Overview
The TLP521-4X is a high-performance optically coupled isolator produced by Isocom Components 2004 LTD. This component is part of the TLP521 series, which includes infrared light emitting diodes and NPN silicon photo transistors packaged in a space-efficient dual in-line plastic package. The TLP521-4X is specifically designed for applications requiring high electrical isolation and fast signal transmission.
Isocom Components, a leading manufacturer of high-performance infrared optoelectronic devices, ensures that the TLP521-4X meets stringent industry standards, including UL, VDE, and CECC approvals. The company is known for its superior customer service, short production lead times, and high-quality products.
Key Specifications
| Parameter | Min | Typ | Max | Units | Test Condition |
|---|---|---|---|---|---|
| Input Forward Voltage (VF) | 1.0 | 1.15 | 1.3 | V | IF = 10mA |
| Reverse Current (IR) | 10 | µA | VR = 4V | ||
| Collector-emitter Breakdown (BVCEO) | 55 | V | IC = 0.5mA | ||
| Emitter-collector Breakdown (BVECO) | 6 | V | IE = 100µA | ||
| Collector-emitter Dark Current (ICEO) | 100 | nA | VCE = 20V | ||
| Coupled Current Transfer Ratio (CTR) | 50% | 600% | % | 5mA IF, 5V VCE | |
| Input to Output Isolation Voltage (VISO) | 5300 | 7500 | Vrms, Vpk | ||
| Response Time (Rise), tr | 4 | µs | VCE = 2V | ||
| Response Time (Fall), tf | 3 | µs | IC = 2mA, RL = 100Ω | ||
| Operating Temperature | -30 | 100 | °C | ||
| Number of Channels | 4 | ||||
| Package / Case | 16-DIP (0.300", 7.62mm) |
Key Features
- High Isolation Voltage: Up to 5300Vrms and 7500Vpk, ensuring robust electrical isolation.
- High Current Transfer Ratio: Minimum of 50% and maximum of 600% at 5mA, providing reliable signal transmission.
- Fast Switching Speed: Rise time of 4µs and fall time of 3µs, enabling efficient signal processing.
- Wide Operating Temperature Range: From -30°C to 100°C, supporting diverse environmental conditions.
- Multiple Channels: Four independent optoisolator channels in a single package, saving space and enhancing functionality.
- Through-Hole Mounting: 16-pin DIP package for easy integration into various systems.
- Industry Approvals: Compliant with UL, VDE, and CECC standards, ensuring high-quality and reliability.
Applications
- Industrial Control Systems: Ideal for applications requiring high electrical isolation and fast signal transmission.
- Power Supplies: Suitable for power supply designs where high isolation and reliability are critical.
- Computer Terminals: Used in computer terminals and other electronic devices needing signal isolation.
- Measuring Instruments: Applied in measuring instruments to ensure accurate and isolated signal transmission).
- Signal Transmission Between Different Potentials and Impedances: Effective in systems where signals need to be transmitted between different voltage levels and impedances).
Q & A
- What is the TLP521-4X used for?
The TLP521-4X is used for applications requiring high electrical isolation and fast signal transmission, such as industrial control systems, power supplies, and measuring instruments).
- What is the isolation voltage of the TLP521-4X?
The TLP521-4X has an isolation voltage of up to 5300Vrms and 7500Vpk).
- How many channels does the TLP521-4X have?
The TLP521-4X has four independent optoisolator channels).
- What is the operating temperature range of the TLP521-4X?
The operating temperature range is from -30°C to 100°C).
- What is the typical rise and fall time of the TLP521-4X?
The typical rise time is 4µs and the fall time is 3µs).
- Is the TLP521-4X compliant with industry standards?
Yes, it is compliant with UL, VDE, and CECC standards).
- What is the package type of the TLP521-4X?
The TLP521-4X is packaged in a 16-pin DIP (0.300", 7.62mm) format).
- Can the TLP521-4X be used in through-hole mounting?
Yes, it is designed for through-hole mounting).
- What is the minimum current transfer ratio of the TLP521-4X?
The minimum current transfer ratio is 50% at 5mA).
- Is custom electrical selection available for the TLP521-4X?
Yes, custom electrical selections are available on request).
