AC input optocoupler CT MICRO CT354 T1 with phototransistor output and 3750 VRMS isolation voltage

Key Attributes
Model Number: CT354(T1)
Product Custom Attributes
Rise Time:
6us@2mA,100Ω
Fall Time:
8us@2mA,100Ω
Output Current:
50mA
Vce Saturation(VCE(sat)):
100mV@1mA,20mA
Operating Temperature:
-55℃~+110℃
Load Voltage:
80V
Reverse Voltage:
-
Load Type:
Phototransistor
Input Type:
AC,DC
Isolation Voltage(Vrms):
3.75kV
Number Of Channels:
1
Mfr. Part #:
CT354(T1)
Package:
SOP-4-2.54mm
Product Description

Product Overview

The CT354 is an AC input optocoupler featuring a phototransistor optically coupled to two gallium arsenide infrared-emitting diodes, housed in a 4-pin Mini-Flat package. It offers high isolation of 3750 VRMS and operates within a temperature range of -55 C to 110 C. This series is designed for applications such as switch mode power supplies, computer peripheral interfaces, and microprocessor system interfaces. It is compliant with various regulatory approvals including UL, VDE, CQC, and IEC standards.

Product Attributes

  • Brand: CT Micro
  • Package Type: 4-Pin Mini-Flat
  • Input Type: AC Input
  • Output Type: Phototransistor
  • Certifications: UL - UL1577 (E364000), VDE - EN60747-5-5(VDE0884-5), CQC GB4943.1, GB8898, IEC60065, IEC60950

Technical Specifications

Parameter Rating Units Notes
Isolation Voltage (VISO) 3750 VRMS  
Operating Temperature (TOPR) -55 ~ +110 C  
Storage Temperature (TSTG) -55 ~ +150 C  
Soldering Temperature (TSOL) 260 C  
Total Power Dissipation (PTOT) 200 mW  
Emitter Forward Current (IF) 50 mA  
Emitter Peak Transient Current (IF(TRANS)) 1 A 1s P.W, 300pps
Emitter Power Dissipation (PD) 70 mW  
Detector Power Dissipation (PC) 150 mW  
Collector-Emitter Breakdown Voltage (BVCEO) 80 V  
Emitter-Collector Breakdown Voltage (BVECO) 7 V  
Collector Current (IC) 50 mA  
Forward Voltage (VF) 1.24 (Typ) V IF=10mA
Input Capacitance (CIN) 45 (Typ) pF f=1kHz
Collector-Emitter Dark Current (ICEO) 100 (Max) nA VCE=20V, IF=0mA
Current Transfer Ratio (CTR) CT354 20 - 300 % IF= 1mA, VCE= 5V
Current Transfer Ratio (CTR) CT354A 50 - 150 % IF= 1mA, VCE= 5V
Collector-Emitter Saturation Voltage (VCE(SAT)) 0.1 (Typ) V IF= 20mA, IC= 1mA
Isolation Resistance (RIO) 5x1010 (Min) VIO= 500VDC
Isolation Capacitance (CIO) 0.6 (Typ) pF f=1MHz
Rise Time (tr) 6 (Typ) s IC= 2mA, VCE= 2V, RL= 100
Fall Time (tf) 8 (Typ) s IC= 2mA, VCE= 2V, RL= 100

2410121512_CT-MICRO-CT354-T1_C453462.pdf

Contact Our Experts And Get A Free Consultation!

Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.