Overview
The TLP127, produced by Toshiba Semiconductor and Storage, is a photocoupler with a Darlington transistor output. This component is designed to provide electrical isolation between input and output circuits, enhancing safety and efficiency in various applications. The TLP127 is packaged in a 4-pin MFSOP6 surface mount format, making it suitable for compact and high-density designs. However, it is important to note that the TLP127 has been announced for end-of-life (EOL), and for new designs, the TLP187 is recommended as a replacement.
Key Specifications
| Characteristic | Symbol | Rating | Unit |
|---|---|---|---|
| Collector-emitter voltage | VCEO | 300 | V |
| Collector Current | IC | 0.15 | A |
| Operating Temperature | Topr | -55 to 100 | ℃ |
| Collector Emitter Saturation Voltage (Max) | VCE(sat) | 1.2 | V |
| Isolation voltage BVs @1minute (Min) | BVS | 2500 | Vrms |
| Current Transfer Ratio (Min) | CTR | 1000 | % |
| Forward voltage | VF | 1.0 to 1.3 | V |
| Reverse current | IR | 10 μA | A |
| LED Capacitance | CT | 30 pF | pF |
Key Features
- Darlington Transistor Output: The TLP127 features a Darlington transistor output, which provides high current gain and is suitable for driving high-current loads.
- High Isolation Voltage: It offers a high isolation voltage of 2500 Vrms, ensuring reliable electrical isolation between input and output circuits.
- Compact Package: The component is packaged in a 4-pin MFSOP6 surface mount format, making it ideal for space-constrained designs.
- Wide Operating Temperature Range: The TLP127 operates over a temperature range of -55°C to 100°C, making it suitable for a variety of environmental conditions.
- RoHS Compliance: The TLP127 is RoHS compliant, ensuring it meets environmental regulations.
Applications
The TLP127 is primarily used in communication interfaces and Programmable Logic Controllers (PLCs) where electrical isolation is crucial. Its high isolation voltage and Darlington transistor output make it suitable for applications requiring reliable and efficient signal transmission across isolated circuits.
Q & A
- What is the TLP127 and what is its primary function?
The TLP127 is a photocoupler with a Darlington transistor output, designed to provide electrical isolation between input and output circuits. - What is the package type of the TLP127?
The TLP127 is packaged in a 4-pin MFSOP6 surface mount format. - What are the key specifications of the TLP127?
Key specifications include a collector-emitter voltage of 300V, collector current of 0.15A, and an operating temperature range of -55°C to 100°C. - What is the isolation voltage of the TLP127?
The isolation voltage is 2500 Vrms. - Is the TLP127 RoHS compliant?
Yes, the TLP127 is RoHS compliant. - What are the recommended operating conditions for the TLP127?
The recommended operating conditions include a supply voltage up to 200V, forward current up to 25mA, and collector current up to 120mA. - What is the current transfer ratio of the TLP127?
The current transfer ratio (CTR) is a minimum of 1000%. - Why is the TLP127 being discontinued?
The TLP127 has been announced for end-of-life (EOL) and is being replaced by the TLP187 for new designs. - What safety standards does the TLP127 comply with?
The TLP127 complies with safety standards such as UL 1577, cUL (CSA Component Acceptance Service No. 5A), EN 60747-5-5 (VDE), and EN IEC 62368-1 (VDE). - What are the typical applications of the TLP127?
The TLP127 is typically used in communication interfaces and Programmable Logic Controllers (PLCs).
