SM540-1 Bourns Inc., SM540-1 Datasheet

SM540-1

Manufacturer Part Number

SM540-1

Description

Audio & Signal Transformers Line Transformer

Manufacturer

Bourns Inc.

Datasheet

1.SM562-1L.pdf (1 pages)

Specifications of SM540-1

Frequency Range

10 KHz to 100 KHz

Isolation Voltage

1500 Volts

Operating Temperature Range

0 C to + 70 C

Termination Style

Through Hole

Dimensions

13.46 mm L x 13.5 mm W x 12.32 mm H

Shielding

Unshielded

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Turns Ratio (1-4):(10-7)

OCL @ 10 kHz, 0.1 V

Leakage Inductance @ 100 kHz 0.1 V

Longitudinal Balance

Insertion Loss @ 100 kHz

Isolation Voltage ............1500 Vrms max.

Load Resistance ............................100 Ω

DC Resistance

THD Linearity @ 30 kHz

Package

Specifications are subject to change without notice.

SM531-1* ............................200 pcs./reel

PT532-1 ................................60 pcs./tray

*”E” suffix at end of part number

designates tape & reel packaging, e.g.

SM531-1E.

04/03

Asia-Pacific: TEL +886-2 25624117

Europe:

N. America: TEL +1-909 781-5500

www.bourns.com

Electrical Specifications @ 25 °C

Electrical Schematic

Packaging Specifications

(1-4) with (2-3) shorted

(10-7) with (8-9) shorted

(1-4) with (2-3), (8-9), (10-7) shorted

30 kHz to 1.1 MHz ..............50 dB min.

(1-4), (10-7) ............................2 Ω max.

SM531-1 ......................................SMT

PT532-1 ........................................THT

............................................-80 dB typ.

..........................................1:1.27 ±2 %

................................................< 0.5 dB

........................................1.80 mH min.

........................................2.90 mH min.

..........................................7.5 µH max.

Reliable Electronic Solutions

FAX +886-2 25624116

TEL +41-41 7685555

FAX +41-41 7685510

FAX +1-909 781-5700

SM531-1 & PT532-1 ADSL Line Transformers

Features

Product Dimensions

For use with Analog Device’s

AD20msp918 ADSL chipsets

Excellent Total Harmonic Distortion (THD)

performance in a small size

Both SMD and thru-hole package version

Operating temperature 0 °C to +70 °C

(.530)

13.46

DIMENSIONS ARE:

MAX.

(.028 ± .002)

.711 ± .050

SM531-1

(DATECODE)

10 PLCS.

(.695)

(.531)

17.65

13.50

(.024)

0.6

DIA.

MAX.

(INCHES)

10 PLCS.

(DATECODE)

PT532-1

(.551)

14.0

10.00

(.394)

(.098)

MAX.

2.50

(.394)

10.00

(.485)

12.32

SMT

THT

MAX.

12.70

(.500)

(.102)

Applications

2.6

Designed to meet UL1950 and EN60950

supplementary insulation requirements

for operating voltages up to 250 Vrms

ADSL - Analog AD20msp918

Recommended PAD layout

MAX.

MIN.

(.051 ± .002)

1.30 ± .050

(.100)

2.54

(.605)

15.37

(.559)

14.2

TOLERANCE: ±

(.098)

2.50

(.394)

10.00

10 PLCS.

MAX.

(.475)

12.07

MAX.

10 SURFACES

(.010)

0.25

(.394)

10.00

(.005)

0.13

(.098)

2.50

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