Overview
The TLP127, produced by Toshiba Semiconductor and Storage, is a photocoupler with a Darlington transistor output. This component is designed for surface mount assembly and features a compact mini flat SOP package. It consists of a gallium arsenide infrared emitting diode optically coupled to a Darlington photo transistor with an integral base-emitter resistor. Although the TLP127 is shortly to be discontinued, it remains a significant component in various industrial and communication applications.
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 @1 minute (Min) | BVS | 2500 | Vrms |
| Current Transfer Ratio (Min) | CTR | 1000% | % |
| Forward Voltage | Vf | 1.3 | V |
| Maximum Collector Emitter Saturation Voltage | VCE(sat) | 1.2 | V |
| Power Dissipation | Pd | 200 | mW |
| Package | 4-pin MFSOP6 | ||
| Mounting | Surface Mount | ||
| Dimensions (mm) | 3.6 × 7.0 × 2.5 |
Key Features
- Compact Package: The TLP127 comes in a mini flat SOP package, making it suitable for surface mount assembly and ideal for space-constrained designs.
- High Isolation Voltage: Offers a minimum isolation voltage of 2500 Vrms, ensuring high electrical isolation between the input and output.
- Darlington Transistor Output: Features a Darlington photo transistor with an integral base-emitter resistor, providing high current gain and low output impedance.
- Wide Operating Temperature Range: Operates over a temperature range of -55°C to 100°C, making it suitable for various environmental conditions.
- UL and VDE Approved: Compliant 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).
Applications
- Communication Interfaces: Used in communication interfaces for reliable data transmission.
- Programmable Controllers (PLCs): Suitable for use in PLCs due to its high isolation voltage and robust performance.
- Telecommunication Systems: Employed in telecommunication systems where high electrical isolation and reliability are crucial.
- Industrial Control Systems: Ideal for industrial control systems requiring high current gain and low output impedance.
Q & A
- What is the collector-emitter voltage rating of the TLP127?
The collector-emitter voltage rating of the TLP127 is 300 V.
- What is the maximum collector current of the TLP127?
The maximum collector current of the TLP127 is 150 mA.
- What is the isolation voltage of the TLP127?
The isolation voltage of the TLP127 is a minimum of 2500 Vrms.
- What is the current transfer ratio of the TLP127?
The current transfer ratio of the TLP127 is a minimum of 1000%.
- What are the operating temperature limits of the TLP127?
The TLP127 operates over a temperature range of -55°C to 100°C.
- Is the TLP127 RoHS compliant?
Please contact Toshiba for RoHS compliance details.
- What safety standards does the TLP127 comply with?
The TLP127 complies with UL 1577, cUL (CSA Component Acceptance Service No. 5A), EN 60747-5-5 (VDE), and EN IEC 62368-1 (VDE).
- What is the package type and dimensions of the TLP127?
The TLP127 comes in a 4-pin MFSOP6 package with dimensions of 3.6 × 7.0 × 2.5 mm.
- Why is the TLP127 being discontinued, and what are the recommended replacement parts?
The TLP127 is being discontinued. For new designs, the TLP187 is recommended as a replacement due to its similar package and characteristics.
- How should the TLP127 be handled during transportation to ensure it remains intact?
The TLP127 should be packaged in anti-static bags to ensure ESD anti-static protection, and the outer packaging should have exceptional durability and sealing.
