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Shenzhen Dowis Electronics Co.,Ltd
5 Years
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| Brand Name : | Dowis |
| Model Number : | PQ2625, PQ series |
| Certification : | CE, UL, RoHs, ISO9001, 16949 |
| Payment Terms : | T/T, L/C |
| Delivery Time : | 3-4Weeks |
PQ2625 High-Frequency Transformer Manufacturer Customized DW4029
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 Item | Barrier Tape | Foot Position | Wire & Description | TS | Winding Method | Groove Position | Insulation Tape | Tube | Method of Entering Axle | Direction of Entering Axle | ||||
| Start | End | Start | End | Tape Type (Kapton) | TS | Start | End | |||||||
| N1 | / | (5) | ROD | TIW-3 ￠0.50mm×1P | 18 | Tightly wind a layer,The tail wire is reserved to wind N10 | Between Pin4 & 5 | Top of Pin1-6 | T0.025×14mm | 3.1 | 22L×20mm | / | Pin towards right | Clockwise |
| N2 | / | (9) | (7) | 2UEW-F ￠0.50mm×4P | 2 | Three sets of wires are wound together；tightly wind a layer | Between Pin9 & 10 | Between Pin7 & 8 | T0.025×14mm | 1.1 | 15L×15mm | 15L×15mm | ||
| N3 | / | (7) | (8) | 2UEW-F ￠0.50mm×4P | 2 | Between Pin7 & 8 | Between Pin8 & 9 | 15L×15mm | 15L×15mm | |||||
| N4 | / | (C) | (D) | 2UEW-F ￠0.30mm×1P | 2 | Top of Pin7-12 | Top of Pin7-12 | 26L×242mm (Trapping the whole wire) | ||||||
| N5 | / | (11) | (12) | 2UEW-F ￠0.50mm×2P | 4 | Three sets of wires are wound together；tightly wind a layer | Between Pin10 & 11 | Between Pin11 & 12 | T0.025×14mm | 3.1 | 18L×15mm | 18L×15mm | ||
| N6 | / | (12) | (10) | 2UEW-F ￠0.50mm×2P | 4 | Between Pin11 & 12 | Between Pin9 & 10 | 18L×15mm | 18L×15mm | |||||
| N7 | / | (A) | (B) | 2UEW-F ￠0.30mm×1P | 2 | Between Pin11 & 12 | Between Pin11& 12 | 26L×200mm(套整条线) | ||||||
| N8 | / | (1) | (2) | TIW-3 ￠0.20mm×1P | 3 | Two sets of wires are wound together, Sparsely wind a layer | Between Pin1 & 2 | Between Pin2 & 3 | T0.025×14mm | 1.1 | 26L×15mm | 26L×15mm | ||
| N9 | / | (4) | (3) | TIW-3 ￠0.20mm×1P | 1 | Between Pin3 & 4 | Between Pin3 & 4 | 26L×15mm | 26L×15mm | |||||
| N10 | / | ROD | (6) | TIW-3 ￠0.50mm×1P | 14 | Connect N1 reserved wire tightly wind a layer | Top of Pin1-6 | Between Pin5 & 6 | T0.025×14mm | 2.5 | / | 26L×15mm | ||
3.Electric Performance
| Item | Test Terminal | Test Condition | standard request | Equipment | |||||
| Semi-finished goods | Manufactured goods | QC Exam | |||||||
| Inductance Test | 5 | 6 | 100KHz,0.3V | 559.7~600.3uH | 551~609uH | 550~610uH | TH1062 or equal | ||
| Leakage Test | 5 | 6 | 100KHz,0.3V | 5uH MAX | 5uH MAX | 5.0uH MAX | TH1062 or equal | ||
| Short circus to otherPIN | TH1062 or equal | ||||||||
| Q Value | 5 | 6 | 100KHz,0.3V | 150 MIN | 150 MIN | 150 MIN | TH2511 or equal | ||
| Direct Current Resistance | 1 | 2 | DC 25℃ | 150m Ω max | 150m Ω max | 150m Ω max | |||
| 4 | 3 | 60m Ω max | 60m Ω max | 60m Ω max | |||||
| 5 | 6 | 200m Ω max | 200m Ω max | 200m Ω max | |||||
| 7 | 8 | 6m Ω max | 6m Ω max | 6m Ω max | |||||
| 9 | 7 | 5m Ω max | 5m Ω max | 5m Ω max | |||||
| 11 | 12 | 16m Ω max | 16m Ω max | 16m Ω max | |||||
| 12 | 10 | 15m Ω max | 15m Ω max | 15m Ω max | |||||
| A | B | 80m Ω max | 80m Ω max | 80m Ω max | |||||
| C | D | 90m Ω max | 90m Ω max | 90m Ω max | |||||
| Turns Test | All winding | 20KHz,1V | 32:2:2:2:4:4:2:3:1 | 32:2:2:2:4:4:2:3:1 | 32:2:2:2:4:4:2:3:1(±0.2TS) | CH3250 or equal | |||
| (±0.2TS) | (±0.2TS) | ||||||||
| High-Voltage Insulation Tes | Primary－Secondary | AC-50Hz-1.0mA | 3750V,1~2 Sec | 4200±10V,1~2 Sec | 3750V, 60 Sec | CJ2670 or equal | |||
| Primary－Core | AC-50Hz-1.0mA | 3750V,1~2 Sec | 4200±10V,1~2 Sec | 3750V, 60 Sec | |||||
| Secondary－Core | AC-50Hz-1.0mA | 1500V,1~2 Sec | 1800±10V,1~2 Sec | 1500V, 60 Sec | |||||
| Pin9+7 to Pin11+12+A+C | AC-50Hz-1.0mA | 500V,1~2 Sec | 600±10V,1~2 Sec | 500V, 60 Sec | |||||
| Pin11+12 to A+C | AC-50Hz-1.0mA | 500V,1~2 Sec | 600±10V,1~2 Sec | 500V, 60 Sec | |||||
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