Datasheet

CS3.241
C-Line
24V, 3.3A, SINGLE PHASE INPUT
9. LIFETIME EXPECTANCY AND MTBF
AC 100V AC 120V AC 230V
Lifetime expectancy
*)
98 000h 106 000h 120 000h at 24V, 1.65A and 40°C
277 000h
*)
300 000h
*)
338 000h
*)
at 24V, 1.65A and 25°C
57 000h 64 000h 77 000h at 24V, 3.3A and 40°C
160 000h
*)
180 000h
*)
218 000h
*)
at 24V, 3.3A and 25°C
MTBF
**)
SN 29500, IEC 61709 1 788 000h 1 901 000h 2 243 000h at 24V, 3.3A and 40°C
3 131 000h 3 287 000h 3 796 000h at 24V, 3.3A and 25°C
MTBF
**)
MIL HDBK 217F 849 000h 854 000h 886 000h at 24V, 3.3A and 40°C;
Ground Benign GB40
1 088 000h 1 095 000h 1 153 000h at 24V, 3.3A and 25°C;
Ground Benign GB25
195 000h 196 000h 214 000h at 24V, 3.3A and 40°C;
Ground Fixed GF40
246 000h 246 000h 272 000h at 24V, 3.3A and 25°C;
Ground Fixed GF25
*) The Lifetime expectancy shown in the table indicates the minimum operating hours (service life) and is determined by the lifetime
expectancy of the built-in electrolytic capacitors. Lifetime expectancy is specified in operational hours and is calculated according to the
capacitor’s manufacturer specification. The manufacturer of the electrolytic capacitors only guarantees a maximum life of up to 15 years
(131 400h). Any number exceeding this value is a calculated theoretical lifetime which can be used to compare devices.
**) MTBF stands for Mean Time Between Failure, which is calculated according to statistical device failures, and indicates reliability of a
device. It is the statistical representation of the likelihood of a unit to fail and does not necessarily represent the life of a product.
The MTBF figure is a statistical representation of the likelihood of a device to fail. A MTBF figure of e.g. 1 000 000h means that
statistically one unit will fail every 100 hours if 10 000 units are installed in the field. However, it can not be determined if the failed unit
has been running for 50 000h or only for 100h.
10. FUNCTIONAL DIAGRAM
Fig. 10-1 Functional diagram
+
+
-
-
V
OUT
Input Fuse
&
Input Filter
Output
Voltage
Regulator
Power
Converter
Output
Filter
DC
ok
L
N
Output
Over-
Voltage
Protection
Input
Rectifier
&
NTC Inrush
Limiter
Jul. 2015 / Rev. 2.0 DS-CS3.241-EN
All parameters are specified at 24V, 3.3A, 230Vac, 50Hz, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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