Active Member
|
[China]
Address: B Blding,Huangpu Runhe Industrial Park, Zhentou Road,Huangpu Community, Shajing street, Bao'An District Shenzhen P.R.C
Contact name:Lau
Shenzhen Dowis Electronics Co.,Ltd |
|
|
PQ26 DIP Power Inductor Manufacturer Customized T Choke DW4856
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.
1. Drawing (Unit: mm)
2. Process of Winding
| Winding | Margin Barrier | Pin Position | Wire & Description | TS | Method of winding | Groove position | Insulation Tape | Tube | Method of entering axle | Direction of axle | |||||
| TOP | PIN top | Start | End | Start | End | Tape type | TS | Start | End | ||||||
| *No bobbin, the central column is wrapped in 1TS Nome paper and fixed with 2TS adhesive tape | |||||||||||||||
| N1 | (1) | (2) | 2UEW-F,φ0.15mm×20 bars Stranded wire | 20 | Tightly winding 4 layers | / | / | 0.025×4.5mm | 2 | 18L×10mm | 18L×10mm | Pin towards left | Front | ||
3. Electrical Characteristics
Item | Test terminal | Test condition | Standard requirement | Equipment | |||
Semi-finished goods |
Finished goods |
QC exam | |||||
Inductance test | 1 | 2 |
10KHz,0.3V |
68uH±3% |
68uH±4.5% |
68uH±5% |
TH1062 or equal |
Leakage test | 1 | 2 |
10KHz,0.3V (short circuit to other PIN) | / | / | / |
TH1062 or equal |
Direct current resistance | 1 | 2 |
DC 25℃ |
80mΩ max |
80mΩ max |
80mΩ max |
TH2511 or equal |
TS test | 1 | 2 | / |
20 (±0.2Ts) |
20 (±0.2Ts) |
20 (±0.2Ts) |
YG-108 or equal |
Innerturn short circuit test | 1 | 2 | 1500V No abnormality in waveform |
TF-6815 or equal | |||
High-voltage test | Pin 1+2 to Core |
DC-50Hz-5mA |
DC 500±10V,1~2Sec |
DC 500±10V,1~2Sec |
DC 500±10V,1~2Sec |
CJ2670 or equal | |
