Shaanxi FKS Electronic Parts Import & Export Co.,Ltd.

Xixian New Area FKS Electronic Technology Co.,Ltd.

FLEX Flexible Transformer for DC/DC Converter(0.01-4.18A)

Product Name:

FLEX Flexible Transformer for DC/DC Converter(0.01-4.18A)

Product Description

Characteristics

· Transformer with 6 identical windings

· 4 sizes with 5 different lengths of air gap each

· Isolation voltage 500 VDC

· Low leakage inductance

· Operating temperature: –40 ºC to +125 ºC

· By using different circuits more than 375 transformer solutions and about 125 choke solutions possible. Consequently, quick prototyping possibilities

· Free download of design software for flyback transformers Component Selector

Applications

· All kind of switching regulators
- Flyback converters
- Forward converters
- Push-pull converters
- Step-up/step-down converters
- SEPIC converter

Products

Size	L	W	H
Size	(mm)	(mm)	(mm)
ER11/5	12.9	13	6.2
ER14.5/6	16.3	16.8	7.4
EFD15	17.5	22.1	8.3
EFD20	21	29.5	10.8

ER11/5

Order Code	LBASE	n	IR BASE	ISAT BASE	RDC BASE	∫Udt Base	LS Base	VT	Download
Order Code	(µH)	n	(A)	(A)	(mΩ)	(µVs)	(µH)	VT	Download
FKS-749196141	8.5	1:1:1:1:1:1	0.55	0.96	344	32.9	0.21	500 V (AC)	FKS-749196141.pdf
FKS-749196131	10.9	1:1:1:1:1:1	0.55	0.73	344	32.9	0.21	500 V (AC)	FKS-749196131.pdf
FKS-749196121	14.7	1:1:1:1:1:1	0.55	0.54	344	32.9	0.21	500 V (AC)	FKS-749196121.pdf
FKS-749196111	27.4	1:1:1:1:1:1	0.55	0.22	344	32.9	0.21	500 V (AC)	FKS-749196111.pdf
FKS-749196101	198.6	1:1:1:1:1:1	0.55	0.01	344	32.9	0.21	500 V (AC)	FKS-749196101.pdf

ER14.5/6

Order Code	LBASE	n	IR BASE	ISAT BASE	RDC BASE	∫Udt Base	LS Base	VT	Download
Order Code	(µH)	n	(A)	(A)	(mΩ)	(µVs)	(µH)	VT	Download
FKS-749196241	6.6	1:1:1:1:1:1	0.95	1.55	159	48.3	0.17	500 V (AC)	FKS-749196241.pdf
FKS-749196231	8.3	1:1:1:1:1:1	0.95	1.2	159	48.3	0.17	500 V (AC)	FKS-749196231.pdf
FKS-749196221	11.6	1:1:1:1:1:1	0.95	0.84	159	48.3	0.17	500 V (AC)	FKS-749196221.pdf
FKS-749196211	21.6	1:1:1:1:1:1	0.95	0.36	159	48.3	0.17	500 V (AC)	FKS-749196211.pdf
FKS-749196201	140	1:1:1:1:1:1	0.95	0.02	159	48.3	0.17	500 V (AC)	FKS-749196201.pdf

EFD15

Order Code	LBASE	n	IR BASE	ISAT BASE	RDC BASE	∫Udt Base	LS Base	VT	Download
Order Code	(µH)	n	(A)	(A)	(mΩ)	(µVs)	(µH)	VT	Download
FKS-749196341	7.9	1:1:1:1:1:1	0.97	1.33	140	39.8	0.13	500 V (AC)	FKS-749196341.pdf
FKS-749196331	9.3	1:1:1:1:1:1	0.97	1.09	140	39.8	0.13	500 V (AC)	FKS-749196331.pdf
FKS-749196321	14.2	1:1:1:1:1:1	0.97	0.63	140	39.8	0.13	500 V (AC)	FKS-749196321.pdf
FKS-749196311	23.3	1:1:1:1:1:1	0.97	0.33	140	39.8	0.13	500 V (AC)	FKS-749196311.pdf
FKS-749196301	153.8	1:1:1:1:1:1	0.97	0.02	140	39.8	0.13	500 V (AC)	FKS-749196301.pdf

EFD20

Order Code	LBASE	n	IR BASE	ISAT BASE	RDC BASE	∫Udt Base	LS Base	VT	Download
Order Code	(µH)	n	(A)	(A)	(mΩ)	(µVs)	(µH)	VT	Download
FKS-749196540	3.4	1:1:1:1:1:1	1.91	4.18	30	65.6	0.18	500 V (AC)	FKS-749196540.pdf
FKS-749196530	4.3	1:1:1:1:1:1	1.91	2.91	30	65.6	0.18	500 V (AC)	FKS-749196530.pdf
FKS-749196520	5.3	1:1:1:1:1:1	1.91	2.53	30	65.6	0.18	500 V (AC)	FKS-749196520.pdf
FKS-749196541	7.6	1:1:1:1:1:1	1.7	2.46	71.1	98.4	0.24	500 V (AC)	FKS-749196541.pdf
FKS-749196531	9.7	1:1:1:1:1:1	1.7	2.2	71.1	98.4	0.24	500 V (AC)	FKS-749196531.pdf
FKS-749196510	9.9	1:1:1:1:1:1	1.91	1.17	30	65.6	0.18	500 V (AC)	FKS-749196510.pdf
FKS-749196521	12	1:1:1:1:1:1	1.7	1.73	71.1	98.4	0.24	500 V (AC)	FKS-749196521.pdf
FKS-749196511	22.3	1:1:1:1:1:1	1.7	0.49	71.1	98.4	0.24	500 V (AC)	FKS-749196511.pdf
FKS-749196500	87.1	1:1:1:1:1:1	1.91	0.03	30	65.6	0.18	500 V (AC)	FKS-749196500.pdf
FKS-749196501	196	1:1:1:1:1:1	1.7	0.02	71.1	98.4	0.24	500 V (AC)	FKS-749196501.pdf