CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Features Description These series of general purpose optocoupler • High isolation 3750 VRMS • Multiple CTR selection available • DC input with transistor output • Creepage distance ≥5mm • Operating temperature range - 55 °C to 110 °C • Green Package Applications • Regulatory Approvals • DC-DC Converters consists of a photo transistor optically coupled to a gallium arsenide Infrared-emitting diode in a 4-lead Mini-Flat package. UL - UL1577 (E364000) • Programmable controllers VDE - EN60747-5-5(VDE0884-5) • Telecommunication equipment CQC – GB4943.1, GB8898 • Hybrid substrates that require high density IEC60065, IEC60950 mounting Package Outline CT Micro Proprietary & Confidential Schematic Page 1 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Absolute Maximum Rating at 25oC Symbol Parameters Ratings Units 3750 VRMS VISO Isolation voltage TOPR Operating temperature -55 ~ +110 oC TSTG Storage temperature -55 ~ +150 oC TSOL Soldering temperature 260 oC PTOT Total power dissipation 200 mW Forward current 50 mA 1 A Notes Emitter IF IF(TRANS) Peak transient current (≤1µs P.W,300pps) VR Reverse voltage 6 V PD Power dissipation 70 mW Power dissipation 150 mW BVCEO Collector-Emitter Breakdown Voltage 80 V BVECO Emitter-Collector Breakdown Voltage 6 V Collector Current 50 mA Detector PC IC CT Micro Proprietary & Confidential Page 2 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Electrical Characteristics T A = 25°C (unless otherwise specified) Emitter Characteristics Symbol Parameters Test Conditions Min Typ Max Units VF Forward voltage IF=10mA - 1.24 1.4 V IR Reverse Current VR = 6V - - 5 µA Input Capacitance f= 1MHz - 10 250 pF Min Typ Max Units CIN Notes Detector Characteristics Symbol Parameters Test Conditions BVCEO Collector-Emitter Breakdown IC= 100µA 80 - - V BVECO Emitter-Collector Breakdown IE= 1mA 7 - - V Collector-Emitter Dark Current VCE= 20V, IF=0mA - - 100 nA Min Typ Max Units CT357 50 - 600 CT357A 80 - 160 130 - 260 CT357C 200 - 400 CT357D 300 - 600 - 0.06 0.2 V 5x1010 - - Ω - 0.5 1 pF Min Typ Max Units - 6 18 - 8 18 ICEO Notes Transfer Characteristics Symbol CTR Parameters Current Transfer Ratio Test Conditions CT357B IF= 5mA, VCE= 5V Notes % Collector-Emitter Saturation VCE(SAT) IF= 20mA, IC= 1mA Voltage RIO Isolation Resistance VIO= 500VDC CIO Isolation Capacitance f= 1MHz Switching Characteristics Symbol Parameters tr Rise Time tf Fall Time Test Conditions IC= 2mA, VCE= 2V, RL= 100 CT Micro Proprietary & Confidential Page 3 Ω Notes µs Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Typical Characteristic Curves CT Micro Proprietary & Confidential Page 4 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Typical Characteristic Curves CT Micro Proprietary & Confidential Page 5 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Package Dimension Dimensions in mm unless otherwise stated Recommended Solder Mask Dimensions in mm unless otherwise stated CT Micro Proprietary & Confidential Page 6 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Marking Information CT 357R VYWWK Note: CT : Denotes “CT Micro” 357 R V : Product Number : CTR Rank : VDE Option Y WW K : Fiscal Year : Work Week : Manufacturing Code Ordering Information CT357X(V)(Z) X = Part No. (X=A,B,C,D, None) V = VDE option (V or None) Z = Tape and reel option (T1 or T2) Option Description Quantity T1 Surface Mount Lead Forming – With Option 1 Taping 3000 Units/Reel T2 Surface Mount Lead Forming – With Option 2 Taping 3000 Units/Reel CT Micro Proprietary & Confidential Page 7 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Carrier Tape Specifications Dimensions in mm unless otherwise stated Option T1 Option T2 CT Micro Proprietary & Confidential Page 8 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler Reflow Profile Profile Feature Pb-Free Assembly Profile Temperature Min. (Tsmin) 150°C Temperature Max. (Tsmax) 200°C Time (ts) from (Tsmin to Tsmax) 60-120 seconds Ramp-up Rate (tL to tP) 3°C/second max. Liquidous Temperature (TL) 217°C Time (tL) Maintained Above (TL) 60 – 150 seconds Peak Body Package Temperature 260°C +0°C / -5°C Time (tP) within 5°C of 260°C 30 seconds Ramp-down Rate (TP to TL) 6°C/second max Time 25°C to Peak Temperature 8 minutes max. CT Micro Proprietary & Confidential Page 9 Rev 3 Feb, 2015 CT357 Series DC Input 4-Pin Mini-Flat Phototransistor Optocoupler DISCLAIMER CT MICRO RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. CT MICRO DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ______________________________________________________________________________________ DISCOLORATION MIGHT OCCUR ON THE PACKAGE SURFACE AFTER SOLDERING, REFLOW OR LONG TERM USE. THIS DOES NOT IMPACT THE PRODUCT PERFORMANCE NOR THE PRODUCT RELIABILITY. CT MICRO ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL OF CT MICRO INTERNATIONAL CORPORATION. 1. Life support devices or systems are devices or 2. A critical component is any component of a life systems which, (a) are intended for surgical support device or system whose failure to perform implant into the body, or (b) support or sustain life, can be reasonably expected to cause the failure of or (c) whose failure to perform when properly used the life support device or system, or to affect its in accordance with instruction for use provided in safety or effectiveness. the labelling, can be reasonably expected to result in significant injury to the user. CT Micro Proprietary & Confidential Page 10 Rev 3 Feb, 2015