PLED Open LED Protectors

Revision: 09/25/15

©2015 Littelfuse, Inc.

Specifications are subject to change without notice.

PLED Unidirectional Series

Package

Symbol

Parameter

Value

Unit

QFN 3x3

DO-214AA

T

J

Operating Junction Temperature Range

-40 to +150

°C

T

S

Storage Temperature Range

-65 to +150

°C

R

Thermal Resistance: Junction to Ambient

QFN:

°C/W

Thermal Considerations

+V

-V

+I

-I

V-I Characteristics

0.4

-40 -20

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

Case Temperature (T

25 ˚C

0 20 40 60 80 100 120 140 160

ON/OFF

Switch

PWM

LED

Driver

12 Vdc

+

-

Q2

2N2222

Q1

Unidiretional

PLED

Control

Circuit

MT

2

MT1

-8

-40 -20

-6

-4

0

2

4

6

8

10

12

14

25 ˚C

0

20

40 60 80 100 120 140 160

V

Normalized DC Holding Current vs. Case Temperature

LED Interference Test Circuit

Notes:

1) Standard FR-4 PCB with Copper Pads (Recommended Size)

2) Aluminum PCB

Thickness: 1.6mm

Grade: 1-2 W/mK Thermal Conductivity

Trace thickness: 2 oz

Insulation layer thickness: 215 µm

Solder Pad Dimensions:

2.0mm x 2.8mm (Recommended Size)

3) Aluminum PCB

Thickness: 1.6mm

Grade: 1-2 W/mK Thermal Conductivity

Trace thickness: 2 oz

Insulation layer thickness: 60 µm

Solder Pad Dimensions:

1.27mm x 2.54mm (Recommended Size)