EPC3248G-2LF datasheet, PDF - EEWORLD Datasheet

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EPC3248G-2LF: Description12.95 W, SMPS TRANSFORMER, LEAD FREE; CategoryPower management transformer; File Size53KB，2 Pages; ManufacturerPCA Electronics Inc.; Websitehttp://www.pca.com/

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EPC3248G-2LF Overview

12.95 W, SMPS TRANSFORMER, LEAD FREE

EPC3248G-2LF Parametric

Parameter Name	Attribute value
package instruction	LEAD FREE
Reach Compliance Code	unknown
Other features	HEIGHT & LENGTH DIM INCLUDE TERMINAL ALSO
Certification	UL
high	7.5 mm
Maximum input voltage	57 V
Minimum input voltage	36 V
length	16 mm
Manufacturer's serial number	EPC3248G-2
Installation features	SURFACE MOUNT
Number of primary windings	2
Number of secondary windings	2
Output voltage 1	5 V
method of packing	TUBE
physical size	16.0mm X 15.5mm X 7.5mm
rated power	12.95 W
Primary inductance	120 µH
surface mount	YES
Terminal surface	NOT SPECIFIED
Transformer type	SMPS TRANSFORMER
width	15.5 mm
Base Number Matches	1

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Power over Ethernet (PoE/PD)

Flyback Transformer

ELECTRONICS INC.

EPC3248G-X & EPC3248G-X-LF

• Used in SMPS DC/DC Converter as a Flyback

Transformer in PoE/Powered Devices (PD)

• Switching Frequency : 300 KHz to 400 KHz

• Add “-LF” after part number for Lead Free

* 40 % Duty Cycle Typ. @ 48 V Input

• UL 94V-0 Recognized Components

• UL 1446 Class B Insulation System

• Low Core Loss Material

Electrical Specifications @ 25°C

Part

Number

EPC3248G-1

EPC3248G-2

EPC3248G-3

EPC3248G-4

EPC3248G-5

EPC3248G-6

EPC3248G-7

EPC3248G-8

EPC3248G-9

EPC3248G-10

EPC3248G-11

EPC3248G-12

EPC3248G-13

EPC3248G-14

EPC3248G-15

Chipset

DPA425

DPA423

DPA424

DPA424/5

DPA426

PD

Class

Voltage

Primary OCL

Current

Power

Usage

(Vdc)

(µH ± 10%)

(Amp.)

(Watts)

@ 300 KHz,

Fb

0.1 Vrms

V In

V Out Bias

Min.

Max.

Sec 1 Bias

0

0.44 12.95

Default

36-57

3.3

13.2

120

3.92 .050

0

0.44 12.95

Default

36-57

5.0 13.33

120

2.59 .050

0

0.44 12.95

Default

36-57 12.0 12.0

120

1.08 .050

1

0.44

3.84

Optional

36-57

3.3

13.2

200

1.16 .050

1

0.44

3.84

Optional

36-57

5.0 13.33

200

0.77 .050

1

0.44

3.84

Optional

36-57 12.0 12.0

200

0.32 .050

2

3.84

6.49

Optional

36-57

3.3

13.2

120

1.97 .050

2

3.84

6.49

Optional

36-57

5.0

13.0

120

1.30 .050

2

3.84

6.49

Optional

36-57 12.0 12.0

120

0.54 .050

3

6.49 12.95

Optional

36-57

3.3

13.2

120

3.92 .050

3

6.49 12.95

Optional

36-57

5.0

13.2

120

2.59 .050

3

6.49 12.95

Optional

36-57 12.0 12.0

120

1.08 .050

4(PoEP)

Reserved

36-57

3.3

13.2

25

12.12 .050

4(PoEP)

Reserved

36-57

5.0

13.2

25

8.0

.050

4(PoEP)

Reserved

36-57 12.0 12.0

25

3.33 .050

• Isolation :

Pri., Bias to Sec. ; 1500 Vrms

• Isolation :

Pri. to Bias ; 500 Vrms

•

PoE

Class

Package

Type

ER14.5

ER9.5

ER11

ER14.5

EFD20

Schematic

1

2

1

3

Note : Class 4 is currently reserved for Power over Ethernet Plus (PoEP) and should not be used at this time.

Notes :

1. Assembly Process

(Solder Composition)

2. Peak Solder Rating

(per IPC/JEDEC-J-STD-020C)

EPC3248-X

SnPb

225°C

1

(Unlimited,

≤30°C/60%RH)

TBD grams

(Tube)

TBD pcs / tube

EPC3248-X-LF

Pb-Free

260°C

1

(Unlimited,

≤30°C/60%RH)

TBD grams

TBD pcs / tube

3. Moisture Sensitive Levels (MSL)

(per IPC/JEDEC-J-STD-020C)

4. Weight

5. Packaging Information

Schematic 1

1

V In (Pins 1-3)

[36-57 Vdc]

10

2

3

Fb/Bias

[13.2 V/0.05 A]

4

6

5

9

Sec. 1

7

V In

[36-57 Vdc]

Fb/Bias

[13.2 V/0.05 A]

1

2

3

4

Schematic 2

Schematic 3

(Reserved for Class 4 PoEP)

1

8

7

Sec. 1

6

5

V In (Pins 1-3) 2

[36-57 Vdc]

3

5

Fb/Bias

[13.2 V/0.05 A]

6

12

11

10

Sec. 1

9

8

7

Note :

1. Input Pins : Pins 1 & 3

2. Connect Pins 9,10 and 6,7 in

user board for higher power

Note :

1. Input Pins : Pins 1 & 2

2. Connect Pins 8,7 and 5,6 in

user board for higher power

Note :

1. Input Pins : Pins 1 & 3

2. Connect Pins 12,11,10 and 9,8,7

in user board for higher power

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

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

CSC3248G-X & -LFa

Rev. 3

9/26/05 FT

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

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