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CPC1978J
i4-PACTM Power Relay
Blocking Voltage Load Current On-resistance RJC
CPC1978J 800 2.5 2.3 0.35
Units VP Arms C/W
Features * Compact i4-PACTM Power Package * Low Thermal Resistance * Heat Sink Option * Handle Load Currents Up to 2.5Arms (free air) * High Reliability * No Moving Parts * Low Drive Power Requirements (TTL/CMOS Compatible) * Arc-Free With No Snubbing Circuits * 2500Vrms Input/Output Isolation * No EMI/RFI Generation * Machine Insertable, Wave Solderable
Description Clare and IXYS have combined to bring OptoMOS technology, reliability and compact size to a new family of high power solid state relays. The CPC1978J, a 1-Form-A solid state relay, is part of this new family. The CPC1978J employs optically coupled MOSFET technology to provide 2500Vrms of input to output isolation. The efficient MOSFET switches and photovoltaic die use Clare's patented OptoMOS architecture while the input is controlled by a highly efficient GaAlAs infrared LED. The combination of low on resistance and high load current handling capability makes the relay suitable for a variety of high performance switching applications. The unique i4-PACTM package pioneered by IXYS allows solid state relays to achieve the highest current and power ratings. This package features an IXYS unique process where the silicon chips are soft soldered onto the Direct Copper bond (DCB) substrate instead of the usual copper leadframe. The DCB ceramic, the same substrate used in high power modules, not only provides 2500Vrms isolation, but also very low thermal resistance.
Applications * Industrial Controls * Motor Control * Robotics * Medical Equipment--Patient/Equipment Isolation * Instrumentation * Multiplexers * Data Acquisition * Electronic Switching * I/O Subsystems * Meters (Watt-Hour, Water, Gas) * Transportation Equipment * Aerospace/Defense
Ordering Information
Part # CPC1978J Description i4-PACTM 25 per tube
Pin Configuration
CPC1978J Pinout
Switching Characteristics of Normally Open (Form A) Devices
10ms
CONTROL
+ 90% LOAD 10% + 10%+
TON
TOFF
DS-CPC1978J-R02.3
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1
CPC1978J
Absolute Maximum Ratings (@ 25 C)
Parameter Blocking Voltage Reverse Input Voltage Input Control Current Peak (10ms) Input Power Dissipation Isolation Voltage Input to Output Operational Temperature Storage Temperature Soldering Temperature (10 Seconds Max.) Ratings 800 5 100 1 150 2500 -40 to +85 -40 to +125 +260 Units VP V mA A mW VRMS C C C 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.
Electrical Characteristics
Parameter Output Characteristics @ 25C Load Current Peak Load Current On-Resistance 1 Off-State Leakage Current Switching Speeds Turn-On Turn-Off Input Characteristics @ 25C Input Control Current 2 Input Dropout Current Input Voltage Drop Reverse Input Current Common Characteristics @ 25C Capacitance Input to Output Thermal Characteristics Thermal Resistance, Junction to case
1 2
Conditions Continuous, free air T 10ms IF=10mA, IL=1.0A VL=800V IF=20mA, VL=10V IF=20mA, VL=10V IL=1.0A IF=5mA VR=5V -
Symbol IL IL RON ILEAK TON TOFF IF IF VF IR CI/O RJC
Min 10 0.6 0.9 -
Typ 1.7 8 0.15 1.2 1 0.35
Max 2.5 10 2.3 1 20 5 1.4 10 -
Units Arms Arms A ms ms mA mA V A pF C/W
Measurement taken within 1 second of on time. For applications requiring high temperature operation (greater than 60oC) an LED drive current of 20mA is recommended.
2
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R02.3
CPC1978J
PERFORMANCE DATA*
35 30
35 30
Device Count (N)
35 30
Device Count (N)
Device Count (N)
25 20 15 10 5 0 1.17 1.19 1.21 1.23 1.25 LED Forward Voltage (V)
25 20 15 10 5 0 1.65 1.66 1.67 1.68 1.69 1.70
25 20 15 10 5 0 825 830 835 840 845 850 Blocking Voltage (VP)
CPC1978J Typical Load Current vs. Temperature
3500
25 20
Load Current (mArms)
25 20 15 10 5 0 0.10 0.12 0.14 0.16 0.18 0.20 Turn-Off (ms)
3000 2500 2000 1500 1000 500 0 -40 -20 0 20 40 60 80 100 120
Device Count (N)
Device Count (N)
IF = 20mA
15 10 5 0 6.5 7.0 7.5 8.0 8.5 9.0 Turn-On (ms)
IF = 10mA
CPC1978J Typical Leakage vs. Temperature at Maximum Rated Blocking Voltage (Measured across Pins 1 & 2)
0.014
CPC1978J Typical Blocking Voltage vs. Temperature
855
Blocking Voltage (VP)
14.0 12.0
CPC1978J Typical Turn-On vs. Temperature (Load Current = 1ADC)
IF = 10mA
0.012 0.010 0.008 0.006 0.004 0.002 0 -40 -20 0 20 40 60 80 100
850
840 835 830 825 820 815 -40 -20 0 20 40 60 80 100
Turn-On (ms)
845
10.0 8.0 6.0 4.0 2.0 0 -40 -20 0 20 40 60 80 100
0.16
LED Forward Voltage Drop (V)
0.18
CPC1978J Typical Turn-Off vs. Temperature (Load Current = 1ADC)
1.8 1.6 1.4 1.2 1.0 0.8
CPC1978J Typical LED Forward Voltage Drop vs. Temperature
Turn-Off (ms)
0.12 0.10 0.08 0.06 0.04 -40 -20 0 20 40 60 80 100 IF = 10mA
IF = 50mA IF = 20mA IF = 10mA
Turn-On (ms)
0.14
18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 1.0 0
CPC1978J Typical Turn-On vs. LED Forward Current (Load Current = 1ADC)
-40
-20
0
20
40
60
80
100
120
0
5
10
15
20
25
30
35
40
45
50
LED Forward Current (mA)
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application department.
R02.3
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3
CPC1978J
PERFORMANCE DATA*
0.18 0.17 0.16
Turn-Off (ms)
CPC1978J Typical Turn-Off vs. LED Forward Current (Load Current = 1ADC)
CPC1978J Typical On-Resistance vs. Temperature (Load Current = max rated)
6.0 5.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 -40 -20 0 20 40 60 80 100
LED Current (mA)
5.0
0.15 0.14 0.13 0.12 0.11 0.10 0 0 5 10 15 20 25 30 35 40 45 50
20.0 18.0 16.0 14.0 12.0 10.0 8.0 6.0 4.0 2.0 0.0 -40
CPC1978J Typical IF for Switch Operation vs. Temperature (Load Current = 1ADC)
-20
0
20
40
60
80
100
LED Forward Current (mA)
CPC1978J Energy Rating Curve (Free air, no heat sink)
16
Load Current (A)
14 12 10 8 6 4 2
-6.0
-4.0
-2.0
0
2.0
4.0
6.0
0 1ms 10ms 100ms Time 1s 10s 100s
Load Voltage (V)
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application department.
4
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R02.3
MECHANICAL DIMENSIONS
0.190 MIN - 0.205 MAX (4.83 MIN - 5.21 MAX) 0.046 MIN - 0.085 MAX (1.17 MIN - 2.16 MAX) 0.770 MIN - 0.799 MAX (19.56 MIN - 20.29 MAX) 0.210 MIN - 0.244 MAX (5.33 MIN - 6.20 MAX) 0.065 MIN - 0.080 MAX (1.65 MIN - 2.03 MAX) 0.660 MIN - 0.690 MAX (16.76 MIN - 17.53 MAX)
ISOLATED HEAT SINK 0.100 MIN - 0.180 MAX (2.54 MIN - 4.57 MAX) 0.819 MIN - 0.840 MAX (20.80 MIN - 21.34 MAX) 0.590 MIN - 0.620 MAX (14.99 MIN - 15.75 MAX)
0.083 MIN - 0.102 MAX (2.11 MIN - 2.59 MAX)
0.780 MIN - 0.840 MAX (19.81 MIN - 21.34 MAX)
0.300 BSC (7.62 BSC)
0.150 BSC (3.81 BSC)
0.020 MIN - 0.029 MAX (0.51 MIN - 0.74 MAX)
0.058 MIN - 0.068 MAX (1.47 MIN - 1.73 MAX) 0.045 MIN - 0.055 MAX (1.14 MIN - 1.40 MAX)
0.102 MIN - 0.118 MAX (2.59 MIN - 3.00 MAX)
NOTE: Bottom heatsink meets 2500Vrms isolation to the other pins.
Dimensions inches (mm)
For additional information please visit our website at: www.clare.com
Clare, Inc. makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to make changes to specifications and product descriptions at any time without notice. Neither circuit patent licenses nor indemnity are expressed or implied. Except as set forth in Clare's Standard Terms and Conditions of Sale, Clare, Inc. assumes no liability whatsoever, and disclaims any express or implied warranty, relating to its products including, but not limited to, the implied warranty of merchantability, fitness for a particular purpose, or infringement of any intellectual property right. The products described in this document are not designed, intended, authorized or warranted for use as components in systems intended for surgical implant into the body, or in other applications intended to support or sustain life, or where malfunction of Clare's product may result in direct physical harm, injury, or death to a person or severe property or environmental damage. Clare, Inc. reserves the right to discontinue or make changes to its products at any time without notice. Specification: DS-CPC1978J-R02.3 (c)Copyright 2004, Clare, Inc. OptoMOS(R) is a registered trademark of Clare, Inc. i4-PACTM is a registered trademark of Clare, Inc. All rights reserved. Printed in USA. 4/13/04

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