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CotoMOS® CTA17/CSA17
e CTA17 and CSA17 feature current switching capability to 120mA with a low on
resistance of 30Ω Maximum. Designed for Security, Measurement and Instrumenta-
tion applications the CotoMOS® relay is capable of handling 350V load conditions.
If your requirements are dierent please contact your Coto Applications Engineer for
assistance through www.cotorelay.com.
CTA17/CSA17 Features
u
Contact Form: 1A
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Load Voltage: 350V Minimum
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Operation LED Current: 3.0mA Maximum
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Load Current: 120mA Maximum
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On-Resistance: 30Ω Maximum
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Low O-State Leakage Current: 1μA Maximum
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I/O Breakdown Voltage: 3750Vrms Minimum
DIMENSIONS
in Millimeters
CTA17/CSA17
CSA17CTA17
TERMINAL IDENTIFICATION
8765
1234
1: +LED - MOS Relay
2: -LED - MOS Relay
3: Collector - Phototransistor +/-
4: Emitter - Phototransistor -/+
5: LED - Phototransistor +/-
6: LED - Phototransistor -/+
7: Load - MOS Relay Output
8: Load - MOS Relay Output
0.020(0.5)
0.100(2.54)
0.300(7.62)
0.020(0.5)
0.162(4.1)
.118(3.0)
0.310(7.87)Max.
0.376(9.54)Max.
0.010(0.25)
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
IDENTIFIES PIN #1
0.134(3.4)
0.154(3.9)Max
.
0.004(0.1)
0.051(1.3)
0.010(0.25)
0.406(10.3)Max.
0.047(1.2)
0.252(6.4)
0.398(10.1)Max.
0.020(0.5)
0.100(2.54)
0.300(7.62)
IDENTIFIES PIN #1
COTO TECHNOLOGY, INC.For most recent data visit www.cotorelay.com
CTA17/CSA17 MAXIMUM RATINGS
Ambient Temperature
: 25ºC
Parameters Symbol Units Value
INPUT SPECIFICATIONS
Continuous LED Current IFmA 50mA
Peak LED Current IFP mA 1A
LED Reverse Voltage VRV5V
Input Power Dissipation Pin mW 150mW
OUTPUT SPECIFICATIONS
Load Voltage VLV 350V (AC peak or DC)
Load Current ILA120mA
Peak Load Current IPeak A350mA
Output Power Dissipation POut mW 450mW
RELAY SPECIFICATIONS
Total Power Dissipation PTmW 600mW
I/O Breakdown Voltage VI/O V3750Vrms
CTA17/CSA17 RELAY ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
Input Pin
(1,2)
LED Forward Voltage VFIF=10mA V0.9 1.2 1.4
Reverse Current IRVR=5V uA 10
Operation LED Current IF On mA 0.7 3.0
Recovery LED Voltage VF Off V0.5 1.1
Output Pin
(7,8)
Load Voltage (Peak) VLV350
Load Current (Continuous) ILmA 120
Peak Load Current IPeak mA 350
On-Resistance ROn W19 30
O-State Leakage Current ILeak VL=350V mA1.0
TRANSMISSION
Turn-On Time TOn IF=5mA, VL=20V ms 0.3 2.5
Turn-O Time TO ms 0.04 1.0
COUPLED
Output Capacitance COut f=1MHz pF 115
CTA17/CSA17 DETECTOR ELECTRICAL SPECIFICATIONS (Ambient Temperature: 25ºC)
Parameters Symbol Test Conditions Units Min Typ Max
Input Pin (5,6) LED Forward Voltage VFIF=+/-10mA V0.9 1.2 1.5
Output Pin
(3,4)
C-E Breakdown Voltage Vceo Ic=0.1mA V35
E-C Breakdown Voltage Vceo Ie=0.1mA V 5
Collector Dark Current Iceo Vce=5V, IF=0mA nA 500
Collector Saturation
Voltage Vce(sat) IF=±16mA, Ic=2mA V0.5
Current Transfer Ratio CTR IF=±6mA, Vce=0.5V %33
Environmental Ratings:
Operating Temp: -40°C to +85°C; Storage Temp: -40ºC to +120ºC.
All electrical parameters measured at 25°C unless otherwise specied.
