Dowis PQ2625 PQ High Frequency Transformers 230VAC To 12VAC
PQ2625 PQ Type High-Frequency Transformer Manufacturer Customized DW4991
| Series | Feature |
| EETransformer | applied in the switching power supply,main power transformer |
| EF Transformer | applied in the switching power supply,main power transformer |
| EFD Transformer | Auxiliary power transformer,main power transformer,choke coils |
| EPC Transformer | Auxiliary power transformer,main power transformer |
| PQ Transformer | applied in the linear filter,choke,pulse transformer,drive transformer |
| UU Transformer | varieties of switching power supply transformer,coke coils etc. |
| EC/EER/ER Transformer | applied in the linear filter ,current tranformer,smoothing choke coil,drive transformer, switching power transformers and chokes |
| RM Transformer | filters, inductors and transformers for telecommunication other electronic equipment |
| POT Transformer | filters for telecommunication equipment,and various kinds of inductors and transformers |
| DR Core | Choke coils, Peaking coils, Linearity coils, Alarm coils, Power choke coils, Fixed choke coils, Filtering coils,etc; |
| EI Transformer | Various kinds of transformers and chokes. |
| TOROIDAL core | Pulse and wide-band transformers, various types of filters, inductors and chokes. |
| MOQ: | 1 Pcs |
| Certifications: | RoHs |
| Payment: | L/C, D/A, D/P, T/T, Western Union, MoneyGram, Paypal |
| Features: | Strong,Phenolic,low cost |
| Surface treatment: | polishing |
| export: | All over the world |
| Appliance: | Home appliance, electronic, |
| other: | OEM and ODM order are welcome. |
| How to purchase from us: | Quotation →PI → Confirm PI → Arrange 30% deposit → Manufacture →Pay balance → Shipping. |
1. Drawing (Unit: mm)
2. Environmental Conditions
- Storage Temperature: -40--85˚C；
- Enviornmental Temperature: -40―85˚C;
- Operating Temperature: 130˚C MAX;
- Relative Humidity: 5%-95%;
- Long Term Durability Test.
3. Electrical Specification
| Item | Unit | Test Lead | Test Condition | MIN | NOR | MAX |
| Inductance Value | µH | 8-10 | 100KHz,0.3V, Ser | 520 | 550 | 580 |
| Leakage Inductance | µH | 8-10 | 100KHz,0.3V, Ser (Other Winding Short Circuit) | / | / | 12 |
| Q Value | / | 8-10 | 100KHz,0.3V, Ser | 80 | / | / |
| Dielectric Strength | mA | N1,N2—N3,N4,N5 | 3750Vdc,60s | / | / | 1 |
| mA | N1,N2——Core | 2200Vdc,60s | / | / | 1 | |
| mA | N3,N4,N5－Core | 2200Vdc,60s | / | / | 1 | |
| Direct Current Resistanc | mΩ | 8-10 | 25℃ | / | / | 820 |
| mΩ | 12-11 | 25℃ | / | / | 360 | |
| mΩ | 6-7 | 25℃ | / | / | 350 | |
| mΩ | 5-4 | 25℃ | / | / | 260 | |
| mΩ | 5-3 | 25℃ | 15 | |||
| Insulation Resistance | MΩ | Np-Ns | 500Vdc | 100 | / | / |
4. The edging process of the bottom magnetic core of transformer is as follows
Use about 2mm wide tape to wrap 1 layer on both sides of the magnetic core. The tape at the corner shall not be damaged.
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.
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