750311486 Wurth Electronics Inc, 750311486 Datasheet

750311486

Manufacturer Part Number

750311486

Description

TRANS FLYBACK LT3748 100UH SMD

Manufacturer

Wurth Electronics Inc

Series

WE-FBr

Type

For DC/DC Convertersr

Datasheets

1.74402500047.pdf (24 pages)

2.750311486.pdf (1 pages)

Specifications of 750311486

Applications

Flyback Converters

Intended Chipset

LT3573, LT3574, LT3575, LT3748

Voltage - Primary

12V

Voltage - Auxillary

4V @ 20mA

Voltage - Isolation

1500Vrms

Frequency

50kHz

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

100µH

Transformer Type

Isolation and Data Interface (Encapsulated)

Turns Ratio - Primary:secondary

1 : 10

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

E.t.

Other names

732-2622-2

Current page: 1 of 1
Download datasheet (53Kb)

INTERWINDING CAPACITANCE:

ELECTRICAL SPECIFICATIONS @ 25° C unless otherwise noted:

D.C. RESISTANCE (@20° C):

DIELECTRIC RATING:

INDUCTANCE:

LEAKAGE INDUCTANCE:

TURNS RATIO:

SATURATION CURRENT:

OPERATING TEMPERATURE RANGE: -40° C to +125° C including temp rise.

Watertown, SD USA

Toll Free: 800-643-2661

Fax: 605-886-4486

WE-Midcom, Inc.

4VDC, 20mADC

Dimensions is brackets are in millimeters

This drawing is dual dimensioned.

12VDC

50kHz

AUX

PRI

3-4 , 0.220 Ohms ±10%.

2-1 , 0.180 Ohms ±10%.

10-8 , 31.00 Ohms ±10%.

9-7 , 31.00 Ohms ±10%.

1500VAC for 1 second between pins 3-10(tie 2+4,8+9).

100µH ±10%, 50kHz, 100mVAC, 0mADC, 3-4, Ls.

4.5µH max., 100kHz, 100mVAC, 3-4(tie 7+8+9+10), Ls.

( 10-8 ):( 3-4 ), ( 10 ):(1.00), ±2%.

( 9-7 ):( 3-4 ), ( 10 ):(1.00), ±2%.

( 3-4 ):( 2-1 ), ( 4.57 ):(1.00), ±2%.

20pF max., 100kHz, 100mVAC, 3-10, tie(8+9), Cs.

2ADC saturating current that causes 20% rolloff from initial inductance.

200VDC, 2mADC

-200VDC, 2mADC

Unless otherwise specified, tolerances are as follows:

SEC

Angles: ±1°

Engineer:EJK

Transformer

Revisions: See Sheet 1

Decimals:±.005(.127mm)

Drawing Title

Fractions: ±1/64

WE-Midcom, Inc.

Scale ----

750311486

Drawing Number

Sheet 2 of 5

12/18/2009

Rev.

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