美隆電子有限公司

Mayloon Electronic Company Limited

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CD4148WN

Chip Switching Diode CD4148WN (1206 100V 0.15A)

PDF File CD4148WN (1206 100V 0.15A)

CD FEATUR

  • Silicon epitaxial planar diode
  • Surface comut patern , available in various dimension included 0805 & 0603
  • Lead free and RoHS compliance components
  • Fast AC switching input as rectified circuit and high reverse voltage location

直流輸入和高電壓位置電路圖 And location of high voltage DC input circuit

高電壓位置電路圖 Location of high voltage circuit

□ ELECTRICAL CHARACTERISTICS
Parameter at Tamb = 25℃ Symbol Value Unit
Repetitive Peak Reverse Voltage VRRM (VPK) 100 V
Forward Continuous Current amb=25℃ IFRM 300 mA
Average rectified current sin half wave rectification with resistive load IF(AV) 150 mA
Non-Repetitive Surge Forward Current IFSM mA
at t<1s and and Tj=25℃; 500
at t≦8.3ms and Tj=25℃. 1000
Forward Power Dissipation Ptot 400 mW
Power derating above 25℃. 3.2 mW/℃
Forward Voltage at IF=10mA VF 1.0 max V
Forward Voltage at IF=100mA 1.25 max
Leakage Current at VR=20V IR 25 max nA
Leakage Current at  VR=75V 0.5 max μA
Capacitance at VR=0V, f=1MHz. Ctot 4 max pF
Voltage rise when switching ON, Testes with 50mA pulses, TP=0.1us, risetime <20ns,  Fp=(5-100)KHz. Vfr 2.5 max V
Reverse Recovery Time at IF=100mA to IR=1mA, VR=V6, RL=100Ω TRR 4.0 max ns
Rectification efficiency at f=100MHz, VRF=2V nr 45 min %
1. Valid provided that electrodes are kept at ambient temperature.

 

Parameter at Tamb = 25℃ (貼片二極管特性參數) SINLOON®
型號 類型 VRRM IFSM IF(AV) 型號 類型 VRRM IFSM IF(AV)
Part No. Type (V) (mA) (mA) Part No. Type (V) (mA) (mA)
BAV19WS SOD-323 100V 250 400 CD4148WSN 0805 100 500 150
BAV20WS SOD-323 150V 250 400 CD4148WSP 0805 75 500 150
BAV21WS SOD-323 200V 250 400 CD4148WTN 0603 90V 500 150
BAV56 SOT-23 75 200 300 CD4148WTP 0603 75 500 150
BAV56W SOT-323 75 200 300 CDBAV21W 1206 200 500 200
BAV70 SOT-23 75 200 300 CDBAV21WS 0805 200 500 200
BAV70W SOT-323 75 200 300 CDBAW56 SOT-23 70 200 200
BAV99 SOT-23 75 200 300 CDBAV70 SOT-23 70 200 200
BAV99W SOT-323 75 200 300 CDBAV99 SOT-23 70 200 200
CD4148WN 1206 100 500 150 IN4148W SOD-123 75 200 150
CD4148WP 1206 75 500 150 MMBD4148 SOT-23 75 200 300

CD4148

 
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Newsflash

正確測量LED供電電源

正确量測LED電源

 

正確測量LED供電電源

就普通照明而言,LED技術已經可以滿足生產高品質燈具的要求,但是具體生產高品質LED燈具時,則需要掌握電力電子學、光學和熱管理學等三個領域的知識。很少有同時精通於三個領域的工程師,而如果電源工程師還負責系統架構時,他多半會將更多精力放在控制輸出電流的精確度上。毫無疑問,精確度非常重要,但當我們的最終產品是一個燈具時,它發出的光的品質才是關心的重點所在。如何對LED驅動電流進行嚴格控制,因為當關心輸出光品質時,對LED驅動電流的控制將會成為影響LED電源成本的重要因素。為了使用於LED供電電源設計的每分錢都充分發揮作用。

封閉實際光輸出的控制回路

標準電源設計中常見的習慣

善用每一分預算