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¼ºÈ£ÀüÀÚ(ÁÖ)¿¡ ¿À½Å°É ȯ¿µÇÕ´Ï´Ù
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DETAILS |
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ÁÖ¹®
Á¶È¸ÇÒ¶§ À¯ÀÇ»çÇ×
¨ç
Á¤°ÝÀü¾Ð: DC or AC
¨è
¿ë·®°ª
¨é
¿ë·® Çã¿ë¿ÀÂ÷
¨ê
¿ÏÁ¦Ç°: TV,PC¸ð´ÏÅÍ,PDP,¾ÈÁ¤±â µî
¨ë
¿ëµµ ȤÀº ȸ·Îdiagram, noise, Suppression,Àü·ùÄ¡ µî.
¨ì
ȸ·Î ȯ°æ Á¶°Ç:Pulse, Frequency, Current, WaveForm.
¨í
ȸ·Î ³»ºÎ ¿Âµµ
¨î
CapacitorÄ¡¼ö: ¿Ü°üÄ¡¼ö, Lead¿Í Lead°£°Ý.
¨ï
¿Ü°üÇü»ó: ¿ÜÀåÀçÁú(Powder Coated, Plastic Case),Lead
Wire
¨ï
°£°Ý (Straight, Formed, Cut, Tapingµî)
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Product
code system
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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¡á
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Digit 1 to 4 : product code
product code is 3 digit to 4 digit
example : MPP is 3 digit, MPPS is 4 digit
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Digit 5 to 6 : DC or AC rated voltage
DC rated voltage on mark
example : MPP250V104K no mark means DC rated
voltage.
Only AC rated voltage marked
example : CMPP AC 275V 104K
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Digit 14 : tolerance : ¡¾5%(J), ¡¾10%(K), ¡¾20%(M)
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Code Letter
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B
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C
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D
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F
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G
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H
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J
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K
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M
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Tolerance
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¡¾0.1
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¡¾0.25
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¡¾0.5
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¡¾1
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¡¾2
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¡¾3
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¡¾5
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¡¾10
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¡¾20
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Digit 15 : lead wire crimped style


digit 5 to 6, Nomark means "DC"
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Date
code
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Year
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Code Letter
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2005
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5
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2006
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6
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2007
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7
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2008
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8
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2009
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9
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2010
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0
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Year
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Code Letter
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1999
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9
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2000
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0
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2001
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1
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2002
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2
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2003
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3
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2004
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4
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1st week to
52nd week
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Code Letter
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1st : Mon to
Sun.
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01
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2nd : Mon to
Sun.
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02
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3rd : Mon to Sun.
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52nd : Mon to Sun.
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03
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52
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Crimped
Style for Lead Wire
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Àü¾Ð°æ°¨À²
1.
ǰÁ¾º°(Àç·áº°) Á¤°Ý¿Âµµ¿Í »ç¿ëÇѰè¿Âµµ, »óÇѿµµ¿¡ »ç¿ë½ÃÀÇ Àü¾Ð°æ°¨À²
The Polyester Film Capacitors ´Â Á֯ļö Ư¼ºÀÌ ³ôÀº°÷¿¡¼
»ç¿ëÇÒ¶§´Â CAPACITORS ½º½º·Î
¿Âµµ°¡ ¿Ã¶ó°¡°ÔµÇ¾î Dissipationfactor(tan¥ä)¼Õ½Ç°ªÀÌ ³ô°ÔµÇ´Â Ư¼ºÀÌ
ÀÖ´Ù.
ÀÚ±â¹ß¿¿Âµµ 10¡ÉȤÀº ±× ÀÌÇÏ¿¡¼ ¼³°èµÇ¾î¾ß Çϸç Á¤°Ý»óÇѿµµ¸¦ ³ÑÁö ¾Êµµ·Ï ÇØ¾ßÇÑ´Ù
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Dielectric
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Type |
Rated Upper Limit
Temperature
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Usable Upper Limit
Temperature
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Usable Upper Limit
Voltage
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Polyester |
MPE |
85¡É
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105¡É
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Rated Volt x 75%
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Polypropylene
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MPP,NPP,NPPS |
70¡É
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85¡É
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Rated Volt x 75%
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PPS
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CMPP |
85¡É
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105¡É
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Rated Volt x 75%
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| MPPS |
125¡É
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125¡É
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Rated Volt
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2.
¿ë·®°ª¿¡ µû¸¥ Àü¾Ð°æ°¨À²
ÀϹÝÀûÀ¸·Î Film Capacitors´Â ¿ë·®°ªÀÌ Áõ°¡µÊ¿¡ µû¶ó ³»Àü¾ÐÀº ³»·Á°£´Ù.
Polypropylene Film Capacitors ¿ë·®¹üÀ§°¡ 0.1§Þ ÃʰúÇÑ °æ¿ì¿¡
´ÙÀ½°ú °°Àº Voltage À̳» »ç¿ëÇÒ °Í.
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Cap.value(§Þ)
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Rated volt
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50VDC
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100VDC
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200VDC
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400VDC
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630VDC
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0.11-0.12
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49V
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98V
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195V
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390V
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615V
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0.13-0.15
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47V
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95V
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190V
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380V
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600V
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0.16-0.18
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46V
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93V
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185V
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370V
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585V
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.020-0.22
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45V
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90V
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180V
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360V
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570V
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0.24-0.27
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44V
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88V
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175V
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350V
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0.30-0.33
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42V
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85V
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170V
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340V
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0.36-0.39
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41V
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83V
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165V
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320V
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0.43-0.47
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40V
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80V
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160V
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300V
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3.
Á֯ļö°¡ ³ôÀºÈ¸·Î¿¡¼ »ç¿ëµÉ¶§ Àü¾Ð°æ°¨À²
Capacitors¸¦ °íÁ֯ļö ȸ·Î¿¡ »ç¿ëÇÒ¶§´Â Capacitors ÀÚü¿¡¼ ¹ß»ýÇÏ´Â
ÀÚ±â¹ß¿ ¶§¹®¿¡ ¿·ÎÀÎÇÑ
ÈÀçÆø¹ßÀ§ÇèÀÌ ÀÖ´Ù.
Àü¾Ð°æ°¨. Àû¿ë»ç·Ê´Â ´ÙÀ½°ú °°´Ù.
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- Capacitors used: MPP250V224J
- Operating freQuency : 30KHZ(sineÆÄÇü)
- Permissible current : 30KHZ,2.7Arms
- Usable Upperlimit Voltage : 60KHZ/150Vrms,30KHZ/65Vrms |
| - V= |
| I |
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2 fc |
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= |
| 2.7 |
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2x3.14x30x10 x10 |
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= 65Vrms |
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µû¶ó¼ 30 ´Â
Sine Wave ¿¡¼ Á¤°ÝÀü¾ÐÀº 65VrmsÀÌÇÏÀÌ´Ù.
°æ°¨À²Àº 57%ÀÌ´Ù.
Calculation
of rms in Varisious waveforms
In
each waveform, calculate the root-mean-square(rms)
value in the formula.
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ÁÖÀÇ
(1)DC Á¤°ÝÀü¾Ð ¾È¿¡¼ Capacitors ¾ç´Ü¿¡ Àû¿ëµÈ
PulseÀü¾ÐÀÇ ÃÖ´ë°ª (Vo-P)¸¦ »ç¿ëÇÒ °Í.
(2)°íÁ֯ļö¿¡ »ç¿ë½Ã Àڱ⠹߿¿¡ ÀÇÇÑ ³»Àü¾Ð°æ°¨ ¶§¹®¿¡ Lead°¡
´Ü¶ôµÉ¼öµµ ÀÖ´Ù. µû¶ó¼Capacitors ÀÇ ÀÚ±â¹ß¿¿Âµµ »ó½Â°ªÀ»
ÃøÁ¤ÇÏ¿© Á¦ÇÑ ±Ô°Ý¹üÀ§ À̳»¿¡¼ »ç¿ëÇØ¾ß ÇÔ.
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Please use the capacitor within the voltage limit
calculated by the rated voltage multiplied
by
the
coefficient listed as bellow.
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MPE TYPE
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MPP TYPE
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Frequency
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Derating Rate to
50/60Hz AC Rated Voltage
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Frequency
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Derating Rate to
50/60Hz AC Rated Voltage
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50/60 Hz
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100(%)
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50/60 Hz
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100(%)
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1K
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54
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1K
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76
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5K
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39
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5K
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55
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10K
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34
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10K
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49
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20K
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30
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20K
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41
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30K
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27
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30K
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38
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40K
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26
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40K
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36
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50K
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25
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50K
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35
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60K
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24
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60K
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33
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70K
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23
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70K
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32
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80K
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22
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80K
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31
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90K
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21
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90K
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30
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100K
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21
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100K
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30
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"AC"
Voltage value must be within the specified value
as below.
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Rated Voltage
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MPE
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MPP
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100VDC
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50VAC
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250VDC
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125VAC
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125VAC
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400VDC
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200VAC
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160VAC
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630VDC
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250VAC
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200VAC
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800VDC
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250VAC
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Maximum
Operating AC Voltage (at 50, 60Hz) |
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Çã¿ëÀü·ù
Film Capacitors´Â ³»ºÎImpedance °¡ ³·´Ù. µû¶ó¼
¸Å¿ì ¸¹Àº ¾çÀÇ Àü·ù°¡ ȸ·Î¿¡ µû¶ó ÃæÀüµÇ±âµµ ÇÏ°í ¹æÀüµÇ±âµµ ÇÑ´Ù.ÃæÀüÀ̳ª
¹æÀüÀÌ Çã¿ëÇѵµ¸¦ ³Ñ¾î¼¸é Capacitor ³»ºÎÀÇ ¹ß¿·Î ÀÎÇÏ¿© ¿Âµµ°¡
»ó½ÂÇÏ°Ô µÈ´Ù. ÀÌ·¯ÇÑ °ÍµéÀº °á±¹ ³»Àü¾ÐÀÇ ¿È·Î À̾îÁ® ȸ·Î°¡ Ÿ¼
±Ý¹æ ¸ø¾²°Ô µÈ´Ù. ƯÈ÷,rmsÀü·ù°¡ ¸¹°Å³ª Å« PulseÀÇ Àü·ù°¡ È带¶§¿¡´Â
³»ºÎ ¿Âµµ»ó½ÂÀ» ÃøÁ¤ÇÏ¿© Çã¿ëÇѵµ ³»¿¡ ÀÖ´ÂÁö¸¦ È®ÀÎÇØ¾ß ÇÑ´Ù. Çã¿ëÀü·ù´Â
Capacitors ÀÇÆÄÇü¿¡ µû¶ó Pulse Current (Peak Current)
Continuus Current (rms Current)·Î ºÐ·ùÇÑ´Ù. µÎÁ¾·ù
¸ðµÎ Çã¿ë°ª À̳»¿¡¼ »ç¿ëÇÏ´Â °ÍÀÎÁö¸¦ ¹Ýµå½Ã È®ÀÎÇØ¾ß ÇÑ´Ù.
1. Á֯ļö¿¡ µû¸¥ Çã¿ëÀü·ù
Film Capacitor´Â ¼Õ½Ç°ª(Dissipation factor)°ú
Á֯ļö Ư¼ºÀÌ ´Ù¾çÇÏ´Ù. Operating FrequencyÀÇ Çã¿ë°¡´ÉÇÑ
rms Àü·ù´Â Capacitor type ¿¡ µû¶ó ´Ù¸£´Ù. ƯÈ÷, °íÁ֯ļö¿¡¼
ÀÛµ¿½Ã dissipation factor´Â Áõ°¡ÇÑ´Ù. Çã¿ëÀü·ù¸¦ ³Ñ¾î¼
»ç¿ëÇÏ¸é ¿Âµµ»ó½ÂÀ¸·Î ´ÜÀÚ°¡ ¶³¾îÁö°Å³ª Ÿ(ÈÀç)°Ô µÈ´Ù.
2. Pulse Current
¿¡ µû¸¥ Çã¿ëÀü·ù.
Pulse Çã¿ëÀü·ù´Â ÀϹÝÀûÀ¸·Î ¿ë·®°ª°ú dv/dt (V )°ª¿¡
ÀÇÇØ ¾ò¾îÁø´Ù. Film Capacitor ÀÇ dv/dt (V )°ªÀº
¼ÒÀÚ±¸Á¶¿¡ À¸ÇØ °áÁ¤µÈ´Ù.
Pulse Çã¿ëÀü·ùÀÇ °áÁ¤¹æ¹ý
Q = C.V ....¨ç
Q : electric charge (Coulomb)
C : Capacitance value (Farad)
V : Voltage
I = dQ/dt....¨è
I = Charging current (A)
¨ç ½ÄÀÇ ¾çº¯À» ½Ã»ê t·Î ¹ÌºÐÇÏ¿© ¨è ½Ä¿¡ ´ëÀÔÇÏ¸é ¨é
½ÄÀÌ ¾ò¾îÁø´Ù
dQ /dt=C
dv/dt....¨é
µû¶ó¼ ¿ë·®°ª C(§Þ)¿Í Àü¾Ðº¯È dv/dt(V )¿¡
µû¶ó¼ pulse Àü·ù°¡ °áÁ¤µÈ´Ù.
| [¿¹]
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MPE 400V 224V ÀÇ Çã¿ëÀü·ù
dv/dt °ªÀº
Rated Voltage : 400VDC
Capacitance :0.22
Permissible dv/dt
Value = 37¶ó Çϸé
pulse Çã¿ëÀü·ù = 0.22(§Þ)x37=
8Ao-p
(´Ü, ¹Ýº¹¼ö´Â 10,000¹ø ÀÌÇÏÀÓ)
¼ø°£ÀûÀÎ pulseÀü·ù´Â 8Ao-p ±îÁö »ç¿ëÇÒ ¼ö ÀÖ´Ù´Â ¶æÀÌ´Ù.
rmsÀü·ù´Â Çã¿ë°ª À̳» À̹ǷΠ¸í½ÉÇØ¾ß µÊ. |
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FILM
CAPACITORS
| Metallized Polyester
Film Capacitor |
Within 10¡É |
| Metallized Polypropylene
Cap. |
Within 5¡É |
| PPS Film |
Within 15¡É |
| Polypropylene
Film Cap. & Series type |
Within 7¡É |
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Operating
temperature own temperatur rise
When the film capacitor is used in an AC circuit,
especially in high frequency application the
capacitors self heating generation may be occured.
Check the self heating temperature rising value
in actual conditions of use and within the limit
specified in the table above.
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