CS3.241 Datasheet, PDF (10/24 Pages) PULS GmbH – SINGLE PHASE INPUT

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CS3.241
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
Output
Voltage
Regulator
V_OUT
L
Input
+
N
Input Fuse
&
Rectifier
&
Power
Converter
Output
Filter
Input Filter
NTC Inrush
+
-
Limiter
-
Output
Over-
DC
Voltage
ok
Protection
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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