0 X* z: g. y8 ?8 \7 U1、据厂家品质部描述，某韩国大厂贴片瓷片电容容量普遍偏小约30%，将电容全部退了回去！最后在规格书后面备注发现，其电容规格书有测试的条件如下：+ U3 L+ k! R i ~$ A
( c# r5 M; W' q1 X6 nNote1. Initial Measurement For ClassⅡ( T4 ~: Z( E+ N* e
PeRForm the heat treatment at 150℃+0/-10℃ for 1 hour. Then Leave the capacitor in ambient condition for 24±2 hours before measurement.Then perform the measurement. 3 t3 X$ m; ?! S1 o8 c: B+ O6 \0 P) M [( n
Note2. Latter Measurement G$ H |9 |5 g9 o+ m2 g; {7 l8 t1 o
1. CLASSⅠ# ^# \* u9 U/ B4 }/ _" H
Leave the capacitor in ambient condition for 24±2 hours before measurement. Then perform the measurement. 1 N) F4 T/ u! n9 L* x9 V9 G2. CLASSⅡ6 H/ d5 u3 H; g( a- I
Perform the heat treatment at 150℃+0/-10℃for 1 hour. Then Leave the capacitor in ambient condition for 24±2 hours before measurement. " p" B* P4 G u9 Q3 qThen perform the measurement., D: n4 h' ?( H. _+ R
, @! K+ x8 U; A& T0 ]1 n8 _% T5 BNote3. All Size in Reliability Test Condition Section is “inch”* r* G# F* b+ {% U% X
/ |$ V/ |0 ^0 Q+ m$ }
Note4. Camera Strobe Circuit Capacitors Should be Following a Special Reliability Test Condition." _# ~% i% N+ E; C: e( t( r3 h
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发表于 2018-12-24 09:33
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