Audited Supplier
OKDPT1401
Power, Electronic, Instrument, Lighting, Rectifier, Audio
Single
Core-type Transformer
Dry-type Transformer
Auto-transformer
ISO9001-2000, ISO9001, CCC
Single-phase Transformer, Rectifier Transformer, Power Transformer
High Frequency
E
Okerda
Er,Pq,Rd Transformer
Flat Planar Transformer
New Energy Power Supply
Low Profile Low Cost
OEM
Carton and Pallet
ER, PQ, RD
China
8504319000
Product Description
Advantages
-Low profile
-Low leakage inductance
-Low eddy current losses
-High efficiency
-High power density
-High process capability
-Unrivalled repeatability
-Multiple Windings Options
-Multiple Topologies
-Very good thermal performance
Related products
Applications
-Switch mode power supplier (AC/DC, DC/DC)
-Telecom distributed power systems and rectifiers
-Industrial power systems
-Automotive 42V systems
-Welding inverters and battery chargers
-Avionics
-Space
-Missiles
SMD EFD TRANSFORMER
Description: EFD
- Type: from EFD 9.5 to EFD 30
- Applications:
- Switching power supplies
- LED Driving
- DC/AC-DC converters
- DC/AC-AC inverters
- Ballasts
- TV/monitors
- ADSL
- Audio visual equipment
- Office automation
- PDAs
- Notebook computers
- DSC
- TFT-LCD monitors
- ISDN
- Various electronic equipment
- Ultra-thin electronic devices
- Customers' specifications are welcome
1. Low profile small package light weight.
2. Low D.C. resistance and large permissible D.C. current.
3. Little co-planarity due to special design of construction.
4. Wire burst resistant due to special construction.
5. This can be surface mount assembly and reflow soldering is also possible.
6. Available for mounting machine due to supply in a form of embossed tape carrying.
| Model | A | B | C | D | E | F | G |
| EFD15/15/5 | 15.0±0.4 | 11.0±0.35 | 5.3±0.15 | 4.65±0.15 | 7.5±0.15 | 5.5±0.25 | 2.4±0.1 |
| EFD15/18/7 | 14.9±0.6 | 11.1±0.3 | 5.6±0.2 | 6.8±0.2 | 8.75±0.15 | 6.2±0.2 | 4.6±0.2 |
| EFD18/40/5 | 18.5max | 13.1min | 6.0±0.15 | 5.3±0.15 | 20.1±0.2 | 17.1±0.2 | 3.0±0.2 |
| EFD20/20/7 | 20.0±0.55 | 15.4±0.5 | 8.9±0.2 | 6.65/+0.2/0.15 | 10.0±0.25 | 7.7±0.25 | 3.6±0.2 |
| EFD20/23/6 | 20.0±0.55 | 15.4±0.5 | 8.9±0.2 | 5.6±0.1 | 11.5±0.15 | 9.3±0.15 | 3.6±0.15 |
| EFD20/23/5 | 20.0±0.4 | 15.4±0.5 | 8.9±0.2 | 5.4±0.1 | 11.5±0.15 | 9.3±0.15 | 3.6±0.15 |
| EFD25/25/9 | 25.0±0.65 | 18.7±0.6 | 11.4±0.2 | 9.1±0.2 | 12.5±0.25 | 9.3±0.25 | 5.2±0.25 |
| EFD25/26/12 | 25.05±0.65 | 18.8min | 8.8±0.25 | 12.45±0.25 | 12.9±0.2 | 9.85±0.25 | 8.3±0.3 |
| EFD25/31/11 | 25.0±0.5 | 19.0min | 10.0±0.2 | 11.0±0.2 | 15.3±0.25 | 12.0±0.3 | 6.5±0.2 |
| EFD30/30/9 | 30.0±0.8 | 22.4±0.75 | 14.6±0.3 | 9.1±0.3 | 15.0±0.25 | 11.2±0.3 | 4.9±0.15 |
| EFD30/30/9A | 30.75max | 23.1min | 14.6±0.25 | 9.0±0.2 | 15.5max | 11.5±0.2 | 4.9±0.15 |
| EFD31/30/9 | 31.7max | 23.8min | 14.6±0.30 | 9.0/+0.3/-0.2 | 15.2±0.3 | 11.5±0.2 | 4.9±0.15 |
| EFD33/40/10 | 33.0±0.5 | 25.5min | 13.0±0.2 | 10.0±0.2 | 20.0±0.25 | 15.5±0.25 | 5.5±0.2 |
Characteristic:
1. Supply high voltage and withstand voltage;
2. Operation frequency range from 40 to 80 KHz;
3. Deliver Output Power from 1.5 to 25 watts;
4. Slim or low profile Type easily built in your design;
5. Available in through-hole and SMT recess or gull wing type;
6. Operate in Royer , direct IC drive and other topologies.
Application:
1. Multi-output DC-DC converter transformer.
2. Camcordey.
3. LCD television set.
4. Small size communicating equipment.
5. Portable telephone.
6. Personal Digital Assistants.
7. Applicable to light up cold cathodes fluorescent lamp of display.
8. DSC, PDA, Scanner, Car Navigation, Notebook PC, LCD monitor and LCD TV, etc
| Series | Application |
| EE Transformer | Applied in the switching power supply, main power transformer |
| EE10, EE13, EE16, EE19, EE22, EE25, EE28, EE30, EE33, EE35, EE40, EE42, EE55, EE65 | |
| PQ Transformer | Applied in the linear filter, choke, pulse transformer, drive transformer |
| PQ2016, PQ2020, PQ2610, PQ2620, PQ2625, PQ3220, PQ3225, PQ3230, PQ3535, PQ4040, PQ5050 | |
| RM Transformer | Filters, inductors and transformers for telecommunication other electronic equipment |
| RM4, RM6, RM8, RM8, RM10, RM12, RM14 | |
| EI Transformer | Various kinds of transformers and chokes |
| EI28, EI13, EI16, EI22, EI25, EI30, EI35, EI33, EI40 | |
| EEL Transformer | Switching power supply, charges, alarm system |
| EEL13, EEL19, EEL22, EEL25 | |
| EF Transformer | Applied in the switching power supply, main power transformer |
| EF16, EF12.6, EF20, EF25, EF30 | |
| EFD Transformer | Auxiliary power transformer, main power transformer, choke coils |
| EFD15, EFD20, EFD25, EFD30, EFD40 | |
| UU Transformer | Varieties of switching power supply transformer, choke coils etc |
| UU9.8, UU10.5, UU16, UU20 | |
| EC Transformer | Linear filter, current transformer, smoothing chock coil, drive transformer |
| EC28, EC35, EC39, EC40, EC42, EC49 | |
| ER Transformer | Applied in the linear filter, current transformer, smoothing chock coil, drive transformer |
| ER47, ER48, ER49 |
WHY CHOOSE US
- 20+ years experience in transformer and inductor manufacturing.
- Scientific management system, strong technical team, and strict quality control system.
- Obtained ISO9001, ISO14001, ISO45001 and other management system certificates.
- All materials are RoHS and UL compliant.
- Highly automated workshop and professional production lines.
- Competitive price,in time delivery and perfect after-service online.
EXHIBITION
FAQ
Q1. Are you manufacturer in China?
Yes, we have 20+ years experience.
Q2. What is your MOQ?
Usually our MOQ is 1000pcs.
Q3. Can I place a sample order?
Yes, please kindly contact us for more details.
Q4. What's the delivery time for samples?
Usually 3 - 6 working days.
Q5. What's the lead time for mass production?
Normally 15-30 working days, based on your order quantity.
Q6. What's the payment term?
We accept T/T, L/C, Western Union and Paypal etc.
Q7. Can you make customized products?
Yes, of course. We will do as per customer's design.
Q8. Is OEM accepted?
Yes, welcome OEM project.
Q9. Is it ok to print my logo on the label?
No problem, we can make it as your designated.
Q10. Can your factory print our brand on the product?
Yes, we can add customer's logo/brand on the product with the authorization from customers.