Tokyo Resistance Wire Co. Ltd. > Products > CN49W

Product Information

CN49W Copper Nickel Resistance Wire No 49

Good resistant (life) to oxidation at high temperature.
Small temperature coefficient at room temperature.
Easy to process as thin wire, flat wire and able to solder.
Used on precision resistor, low value current sense resistor.

( 91 KB )

  • Mail Us
  • Call Us +81-3-3736-5201 9:00am~5:00pm

Detail Information

Reference value

Electrical Resistivity
(μΩm)
Temperature Coefficient of Resistance
(×10-6/℃)
Thermal Coefficient of expansion
(×10-6/℃)
Melting Temperature
(℃)
Density
(g・cm3
Max Operating Temperature
(℃)
Type Composition
0.49 ±40 14.4 1290 8.90 400 wire 40-50Ni ≧99Cu+Ni+Mn

Nominal Composition

Si Mn Ni Cr Al Fe others
    0.5~2.5 42~48       Cu+Ni+Mn ≧99

Resistance ・Length ・Weight

Diameter(mm) Diameter tolerance(mm) cross section(mm2 Resistance
tolerance(%)
Resistance(Ω/m) Length(m/Kg) Weight(g/m)
6.00 ±0.080 28.27 ±5 0.0173 3.97 252
5.50 ±0.063 23.76 ±5 0.0206 4.73 211
5.00 ±0.063 19.64 ±5 0.0250 5.72 175
4.50 ±0.063 15.90 ±5 0.0308 7.06 142
4.00 ±0.063 12.57 ±5 0.0390 8.94 112
3.50 ±0.050 9.621 ±5 0.0509 11.7 85.6
3.20 ±0.050 8.042 ±5 0.0609 14.0 71.6
2.90 ±0.050 6.605 ±5 0.0742 17.0 58.8
2.60 ±0.040 5.309 ±5 0.0923 21.2 47.3
2.30 ±0.040 4.155 ±5 0.118 27.0 37.0
2.00 ±0.040 3.142 ±5 0.156 35.8 28.0
1.80 ±0.040 2.545 ±5 0.193 44.2 22.6
1.60 ±0.032 2.011 ±5 0.244 55.9 17.9
1.50 ±0.032 1.767 ±5 0.277 63.6 15.7
1.40 ±0.032 1.539 ±5 0.318 73.0 13.7
1.30 ±0.032 1.327 ±5 0.369 84.7 11.8
1.20 ±0.025 1.131 ±5 0.433 99.3 10.1
1.10 ±0.025 0.9503 ±6 0.516 118 8.46
1.00 ±0.025 0.7854 ±6 0.624 143 6.99
0.90 ±0.025 0.6362 ±6 0.770 177 5.66
0.85 ±0.025 0.5675 ±6 0.864 198 5.05
0.80 ±0.020 0.5027 ±6 0.975 224 4.47
0.75 ±0.020 0.4418 ±6 1.11 254 3.93
0.70 ±0.020 0.3848 ±6 1.27 292 3.43
0.65 ±0.020 0.3318 ±6 1.48 339 2.95
0.60 ±0.020 0.2827 ±6 1.73 397 2.52
0.55 ±0.016 0.2376 ±7 2.06 473 2.11
0.50 ±0.016 0.1964 ±7 2.50 572 1.75
0.45 ±0.016 0.1590 ±7 3.08 706 1.42
0.40 ±0.016 0.1257 ±7 3.90 894 1.12
0.35 ±0.013 0.09621 ±7 5.09 1168 0.856
0.32 ±0.013 0.08042 ±7 6.09 1397 0.716
0.29 ±0.013 0.06605 ±7 7.42 1701 0.588
0.26 ±0.010 0.05309 ±8 9.23 2116 0.473
0.23 ±0.010 0.04155 ±8 11.8 2704 0.370
0.20 ±0.010 0.03142 ±8 15.6 3577 0.280
0.18 ±0.008 0.02545 ±8 19.3 4415 0.226
0.16 ±0.008 0.02011 ±8 24.4 5588 0.179
0.15 ±0.008 0.01767 ±8 27.7 6358 0.157
0.14 ±0.008 0.01539 ±8 31.8 7299 0.137
0.13 ±0.006 0.01327 ±9 36.9 8465 0.118
0.12 ±0.006 0.01131 ±9 43.3 9935 0.101
0.11 ±0.006 0.009503 ±9 51.6 11823 0.0846
0.10 ±0.006 0.007854 ±9 62.4 14306 0.0699
0.09 ±0.005 0.006362 ±10 77.0 17662 0.0566
0.08 ±0.005 0.005027 ±10 97.5 22353 0.0447
0.07 ±0.005 0.003848 ±10 127 29196 0.0343
0.06 ±0.004 0.002827 ±11 173 39739 0.0252
0.05 ±0.004 0.001964 ±11 250 57224 0.0175
0.04 ±0.003 0.001257 ±12 390 89413 0.0112
0.03 ±0.003 0.0007069 ±12 693 158956 0.00629
0.025 ±0.002 0.0004909 ±13 998 228896 0.00437

The Same Material Products

Symbol Rank Resistivity
[μΩm]
Temp Coefficient[×10-6/℃]
CN49W General 0.490 -40~+40
CN30W General 0.300 180
CN15W General 0.150 490
CN10W General 0.100 710
CN5W General 0.050 1300

Related Product

Contact Us

Top of page