南京时恒电子科技有限公司
规格承认书
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SHEET
客户名称:
CUSTOMER
深圳立创电子商务 20161011010
产品名称:
PART NAME
MF58 玻壳测温型 NTC 热敏电阻器
产品规格:
PART NUMBER
MF58-104 J3950 (UL: E240991)
日期:
DATE
2016 年 10 月 11 日
确
认
CONFIRM
客户
品保部:
制造部:
供货商/制造商
规格书制作:
鞠晓丽
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工程部:
生产部审核:
南京时恒电子科技有限公司
地址:南京市江宁区湖熟镇金阳路 18 号
TEL:025-52121868
Http: //www.shiheng.com.cn
邮编:211121
FAX:025-52122373
E-MAIL:sales@shiheng.com.cn
MF58 玻壳测温型 NTC 热敏电阻器
型号:MF58-104J3950
南京时恒电子科技有限公司
本规格书提供了南京时恒电子科技有限公司生产的 MF58 系列 NTC 热敏电阻的结
构尺寸、产品性能、试验条件、使用要求的描述,敬请贵司确认。
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时间:
1.电气性能
项目
符号
测试条件
单位
性能要求
1.1
25℃的零功率电阻值
R25
Ta=25±0.05℃ 测试功率≤0.1mw
KΩ
100KΩ±5%
1.2
B值
B25/50
B=[(Ta×Tb)/(Tb-Ta)]×ln(Ra/Rb)
Tb=50℃±0.05℃
K
3950±1%
1.3
1.4
1.5
1.6
1.7
1.8
1.9
1.10
耗散系数
δ
静止空气中
mW/℃
≥2
时间常数
耐电压
绝缘电阻
工作温度范围
最大额定功率
阻温特性
阻值误差
τ
/
/
/
Pmax
/
/
静止空气中
1500V/AC 1min
500V/DC 1min
/
/
/
/
sec
/
MΩ
℃
mW
/
/
≤20
无击穿或飞弧
≥500
-55~ 195
50
见附表 1
见附表 2
2.可靠性
4.外形尺寸:
(单位:mm)
项目
2.1 引出端强度
2.2 可焊性
2.3 耐焊接热
2.4 稳态湿热
2.5 温度快速
变化
2.6 高温储存
2.7 低温储存
测试条件及方法
固定电阻端,拉力:10±1 N,
时间:10±1 秒
温度 245±5℃ 时间 2-3 秒
锡锅温度:260±5℃,浸入深
度距电阻体 6mm,时间 5±1
秒
温度:40℃±2℃,湿度:93±
2%,时间:500 小时
-55℃30min→25℃5min→
195℃30min→25℃5min,反复 5
次
温度: 195℃±5℃,
时间:1000 小时
温度: -55℃±5℃,
时间:1000 小时
技术要求
无可见性损伤
R25 ΔR/R≤±2%
着锡面积≥95%
R25 ΔR/R≤±2%
R25 ΔR/R≤±2%
R25 ΔR/R≤±2%
序号
名称
材料规格
数量
1
元件
NTC 热敏电阻(芯片)
1
2
3
外壳
导线
玻璃
Φ0.5±0.05 镀锡钢线
1
2
R25 ΔR/R≤±2%
R25 ΔR/R≤±2%
5.产品型号说明
MF58
3、使用注意事项
备注
104
J
3950
②
③
④
①
3.1 本产品的用途:温度测量与控制;
① MF58:玻壳测温型 NTC 热敏电阻
3.2 避免流过热敏电阻芯片的电流引起元件自身发热而产生测量误差;
② 104: 25℃的零功率电阻值 100KΏ
3.3 烙铁焊接时,焊接处距玻壳端距离至少 2mm,焊接温度应低于
③ J:阻值精度代码 F-±1% G-±2% H-±3% J-±10%
④ 3950:B25/50 值 3950K
360℃,焊接时间<3ses;
3.4 若引线弯曲时,弯曲点应距玻壳端 2mm 以上,以免造成玻壳损伤;
6、认证
3.5 储存温度:-10℃ ~ 40℃;储存湿度:≤75% RH;
6.1 质量管理体系认证
3.6 避免存放在具有腐蚀性气体及光照的环境下;
3.7 包装打开后需重新密封保存。
ISO9001:2008
(01115Q20270R5M)
ISO/TS16949:2009
6.2 环境管理体系认证
6.3 环保检测报告
6.4
(0192416)
ISO14001:2004 (01113E20060R2M)
ROH S
产品 CQC 认证
(CQC09001033986)
6.5
江苏省高新技术产品认证 (150115G0377N)
6.6
安规认证 UL 1434 认证(File # E240991)
电 话:025-52121868
地 址:南京市江宁区湖熟镇金阳路 18 号
传 真:025-52122373
邮 箱: sales@shiheng.com.cn
邮 编:211121
网 址:Http://www.shiheng.com.cn
附表 1
南京时恒阻温特性表
R25=100KΩ 精度:±5%
温度(℃)
B25/50=3950K B25/85=4092K 精度:±1%(P182-6B2)
电阻(kΩ)
最小值
中心值
电阻精度(%)
最大值
温度精度(℃)
△R
-△R
△T
-△T
-55
6384.080
7011.860 7682.120
9.558
-8.953
1.316
-1.233
-54
6076.130
6670.290 7304.250
9.504
-8.907
1.313
-1.231
-53
5774.070
6335.440 6934.000
9.447
-8.860
1.311
-1.230
-52
5479.250
6008.770 6572.980
9.389
-8.812
1.309
-1.228
-51
5192.770
5691.510 6222.570
9.330
-8.762
1.307
-1.227
-50
4915.530
5384.660 5883.820
9.269
-8.712
1.305
-1.226
-49
4648.230
5088.980 5557.590
9.208
-8.660
1.303
-1.226
-48
4391.390
4805.020 5244.470
9.145
-8.608
1.301
-1.225
-47
4145.340
4533.160 4944.860
9.082
-8.555
1.300
-1.225
-46
3910.300
4273.610 4658.990
9.017
-8.501
1.299
-1.224
-45
3686.330
4026.430 4386.910
8.952
-8.446
1.297
-1.224
-44
3473.400
3791.580 4128.550
8.887
-8.391
1.296
-1.224
-43
3271.370
3568.880 3883.710
8.821
-8.336
1.295
-1.224
-42
3080.040
3358.100 3652.110
8.755
-8.280
1.294
-1.224
-41
2899.130
3158.930 3433.400
8.688
-8.224
1.293
-1.224
-40
2728.330
2971.000 3227.160
8.622
-8.167
1.292
-1.224
-39
2567.270
2793.890 3032.920
8.555
-8.111
1.291
-1.224
-38
2415.560
2627.180 2850.190
8.488
-8.054
1.290
-1.224
-37
2272.810
2470.400 2678.460
8.421
-7.998
1.289
-1.224
-36
2138.600
2323.090 2517.190
8.355
-7.941
1.288
-1.225
-35
2012.500
2184.770 2365.860
8.288
-7.885
1.288
-1.225
-34
1894.100
2054.980 2223.950
8.222
-7.828
1.287
-1.225
-33
1782.980
1933.240 2090.930
8.156
-7.772
1.286
-1.225
-32
1678.740
1819.110 1966.290
8.090
-7.716
1.285
-1.226
-31
1580.980
1712.140 1849.540
8.025
-7.660
1.285
-1.226
-30
1489.320
1611.900 1740.200
7.959
-7.604
1.284
-1.226
-29
1403.390
1517.980 1637.830
7.895
-7.549
1.283
-1.227
-28
1322.830
1430.000 1541.980
7.830
-7.493
1.282
-1.227
-27
1247.320
1347.570 1452.230
7.766
-7.438
1.281
-1.227
-26
1176.540
1270.350 1368.210
7.703
-7.384
1.281
-1.228
-25
1110.180
1198.000 1289.520
7.640
-7.330
1.280
-1.228
-24
1047.960
1130.190 1215.830
7.577
-7.276
1.279
-1.228
-23
989.614
1066.650 1146.810
7.515
-7.222
1.278
-1.228
-22
934.881
1007.070 1082.140
7.453
-7.169
1.277
-1.228
-21
883.528
951.217
1021.530
7.392
-7.116
1.276
-1.228
-20
835.333
898.820
964.714
7.331
-7.063
1.275
-1.229
-19
790.087
849.657
911.435
7.270
-7.011
1.274
-1.228
-18
747.596
803.514
861.455
7.210
-6.959
1.273
-1.228
-17
707.679
760.189
814.555
7.151
-6.907
1.272
-1.228
-16
670.164
719.495
770.526
7.092
-6.856
1.270
-1.228
-15
634.894
681.256
729.177
7.034
-6.805
1.269
-1.228
-14
601.721
645.311
690.329
6.976
-6.754
1.268
-1.228
-13
570.507
611.507
653.815
6.918
-6.704
1.266
-1.227
-12
541.124
579.703
619.479
6.861
-6.654
1.265
-1.227
-11
513.453
549.768
587.179
6.804
-6.605
1.263
-1.226
-10
487.383
521.579
556.779
6.748
-6.556
1.262
-1.226
-9
462.811
495.024
528.155
6.692
-6.507
1.260
-1.225
-8
439.639
469.995
501.192
6.637
-6.458
1.258
-1.224
-7
417.779
446.396
475.781
6.582
-6.410
1.256
-1.224
-6
397.147
424.134
451.822
6.528
-6.362
1.254
-1.223
-5
377.665
403.123
429.222
6.474
-6.315
1.253
-1.222
-4
359.262
383.286
407.894
6.420
-6.267
1.250
-1.221
-3
341.870
364.548
387.758
6.366
-6.220
1.248
-1.220
-2
325.426
346.840
368.740
6.314
-6.174
1.246
-1.219
-1
309.871
330.099
350.768
6.261
-6.127
1.244
-1.217
0
296.468
315.680
335.296
6.214
-6.085
1.238
-1.212
1
281.219
299.283
317.711
6.157
-6.035
1.239
-1.215
2
268.023
285.101
302.509
6.105
-5.990
1.237
-1.213
3
255.521
271.671
288.120
6.054
-5.944
1.234
-1.212
4
243.671
258.947
274.494
6.003
-5.899
1.231
-1.210
5
232.434
246.889
261.587
5.953
-5.854
1.229
-1.208
6
221.776
235.457
249.356
5.903
-5.810
1.226
-1.206
7
211.663
224.614
237.760
5.853
-5.765
1.223
-1.205
8
202.063
214.326
226.764
5.803
-5.721
1.220
-1.203
9
192.947
204.561
216.332
5.754
-5.677
1.217
-1.201
10
184.287
195.290
206.431
5.705
-5.633
1.214
-1.199
11
176.059
186.484
197.032
5.656
-5.590
1.211
-1.196
12
168.237
178.117
188.106
5.607
-5.546
1.207
-1.194
13
160.800
170.165
179.626
5.559
-5.503
1.204
-1.192
14
153.726
162.605
171.568
5.511
-5.460
1.201
-1.189
15
146.996
155.416
163.908
5.464
-5.417
1.197
-1.187
16
140.590
148.577
156.624
5.416
-5.375
1.194
-1.185
17
134.492
142.068
149.697
5.369
-5.332
1.190
-1.182
18
128.685
135.874
143.105
5.322
-5.290
1.186
-1.179
19
123.153
129.976
136.833
5.275
-5.248
1.183
-1.177
20
117.883
124.358
130.861
5.229
-5.206
1.179
-1.174
21
112.861
119.008
125.176
5.182
-5.165
1.175
-1.171
22
108.073
113.909
119.760
5.136
-5.123
1.171
-1.168
23
103.507
109.049
114.601
5.091
-5.082
1.167
-1.165
24
99.153
104.417
109.685
5.045
-5.041
1.163
-1.162
25
95.000
100.000
105.000
5.000
-5.000
1.160
-1.160
26
90.958
95.786
100.619
5.045
-5.040
1.176
-1.175
27
87.104
91.767
96.438
5.090
-5.081
1.192
-1.190
28
83.428
87.932
92.448
5.135
-5.122
1.210
-1.206
29
79.922
84.272
88.638
5.179
-5.162
1.227
-1.222
30
76.576
80.779
84.999
5.224
-5.202
1.244
-1.239
31
73.383
77.443
81.523
5.268
-5.242
1.261
-1.255
32
70.335
74.258
78.203
5.312
-5.282
1.278
-1.271
33
67.425
71.215
75.030
5.357
-5.321
1.296
-1.287
34
64.646
68.309
71.998
5.400
-5.361
1.313
-1.304
35
61.992
65.532
69.100
5.444
-5.400
1.331
-1.320
36
59.457
62.878
66.329
5.488
-5.439
1.349
-1.337
37
57.035
60.341
63.679
5.531
-5.478
1.366
-1.353
38
54.720
57.916
61.145
5.575
-5.517
1.384
-1.370
39
52.508
55.597
58.721
5.618
-5.556
1.402
-1.387
40
50.394
53.380
56.402
5.661
-5.594
1.420
-1.404
41
48.372
51.259
54.183
5.704
-5.632
1.438
-1.420
42
46.438
49.230
52.059
5.746
-5.670
1.457
-1.437
43
44.590
47.289
50.027
5.789
-5.708
1.475
-1.454
44
42.821
45.432
48.081
5.831
-5.746
1.493
-1.472
45
41.129
43.654
46.218
5.873
-5.784
1.512
-1.489
46
39.510
41.952
44.434
5.916
-5.821
1.531
-1.506
47
37.961
40.323
42.726
5.957
-5.858
1.549
-1.523
48
36.478
38.764
41.089
5.999
-5.896
1.568
-1.541
49
35.059
37.270
39.522
6.041
-5.933
1.587
-1.558
50
33.700
35.840
38.020
6.082
-5.969
1.606
-1.576
51
32.399
34.469
36.580
6.124
-6.006
1.625
-1.594
52
31.153
33.156
35.201
6.165
-6.042
1.644
-1.611
53
29.959
31.898
33.878
6.206
-6.079
1.663
-1.629
54
28.816
30.693
32.610
6.247
-6.115
1.683
-1.647
55
27.721
29.538
31.395
6.288
-6.151
1.702
-1.665
56
26.671
28.430
30.229
6.328
-6.187
1.722
-1.683
57
25.665
27.368
29.111
6.369
-6.223
1.741
-1.701
58
24.701
26.350
28.039
6.409
-6.258
1.761
-1.720
59
23.777
25.374
27.010
6.449
-6.293
1.781
-1.738
60
22.891
24.437
26.023
6.489
-6.329
1.801
-1.756
61
22.041
23.539
25.076
6.529
-6.364
1.821
-1.775
62
21.226
22.678
24.167
6.569
-6.399
1.841
-1.793
63
20.445
21.851
23.295
6.609
-6.433
1.861
-1.812
64
19.695
21.057
22.457
6.648
-6.468
1.882
-1.831
65
18.976
20.296
21.653
6.687
-6.502
1.902
-1.849
66
18.286
19.565
20.881
6.727
-6.537
1.923
-1.868
67
17.624
18.863
20.140
6.766
-6.571
1.943
-1.887
68
16.988
18.189
19.427
6.804
-6.605
1.964
-1.906
69
16.378
17.542
18.743
6.843
-6.639
1.985
-1.926
70
15.792
16.921
18.086
6.882
-6.672
2.006
-1.945
71
15.229
16.324
17.454
6.920
-6.706
2.027
-1.964
72
14.689
15.751
16.847
6.958
-6.739
2.048
-1.984
73
14.170
15.200
16.264
6.996
-6.772
2.069
-2.003
74
13.672
14.671
15.703
7.034
-6.805
2.091
-2.023
75
13.193
14.162
15.164
7.072
-6.838
2.112
-2.042
76
12.733
13.673
14.645
7.110
-6.871
2.134
-2.062
77
12.291
13.203
14.146
7.147
-6.904
2.155
-2.082
78
11.866
12.751
13.667
7.184
-6.936
2.177
-2.102
79
11.458
12.316
13.206
7.222
-6.968
2.199
-2.122
80
11.065
11.898
12.762
7.259
-7.000
2.221
-2.142
81
10.688
11.496
12.335
7.296
-7.032
2.243
-2.162
82
10.324
11.109
11.924
7.332
-7.064
2.265
-2.182
83
9.975
10.737
11.528
7.369
-7.096
2.288
-2.203
84
9.639
10.379
11.148
7.405
-7.127
2.310
-2.223
85
9.316
10.035
10.781
7.442
-7.159
2.333
-2.244
86
9.005
9.703
10.428
7.478
-7.190
2.355
-2.264
87
8.706
9.383
10.089
7.514
-7.221
2.378
-2.285
88
8.418
9.076
9.761
7.549
-7.252
2.401
-2.306
89
8.141
8.780
9.446
7.585
-7.283
2.424
-2.327
90
7.874
8.495
9.142
7.621
-7.313
2.447
-2.348
91
7.617
8.220
8.850
7.656
-7.344
2.470
-2.369
92
7.369
7.956
8.568
7.691
-7.374
2.493
-2.390
93
7.131
7.701
8.296
7.726
-7.404
2.516
-2.411
94
6.901
7.455
8.034
7.761
-7.434
2.540
-2.433
95
6.680
7.219
7.781
7.796
-7.464
2.563
-2.454
96
6.466
6.990
7.538
7.831
-7.494
2.587
-2.476
97
6.261
6.770
7.303
7.865
-7.523
2.611
-2.497
98
6.063
6.558
7.076
7.899
-7.553
2.635
-2.519
99
5.872
6.354
6.858
7.934
-7.582
2.659
-2.541
100
5.703
6.173
6.664
7.965
-7.609
2.684
-2.564
101
5.510
5.966
6.444
8.002
-7.640
2.707
-2.585
102
5.339
5.783
6.248
8.035
-7.669
2.731
-2.607
103
5.174
5.606
6.058
8.069
-7.698
2.755
-2.629
104
5.015
5.435
5.875
8.102
-7.726
2.780
-2.651
105
4.861
5.270
5.699
8.136
-7.755
2.805
-2.673
106
4.713
5.111
5.528
8.169
-7.783
2.829
-2.696
107
4.570
4.957
5.364
8.202
-7.811
2.854
-2.718
108
4.432
4.809
5.205
8.235
-7.839
2.879
-2.741
109
4.298
4.666
5.051
8.267
-7.867
2.904
-2.763
110
4.170
4.527
4.903
8.300
-7.895
2.929
-2.786
111
4.045
4.394
4.760
8.332
-7.922
2.954
-2.809
112
3.925
4.264
4.621
8.365
-7.950
2.980
-2.832
113
3.809
4.140
4.487
8.397
-7.977
3.005
-2.855
114
3.697
4.019
4.358
8.429
-8.004
3.031
-2.878
115
3.589
3.903
4.233
8.461
-8.031
3.056
-2.901
116
3.484
3.790
4.112
8.493
-8.058
3.082
-2.924
117
3.383
3.681
3.995
8.524
-8.085
3.108
-2.948
118
3.286
3.576
3.882
8.556
-8.112
3.134
-2.971
119
3.191
3.474
3.772
8.587
-8.138
3.160
-2.995
120
3.100
3.376
3.667
8.618
-8.165
3.186
-3.018
121
3.012
3.280
3.564
8.649
-8.191
3.212
-3.042
122
2.926
3.188
3.465
8.680
-8.217
3.238
-3.066
123
2.844
3.099
3.369
8.711
-8.243
3.265
-3.089
124
2.764
3.013
3.276
8.742
-8.269
3.291
-3.113
125
2.686
2.929
3.186
8.772
-8.295
3.318
-3.137
126
2.611
2.849
3.099
8.803
-8.320
3.345
-3.161
127
2.539
2.770
3.015
8.833
-8.346
3.372
-3.186
128
2.469
2.695
2.933
8.863
-8.371
3.399
-3.210
129
2.401
2.621
2.854
8.893
-8.397
3.426
-3.234
130
2.335
2.550
2.778
8.923
-8.422
3.453
-3.259
131
2.272
2.481
2.704
8.953
-8.447
3.480
-3.283
132
2.210
2.415
2.632
8.983
-8.472
3.508
-3.308
133
2.151
2.350
2.562
9.012
-8.496
3.535
-3.333
134
2.093
2.288
2.495
9.042
-8.521
3.563
-3.357
135
2.037
2.227
2.429
9.071
-8.546
3.590
-3.382
136
1.982
2.168
2.366
9.100
-8.570
3.618
-3.407
137
1.930
2.111
2.304
9.129
-8.594
3.646
-3.432
138
1.879
2.056
2.245
9.158
-8.619
3.674
-3.457
139
1.829
2.003
2.187
9.187
-8.643
3.702
-3.483
140
1.782
1.951
2.131
9.216
-8.667
3.730
-3.508
141
1.735
1.900
2.076
9.244
-8.691
3.758
-3.533
142
1.690
1.852
2.023
9.272
-8.714
3.787
-3.559
143
1.646
1.804
1.972
9.301
-8.738
3.815
-3.584
144
1.604
1.758
1.922
9.329
-8.762
3.844
-3.610
145
1.563
1.714
1.874
9.357
-8.785
3.872
-3.636
146
1.523
1.670
1.827
9.385
-8.808
3.901
-3.661
147
1.484
1.628
1.782
9.413
-8.832
3.930
-3.687
148
1.447
1.588
1.737
9.441
-8.855
3.959
-3.713
149
1.410
1.548
1.695
9.468
-8.878
3.988
-3.739
150
1.375
1.510
1.653
9.496
-8.901
4.017
-3.765
151
1.341
1.472
1.612
9.523
-8.923
4.047
-3.792
152
1.307
1.436
1.573
9.551
-8.946
4.076
-3.818
153
1.275
1.401
1.535
9.578
-8.969
4.105
-3.844
154
1.244
1.367
1.498
9.605
-8.991
4.135
-3.871
155
1.213
1.333
1.462
9.632
-9.013
4.165
-3.897
156
1.183
1.301
1.427
9.659
-9.036
4.194
-3.924
157
1.155
1.270
1.393
9.685
-9.058
4.224
-3.951
158
1.127
1.239
1.360
9.712
-9.080
4.254
-3.977
159
1.099
1.210
1.327
9.739
-9.102
4.284
-4.004
160
1.073
1.181
1.296
9.765
-9.124
4.315
-4.031
161
1.047
1.153
1.266
9.791
-9.146
4.345
-4.058
162
1.022
1.126
1.236
9.817
-9.167
4.375
-4.085
163
0.998
1.099
1.207
9.844
-9.189
4.406
-4.113
164
0.974
1.073
1.179
9.870
-9.210
4.436
-4.140
165
0.952
1.048
1.152
9.896
-9.232
4.467
-4.167
166
0.929
1.024
1.126
9.921
-9.253
4.498
-4.195
167
0.908
1.000
1.100
9.947
-9.274
4.529
-4.222
168
0.886
0.977
1.075
9.973
-9.296
4.559
-4.250
169
0.866
0.955
1.050
9.998
-9.317
4.591
-4.278
170
0.846
0.933
1.027
10.020
-9.338
4.622
-4.305
171
0.826
0.912
1.004
10.040
-9.358
4.653
-4.333
172
0.808
0.891
0.981
10.070
-9.379
4.684
-4.361
173
0.789
0.871
0.959
10.090
-9.400
4.716
-4.389
174
0.771
0.852
0.938
10.120
-9.420
4.747
-4.417
175
0.754
0.832
0.917
10.140
-9.441
4.779
-4.445
176
0.737
0.814
0.897
10.170
-9.461
4.811
-4.474
177
0.720
0.796
0.877
10.190
-9.482
4.843
-4.502
178
0.704
0.778
0.858
10.220
-9.502
4.875
-4.531
179
0.689
0.761
0.839
10.240
-9.522
4.907
-4.559
180
0.673
0.744
0.821
10.270
-9.542
4.939
-4.588
181
0.658
0.728
0.803
10.290
-9.562
4.971
-4.616
182
0.644
0.712
0.786
10.320
-9.582
5.003
-4.645
183
0.630
0.697
0.769
10.340
-9.602
5.036
-4.674
184
0.616
0.682
0.753
10.360
-9.621
5.068
-4.703
185
0.603
0.667
0.737
10.390
-9.641
5.101
-4.732
186
0.590
0.653
0.721
10.410
-9.661
5.134
-4.761
187
0.577
0.639
0.706
10.440
-9.680
5.167
-4.790
188
0.565
0.625
0.691
10.460
-9.699
5.199
-4.819
189
0.553
0.612
0.676
10.480
-9.719
5.232
-4.849
190
0.541
0.599
0.662
10.510
-9.738
5.266
-4.878
191
0.529
0.587
0.648
10.530
-9.757
5.299
-4.908
192
0.518
0.574
0.635
10.550
-9.776
5.332
-4.937
193
0.507
0.562
0.622
10.580
-9.795
5.366
-4.967
194
0.497
0.551
0.609
10.600
-9.814
5.399
-4.996
195
0.486
0.539
0.597
10.620
-9.833
5.433
-5.026
附表:2
南京时恒电阻误差曲线图
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