B78421A1720A003 datasheet, PDF

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B78421A1720A003: DescriptionDatacom Transformer, ISDN Application(s), 1:1:1, ROHS COMPLIANT; CategoryPower management transformer; File Size65KB，2 Pages; ManufacturerEPCOS (TDK)

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B78421A1720A003 Overview

Datacom Transformer, ISDN Application(s), 1:1:1, ROHS COMPLIANT

B78421A1720A003 Parametric

Parameter Name	Attribute value
Maker	EPCOS (TDK)
package instruction	ROHS COMPLIANT
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	MATCHING TO INFINEON ICS Q-SMINTO PEF80912,80913; Q-SMINTIX PEF81912,81913; Q-SMINTI PEF82912,82913
application	ISDN
high	12.4 mm
Insulation voltage	2000 V
length	17.2 mm
Manufacturer's serial number	B78421A1720A003
Installation features	SURFACE MOUNT
Number of functions	1
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
method of packing	TAPE & REEL
physical size	L17.2XB13.5XH12.4 (mm)
Primary inductance	14470 µH
surface mount	YES
Transformer type	DATACOM TRANSFORMER
Turns ratio (Np:Ns)	1:1:1
width	13.5 mm
Base Number Matches	1

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ISDN Transformers

Interface

Application

Matching to Infineon ICs

EP 13

B78421A1720A003

13,5 max.

Features

PTH version upon request

12,4 max.

Q-Smint

o PEF 80912, 80913

Q-Smint

ix PEF 81912, 81913

Q-Smint

i PEF 82912, 82913

Pin 1 marking

17,2 max.

FIN0146-Y

Marking

Layout recommendation

2,7

T:\EPCOS-Allg\DS_Ind-Telecom_04-01\UKO_EP13.fm · 20. 3. 2002

Manufacturer, middle block of ordering code,

date code

Packing

32-mm blister tape

Packing unit upon request

10 9 8 7 6

1,2

12345

2,5

Pinning

FIN0155-X-E

4 x 2,5 = 10

Line

FIN0147-G

Technical data

(electrical specifications at 25 °C)

Ordering code

Type/Core

N1 : N2 : N3

(typ.)

DC (Line)

(typ.)

DC (IC)

(typ.)

Transmission code

Operating temperature range

°C

B78421A1720A003

EP 13

1:1:1

14,47

8 %

160

7,8

3,8

2,0

2B1Q

–40/+85

04/02

FRAME5.5

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