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本帖最后由 Ferrya 于 2018-12-24 09:41 编辑 ! K# N. X' \) |
6 x9 \- M1 w' y9 Q3 B某韩国品牌瓷片电容容值测试条件！
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* q6 y! w3 [, e5 O8 @4 m) U, [9 F1、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：
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Note1. Initial Measurement For ClassⅡ7 \' C* p! S ]
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.
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) h$ B, P, @1 M; `% KNote2. Latter Measurement9 \8 a. _. ]: z$ ^2 t1 W: B' a% T
1. CLASSⅠ- W# J7 Y% a( ]+ Z
Leave the capacitor in ambient condition for 24±2 hours before measurement. Then perform the measurement.
$ q/ Y7 O7 U1 \+ x; F' K" _3 T" J2. CLASSⅡ, E) A) L+ e; O9 p1 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.
3 T2 D+ O! N# ]! G3 V5 }Then perform the measurement.( j9 \6 g9 y) D' D
/ c' f9 H- W$ b: t( oNote3. All Size in Reliability Test Condition Section is “inch”
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7 D' {8 P u# `5 P: W7 KNote4. Camera Strobe Circuit Capacitors Should be Following a Special Reliability Test Condition.4 P/ s* i$ D4 h) f3 _2 n7 D+ r
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发表于 2018-12-24 09:33
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