B57891M0244J000 EPCOS Inc, B57891M0244J000 Datasheet - Page 6

• Manufacturer Part Number: B57891M0244J000
• Description: Thermistors - NTC 891/240 K/J 5% NTC Thermistor
• Manufacturer: EPCOS Inc
• Series: B57891Mr
• Type: NTCr

Specifications of B57891M0244J000

• Resistance: 240 KOhms
• Tolerance: 5 %
• Termination Style: Radial
• Dimensions: 3.5 mm Dia. x 6.5 mm L
• Lead Spacing: 2.5 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R/T characteristics
R/T No.
T ( C)
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement and compensation
Leaded NTC thermistors, lead spacing 2.5 mm
100.0
105.0
110.0
115.0
120.0
125.0
130.0
135.0
140.0
145.0
150.0
155.0
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
75.0
80.0
85.0
90.0
95.0
5.0
0.0
5.0
2003
B
R
97.578
67.65
47.538
33.831
24.359
17.753
13.067
9.7228
7.3006
5.5361
4.2332
3.266
2.5392
1.9902
1.5709
1.2492
1.0000
0.80575
0.65326
0.5329
0.43715
0.36064
0.29908
0.24932
0.20886
0.17578
0.14863
0.12621
0.10763
0.092159
0.079225
0.068356
0.059247
0.051531
0.044921
0.039282
0.034387
0.030186
0.02665
0.023594
0.020931
0.018616
0.016612
25/100
T
/R
25
= 3980 K
7.5
7.2
7.0
6.7
6.5
6.3
6.0
5.8
5.6
5.5
5.3
5.1
5.0
4.8
4.7
4.5
4.4
4.3
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.1
3.0
2.9
2.8
2.8
2.7
2.7
2.6
2.5
2.5
2.4
2.4
2.3
2.3
(%/K) R
2004
B
99.552
68.582
47.963
34.019
24.448
17.787
13.083
9.7251
7.316
5.5545
4.2531
3.2836
2.5512
1.9973
1.5738
1.2488
1.0000
0.8008
0.64733
0.52628
0.43263
0.35708
0.29406
0.24342
0.20278
0.16964
0.14257
0.12028
0.10196
0.086757
0.073804
0.062974
0.054276
0.046943
0.040576
0.035174
0.030637
25/100
T
/R
25
= 4100 K
Page 6 of 23
7.6
7.3
7.0
6.7
6.5
6.3
6.1
5.8
5.6
5.4
5.3
5.1
5.0
4.8
4.7
4.5
4.5
4.3
4.2
4.0
3.9
3.9
3.8
3.7
3.6
3.5
3.4
3.4
3.3
3.3
3.2
3.0
2.9
3.0
2.9
2.8
2.7
(%/K) R
2005
B
120.22
85.48
61.004
43.712
31.459
22.746
16.49
12.071
25/100
T
/R
8.8455
6.5446
4.8852
3.6781
2.7944
2.1391
1.6507
1.2823
1.0000
0.78393
0.61822
0.49053
0.39116
0.31371
0.25338
0.20565
0.16762
0.13726
0.11279
0.093053
0.077177
0.064263
0.053678
0.044996
0.037917
0.032063
0.027161
0.023079
0.01968
25
= 4600 K
7.0
6.9
6.8
6.7
6.6
6.6
6.4
6.3
6.1
6.0
5.8
5.6
5.4
5.3
5.1
5.1
5.0
4.8
4.7
4.6
4.5
4.3
4.2
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.6
3.5
3.4
3.4
3.3
3.2
3.2
(%/K)
B57891M
M891