China 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR for Consistent Performance in Electronic Devices for sale

6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR for Consistent Performance in Electronic Devices

Price Negotiable

MOQ: 5kg

Delivery Time: 3 days

Brand: Senphus

Product Description

6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR for Consistent Performance in Electronic Devices

6J8/6J8P/6J8X Precision Resistance Wire refers to a type of precision resistor wire commonly used in applications that require stable and accurate electrical resistance. This wire is often made from a Manganin-type alloy, which includes a mix of elements such as Copper (Cu), Nickel (Ni), and Manganese (Mn), though exact compositions can vary slightly across the different grades or designations (6J8, 6J8P, 6J8X).

6J8/6J8P/6J8X Precision Resistance Wire is a high-performance material used in applications requiring precise and stable electrical resistance, with low temperature dependency and high durability. It is ideal for calibration, current sensing, and precision measurement applications across scientific, industrial, and high-tech fields. The various grades (P and X) offer enhanced properties for more demanding or specialized applications, ensuring accuracy and long-term reliability.

Chemical Composition Wt.%

6J8 F1 Manganin

Min

Max

Rest

Chemical composition

Name	Type	Main chemical composition %
Name	Type	Cu	Mn	Ni	Si
Manganin	6J12	Rest	11~13	2~3	/
F1 Manganin	6J8	Rest	8~10	/	1~2
F2 Manganin	6J13	Rest	11~13	2~5	/

Volume resistivity for wires, sheet and ribbons

Name	Type	Volume resistivity (μΩ·m)
Manganin	6J12	0.47±0.03
F1 Manganin	6J8	0.35±0.05
F2 Manganin	6J13	0.44±0.04

Average resistance-temperature coefficient of Constantan

Name		Application temperature	Test temperature	Resistance-temperature coefficient		Average resistance-temperature coefficient
				α×10^-6℃^-1	β×10^-6℃^-1	α×10-6 ℃-1
Manganin wire, sheet	Level 1	5~45	10, 20, 40	-3~+5	-0.7~0	/
	Level 2			-5~+10
	Level 3			-10~+5
F1 Manganin wire, sheet		10~80	10, 20, 40	-5~+10	-0.25~0	/
F2 Manganin wire, sheet		10~80		0~+40	-0.7~1	/

Elongation rate

Dia.(mm)	Elongation rate (Lo=200mm), %
0.05	6
＞0.05~0.10	8
＞0.10~0.50	12
＞0.50	15

Thermal EMF rate for copper

Name	Type	Temperature	Average thermal EMF rate for copper
Manganin	6J12	0~100	1
F1 Manganin	6J8	0~100	2
F2 Manganin	6J13	0~100	3
Note: Thermal EMF rate for copper is absolute value

The net weight per spool

Dia(mm)	Net weight (g)	Dia(mm)	Net weight (g)
0.02~0.025	5	>0.28~0.45	300
>0.025~0.03	10	>0.45~0.63	400
>0.03~0.04	15	>0.63~0.75	700
>0.04~0.06	30	>0.75~1.18	1200
>0.06~0.08	60	>1.18~2.50	2000
>0.08~0.15	80	>2.50~3.00	3000
>0.15~0.28	150

Manganin(6J12) Technical data of wires

Dia. (mm)	Cross-sectional area (mm²)	Weight/Meter (g/m)	Resistance/Meter at 20℃ (Ω/m)	Dia. (mm)	Cross-sectional area (mm²)	Weight/Meter (g/m)	Resistance/Meter at 20℃ (Ω/m)
0.020	0.000314	0.00265	1346-1646	0.224	0.03941	0.3326	11.2-12.6
0.022	0.000318	0.00321	1113-1360	0.250	0.04909	0.414	9.00-10.15
0.025	0.000491	0.00414	862-1053	0.280	0.06158	0.5197	7.17-8.09
0.028	0.000616	0.0052	687-840	0.315	0.07793	0.6577	5.73-6.33
0.032	0.000804	0.00679	583-631	0.355	0.9898	0.8354	4.51-4.99
0.036	0.001018	0.00859	452-499	0.400	0.1257	1.061	3.55-3.93
0.040	0.001257	0.01061	344-404	0.450	0.159	1.342	2.81-3.10
0.045	0.001509	0.01342	272-319	0.500	0.1963	1.657	2.27-2.51
0.050	0.001963	0.01657	220-259	0.560	0.2463	2.08	1.83-1.98
0.056	0.002463	0.02079	176-206	0.630	0.3117	2.63	1.45-1.57
0.063	0.003117	0.02631	139-163	0.710	0.3959	3.34	1.14-1.23
0.071	0.003959	0.03341	109-128	0.750	0.4418	3.73	1.02-1.11
0.080	0.005027	0.04243	86.0-101.0	0.800	0.5027	4.24	0.898-0.972
0.090	0.006362	0.0537	68.0-79.80	0.850	0.5674	4.79	0.795-0.861
0.100	0.007854	0.0663	55.1-64.6	0.900	0.6362	5.37	0.709-0.768
0.112	0.009852	0.08315	44.4-51.0	0.950	0.7088	5.98	0.637-0.690
0.125	0.01227	0.1036	35.6-41.0	1.000	0.7854	6.63	0.574-0.622
0.140	0.01539	0.1299	28.4-32.7	1.060	0.8825	7.45	0.511-0.554
0.150	0.01767	0.1491	24.7-28.5	1.120	0.9852	8.32	0.458-0.496
0.160	0.02011	0.1697	21.7-25.0	1.180	1.094	9.23	0.413-0.447
0.170	0.02270	0.1916	19.3-22.2	1.250	1.227	10.36	0.368-0.398
0.180	0.02545	0.2148	17.2-19.8	1.320	1.368	11.55	0.330-0.357
0.190	0.02835	0.239	15.4-17.7	1.400	1.539	12.99	0.293-0.318
0.200	0.03142	0.2652	14.1-15.9	1.500	1.767	14.91	0.255-0.277
0.212	0.03530	0.2979	12.5-14.1	1.600	2.011	16.97	0.224-0.243

Constantan&Manganin wire data table

Dia.(mm)		Sectional area nominal value(mm²)	Resistance per meter (Ω/m)
Dia.(mm)			6J12X		6J8X		6J13X		6J40X
Nominal value (mm)	Tolerance		Nominal value (Ω/m)	Tolerance	Nominal value (Ω/m)	Tolerance	Nominal value (Ω/m)	Tolerance	Nominal value (Ω/m)	Tolerance
0.020	±0.002	0.000314	1496	±10%					1528	±10%
0.022		0.000380	1236						1263
0.025		0.000491	957						978
0.028		0.000616	763						780
0.032	±0.003	0.000804	584	±8%		±8%		±8%	597	±8%
0.036		0.001018	462						472
0.040		0.001257	374						382
0.045		0.001590	296						302
0.050		0.001963	239						244
0.056		0.002463	191						195
0.063		0.003117	151						154
0.071		0.003959	119						121
0.080		0.005027	93.5		69.6		87.5		95.5
0.090		0.006362	73.9		55.0		69.2		75.5
0.100		0.007854	59.8		44.6		56.0		61.1
0.112	±0.005	0.009852	47.7	±7%	35.5	±7%	44.7	±7%	48.7	±7%
0.125		0.01227	38.3		28.5		35.9		39.1
0.140		0.01539	30.5		22.7		28.6		31.2
0.160		0.02011	23.4		17.4		21.9		23.9
0.180		0.02545	18.5		13.8		17.3		18.9
0.200	±0.005	0.03142	15.0	±6%	11.1	±6%	14.0	±6%	15.3	±6%
0.224		0.03941	11.9		8.88		11.2		12.2
0.250		0.04909	9.57		7.13		8.96		9.78
0.280		0.06158	7.63		5.68		7.15		7.80
0.315	±0.010	0.007793	6.03	±5%	4.49	±5%	5.65	±5%	6.16	±5%
0.355		0.09898	4.75		3.54		4.45		4.85
0.400		0.1257	3.74		2.79		3.50		3.82
0.450		0.1590	2.96		2.20		2.77		3.02
0.500	±0.015	0.1963	2.39	±4%	1.78	±4%	2.24	±4%	2.44	±4%
0.560		0.2463	1.91		1.42		1.79		1.95
0.630		0.3117	1.51		1.12		1.41		1.51
0.710		0.3959	1.19		0.884		1.11		1.21
0.750		0.4418	1.06		0.792		1.00		1.09
0.800		0.5027	0.935		0.696		0.875		0.955
0.850		0.5674	0.828		0.617		0.775		0.846
0.900		0.6362	0.739		0.550		0.692		0.755
0.950		0.7088	0.663		0.494		0.621		0.677
1.000		0.7854	0.598		0.446		0.560		0.611
1.060	±0.020	0.8852	0.533	±4%	0.397	±4%	0.499	±4%	0.544	±4%
1.120		0.9852	0.477		0.355		0.447		0.487
1.180		1.094	0.430		0.320		0.402		0.439
1.250		1.227	0.383		0.285		0.359		0.391
1.320		1.368	0.343		0.256		0.322		0.351
1.400		1.539	0.305		0.227		0.286		0.312
1.500		1.767	0.266		0.198		0.249		0.272
1.600		2.011	0.234		0.174		0.219		0.239
1.700	±0.025	2.270	0.207	±4%	0.154	±4%	0.194	±4%	0.211	±4%
1.800		2.545	0.185		0.138		0.173		0.189
1.900		2.835	0.166		0.123		0.155		0.169
2.000		3.142	0.15		0.111		0.140		0.153
2.120		3.530	0.133		0.0992		0.125		0.136
2.240	±0.030	3.941	0.119	±4%	0.0888	±4%	0.112	±4%	0.122	±4%
2.360		4.374	0.107		0.0800		0.101		0.110
2.500		4.909	0.0957		0.0713		0.0896		0.0978
2.650		5.515	0.0852		0.0635		0.0798		0.0870
2.800		6.158	0.0763		0.0568		0.0715		0.0780
3.000		7.069	0.0665		0.0495		0.0622		0.0679
3.150	±0.035	7.793	0.0603	±4%	0.0449	±4%	0.0565	±4%	0.0616	±4%
3.350		8.814	0.0533		0.0397		0.0499		0.0545
3.550		9.898	0.0475		0.0354		0.0445		0.0485
3.750		11.04	0.0426		0.0317		0.0398		0.0435
4.000		12.57	0.0374		0.0279		0.0350		0.0382
4.250		14.19	0.0331		0.0247		0.0310		0.0338
4.500		15.90	0.0296		0.0220		0.0277		0.0302
4.750	±0.040	17.72	0.0265	±4%	0.0198	±4%	0.0248	±4%	0.0271	±4%
5.000	±0.040	19.63	0.0239	±4%	0.0178	±4%	0.0224	±4%	0.0244	±4%
5.300	±0.050	22.06	0.0213	±4%	0.0159	±4%	0.0199	±4%	0.0218	±4%
5.600	±0.050	24.63	0.0191	±4%	0.0142	±4%	0.0179	±4%	0.0195	±4%
6.000	±0.060	28.27	0.0166	±4%	0.0124	±4%	0.0156	±4%	0.017	±4%
6.300	±0.060	31.17	0.0151	±4%	0.0112	±4%	0.0141	±4%	0.0154	±4%

Sheet size

Thickness(mm)	Tolerance	Width(mm)	Tolerance
0.1	±0.010	50 75 100	Width＜100mm, ±1 Width≥100mm, ±1.5
0.112
0.125
0.140
0.160
0.180	±0.0100-0.020
0.200
0.224
0.250
0.280
0.315
0.355
0.400	±0.020	50 75 100 125 150 175
0.450
0.500
0.560	±0.020-0.030
0.630
0.710
0.800	±0.030
0.900	±0.030
1.000	±0.040
1.120
1.250
1.400	±0.050
1.600	±0.050
1.800	±0.060
2.000	±0.060

Manganin strip table, Cross-sectional area(mm2)

Width(mm) Thickness(mm)		6.3	8.0	10.0	12.5	16.0	20.0	25.0	31.5	40.0
Width(mm) Thickness(mm)		±0.3	±0.3	±0.3	±0.4	±0.4	±0.5	±0.5	±0.6	±0.7
0.180	±0.010	1.066
0.200		1.184
0.224		1.327	1.684
0.250	+0.01 -0.02	1.481	1.880	2.450
0.280		1.658	2.106	2.744
0.315		1.865	2.369	3.087	3.859
0.355		2.102	2.670	3.479	4.349
0.400	±0.020	2.369	3.008	3.920	4.900	6.272
0.450		2.665	3.384	4.410	5.513	7.056	8.820	11.03
0.500		2.961	3.760	4.900	6.125	7.840	9.800	12.25
0.560	+0.020 -0.030	3.316	4.211	5.488	6.860	8.781	10.98	13.72
0.630		3.731	4.738	6.174	7.718	9.878	12.35	15.44
0.710		4.205	5.339	6.958	8.698	11.13	13.92	17.40
0.800	±0.030	4.738	6.016	7.840	9.800	12.54	15.68	19.60	24.70	31.36
0.900	±0.030	5.33	6.768	8.820	11.03	14.11	17.64	22.05	27.78	35.28
1.000	±0.040	5.922	7.520	9.800	12.25	15.68	19.60	24.50	30.87	39.20
1.120		6.633	8.422	10.98	13.72	17.56	21.95	27.44	34.57	43.90
1.250		7.403	9.400	12.25	15.31	19.60	24.50	30.63	38.59	49.00
1.400	±0.050	8.291	10.53	13.72	17.15	21.95	27.44	34.30	43.22	54.88
1.600	±0.050	9.475	12.03	15.68	19.60	25.09	31.36	39.20	49.39	62.72
1.800	±0.060	10.66	13.54	17.64	22.05	28.22	35.28	44.10	55.57	70.56
2.000	±0.060	11.84	15.04	19.60	24.50	31.36	39.20	49.00	61.74	78.40
Note : The effective cross-sectional area of strip is the product of its width and thickness multiplies the following coefficient: Width<10mm, multiplied by 0.98; Width≥10mm, multiplied by 0.94.

Some key features of 6J8 include:

High Resistivity:

6J8 wires are typically used in resistors or current-sensing applications where stable, high resistivity is required.

Low TCR:

The wire’s low temperature coefficient ensures that resistance remains stable across varying temperatures, which is vital for precision instruments.

Corrosion Resistance:

The alloy provides resistance to oxidation and corrosion, even in harsh or humid environments, ensuring the longevity and accuracy of the components.

Mechanical Properties:

The wire has good tensile strength and can be drawn into fine wire forms for specific applications like precision resistors, shunt resistors, and heating elements.

Application

Precision Resistors:

Used in standard resistors for calibration and reference, ensuring high accuracy.

Employed in high-precision measurement instruments, including digital multimeters, bridge circuits, and laboratory-grade equipment.

Current Shunt Resistors:

Ideal for current sensing in high-accuracy electronic circuits, providing reliable resistance under varying load conditions.

Thermally Compensated Components:

Used in circuits where temperature stability is critical, ensuring consistent performance in temperature-sensitive applications.

Calibration Equipment:

Employed in precision calibration systems to maintain accuracy over time and under different environmental conditions.

Industrial and Laboratory Use:

Found in industrial control systems, temperature measurement devices, and scientific research equipment that require precise and stable electrical resistance.

Advantages of 6J8 Series Precision Resistance Wire:

Long-Term Stability: The material offers stable resistance over long periods, crucial for calibration and measurement applications.
Low Noise: Offers low electromagnetic interference (EMI) and thermal EMF, making it suitable for sensitive measurements.
Durability: Resistant to corrosion and oxidation, ensuring reliable performance in harsh environments.
Versatility: Available in different grades (6J8, 6J8P, 6J8X) for a variety of precision applications, from standard resistors to industrial-grade components.

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Company Jiangyin Chengxin Alloy Material Co., Ltd ，

Location Building 3, No. 29, Beitanghe East Road, Qinglong Street, Tianning District, Changzhou City, Jiangsu Province

Contact Person Changfeng Ye

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6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR for Consistent Performance in Electronic Devices

Advantages of 6J8 Series Precision Resistance Wire:

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