Shenzhen Dowis Electronics Co.,Ltd
| Payment Terms | T/T, L/C |
| Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box |
| Size | 20.5*58.5*11.3mm |
| Model | DW6184C |
| Inductance Test | 800uH±5% |
| Leakage Test | 12uH MAX |
| High-Voltage Insulation Test | 4000V,60 Sec/1750V,60 Sec |
| Layer Isolation | AC 1500 Pulse voltage |
| Brand Name | Dowis |
| Model Number | ERD41 |
| Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN |
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Product Specification
| Payment Terms | T/T, L/C | Delivery Time | 3-4Weeks |
| Packaging Details | Carton Box | Size | 20.5*58.5*11.3mm |
| Model | DW6184C | Inductance Test | 800uH±5% |
| Leakage Test | 12uH MAX | High-Voltage Insulation Test | 4000V,60 Sec/1750V,60 Sec |
| Layer Isolation | AC 1500 Pulse voltage | Brand Name | Dowis |
| Model Number | ERD41 | Certification | CE, UL, RoHs, ISO9001, 16949 |
| Place of Origin | CN | ||
| High Light | 800uH Shielded SMD Power Inductor ，ERD41 Shielded SMD Power Inductor ，power inductor smd 20.5*58.5*11.3mm | ||
ERD41 Shielded SMD Power Manufacture Customized DW6184C
Features
Magnetic shielded structure: excellent resistance to electro magnetic interference(EMI).
A composite structure, ultra low buzz noise.
Low loss, high efficiency, wide application frequency.
Lightweight design, save space, suitable for high density SMT.
Die-casting by low loss alloy powder: low impedance, small parasitic capacitance.
Operating temperature : -40℃ ~ +125℃ (Including coil’s temperature rise)
1. MECHANICAL DIMENSION (UNIT:MM)
2.WIDING CONSTRUCTION
__
3. PROCESS OF WINDING
| Winding | Retaining Wall | Retaining Wall | Ts | Insulating Tape ( light yellow) | Tube | Method of entering Axle | Direction of entering Axle | ||||||
| Top | Pin | Start | End | Wire & Description | Winding Method | Tape Type | TS | Start | End | ||||
| E1 | / | / | 5 | / | 2UEW-F ∅ 0.25mm*1P | 12 | Tightly wind 1 layer | W4.0mm | 2Ts | 30LX15mm | / | ||
| N1 | / | / | 1 | 2 | 1UEW-F ∅ 0.30mm*1P | 16 | Tightly wind 2 layers | W4.0mm | 2Ts | 28LX15mm | 28LX15mm | ||
| N2 | / | / | 9 | 7 | TLW-F ∅ 0.60mm*1P | 4 | Tightly wind 2 layers | W4.0mm | 2Ts | 21LX15mm | 21LX15mm | Pin towards right | Front |
| N3 | / | / | 2 | 3 | 1UEW-F ∅ 0.30mm*1P | 8 | Tightly wind 1 layer | W4.0mm | 2Ts | 28LX15mm | 28LX15mm | ||
| N4 | / | / | 5 | 6 | 1UEW-F ∅ 0.30mm*1P | 6 | Tightly wind 1 layer | W4.0mm | 2Ts | 28LX10mm | 28LX10mm | ||
4. ELECTRICAL SPECIFICATION
| Item | Test Terminal | Test Condition | Standard Requirement | Standard Requirement | |||
| Semi-finished goods | Standard Requirement | Standard Requirement | |||||
| Inductance Test | 1 | 3 | 50KHz,0.1V | 765-835uH | 761-839uH | 800uH±5% | TH1062 or equal |
| Leakage Test | 1 | 3 | 50KHz,0.1V | 12uH MAX | 12uH MAX | 12uH MAX | TH1062 or equal |
| (Circus to other winding) | |||||||
| Direct Current Resistance | 1 | 2 | DC 25℃ | 410m Ω max | 410m Ω max | 410m Ω max | TH2511 or equal |
| 9 | 7 | 35m Ω max | 35m Ω max | 35m Ω max | |||
| 2 | 3 | 230m Ω max | 230m Ω max | 230m Ω max | |||
| 5 | 6 | 200m Ω max | 200m Ω max | 200m Ω max | |||
| Turns Test | All winding | 20KHz,1V | (1--3):(9-7):(5-6)=24:4:6(±0.3Ts) | CH3250 or equal | |||
| Circus Test | Pin3-5 | ||||||
| High-Voltage Insulation Test | Primary to Secondary | AC-50Hz-1mA | 4000V,3 Sec | 4300V,3 Sec | 4000V,60 Sec | CJ2670 or equal | |
| Primary to Core | 1750V,3 Sec | 2000V,3 Sec | 1750V,60 Sec | ||||
| Secondary-Core | 1750V,3 Sec | 2000V,3 Sec | 1750V,60 Sec | ||||
| Layer Isolation | Pin(1-3) | 50Hz | AC 1500 Pulse voltage | FT6815 or equal | |||
Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system certification, the product has passed the "UL""CQC" and other safety certifications. The products are widely used in communication equipment, new energy vehicles, industrial control equipment, high-power LED drives and other market areas. The industry has high visibility. In addition to the domestic market, but also exported to many countries in Europe and the United States.
In order to further expand production capacity, it has set up a special test area construction area in zhaoqing YueGui cooperation in 2018 of 14000 square meters of manufacturing center named ZhaoQing Sheng Xiang electronic technology co., Ltd. Its management technical team has rich experience in cooperating with customers from well-known domestic enterprises and overseas. The design of products can fully follow customer’s needs and services with a good quality control system, and it has been recognized by many famous enterprises as the core suppliers. We look forward to cooperating with you.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2008
Total Annual:
13,000,000.00-14,800,000.00
Employee Number:
480~500
Ecer Certification：
Active Member
Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system cert... Shenzhen Dowis Electronics Co., Ltd. is a professional manufacturer of electronic transformers, inductors, and filters integrating R&D, production, and sales. It is a national high-tech enterprise and has passed the IATF16949:2016 automotive industry quality management system cert...
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