Established in 2010, Zhuhai Dongheng Electronics is a young and powerful enterprise, which is good at making RF Balun transformer.
The company is now mainly engaged in the customization of RF transformer, Inductors, coils, couplers, splitters, chokes and beads.
SPNRSeriesDimensionDiagram(unit:mm)SeriesA(mm)B(mm)C(mm)D(mm)E(mm)SPNR30103.0±0.13.0±0.11.1max2.70.8SPNR30123.0±0.13.0±0.11.3max2.70.8SPNR30153.0±0.13.0±0.11.5max2.70.8SPNR40104.0±0.24.0±0.21.1max3.71.2SPNR40124.0±0.24.0±0.21.3max3.71.2SPNR40184.0±0.24.0±0.21.8max3.71.2SPNR40204.0±0.24.0±0.22.0max3.71.2SPNR40304.0±0.24.0±0.23.0max3.71.2SPNR50205.0±0.25.0±0.22.0max4.01.25SPNR50405.0±0.25.0±0.24.0max4.01.25SPNR60206.0±0.26.0±0.22.0max5.71.55SPNR60286.0±0.26.0±0.22.8max5.71.55SPNR60456.0±0.26.0±0.24.5max5.71.55SPNR80408.0±0.28.0±0.24.2max7.52.0SPNR3010SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR3010-1R0N100KHz/0.3V1±300.0651.31.4SPNR3010-1R8N100KHz/0.3V1.8±300.081.21.3SPNR3010-2R2M100KHz/0.3V2.2±200.0951.11.1SPNR3010-3R3M100KHz/0.3V3.3±200.140.870.94SPNR3010-4R7M100KHz/0.3V4.7±200.190.750.78SPNR3010-6R8M100KHz/0.3V6.8±200.30.610.63SPNR3010-100M100KHz/0.3V10±200.450.50.51SPNR3010-150M100KHz/0.3V15±200.740.40.4SPNR3010-220M100KHz/0.3V22±201.030.350.35SPNR3010-330M100KHz/0.3V33±201.550.260.28SPNR3010-470M100KHz/0.3V47±202.050.220.24SPNR3012SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR3012-1R0N100KHz/0.3V1±300.051.51.49SPNR3012-1R5N100KHz/0.3V1.5±300.061.361.4SPNR3012-2R2M100KHz/0.3V2.2±200.081.11.2SPNR3012-3R3M100KHz/0.3V3.3±200.10.911.05SPNR3012-4R7M100KHz/0.3V4.7±200.130.770.98SPNR3012-6R8M100KHz/0.3V6.8±200.190.670.74SPNR3012-100M100KHz/0.3V10±200.290.540.63SPNR3012-150M100KHz/0.3V15±200.450.440.49SPNR3012-220M100KHz/0.3V22±200.630.380.42SPNR3012-330M100KHz/0.3V33±201.030.310.33SPNR3012-470M100KHz/0.3V47±201.450.250.28SPNR3015SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR3015-1R0N100KHz/0.3V1±300.032.12.1SPNR3015-1R5N100KHz/0.3V1.5±300.041.81.82SPNR3015-2R2M100KHz/0.3V2.2±200.061.481.5SPNR3015-3R3M100KHz/0.3V3.3±200.081.211.23SPNR3015-4R7M100KHz/0.3V4.7±200.121.021.04SPNR3015-6R8M100KHz/0.3V6.8±200.160.870.88SPNR3015-100M100KHz/0.3V10±200.230.70.71SPNR3015-150M100KHz/0.3V15±200.360.560.56SPNR3015-220M100KHz/0.3V22±200.520.470.47SPNR3015-330M100KHz/0.3V33±200.840.390.37SPNR3015-470M100KHz/0.3V47±201.340.320.3SPNR4010SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR4010-1R0N100KHz/0.3V1±300.11.81.05SPNR4010-2R2N100KHz/0.3V2.2±300.151.150.89SPNR4010-3R3M100KHz/0.3V3.3±200.181.10.82SPNR4010-4R7M100KHz/0.3V4.7±200.210.90.75SPNR4010-6R8M100KHz/0.3V6.8±200.30.740.62SPNR4010-100M100KHz/0.3V10±200.380.560.6SPNR4010-150M100KHz/0.3V15±200.510.470.51SPNR4010-220M100KHz/0.3V22±200.870.360.4SPNR4010-330M100KHz/0.3V33±201.540.280.3SPNR4010-470M100KHz/0.3V47±201.810.240.28SPNR4012SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR4012-1R0N100KHz/0.3V1±300.062.51.5SPNR4012-2R2M100KHz/0.3V2.2±200.091.651.2SPNR4012-3R3M100KHz/0.3V3.3±200.131.20.98SPNR4012-4R7M100KHz/0.3V4.7±200.141.050.96SPNR4012-6R8M100KHz/0.3V6.8±200.180.90.84SPNR4012-100M100KHz/0.3V10±200.240.740.77SPNR4012-150M100KHz/0.3V15±200.40.560.6SPNR4012-220M100KHz/0.3V22±200.480.510.54SPNR4012-330M100KHz/0.3V33±200.810.40.42SPNR4012-470M100KHz/0.3V47±2010.350.37SPNR4018SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR4018-1R0N100KHz/0.3V1±300.0341.83SPNR4018-2R2M100KHz/0.3V2.2±200.062.71.44SPNR4018-3R3M100KHz/0.3V3.3±200.0721.23SPNR4018-4R7M100KHz/0.3V4.7±200.091.71.2SPNR4018-6R8M100KHz/0.3V6.8±200.111.451.06SPNR4018-100M100KHz/0.3V10±200.181.20.84SPNR4018-150M100KHz/0.3V15±200.250.940.65SPNR4018-220M100KHz/0.3V22±200.360.80.59SPNR4018-330M100KHz/0.3V33±200.530.650.49SPNR4018-470M100KHz/0.3V47±200.650.570.42SPNR4018-680M100KHz/0.3V68±2010.470.32SPNR4018-101M100KHz/0.3V100±201.50.40.27SPNR4018-151M100KHz/0.3V150±202.50.310.22SPNR4018-221M100KHz/0.3V220±2040.270.17SPNR4020SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR4020-1R0N100KHz/0.3V1±300.0294.852.15SPNR4020-1R2N100KHz/0.3V1.2±300.0295.12.15SPNR4020-1R5N100KHz/0.3V1.5±300.0354.451.98SPNR4020-2R2M100KHz/0.3V2.2±200.043.41.85SPNR4020-3R3M100KHz/0.3V3.3±200.073.21.4SPNR4020-4R7M100KHz/0.3V4.7±200.0752.351.34SPNR4020-5R6M100KHz/0.3V5.6±200.092.21.22SPNR4020-6R8M100KHz/0.3V6.8±200.1252.21.04SPNR4020-100M100KHz/0.3V10±200.1651.60.9SPNR4020-150M100KHz/0.3V15±200.231.350.77SPNR4020-220M100KHz/0.3V22±200.351.050.62SPNR4020-330M100KHz/0.3V33±200.550.850.49SPNR4020-390M100KHz/0.3V39±200.650.820.46SPNR4020-470M100KHz/0.3V47±200.710.740.44SPNR4020-560M100KHz/0.3V56±200.80.660.41SPNR4020-680M100KHz/0.3V68±201.060.610.36SPNR4020-820M100KHz/0.3V82±201.170.560.34SPNR4020-101M100KHz/0.3V100±201.350.520.31SPNR4030SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR4030-1R0N100KHz/0.3V1±300.0226.23.1SPNR4030-1R2N100KHz/0.3V1.2±300.0255.82.96SPNR4030-1R5N100KHz/0.3V1.5±300.034.842.92SPNR4030-2R2M100KHz/0.3V2.2±300.0354.92.57SPNR4030-3R3M100KHz/0.3V3.3±200.043.32.4SPNR4030-4R7M100KHz/0.3V4.7±200.062.92SPNR4030-5R6M100KHz/0.3V5.6±200.0652.61.95SPNR4030-6R8M100KHz/0.3V6.8±200.092.751.6SPNR4030-100M100KHz/0.3V10±200.11.951.5SPNR4030-150M100KHz/0.3V15±200.191.651.11SPNR4030-220M100KHz/0.3V22±200.2251.31SPNR4030-330M100KHz/0.3V33±200.331.10.84SPNR4030-390M100KHz/0.3V39±200.4351.030.73SPNR4030-470M100KHz/0.3V47±200.4450.950.72SPNR4030-560M100KHz/0.3V56±200.5550.850.65SPNR4030-680M100KHz/0.3V68±200.8680.750.52SPNR4030-820M100KHz/0.3V82±201.060.660.47SPNR4030-101M100KHz/0.3V100±201.150.60.45SPNR5020SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR5020-1R0N100KHz/0.3V1±300.0184.333.7SPNR5020-1R5N100KHz/0.3V1.5±300.0263.853.2SPNR5020-2R2M100KHz/0.3V2.2±300.0353.852.9SPNR5020-3R3M100KHz/0.3V3.3±300.0443.252.4SPNR5020-4R7M100KHz/0.3V4.7±300.0592.42.05SPNR5020-6R8M100KHz/0.3V6.8±200.0871.81.7SPNR5020-100M100KHz/0.3V10±200.111.791.5SPNR5020-150M100KHz/0.3V15±200.1651.441.25SPNR5020-220M100KHz/0.3V22±200.2351.181.05SPNR5020-330M100KHz/0.3V33±200.370.970.83SPNR5020-470M100KHz/0.3V47±200.5250.810.7SPNR5020-680M100KHz/0.3V68±200.8850.70.53SPNR5020-101M100KHz/0.3V100±201.060.570.49SPNR5040SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR5040-1R5N100KHz/0.3V1.5±300.0137.34.45SPNR5040-2R2M100KHz/0.3V2.2±300.0176.53.95SPNR5040-3R3M100KHz/0.3V3.3±300.0255.13.4SPNR5040-4R7M100KHz/0.3V4.7±300.0294.43.1SPNR5040-6R8M100KHz/0.3V6.8±200.0433.82.4SPNR5040-100M100KHz/0.3V10±200.0552.92.1SPNR5040-150M100KHz/0.3V15±200.0892.31.6SPNR5040-220M100KHz/0.3V22±201261.91.4SPNR5040-330M100KHz/0.3V33±200.1921.61.2SPNR5040-470M100KHz/0.3V47±200.2831.30.94SPNR6020SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR6020-0R8N100KHz/0.3V0.8±300.025.53.8SPNR6020-1R5N100KHz/0.3V1.5±300.02643.2SPNR6020-2R2N100KHz/0.3V2.2±300.0343.22.7SPNR6020-3R3N100KHz/0.3V3.3±300.042.82.6SPNR6020-4R7N100KHz/0.3V4.7±300.0582.42SPNR6020-6R8N100KHz/0.3V6.8±300.08521.8SPNR6020-100M100KHz/0.3V10±200.1251.71.4SPNR6020-220M100KHz/0.3V22±200.291.050.95SPNR6028SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR6028-0R9N100KHz/0.3V0.9±300.0136.64.6SPNR6028-1R5N100KHz/0.3V1.5±300.01654.2SPNR6028-2R2N100KHz/0.3V2.2±300.024.23.7SPNR6028-3R0N100KHz/0.3V3±300.0233.63.4SPNR6028-4R7N100KHz/0.3V4.7±300.0312.73SPNR6028-6R0M100KHz/0.3V6±200.042.52.5SPNR6028-100M100KHz/0.3V10±200.0651.91.9SPNR6028-150M100KHz/0.3V15±200.0951.61.8SPNR6028-220M100KHz/0.3V22±200.1351.31.4SPNR6028-330M100KHz/0.3V33±200.221.11.1SPNR6028-470M100KHz/0.3V47±200.30.950.92SPNR6028-680M100KHz/0.3V68±200.420.760.77SPNR6028-101M100KHz/0.3V100±200.60.620.66SPNR6045SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR6045-1R0N100KHz/0.3V1±300.0148.54.2SPNR6045-1R3N100KHz/0.3V1.3±300.01684SPNR6045-1R8N100KHz/0.3V1.8±300.01873.7SPNR6045-2R3N100KHz/0.3V2.3±300.02163.5SPNR6045-3R0N100KHz/0.3V3±300.02453.2SPNR6045-4R5M100KHz/0.3V4.5±200.03143SPNR6045-6R3M100KHz/0.3V6.3±200.0383.82.8SPNR6045-100M100KHz/0.3V10±200.04732.5SPNR6045-150M100KHz/0.3V15±200.0772.31.9SPNR6045-220M100KHz/0.3V22±200.1151.91.5SPNR6045-330M100KHz/0.3V33±200.1451.51.4SPNR6045-470M100KHz/0.3V47±200.221.31.1SPNR6045-680M100KHz/0.3V68±200.3310.9SPNR6045-101M100KHz/0.3V100±200.50.80.7SPNR8040SeriesTestFrequency(Hz)Inductance(uH)Tolerance(%)DCR(Ω)
maxRatedCurrentPartNumberIsat(A)Irms(A)SPNR8040-0R9N100KHz/0.3V0.9±300.006117.8SPNR8040-1R4N100KHz/0.3V1.4±300.00797SPNR8040-2R0N100KHz/0.3V2±300.0097.46.3SPNR8040-3R6N100KHz/0.3V3.6±300.0155.34.9SPNR8040-4R7N100KHz/0.3V4.7±300.0184.74.1SPNR8040-6R8N100KHz/0.3V6.8±300.02543.7SPNR8040-100M100KHz/0.3V10±200.0343.43.1SPNR8040-150M100KHz/0.3V15±200.052.72.4SPNR8040-220M100KHz/0.3V22±200.0662.22.2SPNR8040-330M100KHz/0.3V33±200.11.91.7SPNR8040-470M100KHz/0.3V47±200.151.51.4SPNR8040-680M100KHz/0.3V68±200.231.21.1SPNR8040-101M100KHz/0.3V100±200.2911Notes:
1,theinductancetolerance:J+5%;K+10%;L+15%;M+20%,customerscanchooseaccordingtotheirownconditions,inductancetolerance!
2,ifthestandardexceedstherequirementsoftheabove,youcanalsocustomizetheproductaccordingtocustomer'sneeds!