B57421V2681J62 EPCOS Inc, B57421V2681J62 Datasheet - Page 5
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B57421V2681J62
Manufacturer Part Number
B57421V2681J62
Description
THERMISTOR NTC 680 OHM 5% 0805
Manufacturer
EPCOS Inc
Series
B574**V2r
Type
NTCr
Specifications of B57421V2681J62
Package / Case
0805 (2012 Metric)
Resistance In Ohms @ 25°c
680
Resistance Tolerance
±5%
B Value Tolerance
±3%
B25/50
3940K
B25/85
3980K
B25/100
4000K
Operating Temperature
-55°C ~ 125°C
Power - Max
210mW
Mounting Type
Surface Mount
Description Of Terminals
Leadless
Mounting Style
Surface Mount
Pin Count
2
Resistance @ 25c
680Ohm
Thermal Time Constant
10s
Percentage Of Resistance Tolerance @ 25c
±5
Product Length (mm)
2mm
Product Depth (mm)
1.25mm
Resistance
680 Ohms
Tolerance
5 %
Termination Style
SMD/SMT
Operating Temperature Range
- 55 C to + 125 C
Power Rating
210 MW
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
B0/50
-
B25/75
-
Lead Length
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
B57421V2681J 62
B57421V2681J062
B57421V2681J062
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
SMD NTC thermistors, case size 0805 (2012)
100.0
105.0
110.0
115.0
120.0
125.0
130.0
135.0
140.0
145.0
150.0
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
8500
B
R
63.917
45.889
33.344
24.504
18.201
13.657
10.347
7.9114
6.1019
4.7454
3.7198
2.938
2.3372
1.8722
1.5096
1.2249
1.0000
0.82111
0.67798
0.56279
0.46958
0.39374
0.33171
0.28073
0.23863
0.2037
0.17459
0.15022
0.12975
0.11247
0.097838
0.085396
0.074781
0.065691
0.057883
0.051153
0.045335
0.040289
0.0359
0.032071
0.028723
0.025786
25/100
T
/R
25
= 3650 K
6.8
6.5
6.3
6.1
5.8
5.6
5.5
5.3
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
3.1
3.0
3.0
2.9
2.8
2.8
2.7
2.6
2.6
2.5
2.4
2.4
2.3
2.3
2.2
2.2
2.1
(%/K) R
8501
B
56.633
41.134
30.209
22.42
16.807
12.721
9.7156
7.4854
5.8152
4.5537
3.5931
2.8558
2.2857
1.8416
1.4934
1.2184
1.0000
0.82537
0.68495
0.57139
0.47905
0.40358
0.34158
0.2904
0.24795
0.21259
0.183
0.15813
0.13715
0.11938
0.10427
0.091375
0.080333
0.070846
0.062666
0.055592
0.049454
25/100
T
/R
25
= 3550 K
Page 5 of 20
6.5
6.3
6.1
5.9
5.7
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
3.0
3.0
2.9
2.8
2.7
2.7
2.6
2.5
2.5
2.4
2.4
2.3
(%/K) R
8502
B
96.158
66.892
47.127
33.606
24.243
17.681
13.032
9.702
7.2923
5.5314
4.2325
3.2657
2.54
1.9907
1.5716
1.2494
1.0000
0.80552
0.65288
0.53229
0.43645
0.35981
0.29819
0.24837
0.20787
0.17479
0.14763
0.12523
0.10667
0.091227
0.078319
0.067488
0.058363
0.050647
0.044098
0.03852
0.033752
0.029663
0.026146
0.023111
0.020484
0.018203
25/100
T
/R
25
= 4000 K
7.4
7.1
6.9
6.6
6.4
6.2
6.0
5.8
5.6
5.4
5.3
5.1
4.9
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
3.2
3.1
3.0
2.9
2.9
2.8
2.7
2.7
2.6
2.6
2.5
2.4
2.4
2.3
(%/K)
B574**V2