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LTV-817S
+StücklisteOPTOISOLATOR 5KV 1CH TRANS 4-SMD
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HerstellerLite-On Inc.
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Herstellerteil #LTV-817S
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Auf Lager8182
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Series | LTV-8x7 |
| Part Status | Active |
| Number of Channels | 1 |
| Voltage - Isolation | 5000Vrms |
| Current Transfer Ratio (Min) | 50% @ 5mA |
| Current Transfer Ratio (Max) | 600% @ 5mA |
| Rise / Fall Time (Typ) | 4µs, 3µs |
| Input Type | DC |
| Output Type | Transistor |
| Voltage - Output (Max) | 35V |
| Current - Output / Channel | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.2V |
| Current - DC Forward (If) (Max) | 50 mA |
| Vce Saturation (Max) | 200mV |
| Operating Temperature | -55°C ~ 110°C |
| Mounting Type | Surface Mount |
| Package / Case | 4-SMD, Gull Wing |
| Supplier Device Package | 4-SMD |
| Base Product Number | LTV-817 |
Übersicht
Description
This device is particularly useful in preventing high voltages from affecting the system receiving the signal, thereby enhancing safety and performance. Key applications include power supply regulation, microprocessor input/output isolation, and signal transmission in various electronic systems.
The LTV-817S is favored due to its compact design, reliability, and cost-effectiveness. It is available in a range of configurations to support different current transfer ratios and voltage requirements, making it versatile for use in consumer electronics, industrial applications, and more. Its ease of integration and wide availability make it a staple component in many electronic design projects.
Equivalent
1. EL817 Series (by Everlight)
2. PC817 Series (by Sharp, Lite-On)
3. TLP181 Series (by Toshiba)
4. H11A817 Series (by Vishay, Fairchild)
These components serve similar functions, providing electrical isolation between different parts of a circuit using an LED and a photodetector. Always verify the specific requirements such as current transfer ratio, voltage ratings, and other specifications for compatibility.
Features
1. High Isolation Voltage: Offers a typical isolation voltage of 5,000 VRMS, ensuring effective separation between input and output circuits.
2. Compact Package: Comes in a 4-pin DIP package, making it suitable for applications with limited space.
3. High-Speed Operation: Provides fast switching speeds, ideal for high-frequency signal isolation.
4. Wide Operating Temperature Range: Functions reliably in temperature ranges from -55°C to +100°C, making it versatile for various environments.
5. Low Input Current: Features low input current requirements, contributing to energy efficiency.
6. Phototransistor Output: Utilizes a phototransistor output, facilitating ease of integration into digital and analog applications.
7. UL and VDE Approved: Meets safety standards, ensuring reliability in critical applications.
The LTV-817S is commonly used in applications like power supply isolation, signal isolation in data communication, and interfacing between different voltage level devices. Its combination of compact size, high insulation voltage, and fast response time makes it a popular choice in industrial and consumer electronics.
Pinout
1. Pin 1 (Anode): This is the input pin connected to the anode side of the infrared LED. It is used to provide forward current to the LED.
2. Pin 2 (Cathode): This pin is the cathode of the LED and is used to complete the LED circuit by connecting to ground or a lower voltage potential compared to the anode.
3. Pin 3 (Emitter): This pin is one of the output pins connected to the phototransistor's emitter. It is typically connected to ground or the negative side of the output circuit.
4. Pin 4 (Collector): This pin is the other output pin connected to the phototransistor’s collector. It is used to connect to the power supply of the output side or the load that is being driven.
The LTV-817S provides electrical isolation between its input and output, making it useful for isolating high-voltage circuits from low-voltage control circuits.
Manufacturer
Application
1. Power Supply Isolation: Ensures safe separation between high and low voltage sections in power supply circuits.
2. Signal Isolation: Protects sensitive components by isolating them from high-voltage circuitry.
3. Microcontroller Interfacing: Facilitates communication between microcontrollers and high-voltage devices.
4. Switching Power Supplies: Provides feedback and isolation in switching power supply applications.
5. Telecommunication Equipment: Used in isolating and protecting communication circuits.
6. Industrial Automation: Ensures reliable operation and safety in industrial control systems.
These applications leverage the LTV-817S for its ability to provide isolation and signal coupling in varied electronic and electrical systems.