B78311-P1409-A5 datasheet, PDF

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B78311-P1409-A5: Description1.3W, SMPS TRANSFORMER; CategoryPower management transformer; File Size54KB，2 Pages; ManufacturerEPCOS (TDK)

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B78311-P1409-A5 Overview

1.3W, SMPS TRANSFORMER

B78311-P1409-A5 Parametric

Parameter Name	Attribute value
Maker	EPCOS (TDK)
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	OUTPUT VOLTAGES -20V, -54V, -130V ALSO AVAILABLE
high	14 mm
Maximum input voltage	110 V
Minimum input voltage	38 V
length	24.5 mm
Manufacturer's serial number	B78311
Installation features	THROUGH HOLE MOUNTED
Number of primary windings	2
Number of secondary windings	2
Maximum operating frequency	40 kHz
Output voltage 1	40 V
Output voltage 2	5 V
method of packing	TRAY
physical size	L24.5XB21.5XH14 (mm)
rated power	1.3 W
Primary inductance	2600 µH
surface mount	NO
Transformer type	SMPS TRANSFORMER
width	21.5 mm
Base Number Matches	1

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Power Supply for ISDN

DC/DC Converters

Application

B78311-P1409-A5

Features

Flyback converters

Discontinuous mode

24,5 max.

Packing

21,5 max.

0,64

FIN0118-T

Polyfoam tray

Packing unit: 280 pcs.

Layout

+5 V

1,2+0,1

Recommended hole

arrangement

15,24

2,54

20 V

54 V

130 V

40 V

3,81

10 V bias

FIN0112-X

Technical data

Ordering code

Type/Core

B78311-P1409-A5

EF20

1 : 0,168 : 0,093 : 0,336 : 0,477 : 1,280 : 0,654

[mH]

[W]

[kHz]

2,6

20 %

approx. 3,5 (V

: 61 … 110 V

)

approx. 1,3 (V

: 38 … 110 V

)

out

[kV

] 2,5

03/00

2,54

17,5 max.

Power supply for NT

14 max.

Herausgegeben von EPCOS AG

Marketing Kommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND



Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG

nicht gestattet.

Mit den Angaben in dieser Broschüre werden die Bauelemente spezifiziert, keine Eigenschaften

zugesichert. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen

für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird.

Diese Broschüre ersetzt die vorige Ausgabe.

Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgele-

genen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland.

Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte

darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsge-

sellschaft einzuholen.

Published by EPCOS AG

Marketing Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY



chure and the information contained therein without EPCOS’ prior express consent is prohibited.

The information contained in this brochure describes the type of component and shall not be con-

sidered as guaranteed characteristics. Purchase orders are subject to the General Conditions for

the Supply of Products and Services of the Electrical and Electronics Industry recommended by the

ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.

This brochure replaces the previous edition.

For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or

the international Representatives.

Due to technical requirements components may contain dangerous substances. For information on

the type in question please also contact one of our Sales Offices.

B78311-P1409-A5 Related Products

	B78311-P1409-A5
Description	1.3W, SMPS TRANSFORMER
Maker	EPCOS (TDK)
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	OUTPUT VOLTAGES -20V, -54V, -130V ALSO AVAILABLE
high	14 mm
Maximum input voltage	110 V
Minimum input voltage	38 V
length	24.5 mm
Manufacturer's serial number	B78311
Installation features	THROUGH HOLE MOUNTED
Number of primary windings	2
Number of secondary windings	2
Maximum operating frequency	40 kHz
Output voltage 1	40 V
Output voltage 2	5 V
method of packing	TRAY
physical size	L24.5XB21.5XH14 (mm)
rated power	1.3 W
Primary inductance	2600 µH
surface mount	NO
Transformer type	SMPS TRANSFORMER
width	21.5 mm
Base Number Matches	1

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