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本帖最后由 Ferrya 于 2018-12-24 09:41 编辑
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: X f9 Z; T! ~; j) g; D# d. @) F; ?某韩国品牌瓷片电容容值测试条件！
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1、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：( I( y5 I$ w2 a0 I" E( p
" g* t7 h8 I. g2 v, F& P8 PNote1. Initial Measurement For ClassⅡ
# P: A4 T. F! J+ F4 j" MPeRForm 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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Note2. Latter Measurement# F6 {$ U. ^/ r# A& ^) x$ D
1. CLASSⅠ U1 ?0 X9 c. W$ G8 R: U
Leave the capacitor in ambient condition for 24±2 hours before measurement. Then perform the measurement.
) N# W( `+ w- M" d5 W2. CLASSⅡ& l/ I7 b) D+ d3 O: 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.$ D W, {/ G% M6 S/ j5 }+ q
Then perform the measurement.
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8 L* c6 r7 D+ _6 R0 wNote3. All Size in Reliability Test Condition Section is “inch”
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Note4. Camera Strobe Circuit Capacitors Should be Following a Special Reliability Test Condition.
8 A4 d* \# ^/ V, N3 a8 yPlease check with our sales representatives or product engineers. |
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发表于 2018-12-24 09:33
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