DA102JC-R Murata Power Solutions Inc, DA102JC-R Datasheet

DA102JC-R

Manufacturer Part Number

DA102JC-R

Description

Tfmr 1:1, 20Vus SM Dig Aud

Manufacturer

Murata Power Solutions Inc

Datasheet

1.DA101JC.pdf (3 pages)

Specifications of DA102JC-R

Mounting Style

SMD/SMT

Dimensions

12.7 mm L x 9 mm W x 6.35 mm H

Product

Isolation Transformers

Height

6.35 mm

Inductance

1.9 mH to 4 mH

Length

12.7 mm

Turns Ratio

1:1

Width

9 mm

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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FEATURES

DESCRIPTION

The Digital Audio Range of transformers is

designed to improve the balance of transmitter

and receiver circuitry in hi-ﬁ equipment,

video games and other applications requiring

high-performance digital audio transmission.

Compliant with AES/EBU recommendations for the

digital audio interface, offering optimised shunt

capacitance between primary and secondary

windings. Capable of operating over the audio

data rate frequency range, providing isolation from

50-60Hz noise.

For through hole versions see DA100 series

datasheet.

J-STD-020D reﬂ ow

RoHS compliant

Compatible with leading chip sets

2kVrms isolation

Industry-standard pinout

Surface mount option

UL 94 V-0 package materials

Low proﬁ le

Suitable for both 75 & 110Ω circuits

Toroidal construction

Compliant with AES/EBU standards

www.murata-ps.com/rohs

For full details go to

All speciﬁ cations typical at T

SELECTION GUIDE

ORDER CODE DETAILS

TECHNICAL NOTES

ISOLATION

‘Hi Pot Test’, ‘Flash Tested’, ‘Withstand Voltage’, ‘Proof Volt-

age’, ‘Dielectric Withstand Voltage’ & ‘Isolation Test Voltage’

are all terms that relate to the same thing, a test voltage,

applied for a speciﬁ ed time, across a component designed

to provide electrical isolation, to verify the integrity of that

isolation.

All products in this series are 100% production tested at

their stated isolation voltage.

A question commonly asked is, “What is the continuous

voltage that can be applied across the part in normal opera-

tion?”

For a part holding no speciﬁ c agency approvals both input

and output should normally be maintained within SELV limits

i.e. less than 42.4V peak, or 60VDC. The isolation test volt-

age represents a measure of immunity to transient voltages

and the part should never be used as an element of a safety

isolation system. The part could be expected to function cor-

rectly with several hundred volts offset applied continuously

across the isolation barrier; but then the circuitry on both

sides of the barrier must be regarded as operating at an

unsafe voltage and further isolation/insulation systems must

form a barrier between these circuits and any user-acces-

sible circuitry according to safety standard requirements.

ABSOLUTE MAXIMUM RATINGS

Operating free air temperature range

Storage temperature range

Order Code

DA101JC

DA102JC

DA103JC

DAXXXJC-R

Order Code

DAXXXJC

VOLTAGE

1:1

=25°C

(10kHz, 50mV)

1.00 - 2.20

1.90 - 4.00

3.20 - 8.50

Inductance

Primary

Package Type

Technical enquiries email: mk@murata-ps.com, tel: +44 (0)1908 615232

6 Pin SM

SM Transformers for Digital Audio Data Transmission

(100kHz, 10mV)

Inductance

Leakage

Max.

0.36

0.49

0.91

μH

–40°C to +125°C

-40°C to +85°C

REPEATED HIGH-VOLTAGE ISOLATION TESTING

It is well known that repeated high-voltage isolation

testing of a barrier component can actually degrade

isolation capability, to a lesser or greater degree

depending on materials, construction and environ-

ment. This series has toroidal isolation transformers,

with no additional insulation between primary and

secondary windings of enameled wire. While parts

can be expected to withstand several times the

stated test voltage, the isolation capability does de-

pend on the wire insulation. Any material, including

this enamel (typically polyurethane) is susceptible

to eventual chemical degradation when subject to

very high applied voltages thus implying that the

number of tests should be strictly limited. We there-

fore strongly advise against repeated high voltage

isolation testing, but if it is absolutely required, that

the voltage be reduced by 20% from speciﬁ ed test

voltage.

This consideration equally applies to agency recog-

nized parts rated for better than functional isolation

where the wire enamel insulation is always supple-

mented by a further insulation system of physical

spacing or barriers.

Packaging Type

Tape & Reel

Vμs

2011-03-16 KMP_DA100JC_A01 Page 1 of 3

Tube

DA100J Series

34.6

38.8

34.9

55.9

52.4

48.5

Quantity

500

for 1 second)

(Flash tested

Isolation

Vrms

2000

Related parts for DA102JC-R

DA102JC-R Summary of contents

Page 1

... For full details go to www.murata-ps.com/rohs SM Transformers for Digital Audio Data Transmission SELECTION GUIDE Primary Inductance Order Code (10kHz, 50mV) (100kHz, 10mV) mH DA101JC 1:1 1.00 - 2.20 DA102JC 1:1 1.90 - 4.00 DA103JC 1:1 3.20 - 8.50 ORDER CODE DETAILS Order Code Package Type DAXXXJC 6 Pin SM DAXXXJC-R 6 Pin SM ...

Page 2

PACKAGE SPECIFICATIONS MECHANICAL DIMENSIONS 0.354 (9.0) Max. 0.012 (0.30) 0.008 (0.20) RECOMMENDED FOOTPRINT DETAILS SOLDERING INFORMATION 1 Pin ﬁ nish Max. pPeak reﬂ ow temperature 2 Moisture sensitivity level Max. time above liquidous (217°C) 1 For further information, please visit ...

Page 3

TAPE & REEL SPECIFICATIONS REEL OUTLINE DIMENSIONS Ø15.039 (382) Max. 0.059 (1.50) Min. Unless otherwise stated all dimensions in inches (mm) ±0.01(0.25). * Includes ﬂ ange distortion at outer edge. Measured at hub. TAPE OUTLINE DIMENSIONS 0.069 (1.75) 0.157 (4.00) ...

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