B57045K472K EPCOS Inc, B57045K472K Datasheet - Page 5

• Manufacturer Part Number: B57045K472K
• Description: Thermistors - NTC 4.7k 3950 3%
• Manufacturer: EPCOS Inc
• Type: NTCr

Specifications of B57045K472K

• Mounting Style: Through Hole
• Pin Count: 2
• Resistance @ 25c: 4.7kohm
• Percentage Of Resistance Tolerance @ 25c: ±10
• Accuracy: ±3
• Product Depth (mm): 8mm
• Resistance: 4.7 KOhms
• Tolerance: 10 %
• Termination Style: Radial
• Operating Temperature Range: - 55 C to + 125 C
• Power Rating: 450 mW
• Lead Free Status / RoHS Status: 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
Probe assemblies
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
2005
B
R
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) R
2903
B
120.03
82.38
57.248
40.255
28.627
20.577
14.876
10.88
25/100
T
/R
8.0808
6.0612
4.5649
3.4708
2.6625
2.0599
1.6069
1.2631
1.0000
0.79593
0.63796
0.51467
0.41887
0.34272
0.28081
0.23141
0.19211
0.16027
0.13421
0.11288
0.095326
0.080828
0.068916
0.058989
0.050701
0.043735
0.037778
0.032736
0.028513
25
= 4200 K
Page 5 of 13
7.7
7.4
7.2
7.0
6.7
6.6
6.4
6.1
5.9
5.8
5.6
5.4
5.2
5.1
4.9
4.8
4.6
4.5
4.4
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.2
3.1
3.0
3.0
2.9
2.8
2.7
(%/K) R
2904
B
121.46
84.439
59.243
41.938
29.947
21.567
15.641
11.466
25/100
T
/R
8.451
6.2927
4.7077
3.5563
2.7119
2.086
1.6204
1.2683
1.0000
0.7942
0.63268
0.5074
0.41026
0.33363
0.27243
0.2237
0.18459
0.15305
0.12755
0.10677
0.089928
0.076068
0.064524
0.054941
0.047003
0.040358
0.034743
0.030007
0.026006
0.022609
0.01972
0.017251
0.015139
0.013321
0.011754
25
= 4300 K
7.4
7.2
7.1
6.9
6.7
6.6
6.3
6.2
6.0
5.9
5.7
5.5
5.3
5.1
5.0
4.8
4.7
4.6
4.5
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.3
3.2
3.1
3.0
3.0
2.9
2.8
2.8
2.7
2.6
2.6
2.5
2.5
(%/K)
B57045K
K45