750811048 Wurth Electronics Inc, 750811048 Datasheet

750811048

Manufacturer Part Number

750811048

Description

TRANS FLYBACK LT3748 1500UH SMD

Manufacturer

Wurth Electronics Inc

Series

WE-FBr

Type

For DC/DC Convertersr

Datasheets

1.74402500047.pdf (24 pages)

2.750811048.pdf (1 pages)

Specifications of 750811048

Applications

Flyback Converters

Intended Chipset

LT3573, LT3574, LT3575, LT3748

Voltage - Primary

120 ~ 375V

Voltage - Auxillary

15V

Voltage - Isolation

4500Vrms

Frequency

300kHz

Operating Temperature

-40°C ~ 125°C

Mounting Type

Through Hole

Footprint

0.96" x 0.80" (24.4mm x 20.3mm)

Height Above Board

0.63" (16.0mm)

Chipset Manufacturer

Linear Technology

Inductance

1.5mH

Transformer Type

Isolation and Data Interface (Encapsulated)

Turns Ratio - Primary:secondary

4.387 : 1

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

E.t.

Other names

732-2623

Current page: 1 of 1
Download datasheet (56Kb)

D.C. RESISTANCE (@20°C):

DIELECTRIC RATING:

INDUCTANCE:

SATURATION CURRENT:

LEAKAGE INDUCTANCE:

TURNS RATIO:

Designed to comply with the following requirements as defined by IEC61558-2-17:

OPERATING TEMPERATURE RANGE:

Wire insulation & RoHS status not affected by wire color. Wire insulation color may vary depending on availability.

Watertown, SD USA

Toll Free: 800-643-2661

Fax: 605-886-4486

WE-Midcom, Inc.

ELECTRICAL SPECIFICATIONS @ 25° C unless otherwise noted:

120-375V

- Reinforced insulation for a primary circuit at a working voltage of 400VDC.

300kHz

PRI

Dimensions is brackets are in millimeters

This drawing is dual dimensioned.

AUX

15V

1-3 , 2.90 Ohms ±10%.

4-5 , 1.22 Ohms ±10%.

7-8 , 0.210 Ohms ±10%.

4500VAC, 1 minute tested by applying 4500VAC for 1 second between pins 3-8(tie 1+4).

1000VAC, 1 minute tested by applying 1250VAC for 1 second between pins 3-4.

1.50 mH ±10%, 10kHz, 100mVAC, 0mADC, 1-3, Ls.

650mA saturating current that causes 20% rolloff from initial inductance.

22µH typ., 35µH max., 100kHz, 100mVAC, 1-3(tie 4+5,7+8), Ls.

( 3-1 ):( 8-7 ), ( 4.52 ):(1.00), ±1%.

( 8-7 ):( 4-5 ), ( 2 ):(1.00), ±1%.

( 3-2 ):( 2-1 ), ( 1 ):(1.00), ±1%.

Unless otherwise specified, tolerances are as follows:

30V - 300mA

-40°C to +125°C including temp. rise.

SEC

Angles: ±1°

Engineer:PLP

Transformer

Revisions: See Sheet 1

Decimals:±.005(.127mm)

Drawing Title

Fractions: ±1/64

750811048

WE-Midcom, Inc.

Scale ----

750811048

Drawing Number

Sheet 2 of 5

09/15/2010

Rev.

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