美隆電子有限公司

Mayloon Electronic Co., Ltd.,

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Anti-sulfur Corrosive Precision

 

Chip Resistor (抗硫化腐蝕高精密貼片電阻)

Anti-sulfur Corrosive Precision Chip Resistor – ASC Series

PDF File Anti-sulfur Corrosive Precision Chip Resistor – ASC Series

Series (抗硫化腐蝕高精密貼片電阻)

Features

Anti-sulfur Corrosion (抗硫化腐蝕)

Resistance Range: 1Ω ¬ 10MΩ (電阻範圍廣選用性強)

High Precision Tolerance: ±0.1%. (高精密誤差率 ±0.1%)

High Power Small size and light weight (大功率小型化和重量輕)

Reliability, high quality and fast delivery (可靠,高品質和產期快捷.)

High Power Range: 1/4W(0603) ¬ 3W(2030) (貼片型小型化功率大)

Reduction of assembly costs and matching with placement machines (採用精密機器降低生產運作成本)

Application

Entertainment: Stereo, TV tuners, Tape recorder

(娛樂:立體音響、電視選配器、錄音器)

Appliance: Air conditioner, Refrigerator (冷氣機電子電路控制板及電冰箱)

Computer & relative products: Main board, PDA (電腦及相關產品:主板、PDA.)

Communication equipment: Cell phone, Fax machine (通訊設備:手機、傳真機 )

Power equipment: Power supply, Illumination equipment (電力設備:電源、照明設備)

Motor Vehicle and industrial use electrical products (汽車及工業用電子產品)

Measuring instrument: Electric meter, Navigation equipment (測量工具:電動米、導航設備 )

 

Standard Electrical Specification
Size Part No. Rated Power Maximum Voltage Resistance Range & Tolerance Range T.C.R. Jumper Rated
Type at 70 Working Overload ±0.1%;±0.5% ±1%;±2% ±5%;±10% (ppm/) Current
0402 Y-ASC02 1/16W 50V 100V --- 1Ω~9.9Ω 1Ω~9.9Ω 0~+400 0.5A
--- 10Ω~990Ω 10Ω~990Ω ±300
10Ω~1MΩ 1KΩ~10MΩ 1KΩ~10MΩ ±200
0603 X-ASC03 1/10W 50V 100V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 1A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
0805 W-ASC05 1/8W 150V 300V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 1A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1206 V-ASC06 1/4W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1210 O-ASC10 1/3W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1812 U-ASC12 1/2W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2010 U-ASC20 1/2W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1218 S-ASC18 1W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2512 S-ASC25 1W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2030 Q-ASC30 2W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2030 N-ASC30 3W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
Operating Temperature Range: -55 ~ 155
High Power Electrical Specification
Size Part No. Rated Power Maximum Voltage Resistance Range & Tolerance Range T.C.R. Operating
Type at 70 Working Overload ±0.1%;±0.5% ±1%;±2% ±5%;±10% (ppm/) Temp.Range
0603 W-ASC03 1/8W 50V 100V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 1A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
0805 V-ASC05 1/4W 150V 300V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 1A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1206 U-ASC06 1/2W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1210 OA-ASC10 4/6W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1812 S-ASC12 1.0W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2010 S-ASC20 1.0W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
1218 S-ASC18 2.0W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2512 Q-ASC25 2.0W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
2030 N-ASC30 3.0W 200V 400V --- 1Ω~9.9Ω 10Ω~10MΩ ±400 2A
--- --- 10Ω~10MΩ ±200
10Ω~1MΩ 10Ω~10MΩ --- ±100
Operating Temperature Range: -55 ~ 155
Return to Chip Resistor
 
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Newsflash

LED 驅動芯片

LED 驅動芯片

 

LED驅動芯片

1. LED驅動芯片直流額定輸入電壓范圍應當8 - 40 v,覆蓋廣泛的應用需求。最好的壓縮能力大于45 v。當輸入交流12 v24 v,簡單的橋式整流器輸出電壓可以遵循電網電壓波動,特別是在高電壓輸出直流電壓會偏高。如果驅動器集成電路沒有寬輸入電壓范圍,往往會將擊穿電壓電網,燒毀了LED光源。

2. LED 驅動芯片大于1.2 ~ 1.5額定輸出電流要求。照明的LED光源,1 wLED光源的額定工作電流350 mA, 額定工作電流的3W功率LED光源700 mA。大功率LED光源,需要更多的電流,所以選擇等LED照明驅動晶片必須有足夠的電流輸出,設計產品還必須推動IC滿負荷工作,70 ~ 90%的輸出最佳工作區域。使用完整的驅動器集成電路輸出電流的狹窄空間燈具散熱不佳,容易導致疲勞和過早損壞的燈具。

3. LED驅動芯片輸出電流必須保持不變,這導致了穩定、不閃爍。相同的驅動片中使用相同的條件下,輸出電流大小盡可能一致,這是離散的,當大規模生產自動化生產線,以確保有效和有序。離散驅動芯片輸出電流在一定程度上,會選擇步驟在工廠或者生產線前,調整電阻電流,設置電阻在PCB,使生產LED燈具的恒流驅動威脅同樣發光亮度的LED光源是一致的,才能保持最終產品的一致性。