(1) The shaded area in the figure is SN100% electroplated or automatic lead-free solder treatment (Sn96.5%, Ag3%, Cu0.5%);
(2) The immersion tin range is the minimum min, the maximum max part;
(3) The appearance of the product is not deformed, there is no residue in the immersion tin part of the patent leather, and the insulating paint is not damaged, and it is tested by pinhole;
(4) Product material: enameled copper wire.
| Product Model | A | B | C | D | E | F | Weight |
| ±0.10 | ±0.20 | ±0.10 | （mg) | ||||
| SMDE550-47N | 4.06 | 3.56 | 3.73 | 3.56 | 4.45 | 1.78 | 100.0 |
| SMDE550-68N | 5.33 | 3.56 | 3.73 | 4.83 | 4.45 | 1.78 | 130.0 |
| SMDE550-82N | 5.84 | 3.56 | 3.73 | 5.33 | 4.45 | 1.78 | 160.0 |
(1) Inductance meansured at specified frequency, 0.1Vrms, 0 A using HP4287A LCRmeter or equivalent with SMD test fixture.
(2) Inductance tolerance in bold are stocked for shipment.
(3) Q meansured at specified test frequency, using HP4287A LCR meter or equivalent.
(4) SRF meansured using HP8753 network analyzer and SMD test fixture.
(5) Current that causes a 20°C temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings.
(6) Electrical specification at 25°C ambient.
(7) Resistance to soldering heat : Max three 40s reflows at +260°C, parts cooled to room temperature between cycles.
(8) Temperature Coefficient of Inductance : +5 to +70 ppm/°C.
Square Air Core Inductors
| Series | Inductance | Test | DCR | Q | SRF | lrms |
| nH | frequency | (MΩ) | (GHz) | |||
| ±3% | (MHz) | max | typ | max | (A) | |
| SMDE550-47N | 47nH | 400 | 6.35 | 230 | 1.87 | 4.9 |
| SMDE550-68N | 68nH | 400 | 8.60 | 230 | 2.13 | 5.5 |
| SMDE550-82N | 82nH | 400 | 9.40 | 230 | 1.79 | 5.6 |
| Product Model | A | B | C | K |
| SMDE550-47N | 4.80mm | 4.80mm | 12.0mm | 4.00mm |
| SMDE550-68N | 4.80mm | 6.20mm | 12.0mm | 4.00mm |
| SMDE550-82N | 4.80mm | 6.80mm | 12.0mm | 4.00mm |
(1) When you select the desired product model,we will arrange a free sample for you to test.
(2) All your enquiries and emails will be replied within 12 hours.
(3) Experienced staff answer your questions in professional and fluent English.
(4) We can provide you with high quality and competitive price products.The larger the order quantity, the lower the price.
(5) Thoroughly inspected by excellent quality control to ensure durability,reliability and lifetime technical guidance.
(6) Delivery time:5-10 days
(7) Minimum order quantity:2000PCS per package.
(8) We can also customize the products you want, but you need to provide relevant product information.
(1) Especially for RF applications.
(2) Ideal for high current applications.
(3) Broad band filter.
(4) RF-Decoupling.
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