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LTV-817S-TA1-A

Name: LTV-817S-TA1-A
Rating: 4.7 (12 reviews)

OPTOISOLATOR 5KV 1CH TRANS 4-SMD

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データシート LTV-817S-TA1-A DataSheet
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仕様

Series	LTV-8x7
Part Status	Active
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	80% @ 5mA
Current Transfer Ratio (Max)	160% @ 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

概要

Description

The LTV-817S-TA1-A is an optoisolator, specifically a phototransistor optocoupler, designed for signal isolation and transmission in electronic circuits. It features a gallium arsenide infrared LED and a phototransistor, allowing it to transmit signals while providing electrical isolation between input and output, which protects sensitive components from voltage spikes and noise.
Key specifications include a high isolation voltage (typically 5000 VRMS), a low input current for activation (around 10 mA), and a fast response time, making it suitable for various applications such as switching power supplies, microcontroller interfacing, and signal processing.
The LTV-817S-TA1-A is housed in a compact DIP-4 package, enabling easy integration into circuit boards. It's widely used in industrial and consumer electronics due to its reliability and efficiency in isolating different parts of a system.

Features

The LTV-817S-TA1-A is an optoisolator that features a phototransistor output coupled with a GaAs infrared LED. Key specifications include:
1. Isolation Voltage: Offers high isolation voltage, typically around 5000 Vrms, ensuring safety in high-voltage applications.
2. Current Transfer Ratio (CTR): Typically ranges between 50% to 600%, dependent on the input current, providing flexibility in signal transfer.
3. Forward Current: Maximum forward current for the LED is generally about 50 mA, allowing it to handle various input conditions.
4. Output Collector-Emitter Voltage: Maximum voltage rating is usually around 70 V, suitable for many control applications.
5. Package Type: Available in a compact DIP-4 package, making it easy to integrate into various electronic designs.
These features make the LTV-817S-TA1-A ideal for applications in signal isolation, data communication, and interfacing microcontrollers with high-voltage circuits.

Package

The LTV-817S-TA1-A is housed in a DIP-4 (Dual In-line Package) configuration. This package type features four pins and is commonly used for optocouplers, providing compact and easy integration into various electronic circuits.

Pinout

The LTV-817S-TA1-A is an optocoupler with a total of 4 pins. Its primary function is to provide electrical isolation between its input and output, typically used for signal transmission in various applications, including switching power supplies and data communication.
Pin Configuration:
1. Pin 1 (Anode of LED): Connects to the input side, where a current flows to turn on the internal LED.
2. Pin 2 (Cathode of LED): Connects to ground and completes the circuit for the LED.
3. Pin 3 (Collector of Phototransistor): Output pin that connects to the load or the next stage in the circuit.
4. Pin 4 (Emitter of Phototransistor): Connects to ground or a reference voltage to complete the circuit for the phototransistor.
The device also features high isolation voltage and fast response times, making it suitable for interfacing between different voltage levels while preventing direct electrical connections.

Manufacturer

The LTV-817S-TA1-A is manufactured by Lite-On Technology Corporation, a leading global provider of optoelectronic components and solutions. Founded in 1975 and headquartered in Taipei, Taiwan, Lite-On specializes in a variety of electronic products, including LEDs, photoelectric sensors, and optoisolators. The company serves various industries, including consumer electronics, telecommunications, and industrial applications. Lite-On is recognized for its commitment to innovation and quality, making it a prominent player in the electronics market.

Application

The LTV-817S-TA1-A is an optoisolator commonly used in various applications, including signal isolation, data communication, and interfacing between different voltage levels. It is ideal for switching power supplies, microcontroller interfacing, and in systems requiring electrical isolation, such as industrial automation, medical devices, and consumer electronics. Its compact design and high-speed performance make it suitable for applications in telecommunications and control systems.

Equivalent

The LTV-817S-TA1-A is an optocoupler. Equivalent products include the LTV-817, HCPL-817, MOC3063, and TLP-817. Always check the datasheet for specific characteristics like input current, isolation voltage, and output configuration to ensure compatibility.