LED 分路

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概览

NUD4700 是一款电子分路,在一个 LED 进入开路状态时提供旁通电流。LED 在遇到瞬变和电涌情况时,本身就具有相当脆弱的特性。还有很多情况下必须保持 LED 照明的高度可靠性,如头灯、灯塔、桥梁、飞机、跑道等。此类情况下,增加低成本的 NUD4700 即可全面保证整个 LED 串不会在一个 LED 发生故障时全部熄灭。NUD4700 还适用于需要电路连续性的其他负载。此器件适用于 1W LED(标称 350mA @ 3V)。

  • LEDs where Preventive Maintenance is Non Practical
  • LEDs with High Reliability Requirements
  • Crowbar Protection for Open Circuit Conditions
  • Overvoltage Protection for Sensitive Circuits
  • LED Headlights
  • A Simple Two Terminal Device
  • Automatically Resets Itself if the LED Heals Itself or is Replaced
  • ON-State Voltage Typically 1 V
  • OFF-State Current less than 250 µA
  • This is a Pb-Free Device

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NUD4700SNT1G

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Active

CAD Model

Pb

A

H

P

POWERMITE-2

1

260

REEL

3000

Y

-

5.5

1.0E-4

-

1.56

$0.2285

More Details

SZNUD4700SNT1G

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Active

CAD Model

Pb

A

H

P

POWERMITE-2

1

260

REEL

3000

N

-

5.5

1.0E-4

-

1.56

$0.1853

More Details

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