EPCOS B57891 User Manual
查询B57891S0103F008供应商
NTC thermistors for
temperature measurement
Leaded NTCs,
lead spacing 2.5 mm
Series/Type: B57891
Date: March 2006
© EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained thereinwithout EPCOS' prior express consent is prohibited.
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
Applications
Dimensional drawing
Heating systems
Automotive electronics
Features
Favorable price/ performance ratio
Rugged design, epoxy resin encapsulation
Leads: copper-clad Fe wire, tinned
UL approval (E69802)
Options
Lead spacing 5 mm available on request
Delivery mode
Bulk (standard),
cardboard tape, reeled or in Ammo pack
Dimensions in mm
Approx. weight 0.2 g
General technical data
Climatic category (IEC 60068-1) 55/155/56
Max. power (at 25 °C) P
200 mW
25
Resistance tolerance ∆RR/RR±1, ±3, ±5 %
Rated temperature T
Dissipation factor (in air) δ
Thermal cooling time constant (in air) τ
Heat capacity C
th
c
25 °C
R
approx. 4 mW/K
approx. 15 s
approx. 60 mJ/K
th
Electrical specification and ordering codes
R
25
Ω
No. of R/T
characteristic
B
K
25/100
Ordering code
2.2 k 1008 3560 ±1.5% B57891S0222+008
5 k
10 k
20 k
100 k
+ = Resistance tolerance
F = ±1%
H = ±3%
J = ±5%
Cautions and warnings at the end of this document.
2003 3980 ±1.0% B57891S0502+008
4901 3950 ±1.0% B57891S0103+008
2904 4300 ±1.0% B57891S0203+008
4003 4450 ±1.0% B57891S0104+008
Page 2 of 25Please read Important notes and
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
Reliability data
Test Standard Test conditions ∆R25/R
(typical)
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
< 3% No visible
T: 155 °C
t: 1000 h
Storage in damp
heat, steady state
IEC
60068-2-78
Temperature of air: 40 °C
Relative humidity of air: 93%
< 1% No visible
Duration: 56 days
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: 55 °C
Upper test temperature: 155 °C
< 2% No visible
Number of cycles: 100
Endurance P
: 200 mW
max
< 3% No visible
t: 1000 h
Long-term stability
(empirical value)
Temperature: 70 °C
t: 10000 h
< 3% No visible
Remarks
25
damage
damage
damage
damage
damage
Cautions and warnings at the end of this document.
Page 3 of 25Please read Important notes and
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
R/T characteristics
B57891S0222F008
R/T No. 1008
T (°C) B
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
= 3560 K, R25= 2200 Ω, TR= 25 °C, ∆RR/RR= ± 1%
25/100
R
[Ω] R
nom
116830 107930
86499 80383
64515 60293
48466 45537
36666 34627
27931 26506
21395 20398
16538 15837
12838 12346
10051 9706
7931 7689
6306 6137
5040 4922
4056 3975
3282 3228
2674 2638
2200 2178
1825 1801
1510 1485
1256 1232
1056 1033
[Ω] R
min
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
125730
92614
68738
51395
38706
29356
22392
17238
13329
10396
8173
6476
5157
4137
3337
2710
2222
1850
1535
1280
1079
7.6 1.2 6.1
7.1 1.2 6.0
6.5 1.1 5.8
6.0 1.1 5.7
5.6 1.0 5.5
5.1 0.9 5.4
4.7 0.9 5.2
4.2 0.8 5.1
3.8 0.8 4.9
3.4 0.7 4.8
3.1 0.7 4.7
2.7 0.6 4.5
2.3 0.5 4.4
2.0 0.5 4.3
1.7 0.4 4.1
1.4 0.3 4.0
1.0 0.3 3.9
1.3 0.4 3.8
1.6 0.4 3.7
1.9 0.5 3.6
2.2 0.6 3.5
50.0 892.0 870.3 913.7 2.4 0.7 3.4
55.0 751.7 731.5 771.9 2.7 0.8 3.3
60.0 636.9 618.3 655.6 2.9 0.9 3.2
65.0 543.7 526.5 560.9 3.2 1.0 3.1
70.0 466.0 450.2 481.9 3.4 1.1 3.1
75.0 400.3 385.8 414.8 3.6 1.2 3.0
80.0 345.0 331.7 358.2 3.8 1.3 2.9
85.0 299.0 286.9 311.1 4.1 1.4 2.8
90.0 260.1 249.0 271.2 4.3 1.5 2.8
95.0 227.5 217.3 237.6 4.5 1.7 2.7
100.0 199.6 190.3 208.9 4.6 1.8 2.6
105.0 175.2 166.7 183.7 4.8 1.9 2.6
110.0 154.2 146.5 162.0 5.0 2.0 2.5
115.0 136.2 129.1 143.2 5.2 2.1 2.4
120.0 120.5 114.0 127.0 5.4 2.3 2.4
125.0 107.2 101.2 113.1 5.5 2.4 2.3
130.0 95.51 90.05 101.0 5.7 2.5 2.3
135.0 85.19 80.18 90.19 5.9 2.6 2.2
Cautions and warnings at the end of this document.
Page 4 of 25Please read Important notes and
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
B57891S0222F008
R/T No. 1008
T (°C) B
= 3560 K, R25= 2200 Ω, TR= 25 °C, ∆RR/RR= ± 1%
25/100
R
[Ω] R
nom
[Ω] R
min
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
140.0 76.15 71.56 80.75 6.0 2.8 2.2
145.0 68.31 64.08 72.53 6.2 2.9 2.1
150.0 61.40 57.51 65.29 6.3 3.0 2.1
155.0 55.42 51.83 59.02 6.5 3.2 2.0
B57891S0222H008
R/T No. 1008
T (°C) B
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
= 3560 K, R25= 2200 Ω, TR= 25 °C, ∆RR/RR= ± 3%
25/100
R
[Ω] R
nom
116830 105590
86499 78653
64515 59002
48466 44568
36666 33893
27931 25947
21395 19971
16538 15507
12838 12090
10051 9505
7931 7530
6306 6011
5040 4821
4056 3894
3282 3162
2674 2584
2200 2134
1825 1764
1510 1455
1256 1207
1056 1012
[Ω] R
min
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
128060
94344
70028
52364
39439
29914
22820
17568
13585
10597
8332
6602
5258
4218
3403
2764
2266
1887
1565
1305
1100
9.6 1.6 6.1
9.1 1.5 6.0
8.5 1.5 5.8
8.0 1.4 5.7
7.6 1.4 5.5
7.1 1.3 5.4
6.7 1.3 5.2
6.2 1.2 5.1
5.8 1.2 4.9
5.4 1.1 4.8
5.1 1.1 4.7
4.7 1.0 4.5
4.3 1.0 4.4
4.0 0.9 4.3
3.7 0.9 4.1
3.4 0.8 4.0
3.0 0.8 3.9
3.3 0.9 3.8
3.6 1.0 3.7
3.9 1.1 3.6
4.2 1.2 3.5
50.0 892.0 852.4 931.5 4.4 1.3 3.4
55.0 751.7 716.5 787.0 4.7 1.4 3.3
60.0 636.9 605.5 668.3 4.9 1.5 3.2
65.0 543.7 515.6 571.8 5.2 1.6 3.1
70.0 466.0 440.9 491.2 5.4 1.8 3.1
75.0 400.3 377.8 422.8 5.6 1.9 3.0
80.0 345.0 324.8 365.1 5.8 2.0 2.9
85.0 299.0 280.9 317.1 6.1 2.1 2.8
90.0 260.1 243.8 276.4 6.3 2.3 2.8
Cautions and warnings at the end of this document.
Page 5 of 25Please read Important notes and
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
B57891S0222H008
R/T No. 1008
T (°C) B
= 3560 K, R25= 2200 Ω, TR= 25 °C, ∆RR/RR= ± 3%
25/100
R
[Ω] R
nom
[Ω] R
min
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
95.0 227.5 212.8 242.2 6.5 2.4 2.7
100.0 199.6 186.4 212.9 6.6 2.5 2.6
105.0 175.2 163.2 187.2 6.8 2.7 2.6
110.0 154.2 143.4 165.1 7.0 2.8 2.5
115.0 136.2 126.3 146.0 7.2 2.9 2.4
120.0 120.5 111.6 129.4 7.4 3.1 2.4
125.0 107.2 99.06 115.2 7.5 3.2 2.3
130.0 95.51 88.14 102.9 7.7 3.4 2.3
135.0 85.19 78.48 91.90 7.9 3.5 2.2
140.0 76.15 70.03 82.27 8.0 3.7 2.2
145.0 68.31 62.71 73.90 8.2 3.8 2.1
150.0 61.40 56.28 66.52 8.3 4.0 2.1
155.0 55.42 50.72 60.13 8.5 4.2 2.0
B57891S0222J008
R/T No. 1008
T (°C) B
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
= 3560 K, R25= 2200 Ω, TR= 25 °C, ∆RR/RR= ± 5%
25/100
R
[Ω] R
nom
116830 103260
86499 76924
64515 57712
48466 43598
36666 33160
27931 25389
21395 19543
16538 15176
12838 11833
10051 9304
7931 7372
6306 5884
5040 4720
4056 3813
3282 3096
2674 2531
2200 2090
1825 1728
1510 1425
1256 1182
1056
[Ω] R
min
991.1
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
130400
96074
71319
53334
40172
30473
23248
17899
13842
10798
8490
6728
5359
4300
3469
2817
2310
1923
1595
1330
1122
11.6 1.9 6.1
11.1 1.9 6.0
10.5 1.8 5.8
10.0 1.8 5.7
9.6 1.7 5.5
9.1 1.7 5.4
8.7 1.7 5.2
8.2 1.6 5.1
7.8 1.6 4.9
7.4 1.5 4.8
7.1 1.5 4.7
6.7 1.5 4.5
6.3 1.4 4.4
6.0 1.4 4.3
5.7 1.4 4.1
5.4 1.3 4.0
5.0 1.3 3.9
5.3 1.4 3.8
5.6 1.5 3.7
5.9 1.6 3.6
6.2 1.8 3.5
Cautions and warnings at the end of this document.
Page 6 of 25Please read Important notes and
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
B57891S0222J008
R/T No. 1008
T (°C) B
= 3560 K, R25= 2200 Ω, TR= 25 °C, ∆RR/RR= ± 5%
25/100
R
[Ω] R
nom
[Ω] R
min
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
50.0 892.0 834.6 949.4 6.4 1.9 3.4
55.0 751.7 701.5 802.0 6.7 2.0 3.3
60.0 636.9 592.8 681.1 6.9 2.1 3.2
65.0 543.7 504.7 582.7 7.2 2.3 3.1
70.0 466.0 431.5 500.5 7.4 2.4 3.1
75.0 400.3 369.8 430.8 7.6 2.6 3.0
80.0 345.0 317.9 372.0 7.8 2.7 2.9
85.0 299.0 274.9 323.1 8.1 2.8 2.8
90.0 260.1 238.6 281.6 8.3 3.0 2.8
95.0 227.5 208.2 246.7 8.5 3.1 2.7
100.0 199.6 182.4 216.9 8.6 3.3 2.6
105.0 175.2 159.7 190.7 8.8 3.4 2.6
110.0 154.2 140.3 168.1 9.0 3.6 2.5
115.0 136.2 123.6 148.7 9.2 3.8 2.4
120.0 120.5 109.2 131.8 9.4 3.9 2.4
125.0 107.2 96.92 117.4 9.5 4.1 2.3
130.0 95.51 86.23 104.8 9.7 4.3 2.3
135.0 85.19 76.77 93.60 9.9 4.4 2.2
140.0 76.15 68.51 83.80 10.0 4.6 2.2
145.0 68.31 61.35 75.27 10.2 4.8 2.1
150.0 61.40 55.05 67.75 10.3 5.0 2.1
155.0 55.42 49.61 61.24 10.5 5.1 2.0
B57891S0502F008
R/T No. 2003
T (°C) B
55.0
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
Cautions and warnings at the end of this document.
= 3980 K, R25= 5000 Ω, TR= 25 °C, ∆RR/RR= ± 1%
25/100
R
[Ω] R
nom
[Ω] R
min
487890 458880
338250 319530
237690 225460
169160 161090
121800 116420
88766 85153
65333 62889
48614 46950
36503 35365
27680 26898
21166 20628
16330 15959
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
516900
356980
249920
177230
127170
92378
67776
50278
37641
28463
21704
16701
Page 7 of 25Please read Important notes and
5.9 0.8 7.4
5.5 0.8 7.2
5.1 0.7 6.9
4.8 0.7 6.7
4.4 0.7 6.5
4.1 0.7 6.2
3.7 0.6 6.0
3.4 0.6 5.8
3.1 0.6 5.6
2.8 0.5 5.5
2.5 0.5 5.3
2.3 0.4 5.1
Temperature measurement B57891
Leaded NTCs, lead spacing 2.5 mm S891
B57891S0502F008
R/T No. 2003
T (°C) B
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
= 3980 K, R25= 5000 Ω, TR= 25 °C, ∆RR/RR= ± 1%
25/100
R
[Ω] R
nom
12696 12441
9951 9776
7855 7736
6246 6166
5000 4950
4029 3978
3266 3218
2665 2619
2186 2144
1803 1766
1495 1461
1247 1216
1044 1017
[Ω] R
min
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
12951
10126
7974
6326
5050
4080
3315
2710
2227
1841
1529
1277
1072
2.0 0.4 5.0
1.8 0.4 4.8
1.5 0.3 4.7
1.3 0.3 4.5
1.0 0.2 4.4
1.3 0.3 4.3
1.5 0.4 4.1
1.7 0.4 4.0
1.9 0.5 3.9
2.1 0.5 3.8
2.3 0.6 3.7
2.5 0.7 3.6
2.6 0.8 3.5
70.0 878.9 854.3 903.5 2.8 0.8 3.4
75.0 743.1 721.1 765.2 3.0 0.9 3.3
80.0 631.0 611.3 650.8 3.1 1.0 3.2
85.0 538.2 520.5 555.9 3.3 1.0 3.1
90.0 460.8 444.9 476.6 3.4 1.1 3.1
95.0 396.1 381.9 410.3 3.6 1.2 3.0
100.0 341.8 329.0 354.5 3.7 1.3 2.9
105.0 296.2 284.8 307.7 3.9 1.4 2.9
110.0 257.7 247.3 268.0 4.0 1.4 2.8
115.0 224.6 215.3 233.9 4.1 1.5 2.7
120.0 196.4 188.0 204.8 4.3 1.6 2.7
125.0 171.9 164.4 179.5 4.4 1.7 2.6
130.0 150.9 144.1 157.8 4.5 1.8 2.5
135.0 133.3 127.1 139.4 4.6 1.9 2.5
140.0 118.0 112.3 123.6 4.8 2.0 2.4
145.0 104.7 99.55 109.8 4.9 2.1 2.4
150.0 93.08 88.43 97.73 5.0 2.2 2.3
155.0 83.06 78.82 87.30 5.1 2.3 2.3
B57891S0502H008
R/T No. 2003
T (°C) B
55.0
50.0
45.0
Cautions and warnings at the end of this document.
= 3980 K, R25= 5000 Ω, TR= 25 °C, ∆RR/RR= ± 3%
25/100
R
[Ω] R
nom
[Ω] R
min
487890 449130
338250 312760
237690 220700
[Ω] ∆RR/RR[±%] ∆T[±°C] α (%/K)
max
526650
363750
254670
Page 8 of 25Please read Important notes and
7.9 1.1 7.4
7.5 1.0 7.2
7.1 1.0 6.9
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