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CU4xxxKxxAUTOG2 Datasheet Preview

CU4xxxKxxAUTOG2 Datasheet

Monolithic

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SMD Varistors
Monolithic; Automotive Series
Construction
I Cylindrical varistor element, encapsulated
I Encapsulation: thermoplast, flame-retardant to UL 94 V-0
I Termination: tinned copper alloy
Features
I High energy absorption, particularly in case of load dump
I Jump-start strength
I Stable protection level, minimum leakage current
I High resistance to cyclic temperature stress
I Good solderability
I Low inductance
I PSpice models
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
EPCOS metal oxide varistor
Design
Size (nominal)
Tolerance
of varistor voltage
SIOV-CU 4032 K 14 AUTO G2
Taping mode
Automotive varistor
Max. AC operating voltage
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
Operating temperature
40 + 85 °C
Storage temperature
40 + 125 °C
Electric strength
Insulation resistance
³ 2,5 kVRMS
³ 1,0 GW
Response time
< 10 ns
Solderability
235 °C, 2 s
Resistance to soldering heat 260 °C, 10 s
in accordance with IEC 60068-1
in accordance with IEC 60068-2-3
in accordance with CECC 42 000
in accordance with CECC 42 000
in accordance with CECC 42 000
in accordance with IEC 60068-2-58
in accordance with IEC 60068-2-20
Note:
Contact EPCOS for consultancy if solvents on water-base are used for cleaning.
149 04/02



EPCOS
EPCOS

CU4xxxKxxAUTOG2 Datasheet Preview

CU4xxxKxxAUTOG2 Datasheet

Monolithic

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CU4xxxKxxAUTOG2 pdf
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SMD Varistors
Monolithic; Automotive Series
Maximum ratings (TA = 85 °C)
Type
Ordering code
SIOV-
12-V supply systems
CU3225K14AUTOG2 B72650M1140K072
CU4032K14AUTOG2 B72660M1140K072
CU3225K17AUTOG2 B72650M1170K072
CU4032K17AUTOG2 B72660M1170K072
24-V supply systems
CU3225K30AUTOG2 B72650M1300K072
CU4032K30AUTOG2 B72660M1300K072
VRMS VDC
VV
14 16
14 16
17 20
17 20
30 34
30 34
imax
Wmax
8/20 ms (2 ms)
AJ
100 0,4
250 0,9
100 0,5
250 1,1
100 0,9
250 2,0
Pmax
W
0,01
0,02
0,01
0,02
0,01
0,02
WLD
(10x)
J
6
12
6
12
6
12
Characteristics (TA = 25 °C)
Type
VJump
(5 min)
SIOV-
V
12-V supply systems
CU3225K14AUTOG2 25
CU4032K14AUTOG2 25
Vv
(1 mA)
V
22
22
DVv
(1 mA)
%
± 10
± 10
Max. clamping
voltage
vi
VA
43 1,0
43 2,5
CU3225K17AUTOG2 30 27 ± 10 53 1,0
CU4032K17AUTOG2 30 27 ± 10 53 2,5
24-V supply systems
CU3225K30AUTOG2 50 47 ± 10 93 1,0
CU4032K30AUTOG2 50 47 ± 10 93 2,5
Ctyp Derating V/I char-
(1 kHz) curve acteristic
nF Page Page
1,4 246
2,3 246
1,2 246
1,9 246
274
275
274
275
0,6 246
1,1 246
274
275
Notes
I If the maximum loads specified for load dump and jump start are fully utilized, subsequent
polarity reversal of the AUTO varistors is inadmissible.
I If the load remains under the maximum ratings, polarity reversal may be admissible.
Contact EPCOS for consultancy on this kind of problem.
I Load dump or jump start can decrease the varistor voltage in load direction by max. 15 %.
I Load dump: min. time of energy input 40 ms, interval 60 s.
150 04/02


Part Number CU4xxxKxxAUTOG2
Description Monolithic
Maker EPCOS
Total Page 4 Pages
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