High Frequency SMT SMD Transformer Switching Power Supply Transformer

Basic Info.

Model NO.	EFD30 EFD20 EFD25
Usage	Single-phase Transformer, Rectifier Transformer, Power Transformer
Frequency Characteristics	High Frequency
Shape of Core	Efd
Brand	Okerda
Application 4	Small Size Communicating Equipment.
Application 6	Personal Digital Assistants
Application 5	Portable Telephone
Application 2	Camcordey
Application 3	LCD Television Set
Application 1	Multi-Output DC-DC Converter
Transport Package	Carton and Pallet
Specification	EFD30 EFD20 EFD25 EFD15
Trademark	OEM
Origin	China
HS Code	8504319000
Production Capacity	1000000 PCS/Month

Product Description

High Frequency SMT SMPS SMD Transformer (EFD30 EFD20 EFD25 EFD15)

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
Features: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