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PLED Open LED Protectors

Revision: November 12, 2013

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com for current information.

PLED Unidirectional Series

Description

PLED Unidirectional Series (PLEDxUx Series) open LED

protectors provide a switching electronic shunt path around

a single LED that fails as an open circuit. This ensures

the remaining string of LEDs will continue to function

even though a single LED in the string has failed open.

It also provides reverse battery or reverse power polarity

protection.

PLED Unidirectional Series devices were designed to

enable higher reliability in outdoor LED lighting applications

such as street lighting, outdoor signage, aircraft runway

lighting, roadside warning lights and other applications.

Compatible with one, two and three watt LEDs that have

a nominal 3V forward characteristic, PLED Unidirectional

Series devices are available in two surface mount packages,

the DO-214AA and the Quad Flat Pak No-lead (QFN). The

QFN’s low proﬁle, chip scale package (CSP) is ideal for

dense board applications.

Electrical Characteristics (All parameters are measured at T=25°C unless otherwise noted)

Part Number Marking

breakdown

DRM

breakdown

@ I

1 Amp

@ I

1 Amp

Critical rate of

rise dV/dt

Volts Volts mAmps mAmps Amps Volts Amps Volts Volts

Min Max Min Max Max Max Max Max Max Max

PLED6UQ12 PL6U

6 16 6

30 50 1. 0 1. 2 1. 0 1. 0 250V/µs

PLED6US PL6U

PLED9UQ12 PL9U

9 18 9

PLED9US PL9U

PLED13UQ12 PL13U

13 26 13

PLED13US PL13U

PLED18UQ12 PL18U

18 33 18

PLED18US PL18U

Features & Beneﬁts

• Fast switching

• Reverse Battery/Power

Protection

• Automatically resets after

power cycle

• Available in low prole,

small footprint QFN

and Standard DO214AA

packages

• Compatible with industrial

lighting environments

• Compatible with PWM

frequencies up to 10 kHz

• RoHS compliant and

halogen-free

Agency Approvals

Agency Agency File Number

E133083

Schematic Symbol

Control

Circuit

MT1

Cathode

(bar marking side)

PLED Unidirectional Series (PLEDxUx)

1 2 3 4 5 6

Resumo do Conteúdo

Página 1 - PLED Open LED Protectors

Página 2 - Case Temperature (T

Página 3

Página 4

Página 5

Página 6

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