CT1812S75ATELEG2 datasheet(3/30 Pages) EPCOS

3 / 30 page

Features

High surge voltage capability up to 2 kV for

10/700 µs (acc. to German telecom administration

standards)

High surge load capability acc. to IEC 61000-4-5

Matched to line conditions with or without

superimposed ringing voltages

RoHS-compatible

Suitable for lead-free soldering

PSpice models available

Applications

Transient protection for:

Line cards in switching exchange systems

Terminal devices such as telephones, fax,

modems

xDSL, PBX, DECT lines

Design

Multilayer technology

Lack of plastic or epoxy encapsulation for

flammability rating better than UL 94 V-0

Termination (see “Soldering directions”):

CT types with nickel barrier terminations (AgNiSn),

recommended for lead-free reflow and wave

soldering, and compatible with tin/lead solder.

V/I characteristics and derating curves

V/I and derating curves are attached to the data sheet.

The curves are sorted by VRMS and then by case size,

which is included in the type designation.

Single chip

Internal circuit

Available case size:

EIA

Metric

1812

4532

General technical data

Maximum RMS operating voltage

VRMS,max

60 ... 115

Maximum DC operating voltage

VDC,max

85 ... 150

Maximum surge current

(10 pulses, 10/700 µs)

Isurge,max

Maximum clamping voltage

(8/20 µs)

Vclamp,max

200 ... 360

Operating temperature

Top

40/+85

°C

Storage temperature

LCT/UCT

40/+125

°C

Multilayer varistors (MLVs)

Telecom series

Page 3 of 30

Please read Cautions and warnings and

Important notes at the end of this document.

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