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TLP521-2

Name: TLP521-2
Rating: 4.7 (12 reviews)

OPTOISOLTR 5.3KV 2CH TRANS 8-DIP

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資料表 TLP521-2 DataSheet
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規格

Series	TLP521-2
Part Status	Active
Number of Channels	2
Voltage - Isolation	5300Vrms
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)	55V
Current - Output / Channel	50mA
Voltage - Forward (Vf) (Typ)	1.15V
Current - DC Forward (If) (Max)	50 mA
Vce Saturation (Max)	400mV
Operating Temperature	-30°C ~ 100°C
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-DIP

概述

Description

The TLP521-2 is an optoisolator (optocoupler) designed to provide electrical isolation between its input and output while allowing signal transmission. It features an infrared LED (light-emitting diode) on the input side and a phototransistor on the output side, enabling signal transfer via light rather than direct electrical connection.
Key specifications include a wide input current range (typically 5-20 mA), a low output collector-emitter saturation voltage, and a high isolation voltage (up to 5,000 Vrms), which ensures safety in high-voltage applications. The TLP521-2 is suitable for various applications such as signal isolation, switching, and interfacing between different voltage levels in circuits.
It is commonly used in industrial automation, data communication, and power supply circuits, providing protection against voltage spikes while ensuring reliable operation. The compact package and robust performance make it a popular choice among designers for applications requiring isolation and noise immunity.

Features

The TLP521-2 is an optocoupler featuring a phototransistor output. Key features include:
1. Isolation Voltage: Provides electrical isolation up to 5000 Vrms, ensuring safety in high-voltage applications.
2. Forward Current: Maximum forward current of 50 mA, allowing for flexible interfacing with various circuits.
3. Collector-Emitter Voltage: Supports a maximum voltage of 80 V, suitable for a range of applications.
4. High Speed: Switching speeds up to 1 MHz, making it suitable for digital signal transmission.
5. Compact Package: Available in a 4-pin DIP (Dual In-line Package) format, facilitating easy integration into circuit designs.
6. Low Input Current: Requires a low input current for operation, enhancing efficiency and reducing power consumption.
7. Temperature Range: Operates within a wide temperature range (-40°C to +100°C), ensuring reliability in diverse environments.
These features make the TLP521-2 ideal for applications in data communication, industrial automation, and control systems.

Package

The TLP521-2 is packaged in a 6-pin DIP (Dual In-line Package) configuration. This package type allows for easy mounting on PCBs and provides sufficient space for the optocoupler's components.

Pinout

The TLP521-2 is an opto-isolator with a 4-pin configuration. The pin assignments and their functions are as follows:
1. Anode (A): Connects to the LED input. This is the positive side of the LED.
2. Cathode (K): Connects to the LED input. This is the negative side of the LED.
3. Collector (C): Connects to the phototransistor output. This is the collector terminal of the phototransistor.
4. Emitter (E): Connects to ground or the negative side of the transistor output. This is the emitter terminal of the phototransistor.
The TLP521-2 is designed for electrical isolation between its input and output, making it suitable for various applications where signal isolation is critical. It typically features a forward current of 20 mA for the LED and supports up to 50 mA of collector current in the phototransistor, with a maximum isolation voltage of 5000 VRMS.

Manufacturer

The TLP521-2 is manufactured by Toshiba Electronic Devices & Storage Corporation, a subsidiary of Toshiba Corporation. Toshiba is a multinational conglomerate based in Japan, known for its diverse range of products and services, including electronics, semiconductors, storage solutions, and more. The company operates in various sectors, such as information technology, consumer electronics, and energy systems. Toshiba is recognized for its innovation in technology and has a significant presence in the global market, producing components like optoisolators, which include the TLP521-2, commonly used in electronic circuits for signal isolation.

Application

The TLP521-2 is an optocoupler used in various application areas, including industrial automation, data communication, and power supply systems. It serves to isolate different circuit sections, protect sensitive components, and facilitate signal transmission in environments with high voltage or noise. Common uses include switching power supplies, microcontroller interfacing, and alarm systems. Its dual-channel feature also enables efficient signal transfer in complex control systems.

Equivalent

Equivalent products to the TLP521-2 include the PC817, H11B1, and MOC3063. These optoisolators offer similar electrical characteristics for signal isolation in various applications. Always verify specifications like voltage, current ratings, and package types to ensure compatibility.