E L E C T R O N I C S I N C .

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pcainc.com

PCA ELECTRONICS, INC.

6799 SCHOENBORN ST.

NORTH HILLS, CA 91343

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Flyback Transformer

• Used in Flyback Converter Topology •

• Isolation : 625 Vrms •

• Gapped Core •

Dimensions

Min.

Max.

(Inches)

(Millimeters)

Min.

Max.

A

B

C

D

F

E

G

H

J

M

N

Q

Dim.

.550

.550

.500

---

---

---

---

---

.130

---

---

---

---

---

---

.400

.039

.100

.400

.024

.115

.039

.100

.400

Nom.

---

---

---

---

---

---

---

---

2.54

---

---

---

13.97

13.97

12.70

---

---

---

---

---

3.30

---

---

---

---

---

---

10.16

1.0

2.54

10.16

.60

2.92

1.0

2.54

10.16

Nom.

---

---

---

---

---

---

---

---

.100

---

---

---

EPC3040

Primary Specification

DCR

(Ω ± 10%)

Turns Ratio

CSC3040

Rev. 1

11/1/01

Inductance

80

@ 10 KHz, 0.1 Vrms

Pins 1-3

.101

Pins 1-3

.017

Pins 10-6

.046

Pins 4-5

@ .50 Adc

10% Max

Inductance Change

Pins 1-3

4:1

Pins 1-3:10-6

1.8:1

Pins 1-3:4-5

(µH ± 5%)

Schematic

Package

4

5

3

1

10

6

A

B

E

J

C

D

H

6

6

10

10

1

1

5

5

PCA

EPC3040

D.C.

Q

N

M

F

G