1. 五环图型及尺寸( SHAPE AND SIZE) ( 单位 mm )
| 五环类型 | A max | B min | C ref | D max | E±0.05 | F max |
| HFC0205 | 6.0 | 5.0 | 5 | 3.5 | 0.2-2.0mm | 1.5 |
| HFC0310 | 11.0 | 5.0 | 8 | 5.0 | 0.2-2.0mm | 1.5 |
| HFC0415 | 16.0 | 5.0 | 12 | 5.5 | 0.2-2.0mm | 1.5 |
| HFC0520 | 21.0 | 5.0 | 18 | 7.0 | 0.2-2.0mm | 1.5 |
| HFC0630 | 31.0 | 5.0 | 28 | 9.5 | 0.2-2.0mm | 1.5 |
| HFC0820 | 23.0 | 5.0 | 18 | 16.0 | 0.2-2.0mm | 1.5 |
| HFC1040 | 42.0 | 5.0 | 38 | 24.0 | 0.2-2.0mm | 1.5 |
2. 五环编号表示
HFC 0630 - 100 K -3A
(1) (2) (3) (4) (5)
(1). 编号(Type) : 耐大电流电感（Basic model high current choke) ( HFc )
(2). 铁芯尺寸（Size) : ,直径=6mm , 长度=20mm （core size: D=10mm, L=12mm) (0630 )
(3). 标称电感值班(Inductance) : "100"表示 10uH（Example: "100"for 10UH) ( 100 )
(4). 电感公差（Tolerance) :"M:±20%, "K":±10% , "J":±5% ( K )
(5). 额定电流（Rated DC current ): 3A : ( 3A )
3. 详细规格
| PART NO. | L m H | DCR (Ω) | Net weight | I mA |
| @1KHZ | MAX | 成品重 | MAX | |
| 电感值 | 直流电阻 | G/PCS | 额定电流 | |
| HFC0205-1R0K | 1.0 | 0.040 | 0.15 | 0.56 |
| HFC0205-1R2K | 1.2 | 0.040 | 0.17 | 0.56 |
| HFC0310-1R8K | 1.8 | 0.026 | 0.70 | 1.90 |
| HFC0310-2R2K | 2.2 | 0.028 | 0.71 | 1.57 |
| HFC0310-2R7K | 2.7 | 0.030 | 0.73 | 1.57 |
| HFC0310-3R3K | 3.3 | 0.035 | 0.69 | 1.27 |
| HFC0310-3R9K | 3.9 | 0.050 | 0.63 | 1.00 |
| HFC0310-4R7K | 4.7 | 0.070 | 0.58 | 0.76 |
| HFC0415-4R7K | 4.7 | 0.024 | 1.60 | 2.26 |
| HFC0415-5R6K | 5.6 | 0.030 | 1.40 | 1.90 |
| HFC0415-6R8K | 6.8 | 0.040 | 1.40 | 1.57 |
| HFC0415-8R2K | 8.2 | 0.060 | 1.32 | 1.27 |
| HFC0415-100K | 10.0 | 0.080 | 1.20 | 1.00 |
| HFC0520-100K | 10 | 0.040 | 3.10 | 2.65 |
| HFC0520-120K | 12 | 0.044 | 2.98 | 2.26 |
| HFC0520-150K | 15 | 0.060 | 2.97 | 1.90 |
| HFC0520-180K | 18 | 0.080 | 2.87 | 1.57 |
| HFC0520-220K | 22 | 0.100 | 2.73 | 1.27 |
| HFC0520-270K | 27 | 0.150 | 2.63 | 1.00 |
| HFC0630-4R7K | 4.7 | 0.005 | 10.20 | 16.08 |
| HFC0630-5R6K | 5.6 | 0.005 | 11.00 | 16.08 |
| HFC0630-6R8K | 6.8 | 0.008 | 8.68 | 10.61 |
| HFC0630-8R2K | 8.2 | 0.009 | 8.35 | 9.04 |
| HFC0630-100K | 10 | 0.010 | 8.80 | 9.04 |
| HFC0630-120K | 12 | 0.018 | 7.43 | 6.28 |
| HFC0630-150K | 15 | 0.023 | 7.23 | 5.08 |
| HFC0630-180K | 18 | 0.030 | 6.70 | 4.02 |
| HFC0630-220K | 22 | 0.045 | 6.24 | 3.07 |
| HFC0630-270K | 27 | 0.050 | 6.40 | 3.07 |
| HFC0630-330K | 33 | 0.060 | 6.53 | 2.65 |
| HFC0630-390K | 39 | 0.080 | 6.23 | 2.26 |
| HFC0630-470K | 47 | 0.110 | 6.22 | 1.90 |
| HFC0630-560K | 56 | 0.140 | 5.80 | 1.57 |
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