125 Watt "C" Series MTBF

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Mean Time Before Failure Report

The intent of this report is to provide our customers with data that substantiates the calculated long term reliability of the products manufactured by UltraVolt, Inc.

An MTBF analysis has been performed upon the 1/2C24-N125 power supply based upon the factors enumerated below:

·  Failure rates from MIL HDBK 217F, Notice 2

·  A series reliability model

·  Redundant paths do exist and would indicate a significant increase in actual reliability although not evident with MTBF

·  GB, GF, and GM environments at a temperatures of 21, 55 and 65 degrees Centigrade

·  Actual power dissipation and electrical stresses

·  Components stressed at less than 10% are taken at 10%

·  Failure Modes derived from Failure Mode/Mechanism Distributions (RADC) were utilized in the calculations and indicated with the acronym (FM) to factor the failure rate for modes which adversely affect the power supply

·  Several components are used in the standard assemblies but are not used for the operation of this power supply, such components are labeled (NU), minimal failure rates are taken from MIL HDBK 217 for that part type

Calculations were done on nine environments; ground benign, fixed and mobile at 3 temperatures, 21°, 55°, and 65°C and are summarized as follows:


Temp

21°C
55°C
65°C

21°C
55°C
65°C

21°C
55°C
65°C


Environment

Ground Benign
Ground Benign
Ground Benign

Ground Fixed
Ground Fixed
Ground Fixed

Ground Mobile
Ground Mobile
Ground Mobile

Calculated MTBF
(in hours)

1,039,073
391,002
281,612

174,644
68,951
52,348

91,352
37,394
28,646

This report is issued for general sales use and has been edited to maintain UltraVolt's corporate policy on confidential information. Full reports are maintained at UltraVolt in the Quality files.

 


台 北 縣 汐 止 市 康 寧 街 169 巷 23 號 7 樓 之 三

公司電話:+886-2-26958906(代表號) 02-2695-6755, 02-2695-7011, 02-2695-7033

公司傳真:+886-2-26958911

上次更新日期: 2010年01月14日。

 


[首頁] [向上] [“C” SERIES] [“A” SERIES] [“AA” SERIES] [“E” SERIES] [“10A→25A” SERIES] [“30A→40A” SERIES] [HIGH POWER “8C→30C” SERIES] [HIGH POWER “C” SERIES] [BI-POLAR HIGH POWER “C” SERIES] [應用實做範例] [電路設計範例] [電路機構設計] [安規品質認證]

     

新 北 市 汐 止 區 康 寧 街 169 巷 23 號 7 樓 之 一

公司電話:+886-2-2695-8906(代表號)

 02-2695-6755, 02-2695-7011, 02-2695-7033

公司傳真:+886-2-26958911

朱奕政 分機:24 kevin@bentech-taiwan.com

上次更新日期: 2016年04月13日。