Littelfuse PLEDxSW User Manual
PLED Open LED Protectors
PLEDxSW Series
PLEDxSW Series - White Body
Agency Approvals
Agency Agency File Number
E133083
Schematic Symbol
RoHS
Description
PLEDxSW Series open LED protectors provide a switching
electronic shunt path when an LED in an LED string fails as
an open circuit. This ensures that the remaining string of
LEDs will continue to function if a single LED does not.
PLEDxSW Series devices were designed to enable higher
reliability in indoor LED lighting applications such as
advertisement lighting and other applications. Additionally,
they are molded from white material to make them less
visible in the LED fixture and the white molding also reflects
more light to improve overall light engine efficiency.
Compatible with one, two and three watt LEDs that have
a nominal 3V forward characteristic, PLEDxSW Series
devices are available in SMB surface mount package. The
DO-214AA (SMB) low profile package is ideal for dense
board applications.
Features & Benefits
• Fast switching
• Automatically resets after
power cycle
Control
Circuit
• Low prole, small foot
print standard DO-214AA
package
Electrical Characteristics (All parameters are measured at T=25°C unless otherwise noted)
V
BR
breakdown
Part Number Marking
PLED6SW PL6 6 16 6
PLED9SW PL9 9 18 9
PLED13SW PL13 13 26 13
PLED18SW PL18 18 33 18
Volts Volts mAmps mAmps Amps Volts Volts
Min Max Min Min Max Max Max Max
V
DRM
breakdown
I
H
5 100 1.0 1. 2 250V/µs
I
S
IT@V
• Compatible with industrial
lighting environments
• Compatible with PWM
frequencies up to 30 kHz
• RoHS compliant and
halogen-free
T
VT @ IT = 1
Amp
Critical rate of
rise dV/dt
©2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
1
Revision: May 23, 2013
PLEDxSW Series
PLED Open LED Protectors
PLEDxSW Series
Thermal Considerations
Package Symbol Parameter Value Unit
T
DO-214AA in White
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 um
Solder Pad Dimensions: 2.0mm x 2.8mm (Recommended Size)
J
T
S
R
θ
JA
Operating Junction Temperature Range -40 to +150 °C
Storage Temperature Range -65 to +150 °C
1
2
Thermal Resistance: Junction to Ambient
DO-214AA: 90
DO-214AA: 40
°C/W
V-I Characteristics
+I
VBR vs. Junction Temperature
14
12
I
T
I
S
I
H
-V
V
V
DRM
T
+V
V
BR
– egnahC%
10
8
6
BR
4
2
0
reP fo tnecV
-4
25 ˚C
-6
-8
-40 -20
-I
0 20 40 60 80 100 120 140 160
Junction Temperature (TJ) – ˚C
Normalized DC Holding Current vs. Case Temperature LED Interference Test Circuit
2.0
1.8
C˚ 52 =)
2.0 Ω, 1/4 W
1.6
H
i
1.4
C
T(
1.2
H
i
1.0
fo oitaR
0.8
25 ˚C
+
-
0.6
110 kΩ, 1/4 W
V
bat
12 Vdc
PWM
Q2
2N2222
0.4
-40 -20
0 20 40 60 80 100 120 140 160
Case Temperature (TC) – ˚C
Q1
LED
Driver
ON/OFF
Switch
Control
Circuit
PLED
©2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
2
Revision: May 23, 2013
PLEDxSW Series
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