750311688 Wurth Electronics Inc, 750311688 Datasheet

750311688

Manufacturer Part Number

750311688

Description

TRANS FLYBACK LT3748LT3575 50UH

Manufacturer

Wurth Electronics Inc

Series

WE-FBr

Type

For DC/DC Convertersr

Datasheets

1.74402500047.pdf (24 pages)

2.750311688.pdf (1 pages)

Specifications of 750311688

Applications

Flyback Converters

Intended Chipset

LT3573, LT3574, LT3575, LT3748

Voltage - Primary

36V

Voltage - Auxillary

10V @ 20mA

Voltage - Isolation

1500Vrms

Frequency

100kHz

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Footprint

0.70" x 0.53" (17.8mm x 13.5mm)

Height Above Board

0.50" (12.7mm)

Chipset Manufacturer

Linear Technology

Inductance

50µH

Transformer Type

Isolation and Data Interface (Encapsulated)

Turns Ratio - Primary:secondary

5 : 1

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

E.t.

Other names

732-2646-2

Current page: 1 of 1
Download datasheet (59Kb)

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

Application of the transformer allows for the leadwires

This drawing is dual dimensioned.

between terminals 6&7 and 9&10 to solder bridge.

1-2 , 0.140 Ohms ±10%.

3-5 , 0.080 Ohms ±20%.

6-9 (tie 6+7, 9+10), 0.008 Ohms ±20%.

1500VAC, 1 minute tested by applying 1875VAC for 1 second between pins 1-9(tie 2+3, 6+7).

500VAC, 1 minute tested by applying 625VAC for 1 second between pins 1-5.

50µH ±10%, 10kHz, 100mVAC, 0mADC, 3-5, Ls.

3.1A saturating current that causes 20% rolloff from initial inductance.

600nH typ., 1.2µH max., 100kHz, 100mVAC, 3-5(tie 1+2, 6+7+9+10), Ls.

( 5-3 ):( 2-1 ), ( 2.5 ):( 1 ), ±1%.

( 5-3 ):( 6-9 ), ( 5 ):( 1 ), tie(6+7, 9+10), ±1%.

Unless otherwise specified, tolerances are as follows:

-40°C to 125°C including temp. rise.

Angles: ±1°

Engineer:APS

Transformer

Revisions: See Sheet 1

Decimals:±.005(.127mm)

Drawing Title

Fractions: ±1/64

WE-Midcom, Inc.

Scale ----

750311688

Drawing Number

T_0_2381

Sheet 2 of 5

08/11/2010

Rev.

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