纳米晶材料具有比铁氧体高出许多的饱和磁通密度，具有更高的初始磁导率，优良的阻抗-频率特性，优良的温度稳定性，被广泛用于制作共模电感。由于非晶、纳米晶磁导率更高，在低频是可以有很高的电感量，与铁氧体相同尺寸绕制相同电感量时，圈数较铁氧体少，因此具有更小的分布电容及最高的谐振频率。
纳米晶较铁氧体贵，但由于绕制的圈数更少，用铜量减少，实际绕制成本减少，具备更高的生产效率。共模电感设计时分布电容不可忽视，分布电容包括绕组自身电容及绕组与磁芯间的电容。绕组身身电容包括匝间和层间的电容。反射到绕组两端的电容与层间电容及层间的电位差有关。在共模电感多层绕制中，匝间电位差较小，但层间电位差较大，导致层间电容对线圈的固有电容影响较大。因此采用非晶、纳米晶减少绕制层数是最好的选择。
Nanocrystalline materials possess a much higher saturation flux density Bs than ferrite, along with higher initial permeability, excellent impedance-frequency characteristics, and superior temperature stability, making them widely used in the manufacture of common mode chokes.Due to the higher permeability of amorphous and nanocrystalline materials, high inductance can be achieved even at low frequencies. When designing for the same inductance within the same physical dimensions as ferrite, fewer turns are required. This results in lower distributed capacitance and a higher resonant frequency.Although nanocrystalline materials are more expensive than ferrite, the reduced number of turns decreases copper usage, thereby lowering the actual winding cost and improving production efficiency.In the design of common mode chokes, distributed capacitance is a critical factor that cannot be ignored. This includes the capacitance between the winding and the core, as well as the winding's self-capacitance. The winding's self-capacitance comprises both inter-turn and inter-layer capacitance. The capacitance reflected across the winding terminals is directly related to the inter-layer capacitance and the potential difference between the layers.In multi-layer windings of common mode chokes, the inter-turn potential difference is small, whereas the inter-layer potential difference is relatively large. Consequently, the inter-layer capacitance significantly impacts the coil's intrinsic capacitance. Therefore, utilizing amorphous or nanocrystalline materials to minimize the number of winding layers is the optimal solution.
料号标识
P/N Identification① 出线脚形状:V 立式，H 卧式。
Terminal/Lead Configuration: V for Vertical, H for Horizontal.
②磁芯规格: 外径X 内径X 高。
Core Dimensions: OD x ID x HT.
③ 电感值:例如"103"代表 10mH。
Inductance: e.g., "103" represents 10mH.
④ 电感值容许公差:"N"：+30%;"U"：最小值。
Inductance Tolerance: "N" denotes ±30%; "U" denotes Minimum (Min.).
⑤线径。
Wire Diameter.
*因为相同尺寸规格电感量的电感器特性并不一定相同，所以均需送样确认。制样时，工程部会根据客户要求制作样品留底实物样品及测试记录，并给出产品料号，后续订货注明产品料号即可。
*Since inductors with the same dimensions and inductance values may not necessarily exhibit identical characteristics, sample verification is required in all cases.During the sampling process, the Engineering Department will produce samples based on customer requirements, retain a physical sample and test records for our archives, and assign a specific product part number. For all subsequent orders, simply specifying this part number is sufficient.
产品特点
Product Features1.高的初始磁导率和高磁导率水平，较少的圈数可获得较高的电感量。
High initial permeability and overall high permeability levels: High inductance values can be achieved with fewer winding turns.
2.高饱和磁通密度。
High saturation flux density.
3.低涡流损耗。
Low eddy current losses.
4.良好的宽频特性和温度特性，可在较高的工作温度长期使用。
Excellent broadband and temperature characteristics: Suitable for long-term operation at elevated working temperatures.
5.突出的抗不平衡电流能力。
Outstanding resistance to unbalanced currents.
测试设备及条件
Test Equipment & Conditions1. L/Z: TH2828S Automatic Component Analyzer
2. Z: HP4291B RF Impedance/Material Analyzer
3.SRF: HP4291B RF Impedance/Material Analyzer
4. DCR: TH2513A Milli-ohm meter
5.Electrical specifications at 25°C
铁基纳米晶磁环带材介绍
Introduction to Iron-based Nanocrystalline Ribbons 纳米晶材料(超微晶)的主要成分是铁、锯、铜、硅、硼，这种特定成分的合金，先利用急冷技术 (冷却速度每秒10°C)制造成非晶态材料，再经过热处理使其产生晶粒尺寸为纳米级的结晶。其显著特点是: 生产制造流程短，一步成型，高效节能，其突出的性能优点在于兼具了铁基非晶合金的高饱和磁感应强度 (Bs) 以及钻基合金的高磁导率和低损耗，能够很好地满足高频低损耗的性能要求。
The main components of Nanocrystalline material (also known as ultrafine crystallite) are Iron (Fe), Niobium (Nb)*, Copper (Cu), Silicon (Si), and Boron (B). This specifically formulated alloy is first manufactured into an amorphous state using rapid quenching technology (at a cooling rate of approx.10°C/s) and is subsequently subjected to heat treatment to generate crystalline grains at the nanometer scale.Its significant characteristics include a short manufacturing process, one-step forming capability, and high energy efficiency.Its outstanding performance advantage lies in combining the high saturation magnetic flux density (Bs) of iron-based amorphous alloys with the high permeability and low loss of cobalt-based* alloys. This allows it to effectively meet the performance requirements for high-frequency and low-loss applications.
高导锰锌共模电感与纳米晶共模电感对比测试
Comparative Testing of High Permeability Mn-Zn vs. Nanocrystalline Common Mode Chokes一.材料(material)1.选取高导锰锌磁环 20X12X8,用0.6漆包线绕制 50.5圈，1KHz/0.3V 电感量在 40mH 左右。
High Permeability Mn-Zn Ferrite Core (20x12x8): Wound with 50.5 turns of Φ0.6mm enameled wire. The inductance at 1kHz/0.3V is approximately 40mH.
2.选取纳米晶磁环 20X12X8，用 0.6 漆包线绕制 21.5圈，1KHz/0.3V 电感量在 40mH 左右。
Nanocrystalline Core (20x12x8): Wound with 21.5 turns of Φ0.6mm enameled wire. The inductance at 1kHz/0.3V is approximately 40mH.
二.Z-Freq.频率特性(Z-Frequency Characteristics)
根据阻抗对比曲线图可以看出，锰锌 20128 在1MHz以前阻抗值高于纳米晶20128，但1MHz~10MHz远低于纳米晶 20128；锰锌20128在 561.109kHz阻抗达到峰值后开始下降，下降较为迅速：纳米晶在1.84mHZ阻抗达到峰值后开始下降，下降较锰锌20128缓慢。
As shown in the impedance comparison curve, the impedance of the Mn-Zn 20128 is higher than that of the Nanocrystalline 20128 at frequencies below
1 MHz. However, in the
1 MHz to 10 MHz range, it is significantly lower than the Nanocrystalline 20128;The Mn-Zn 20128 impedance peaks at
561.109 kHz and then begins to decrease rapidly. In contrast, the Nanocrystalline core peaks at
1.84 MHz, and its subsequent decline is more gradual compared to the Mn-Zn 20128.
电感纳米晶磁环常用规格表(规格表以外尺寸也可按客户要求制作)
Standard Specifications for Nanocrystalline Inductor Cores (Note: Sizes not listed in the table can be customized according to customer requirements)
纳米晶共模电感带护盒
Nanocrystalline Common Mode Choke (with Protective Case)
