B57045K472K EPCOS Inc, B57045K472K Datasheet - Page 7

• 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
4001
B
R
88.052
61.65
43.727
31.395
22.802
16.742
12.367
9.2353
7.0079
5.3654
4.126
3.2
2.4986
1.9662
1.5596
1.2457
1.0000
0.80355
0.65346
0.53456
0.43966
0.36357
0.30183
0.25189
0.21136
0.17819
0.15089
0.12833
0.10948
0.093748
0.080764
0.069842
0.060455
0.052498
0.04574
0.039972
0.034984
25/100
T
/R
25
= 3950 K
7.3
7.0
6.8
6.5
6.3
6.2
6.0
5.6
5.4
5.4
5.2
5.0
4.9
4.7
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
3.1
3.0
2.9
2.9
2.9
2.8
2.7
2.7
2.6
(%/K) R
4003
B
103.81
73.707
52.723
37.988
27.565
20.142
14.801
10.976
25/100
T
/R
8.1744
6.1407
4.6331
3.5243
2.6995
2.0831
1.6189
1.2666
1.0000
0.78351
0.62372
0.49937
0.40218
0.32557
0.26402
0.21527
0.17693
0.14616
0.12097
0.10053
0.083761
0.070039
0.058937
0.049777
0.042146
0.035803
0.030504
0.026067
0.022332
0.019186
0.016515
0.014253
0.012367
0.010758
0.0093933
25
= 4450 K
Page 7 of 13
6.8
6.7
6.6
6.5
6.4
6.2
6.1
5.9
5.8
5.7
5.5
5.4
5.3
5.1
5.0
4.9
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.7
3.6
3.5
3.4
3.4
3.3
3.2
3.2
3.1
3.0
3.0
2.9
2.9
2.8
2.8
2.7
(%/K)
B57045K
K45