美隆電子有限公司

Mayloon Electronic Co., Ltd.,

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SS0520FL - SS0540FL

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按此還有更多 0.5A Surface Mount Schottky Barrier Diode

PDF File 0.5A SS0520FL-SS0540FL SOD-123FL

SINLOON? 小型化蕭特基二極管 SS0520FL~SS0540FL
Case: SOD-123FL 0.5A Surface Mount Schottky Barrier Diode
FEATURE: MECHANICAL CHARACTERISTICS:
Fast Switching Case: SOD-123FL Molded Plastic
Low Turn-on Voltage Weight: 0.017 Grams (approx)
Very small SMD package Marking: Device Part Code
Designed for Surface Mount Application Polarity: Cathode Band
PN Junction Guard Ring for Transient and ESD Protection. Terminals: Plated leads solder able per MIL-STD-202, Method 208.
Plastic Material - UL Recognition Flammability Classification 94V-0 Lead Free for Rohm / Lead free version and "LF" suffix to part number.
Maximum Ratings @TA=25 unless otherwise specified
Characteristic Part Code SS0520FL SS0530FL SS0840FL Unit
Symbol B02 B03 B04
DC Blocking Voltage: VR 20 30 40 V
Peak Repetitive Reverse Voltage VRRM
Working Peak Reverse Voltage VRWM
Forward Continuous Current (note 1) IF 500 500 500 mA
(JEDC Method) IFSM 5.5 A
Thermal Resistance, Junction to Ambient (Note 1) RθJA 206 /W
Forward Voltage Drop????? @IF = 0.5A VFM. 0.52 V
Peak Reverse Leakage Current @VRRM IRM. 100 μA
Typical Junction Capacitance (VR = 0V DC, f=1MHz) Cj. 170 pF
Operating and Storage Temperature Range TJ,TSTG. -65 to +125
Note: 1. Mounted on FR-4 PCB with 645mm2 pad size. Return to Schottky Diode First Page
 
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Mayloon Electronic Company Limited Mayloon Lighting Company Limited

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更換街燈

知慳惜電 更換街燈

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更換街燈

本港有十三萬七千多盞 ?路燈 及近七萬套天橋、隧道光管燈具,市民每年為此繳交電費近一億元。路政署研究節省能源及電費開支,今年將動用四百七十萬元試驗環保燈具計劃,在全港各區安裝陶瓷鹵化物路燈、LED(發光二極管)路燈及LED光管測試效能,這些燈具雖可省電一至三成,售價卻比傳統燈具貴兩至十二倍不等,試驗兩年後才有較清晰發展方向。環保團體指,港府只要拆除不必要的路燈及改裝較矮身的燈具,已可省下不少能源,效用或比花錢試驗更大。

今年八月前路政署又會在多區的行人天橋、隧道安裝二百套LED光管作較大規模的試驗,包括黃大仙、深水埗、觀塘、沙田等地,開支為三十五萬元。今個財政年度亦將在鰂魚涌及大窩坪等地,安裝一百盞LED路燈試驗,成本約一百多萬元。

該署去年底已率先在 九龍塘試驗安裝四盞LED路燈,初步評估顯示LED燈可節省一成耗電量,但因生產規模較小,售價偏高,有較佳表現及認證的產品比一般路燈貴達九至十二倍。LED燈的光效較高壓鈉燈為低,輸出光通量及瓦數亦較小,因此只會在較窄及車流量較低的道路試用。至於LED光管則較現時沿用的螢光燈管節省逾三成耗電量。

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