Construction
I Cylindrical varistor element, encapsulated
I Encapsulation: thermoplast, flame-retardant to UL 94 V-0I Termination: tinned copper alloy
Features
I Electrical equivalents to leaded
types SIOV-S05/S07 up to 460 V RMS I Good solderability I PSpice models
I Approvals: UL (all types) and CSA (3 K130)Taping
I Supply on 8/12-mm tape, for tape dimensions see pages 154/155,
for reel dimensions and packing units see page 157, chapter “SMD Varistors: Taping ”Type designation
Detailed description of coding system on page 39, chapter “General Technical Information ”
Note:Contact EPCOS for consultancy if solvents on water-base are used for cleaning.
General technical data Climatic category LCT UCT
Damp heat, steady state (93 % r.h., 40 °C)40/85/56
– 40 °C + 85 °C 56 days in accordance with IEC 60068-1
in accordance with IEC 60068-2-3Operating temperature – 40 … + 85 °C in accordance with CECC 42 000Storage temperature – 40 … + 125 °C
Electric strength 3 2,5 kV RMS in accordance with CECC 42 000Insulation resistance 3 1,0 G W in accordance with CECC 42 000Response time < 10 ns Solderability
235 °C, 2 s
in accordance with IEC 60068-2-58Resistance to soldering heat 260 °C, 10 s
in accordance with IEC 60068-2-20
EPCOS metal oxide varistor
SIOV-CU 4032 K 275 G2
Design Size (nominal)
Taping mode
Max. AC operating voltage Tolerance of varistor voltage
SMD Varistors
Monolithic; Standard Series
Dimensions
Termination: tinned copper alloy
Type
I mm b mm h mm SIOV-CU3225K11...1758,0 ± 0,36,3 ± 0,33,2 ± 0,3SIOV-CU3225K230...3008,0 ± 0,36,3 ± 0,34,5 ± 0,3SIOV-CU4032K11...17510,2 ± 0,38,0 ± 0,33,2 ± 0,3SIOV-CU4032K230 (460)
10,2 ± 0,3
8,0 ± 0,3
4,5 ± 0,3
Recommended solder pad layout Type
A mm B mm C mm D mm SIOV-CU3225K11 (175)
3,52,84,510,1SIOV-CU3225K230...3003,52,84,510,1SIOV-CU4032K11...1753,52,86,512,1SIOV-CU4032K230 (460)
3,5
2,8
6,5
12,1
Weight:
CU3225: approx. 0,5 g CU4032: approx. 0,8 g
Monolithic; Standard Series
SMD Varistors
Herausgegeben von EPCOS AG
Unternehmenskommunikation, Postfach 801709, 81617 München, DEUTSCHLAND
( ++49 89 636 09, FAX (089) 636-2 2689
EPCOS AG 2002. Vervielf?ltigung, Ver?ffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne aus-drückliche Genehmigung der EPCOS AG nicht gestattet.
Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elek-troindustrie, soweit nichts anderes vereinbart wird.
Diese Broschüre ersetzt die vorige Ausgabe.
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Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
( ++49 89 636 09, FAX (089) 636-2 2689
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
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 Representa-tives.
Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.