B&B Electronics NTPS-24-5 - Datasheet - Manual (Page 7)

CS5.241, CS5.241-C1, CS5.241-S1
C–Series
24V, 5A, S INGLE P HASE I NPUT
Dec. 2006 / Rev. 1.3 DS-CS5.241-EN
All parameters are specified at 24V, 5A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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10. F UNCTIONAL D IAGRAM
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
&
Inrush
Limiter
115/230V
Auto Select
11. R
ELIABILITY
AC 100V AC 120V AC 230V
Lifetime expectancy min. 52 000h 58 000h 72 000h 40°C, 24V, 5A
min. 27 000h 34 000h 42 000h 40°C, 24V, 6A
min. 135 000h 128 000h 144 000h 40°C, 24V, 2,5A
min. 142 000h 15 years 15 years 25°C, 24V, 5A
MTBF SN 29500, IEC 61709 638 000h 661 000h 869 000h 40°C, 24V, 5A
542 000h 562 000h 739 000h 40°C, 24V, 6A
1 077 000h 1 111 000h 1 495 000h 25°C, 24V, 5A
MTBF MIL HDBK 217F 552 000h 546 000h 574 000h 40°C, 24V, 5A, Ground Benign GB40
497 000h 491 000h 517 000h 40°C, 24V, 6A, Ground Benign GB40
788 000h 775 000h 800 000h 25°C, 24V, 5A, Ground Benign GB25
The Lifetime expectancy shown in the table indicates the operating hours (service life) and is determined by the
lifetime expectancy of the built-in electrolytic capacitors.
Lifetime expectancy is specified in operational hours. Lifetime expectancy is calculated according to the capacitor’s
manufacturer specification. The prediction model allows a calculation of up to 15 years from date of shipment.
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.