51

650.3073 3.56?2.64 3.07

700.2698 3.95?2.57 2.70

750.2377 4.32?2.50 2.38

800.2101 4.69?2.43 2.10

850.1864 5.04?2.37 1.86

900.1658 5.38?2.31 1.66

950.1479 5.72?2.25 1.48

1000.1323 6.05?2.20 1.32

1050.1187 6.36?2.14 1.19

1100.1068 6.67?2.09 1.07

1150.0964 6.98?2.040.96

1200.08717.27?1.990.87

1250.07907.56?1.94

0.79

1300.07177.84?1.900.72

1350.06538.11?1.850.65

1400.05968.37?1.810.60

1450.05458.63?1.770.55

1500.05008.89?1.730.50

T oper

(°C)

R T/R25

?R DUE TO

B-TOLERANCE

(%)

(%/K)

R25

(?)

2322 640 .....; see note 1 at end of tables

6.109

2322 640 3/4/6....

Vishay BCcomponents

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Document Number: 29049

500.4470 2.37?3.00 6.70550.3856 2.80?2.92 5.78600.3339 3.21?2.84 5.01650.2903 3.62?2.76 4.35700.2533 4.01?2.69 3.80750.2218 4.39?2.62 3.33800.1948 4.77?2.56 2.92850.1717 5.13?2.50 2.58900.1518 5.48?2.44 2.28950.1346 5.82?2.38 2.021000.1196 6.15?2.32 1.791050.1067 6.47?2.27 1.601100.0954 6.79?2.22 1.431150.08557.09?2.17 1.281200.07687.39?2.12 1.151250.06917.69?2.07 1.041300.06247.97?2.030.941350.05658.25?1.980.851400.05128.52?1.940.771450.04658.78?1.900.70150

0.0423

9.04

?.86

0.63

T oper (°C)R T /R 25

?R DUE TO B-TOLERANCE

(%)

TC (%/K)R 25(?)

2322 640 .....; see note 1 at end of tables

6.159

2322 640 3/4/6....

950.1346 6.00?2.38 2.96

1000.1196 6.34?2.32 2.63

1050.1067 6.68?2.27 2.35

1100.09547.00?2.22 2.10

1150.08557.32?2.17 1.88

1200.07687.62?2.12 1.69

1250.06917.93?2.07 1.52

1300.06248.22?2.03 1.37

1350.05658.50?1.98 1.24

1400.05128.78?1.94 1.13

1450.01659.06?1.90 1.02

1500.04239.32?1.860.93

T oper

(°C)

R T/R25

?R DUE TO

B-TOLERANCE

(%)

(%/K)

R25

(?)

2322 640 .....; see note 1 at end of tables

6.229

2322 640 3/4/6....

Vishay BCcomponents

NTC Thermistors, Accuracy Line

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Document Number: 29049

1400.04079.49?2.07 1.34 1.91 2.771450.03689.79?2.02 1.21 1.73 2.50150

0.0333

10.08

?1.98

1.10

1.56

2.26

T oper (°C)R T /R 25

?R DUE TO B-TOLERANCE

(%)

TC (%/K)R 25(?)

2322 640 .....; see note 1 at end of tables

6.339 6.479 6.689

2322 640 3/4/6....

Vishay BCcomponents

NTC Thermistors, Accuracy Line

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Document Number: 29049

?5 4.216 1.08 5.249.27511.3813.9119.8128.6742.160 3.2550.89 5.087.1628.79010.7415.3022.1432.565 2.5340.70 4.92 5.575 6.8428.36211.9117.2325.3410 1.9870.52 4.78 4.372 5.366 6.5589.34013.5119.8715 1.5700.34 4.64 3.454 4.239 5.1817.37810.6715.7020 1.2490.17 4.50 2.747 3.372 4.121 5.8698.49212.4925 1.0000.00 4.37 2.200 2.700 3.300 4.700 6.80010.00300.80590.16 4.25 1.773 2.176 2.660 3.788 5.4808.059350.65350.32 4.13 1.438 1.764 2.156 3.072 4.444 6.535400.53300.47 4.02 1.173 1.439 1.759 2.505 3.624 5.330450.43720.62 3.910.9618 1.180 1.443 2.055 2.972 4.372500.36050.77 3.800.79320.973 1.190 1.694 2.451 3.606550.29890.91 3.700.65750.8070.9863 1.405 2.032 2.989600.2490 1.05 3.600.54780.6720.8217 1.170 1.693 2.490650.2084 1.18 3.510.45860.5620.6879

0.9797 1.417 2.084700.1753 1.31 3.420.38570.4730.57850.8239 1.192 1.753750.1481 1.44 3.330.32580.3990.48870.6960 1.007 1.481800.1256 1.57 3.250.27640.3390.41460.59050.8544 1.256850.1070 1.69 3.160.23550.2890.35320.50310.7278 1.070900.09154 1.81 3.090.20140.2470.30210.43030.62250.9154950.07860 1.93 3.010.17290.2120.25940.36940.53450.78601000.06773 2.04 2.940.14900.1820.22350.31830.46070.67731050.05858 2.15 2.870.12890.1580.19330.27530.39830.58581100.05083 2.26 2.800.11180.1370.16770.23890.34570.50831150.04426 2.37 2.730.09740.11950.14610.20800.30100.44261200.03866 2.47 2.670.08510.10440.12760.18170.26290.38661250.03387 2.57 2.610.07450.09150.11180.15920.23030.33871300.02977 2.67 2.550.06550.08040.09820.13990.20240.29771350.02624 2.77 2.490.05770.07090.08660.12330.17840.26241400.02319 2.86 2.430.05100.06260.07650.10900.15770.23191450.02055 2.96 2.380.04520.05550.06780.09660.13980.2055150

0.01826

3.05

2.33

0.0402

0.0493

0.0603

0.0858

0.1242

0.1826

T oper (°C)R T /R 25

?R DUE TO B-TOLERANCE

(%)

TC (%/K)R 25(k ?)

2322 640 .....; see note 1 at end of tables 6.222 6.272 6.332 6.472 6.682 6.103

2322 640 3/4/6....

NTC Thermistors, Accuracy Line Vishay BCcomponents

Document Number: 29049For technical questions contact: nlr.europe@https://www.sodocs.net/doc/1517170432.html, https://www.sodocs.net/doc/1517170432.html, 350.67120.80 3.888.05410.0714.77

400.5543 1.19 3.77 6.6528.31512.20

450.4602 1.57 3.67 5.522 6.90310.12

500.3839 1.94 3.57 4.607 5.7598.447

550.3219 2.30 3.48 3.862 4.8287.081

600.2710 2.65 3.39 3.252 4.067 5.963

650.2293 2.99 3.30 2.751 3.439 5.044

700.1947 3.33 3.22 2.337 2.921 4.284

750.1661 3.66 3.14 1.993 2.492 3.654

800.1422 3.98 3.06 1.707 2.134 3.129

850.1223 4.29 2.99 1.467 1.834 2.690

900.1055 4.60 2.92 1.266 1.583 2.321

950.09135 4.90 2.85 1.096 1.370 2.010

1000.07937 5.19 2.780.9524 1.190 1.746

1050.06919 5.48 2.710.8302 1.038 1.522

1100.06050 5.76 2.650.72600.9075 1.331

1150.05307 6.04 2.590.63690.7961 1.168

1200.04670 6.31 2.530.56040.7005 1.027

1250.04121 6.57 2.470.49450.61810.9065 T oper

(°C)

R T/R25

?R DUE TO

B-TOLERANCE

(%)

(%/K)

R25

(k?)

2322 640 .....; see note 1 at end of tables

6.123 6.153 6.223

2322 640 3/4/6....

Vishay BCcomponents

NTC Thermistors, Accuracy Line

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Document Number: 29049

1050.05372 4.47 2.98 1.773 2.5251100.04635 4.70 2.92 1.530 2.1791150.04013 4.93 2.85 1.342 1.8861200.03485 5.15 2.79 1.150 1.6381250.03037 5.36 2.73 1.002 1.4271300.02654 5.57 2.670.8757 1.2471350.02326 5.78 2.610.7675 1.0931400.02044 5.98 2.550.67460.96081450.01802 6.18 2.500.59450.8468150

0.01592

6.37

2.44

0.5254

0.7483

T oper (°C)R T /R 25

?R DUE TO B-TOLERANCE

(%)

TC (%/K)R 25(k ?)

2322 640 .....; see note 1 at end of tables 6.333 6.473

2322 640 3/4/6....

NTC Thermistors, Accuracy Line Vishay BCcomponents

Document Number: 29049For technical questions contact: nlr.europe@https://www.sodocs.net/doc/1517170432.html, https://www.sodocs.net/doc/1517170432.html,

2322 640 3/4/6....

Vishay BCcomponents

NTC Thermistors, Accuracy Line

https://www.sodocs.net/doc/1517170432.html, For technical questions contact: nlr.europe@https://www.sodocs.net/doc/1517170432.html,

Document Number: 29049

25 1.0000.00 4.95330.0470.0300.78250.37 4.82258.2367.8350.61630.74 4.70203.4289.6400.4883 1.09 4.59161.1229.5450.3892 1.44 4.47128.4182.9500.3120 1.77 4.36103.0146.7550.2515 2.10 4.2683.00118.2600.2038 2.43 4.1567.2695.80650.1660 2.74 4.0654.7978.03700.1359 3.05 3.9644.8663.88750.1118 3.35 3.8736.9052.55800.09240 3.64 3.7830.4943.43850.07670 3.93 3.6925.3136.05900.06395 4.21 3.6121.1030.06950.05354 4.48 3.5317.6725.161000.04501 4.75 3.4514.8521.151050.03798 5.01 3.3712.5317.851100.03218 5.27 3.3010.7015.121150.02736 5.52 3.239.02912.861200.02335 5.77 3.167.70410.97125

0.01999

6.01

3.09

6.597

9.396

T oper (°C)R T /R 25

?R DUE TO B-TOLERANCE

(%)

TC (%/K)R 25(k ?)

2322 640 .....; see note 1 at end of tables 6.334 6.474

2322 640 3/4/6....

900.08042 3.85 3.28 5.4698.042

950.06837 4.10 3.21 4.649 6.837

1000.05835 4.35 3.13 3.968 5.835

1050.04998 4.59 3.06 3.399 4.998

1100.04296 4.82 2.99 2.921 4.296

1150.03705 5.05 2.92 2.519 3.705

1200.03206 5.28 2.86 2.180 3.206

1250.02783 5.50 2.80 1.892 2.783

T amb

(°C)

R T/R25

?R DUE TO

B-TOLERANCE

(%)

(%/K)

R25

(k?)

2322 640 .....; see note 1 at end of tables

6.683 6.104

Note to Resistance Values At Intermediate Temperature Tables

1.Replace dot in last 5 digits of catalog number by a number according to the following details and depending on tolerance on

required R25-value: 4 for a tolerance of ±2%; 6 for a tolerance of ±3%; 3 for a tolerance of ±5%; 2 for a tolerance of ±10%.

2322 640 3/4/6....

Vishay BCcomponents

NTC Thermistors, Accuracy Line

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Document Number: 29049

PACKAGING

TAPE SPECIFICATIONS

Note

1.Taped products with H= 45±1, are available on request.

2. D ≤5 max for 6404.338 to 221.

2322 640 3/4/6....

Note

1. D ≤5 max for 640 3. 338 to 640 4. 221.

2.T ≤4 max for 640

3. 338 to 640

4. 221.

2322 640 3/4/6....

Vishay BCcomponents

NTC Thermistors, Accuracy Line

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Document Number: 29049

Notes

1.For R 25 ≥ 100 k ? the drift requirement is ?R/R < 5%.

2.For R 25 from 2.2 k ? to 10 k ?, requirement is ±2% max.

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