Negotiable
The date of payment from buyers deliver within days
Guangdong
Long-term effective
2023-10-28 07:09
312
Company Profile
ShenZhen Royalighting Technology Co., LtdBy certification [File Integrity]
Contact:shouyoukj(Mr.)
Email:
Telephone:
Phone:
Area:Guangdong
Address:Guangdong
Website:http://www.royal-tr.com/ http://shouyoukj.wmbutton.com/
Â
Features
High isolation 3750 VRMS
CTR flexibility available see order
Â
Information
DC input with transistor output
Operating temperature range - 55 °C to 110 °C
REACH compliance
Halogen free
MSL class 1
Regulatory Approvals
UL - UL1577
VDE - EN60747-5-5(VDE0884-5)
CQC - GB4943.1, GB8898
CUL- CSA Component Acceptance
Service Notice No. 5A
Â
ABSOLUTE MAXIMUM RATINGS | ||||
PARAMETER | SYMBOL | VALUE | UNIT | NOTE |
INPUT | ||||
Forward Current | IF | 60 | mA | Â |
Peak Forward Current | IFP | 1 | A | 1 |
Reverse Voltage | VR | 6 | V | Â |
Input Power Dissipation | PI | 100 | mW | Â |
OUTPUT | ||||
Collector - Emitter Voltage | VCEO | 80 | V | Â |
Emitter - Collector Voltage | VECO | 6 | V | Â |
Collector Current | IC | 50 | mA | Â |
Output Power Dissipation | PO | 150 | mW | Â |
COMMON | ||||
Total Power Dissipation | Ptot | 200 | mW | Â |
Isolation Voltage | Viso | 3750 | Vrms | 2 |
Operating Temperature | Topr | -55~110 | °C |  |
Storage Temperature | Tstg | -55~125 | °C |  |
Soldering Temperature | Tsol | 260 | °C |  |
Â
ELECTRICAL OPTICAL CHARACTERISTICS at Ta=25°C | ||||||||
PARAMETER | SYMBOL | MIN | TYP. | MAX. | UNIT | TEST CONDITION | NOTE | |
INPUT | ||||||||
Forward Voltage | VF | - | 1.24 | 1.4 | V | IF=10mA | Â | |
Reverse Current | IR | - | - | 10 | μA | VR=6V |  | |
Input Capacitance | Cin | - | 10 | - | pF | V=0, f=1kHz | Â | |
OUTPUT | ||||||||
Collector Dark Current | ICEO | - | - | 100 | nA | VCE=20V, IF=0 | Â | |
Collector-Emitter Breakdown Voltage | BVCEO | 80 | - | - | V | IC=0. 1mA, IF=0 | Â | |
Emitter-Collector Breakdown Voltage | BVECO | 6 | - | - | V | IE=0. 1mA, IF=0 | Â | |
TRANSFER CHARACTERISTICS | ||||||||
Current Transfer Ratio | TD356 | CTR | 50 | - | 600 | % | IF=5mA, VCE=5V | Â |
TD356A | 80 | - | 160 | Â | ||||
TD356B | 130 | - | 260 | Â | ||||
TD356C | 200 | - | 400 | Â | ||||
TD356D | 300 | - | 600 | Â | ||||
TD356E | 100 | - | 200 | Â | ||||
Collector-Emitter Saturation Voltage | VCE(sat) | - | 0.06 | 0.2 | V | IF=20mA, IC=1mA | Â | |
Isolation Resistance | RISO | 10^12 | 10^14 | - | Ω | DC500V, 40 ~ 60% R.H. |  | |
Floating Capacitance | CIO | - | 0.4 | 1 | pF | V=0, f=1MHz | Â | |
Response Time (Rise) | tr | - | 3 | 18 | μs | VCE=2V, IC=2mA RL=100Ω | 3 | |
Response Time (Fall) | tf | - | 4 | 18 | μs | 3 | ||
Cut-off Frequency | fc | - | 80 | - | kHz | VCE=2V, IC=2mA RL=100Ω ,-3dB | 4 |
Â
Â
Applications
Switch mode power supplies
Programmable controllers
Household appliances
Office equipment
Â
Â
In terms of performance, it can replace Everlight EL357, Liteon LTV-356/357, Ctmicro CT357, Sharp PC356/357, Cosmo KPC357, Fairchild HMA2701, Renesas PS2711-1/2732-1, Toshiba TLP124/127.
The CTR is 600-7500%, widely used in switch mode power supplies, smart meters, industrial control, measuring instruments, office equipment (copiers), household appliances (air conditioning, fans, water heaters).
Â
Â
SOP 4 Transistor Optocoupler
Package Dimensions (Dimensions in mm unless otherwise stated)
Â
Recommended Solder Mask (Dimensions in mm unless otherwise stated)Â
Â
Â
Â
Â
Â
Â
Â
Â
1. The TD356 optocoupler for what field?
1. Industrial Control: 356 optical rotation plays a vital role in the field of industrial control. It can effectively isolate the power supply, prevent electrical noise disturbance, to ensure the stable operation of the control system.
2. Communication equipment: in communication equipment, 356 optical conversion is used to protect sensitive components from electromagnetic interference and improve communication quality.
3. Automotive Electronics: automotive electronics systems require high levels of stability and safety. 356 light can effectively suppress electromagnetic interference.
Â
2. Why optical couplers are so anti-jamming?
1, Electrical isolation
The optocoupler provides complete electrical isolation between the input and output sides of the circuit. Such isolation is essential for applications that are critical to safety and to the prevention of interference, such as medical and industrial equipment.
2, Immunity
Electronic circuits can be noisy places with various sources of interference. The optical coupler acts as a shield, preventing noise from spreading between circuits and ensuring Signal integrity
3, Voltage compatibility
The optocoupler can be adapted to different voltage levels on the input and output sides. This versatility makes them suitable for a wide range of applications.
4, Current isolation
The current isolation achieved by the optocoupler prevents DC from occurring between the circuits. This is essential to prevent earthing loops and to maintain circuit integrity.
In the field of electronics, precision, reliability and security are not to be ignored, optical coupler as an anti-interference artifact and shine. These unobtrusive components provide electrical isolation, noise resistance, and voltage compatibility, making them indispensable for applications ranging from medical devices to industrial automation. When choosing a optocoupler, consider factors such as speed, isolation voltage, and type of package to ensure seamless integration into your circuit design.
Â
3. What are the optical coupling and cooling measures availabl?
Choose the optical coupling with low thermal resistance: choosing the optical coupling with low thermal resistance can reduce the temperature increase of the optical coupling in the working process. Thermal resistance is a parameter representing heat dissipation performance and is usually expressed by θ JA or θ JC.θ JA represents the thermal resistance of junction to ambient, and θ JC represents that of junction to case. The lower the thermal resistance, the better the heat dissipation performance of photocoupling. Using a radiator: adding a radiator for the optical coupling is an effective way to improve the heat dissipation effect. The radiator can quickly transmit the heat of the optical coupling to the surrounding environment. There are many kinds of radiator, such as aluminum radiator, fan radiator, etc. When selecting the radiator, it is necessary to choose according to the power consumption, working environment and other factors. Optimize the layout and wiring: in the circuit design, the optical coupling should be placed in a position easy to heat dissipation, to avoid the accumulation of excessive components. At the same time, the wiring should be optimized to reduce the loss and interference in the signal transmission process. Increase the air circulation: maintain the circulation of the air around the light coupling, which can improve the heat dissipation effect. Air circulation can be improved by adding air vents, fans and other measures. Use of thermal conductive materials: between the optical coupling and the radiator, between the optical coupling and the circuit board, the thermal conductive adhesive, the thermal conductive pad and other thermal conductive materials can be used to improve the heat conduction efficiency. Limit working current: Reducing the.
Â
4. How to improve the photocoupled air circulation to enhance the heat dissipation?
Improving photocoupled air circulation to enhance heat dissipation can be achieved in several ways:
Add vents: Add vents to the equipment or cabinet where the optical coupling is located to improve air circulation. The vents shall be set at the top and bottom of the equipment as far as possible to form convection. At the same time, avoid piling up goods near the vents to ensure smooth air circulation. Install fan: Install fans inside the equipment to enhance air circulation. The installation position of the fan should be as close as possible to improve the heat dissipation effect. At the same time, the running state of the fan should be checked regularly to ensure its normal operation. Use heat conduction fan: heat conduction fan is a kind of fan with heat dissipation function, it can quickly take away the heat of light coupling in the process of work, improve the heat dissipation effect. When selecting heat conduction fan, it should be made according to the power.
Â
http://www.royal-tr.com/