KS A IEC 61709-2006 Electronic components-Reliability-Reference conditions for failure rates and stress models for conversion《电子部件 可靠性 变换的故障率及应力模型的基准条件》.pdf
《KS A IEC 61709-2006 Electronic components-Reliability-Reference conditions for failure rates and stress models for conversion《电子部件 可靠性 变换的故障率及应力模型的基准条件》.pdf》由会员分享,可在线阅读,更多相关《KS A IEC 61709-2006 Electronic components-Reliability-Reference conditions for failure rates and stress models for conversion《电子部件 可靠性 变换的故障率及应力模型的基准条件》.pdf(34页珍藏版)》请在麦多课文档分享上搜索。
1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 12 27 http:/www.kats.go.kr KS A IEC 61709 KS A IEC 61709: 2006 (2012 ) A IEC 61709: 2006 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2006 12 27 :2012 12 29 2012-837 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 31.020 KS A IEC 61709: 2006(2
2、012 )Electronic components Reliability Reference conditions for failure rates and stress models for conversion 1996 1 IEC 61709 Electronic components Reliability Reference conditions for failure rates and stress models for conversion . . , , . , / . . . . . (extrapolation) . A . . ( , ) . , , , . (
3、, , 3 ). . . . . , . , . , . . 1. . . , . . ( A IEC 61709: 2006 2 A ). 2. . , ( ) . IEC 60050(191): 1990 International Electrotechnical Vocabulary(IEV) Chapter 191: Dependability and quality of service IEC 60721 3 3: 1994 Classification of environmental conditions Part 3: Classification of groups of
4、 environmental parameters and their severities Section 3: Stationary use at weather-protected locations 3. . 3.1 (failure) . IEV 191 04 01 3.2 (failure rate) (t, t T) (t, t T) T (ratio) T 0 IEV 191 12 02 IEV 191 12 02 (A.3 ). T (time to failure) (first failure) . 3.3 (mean failure rate) IEV 191 12 0
5、3 3.4 (reference conditions) 3.5 (reference failure rate) . . , . 3.6 (failure criterion) . 3.7 (operating mode) . (duty) . ( , ) . ( , ) . 3.8 (prediction) IEV 191 16 01 “prediction” . 4. . ref U I A IEC 61709: 2006 3 T ES S amb ( ) Tamb ( ) amb, ref ( ) Tamb, ref ( ) ref ( ) Tref ( ) Tref ( ) T (
6、) 1 : ( ) (*) 2 : ( ) U Uref Urat I Iref Irat P Pref Prat Rth Rth, amb( ) (*) KS C IEC 60747 1 Tvj (internal equivalent temperature) . 1. , ( ) . 2. . A IEC 61709: 2006 4 5. 5.1 5.2 5.7 . 5.2 () ( A.3 , ) . , . ( , ) (3.3 ) . 5.3 , (complete failures) (parametric drift failure) . ( A.3 ). “ (specifi
7、cation failure)”, . . 5.4 5.7 ( , ), . 5.5 1 (1) (2) amb, ref 40 IEC 60721 3 3 Class 3K3 IEC 60721 3 3 Class 3M3 (3) . (1) . (2) ( ) . . (3) , , , , , ( ) , , , , 5.6 . 2 . 5.7 . A IEC 61709: 2006 5 2 (1) CMOS: Uref 5 V : 70 %(Uref/Urat 0.7) : 15 % Tref . PrefRth, amb , , (2) : 50 %(Uref/Urat 0.5) T
8、ref . PrefRth, amb , , , , , LEDs IREDs : 50 %(Uref/Urat 0.5) LEDs IREDs: 50 %(Iref/Irat 0.5) Tref . PrefRth, amb 40 50 %(Pref/Prat 0.5) Tref . PrefRth, amb : 40 80 %(Uref/Urat 0.8) : 40 50 %(Uref/Urat 0.5) , , 40 50 %(Pref/Prat 0.5) . (3) - 50 %(Iref/Irat 0.5) : (4) : 0.5 V UUrata.c. 0 A I0.1 A : 0
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