750311911 Wurth Electronics Inc, 750311911 Datasheet

750311911

Manufacturer Part Number

750311911

Description

TRANS FLYBACK LT3748 6.8UH SMD

Manufacturer

Wurth Electronics Inc

Series

WE-FBr

Type

For DC/DC Convertersr

Datasheets

1.74402500047.pdf (24 pages)

2.750311911.pdf (1 pages)

Specifications of 750311911

Applications

Flyback Converters

Intended Chipset

LT3573, LT3574, LT3575, LT3748

Voltage - Primary

16 ~ 24V

Voltage - Auxillary

5V @ 300mA

Voltage - Isolation

1500Vrms

Operating Temperature

-40°C ~ 125°C

Mounting Type

Through Hole

Footprint

0.98" x 0.87" (25.0mm x 22.2mm)

Height Above Board

0.63" (16.0mm)

Chipset Manufacturer

Linear Technology

Inductance

6.8µH

Transformer Type

Isolation and Data Interface (Encapsulated)

Turns Ratio - Primary:secondary

1 : 3 : 3 : 3 : 3

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

E.t.

Other names

732-2641-2

Current page: 1 of 1
Download datasheet (63Kb)

D.C. RESISTANCE (@20°C):

DIELECTRIC RATING:

INDUCTANCE:

LEAKAGE INDUCTANCE:

TURNS RATIO:

OPERATING TEMPERATURE RANGE:

Watertown, SD USA

Toll Free: 800-643-2661

Fax: 605-886-4486

WE-Midcom, Inc.

ELECTRICAL SPECIFICATIONS @ 25° C unless otherwise noted:

Dimensions is brackets are in millimeters

in parallel for

Tie Pri coils

This drawing is dual dimensioned.

8-24Vin

5V, 300mA

Pri

1-3 (1+3,2+4), 0.006 Ohms max.

12-11 , 0.450 Ohms max.

10-9 , 0.450 Ohms max.

14-13 , 0.470 Ohms max.

8-7 , 0.470 Ohms max.

5-6 , 0.200 Ohms max.

1500VAC, 1 minute tested by applying 1875VAC for 1 second between pins 1-14(1+2+5,14+12+10+8).

1000VAC, 1 minute tested by applying 1250VAC for 1 second between pins 1-5(1+2).

1000VAC, 1 minute tested by applying 1250VAC for 1 second between pins 1-2.

1000VAC, 1 minute tested by applying 1250VAC for 1 second between pins 14-12(12+10+8).

1000VAC, 1 minute tested by applying 1250VAC for 1 second between pins 12-10(10+8).

1000VAC, 1 minute tested by applying 1250VAC for 1 second between pins 10-8.

6.78 mH ±10%, 100kHz, 100mVAC, 0mADC, 1-3(1+2,3+4), Ls.

100nH typ, 200nH max., 100kHz, 10mVAC, 1-3(1+2,3+4,5+6,7-14), Ls.

( 2-4 ):( 1-3 ), (1.00):(1.00), ±1%.

( 5-6 ):( 1-3 ), (1.00):(1.00), ±1%.

( 14-13 ):( 1-3 ), (3.00):(1.00), ±1%.

( 12-11 ):( 1-3 ), (3.00):(1.00), ±1%.

( 10-9 ):( 1-3 ), (3.00):(1.00), ±1%.

( 8-7 ):( 1-3 ), (3.00):(1.00), ±1%.

15V, 0.2A

Unless otherwise specified, tolerances are as follows:

-40°C to 125°C including temp. rise.

Angles: ±1°

Engineer:TST

Transformer

Revisions: See Sheet 1

Decimals:±.005(.127mm)

Drawing Title

Fractions: ±1/64

750311911

WE-Midcom, Inc.

Scale ----

750311911

Drawing Number

Sheet 2 of 5

09/20/2010

Rev.

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