750311594 Wurth Electronics Inc, 750311594 Datasheet

750311594

Manufacturer Part Number

750311594

Description

TRANS FLYBACK LT3748 15UH SMD

Manufacturer

Wurth Electronics Inc

Series

WE-FBr

Type

For DC/DC Convertersr

Datasheets

1.74402500047.pdf (24 pages)

2.750311594.pdf (1 pages)

Specifications of 750311594

Applications

Flyback Converters

Intended Chipset

LT3573, LT3574, LT3575, LT3748

Voltage - Primary

30 ~ 75V

Voltage - Auxillary

10V

Voltage - Isolation

1500Vrms

Frequency

150kHz

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Footprint

1.27" x 1.06" (32.3mm x 27.0mm)

Height Above Board

0.54" (13.7mm)

Chipset Manufacturer

Linear Technology

Inductance

15µH

Transformer Type

Isolation and Data Interface (Encapsulated)

Turns Ratio - Primary:secondary

5 : 2

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

E.t.

Other names

732-2664-2

Current page: 1 of 1
Download datasheet (72Kb)

D.C. RESISTANCE (@20° C):

DIELECTRIC RATING:

INDUCTANCE:

SATURATION CURRENT:

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

150kHz

30-75V

This drawing is dual dimensioned.

Customer tie terminals 1&2, 3&4, 7&8&9 and

10&11&12 on pcb for correct operation

Aux

10V

1-3 (1+2,3+4), 0.035 Ohms max.

12-9 (12+11+10,9+8+7), 0.015 Ohms max.

5-6 , 0.030 Ohms max.

1500VAC, 1 minute tested by applying 1875VAC for 1 second between pins 1-12(1+2+4,7+8+9).

15.00µH ±10%, 150kHz, 100mVAC, 0mADC, 1-3, Ls.

18A saturating current that causes 20% rolloff from initial inductance.

400nH typ, 550nH max, 100kHz, 50mVAC, 1-3(1+2,3+4,5+6,7+8+9+10+11+12), Ls.

( 1-3 ):( 5-6 ), (2.80):(1.00), ±1%.

( 1-3 ):( 12-9 ), (2.33):(1.00), ±1%.

12V @ 3.8A

Unless otherwise specified, tolerances are as follows:

-40°C to 85°C including temp. rise.

Angles: ±1°

Engineer:TST

Transformer

Revisions: See Sheet 1

Decimals:±.005(.127mm)

Drawing Title

Fractions: ±1/64

750311594

WE-Midcom, Inc.

Scale ----

750311594

Drawing Number

Sheet 2 of 5

03/24/2010

Rev.

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