PLA171
800V, 100mA Single-Pole,
Normally Open Relay
INTEGRATED CIRCUITS DIVISION
Parameter
Load Voltage
Load Current
On-Resistance (max)
Input Control Current
Rating
800
100
50
2
Units
VP
mArms / mADC
mA
Features
•
•
•
•
•
•
•
Description
Specially designed to provide 7mm of separation
between the two output pins, IXYS Integrated Circuits'
PLA171 is a single-pole, normally open (1-Form-A)
Solid State Relay that uses optically coupled
MOSFET technology to provide an enhanced input to
output isolation of 5000Vrms.
Its optically coupled outputs, which use the patented
OptoMOS architecture, are controlled by a highly
efficient infrared LED.
7mm Separation of Output Pins
800VP Blocking Voltage
5000Vrms Input/Output Isolation
Low Drive Power Requirements
No EMI/RFI Generation
Small Surface Mount Package
Flammability Rating UL 94 V-0
The PLA171 is designed to replace, and offers
superior reliability over, electromechanical relays. This
device provides bounce-free switching in a compact
surface-mount package.
Approvals
Applications
•
•
•
•
•
•
•
•
•
Instrumentation
Multiplexers
Data Acquisition
Electronic Switching
I/O Subsystems
Meters (Watt-Hour, Water, Gas)
Medical Equipment—Patient/Equipment Isolation
Automotive High-Voltage Circuitry
Industrial Controls
• UL Certified Component: File E76270
• TUV EN 62368-1: Certificate # B 082667 0008
Ordering Information
Part #
PLA171P
PLA171PTR
Description
6-Pin (8-Pin Body) Flatpack (50/Tube)
6-Pin (8-Pin Body) Flatpack, Tape & Reel (1000/Reel)
Pin Configuration
NC
+ Control
– Control
NC
8
1
Load
2
3
5
4
Load
Switching Characteristics of
Normally Open Devices
Form-A
IF
90%
10%
ILOAD
ton
DS-PLA171-R05
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INTEGRATED CIRCUITS DIVISION
PLA171
Absolute Maximum Ratings @ 25ºC
Parameter
Blocking Voltage
Reverse Input Voltage
Input Control Current
Peak (10ms)
Input Power Dissipation 1
Total Power Dissipation 2
ESD, Human Body Model
Isolation Voltage, Input to Output (60 Seconds)
Operational Temperature, Ambient
Storage Temperature
1
2
Absolute Maximum Ratings are stress ratings. Stresses in
excess of these ratings can cause permanent damage to the
device. Functional operation of the device at conditions beyond
those indicated in the operational sections of this data sheet is
not implied.
Ratings Units
800
VP
5
V
50
mA
1
A
150
mW
800
mW
8
kV
5000
Vrms
-40 to +85
°C
-40 to +125
°C
Typical values are characteristic of the device at +25°C, and
are the result of engineering evaluations. They are provided for
information purposes only, and are not part of the manufacturing
testing requirements.
Derate linearly 1.33 mW / ºC
Derate output power linearly 6.67 mW / ºC
Electrical Characteristics @ 25ºC
Parameter
Output Characteristics
Blocking Voltage
Load Current 1
Continuous
Peak
On-Resistance 2
Off-State Leakage Current
Switching Speeds
Turn-On
Turn-Off
Output Capacitance
Input Characteristics
Input Control Current to Activate 3
Input Control Current to Deactivate
Input Voltage Drop
Reverse Input Current
Common Characteristics
Input to Output Capacitance
1
2
3
2
25oC
Conditions
Symbol
Min
Typ
Max
Units
IL=1A
VDRM
800
-
-
VP
IF=2mA
IF=2mA , t=10ms
IF=2mA, IL= 100mA
IF=5mA, IL=1mA
IF=0mA, VL=800V
IL
ILPK
40
70
-
100
±350
50
85
1
mArms / mADC
mAP
ILEAK
-
IF=0mA, VL=50V, f=1MHz
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-
0.42
0.15
11
5
5
-
IL=100mA
IF=5mA
VR=5V
IF
IF
VF
IR
0.1
0.9
-
0.39
1.36
-
2
1.5
10
mA
mA
V
µA
VIO=0V, f=1MHz
CIO
-
3
-
pF
RON
IF=5mA, VL=10V
µA
ms
pF
@85oC.
Load derates linearly from 100mA @
to 55mA
Measurement taken within one second of on-time.
For applications requiring high temperature operation (greater than 60oC) a minimum LED drive current of 5mA is recommended.
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INTEGRATED CIRCUITS DIVISION
PLA171
PERFORMANCE DATA*
Typical LED Forward Voltage Drop
(N=50, IF=5mA)
Device Count (N)
Device Count (N)
25
20
15
10
Typical Turn-On Time
(N=50, IF=5mA, IL=100mA)
25
5
20
15
10
5
0
0
1.364
15
10
5
0
0.36
1.366
1.368
1.370
1.372
LED Forward Voltage Drop (V)
Typical IF for Switch Operation
(N=50, IL=100mA)
15
Typical Turn-Off Time
(N=50, IF=5mA, IL=100mA)
20
Device Count (N)
30
0.38
0.40 0.42 0.44 0.46
Turn-On Time (ms)
0.48
0.135 0.140 0.145 0.150 0.155 0.160 0.165
Turn-Off Time (ms)
Typical Blocking Voltage Distribution
(N=50)
Typical On-Resistance Distribution
(N=50, IF=2mA, IL=100mA)
35
15
10
5
Device Count (N)
Device Count (N)
Device Count (N)
30
25
20
15
10
10
5
5
0
0
0.33
0.35
0.37 0.39 0.41
LED Current (mA)
0.43
0
40.0
0.45
IF=10mA
IF=5mA
IF=2mA
1.5
1.4
1.3
1.2
42.5
956
0.5
0.4
0.3
0
25
50
Temperature (ºC)
75
100
0
LED Current to Operate
vs. Temperature
(IL=55mA)
0.50
0.45
0.40
10
0.35
-20
0
20
40
60
Temperature (ºC)
0.152
0.150
20
30
LED Current (mA)
40
50
0
10
80
100
0.20
0.8
0.18
0.7
IF=2mA
0.6
0.5
0.3
-40
IF=5mA
-20
0
20
40
60
Temperature (ºC)
20
30
LED Current (mA)
40
50
Typical Turn-Off Time
vs. Temperature
0.9
0.4
-40
0.154
Typical Turn-On Time
vs. Temperature
Turn-On Time (ms)
0.55
0.156
Turn-Off Time (ms)
-25
1004
0.148
0.1
1.0
972 980 988 996
Blocking Voltage (VP)
0.158
0.6
0.2
1.1
964
Typical Turn-Off Time
vs. LED Forward Current
(IL=55mA)
0.160
Turn-Off Time (ms)
1.6
-50
LED Current (mA)
Turn-On Time (ms)
LED Forward Voltage Drop (V)
0.7
1.7
41.0
41.5
42.0
On-Resistance (:)
Typical Turn-On Time
vs. LED Forward Current
(IL=55mA)
Typical LED Forward Voltage Drop
vs. Temperature
1.8
40.5
80
100
IF=2mA
0.16
0.14
IF=5mA
0.12
0.10
-40
-20
0
20
40
60
Temperature (ºC)
80
100
*Unless otherwise noted, data presented in these graphs is typical of device operation at 25ºC.
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INTEGRATED CIRCUITS DIVISION
PLA171
PERFORMANCE DATA*
Typical On-Resistance
vs. Temperature
(IF=5mA)
70
Typical Load Current
vs. Load Voltage
(IF=2mA)
100
110
50
40
IL=55mA
30
50
0
-50
-100
-20
0
20
40
60
Temperature (ºC)
80
80
1020
70
Leakage Current (nA)
Blocking Voltage (VP)
Typical Blocking Voltage
vs. Temperature
1040
1000
980
960
940
920
900
-40
-20
0
20
40
60
Temperature (ºC)
80
100
100
90
80
70
60
50
-6
100
-4
-2
0
2
Voltage (V)
4
6
Typical Leakage Current
vs. Temperature
(VL=800V)
40
30
20
0
20
40
60
Temperature (ºC)
80
0
20
40
60
Temperature (ºC)
80
100
10s
100s
Energy Rating Curve
50
-20
-20
1.0
60
10
-40
-40
Load Current (A)
20
-40
Load Current (mA)
Load Current (mA)
On-Resistance (:)
IL=30mA
60
Maximum Load Current
vs. Temperature
(IF=5mA)
100
0.8
0.6
0.4
0.2
0.0
10Ps 100Ps 1ms 10ms 100ms
Time
1s
*Unless otherwise noted, data presented in these graphs is typical of device operation at 25ºC.
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INTEGRATED CIRCUITS DIVISION
PLA171
Manufacturing Information
Moisture Sensitivity
All plastic encapsulated semiconductor packages are susceptible to moisture ingression. IXYS Integrated
Circuits classifies its plastic encapsulated devices for moisture sensitivity according to the latest version of
the joint industry standard, IPC/JEDEC J-STD-020, in force at the time of product evaluation. We test all of
our products to the maximum conditions set forth in the standard, and guarantee proper operation of our devices
when handled according to the limitations and information in that standard as well as to any limitations set forth in the
information or standards referenced below.
Failure to adhere to the warnings or limitations as established by the listed specifications could result in reduced product
performance, reduction of operable life, and/or reduction of overall reliability.
This product carries a Moisture Sensitivity Level (MSL) classification as shown below, and should be handled
according to the requirements of the latest version of the joint industry standard IPC/JEDEC J-STD-033.
Device
Moisture Sensitivity Level (MSL) Classification
PLA171P
MSL 1
ESD Sensitivity
This product is ESD Sensitive, and should be handled according to the industry standard JESD-625.
Soldering Profile
Provided in the table below is the IPC/JEDEC J-STD-020 Classification Temperature (TC) and the maximum total dwell
time (tP) in all reflow processes that the body temperature of these surface mount devices may be (TC - 5)°C or greater.
The device’s body temperature must not exceed the Classification Temperature at any time during reflow soldering
processes.
Device
Classification Temperature (Tc)
Dwell Time (tP)
Max Reflow Cycles
PLA171P
260ºC
30 seconds
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Board Wash
IXYS Integrated Circuits recommends the use of no-clean flux formulations. Board washing to reduce or remove flux
residue following the solder reflow process is acceptable provided proper precautions are taken to prevent damage to
the device. These precautions include but are not limited to: using a low pressure wash and providing a follow up bake
cycle sufficient to remove any moisture trapped within the device due to the washing process. Due to the variability
of the wash parameters used to clean the board, determination of the bake temperature and duration necessary
to remove the moisture trapped within the package is the responsibility of the user (assembler). Cleaning or drying
methods that employ ultrasonic energy may damage the device and should not be used. Additionally, the device must
not be exposed to halide flux or solvents.
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INTEGRATED CIRCUITS DIVISION
PLA171
Mechanical Dimensions
PLA171P
Recommended PCB Land Pattern
2.286 MAX
(0.090) MAX
See Note 3
7.620 TYP
(0.300) TYP
6.350 ± 0.127
(0.250 ± 0.005)
9.398 ± 0.127
(0.370 ± 0.005)
0.051±0.051
(0.002±0.002)
7.62
(0.30)
7.620 ± 0.254
(0.300 ± 0.010)
8.70
(0.3425)
Pin 1
0.203 ± 0.025
(0.008 ± 0.001)
0.457 ± 0.076
(0.018 ± 0.003)
2.540 ± 0.127
(0.100 ± 0.005)
0.635 ± 0.127
(0.025 ± 0.005)
9.652 ± 0.381
(0.380 ± 0.015)
2.159 ± 0.025
(0.085 ± 0.001)
0.864 ± 0.102
(0.034 ± 0.004)
1.55
(0.0610)
Notes:
1. Coplanarity = 0.102mm (0.004”) MAX
2. Leadframe thickness does not include solder
plating (1000 microinches MAX)
3. Sum of package height, standoff, and coplanarity
shall not exceed 2.286mm (0.090”)
4. Controlling dimension: Inches
2.54
(0.10)
0.65
(0.0255)
Dimensions
mm
(inches)
PLA171PTR Tape & Reel
2.00
(0.079)
330.2 DIA.
(13.00 DIA.)
Top Cover
Tape Thickness
0.102 MAX.
(0.004 MAX.)
7.50
(0.295)
Embossment
W = 16.00
(0.63)
Bo = 10.30
(0.406)
K0 = 2.70
(0.106)
K1 = 2.00
(0.079)
Embossed Carrier
4.00
(0.157)
Ao = 10.30
(0.406)
P1 = 12.00
(0.472)
User Direction of Feed
Dimensions
mm
(inches)
NOTES:
1. All dimensions carry tolerances of EIA Standard 481-2
2. The tape complies with all “Notes” for constant dimensions listed on page 5 of EIA-481-2
3. Controlling dimension: mm
For additional information please visit our website at: https://www.ixysic.com
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at https://www.littelfuse.com/disclaimer-electronics.
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Specification: DS-PLA171-R05
©Copyright 2021, Littelfuse, Inc.
OptoMOS® is a registered trademark of IXYS Integrated Circuits
All rights reserved. Printed in USA.
11/5/2021