Overview
The TLP127, produced by Toshiba Semiconductor and Storage, is a photocoupler with a Darlington transistor output. This component is designed for enhanced safety and efficiency in various applications. It consists of a gallium arsenide infrared emitting diode optically coupled to a Darlington photo transistor with an integral base-emitter resistor. The TLP127 is suitable for surface mount assembly and features a small outline package, making it ideal for compact designs.
However, it is important to note that the TLP127 is shortly to be discontinued. For new designs, Toshiba recommends using the TLP187 as a replacement, which has similar package and characteristics.
Key Specifications
| Feature | Value | Unit |
|---|---|---|
| Collector-Emitter Voltage (VCEO) | 300 | V |
| Collector Current (IC) | 0.15 | A |
| Operating Temperature (Topr) | -55 to 100 | ℃ |
| Collector Emitter Saturation Voltage (VCE(sat)) | 1.2 | V |
| Isolation Voltage (BVs) | 2500 | Vrms |
| Current Transfer Ratio (CTR) | 1000% | % |
| Forward Voltage (Vf) | 1.3 | V |
| Forward Current (If) | 50 | mA |
| Package Type | SOP-4 (MFSOP6) | |
| Mounting Style | SMD/SMT | |
| Dimensions | 3.6 mm x 7.0 mm x 2.5 mm |
Key Features
- Darlington Output: The TLP127 features a Darlington photo transistor output, providing high current gain and low output saturation voltage.
- High Isolation Voltage: It offers an isolation voltage of 2500 Vrms, ensuring electrical isolation between the input and output circuits.
- Compact Package: The component is housed in a small outline package (SOP-4), making it suitable for surface mount assembly and compact designs.
- Wide Operating Temperature Range: The TLP127 operates over a temperature range of -55°C to 100°C, making it versatile for various environmental conditions.
- Safety Standards Compliance: The device is approved by several safety standards including UL 1577, cUL (CSA), EN 60747-5-5 (VDE), and EN IEC 62368-1 (VDE).
Applications
- Communication Interfaces: The TLP127 is used in communication interfaces to ensure electrical isolation and safety.
- Programmable Controllers (PLCs): It is commonly used in PLCs for industrial control systems where isolation between input and output is crucial.
- Telecommunication Equipment: The component is suitable for use in telecommunication equipment due to its high isolation voltage and reliability.
- DC-Output Modules: It is used in DC-output modules where a high current transfer ratio and low output saturation voltage are required.
Q & A
- What is the collector-emitter voltage (VCEO) of the TLP127?
The collector-emitter voltage (VCEO) of the TLP127 is 300 V.
- What is the current transfer ratio (CTR) of the TLP127?
The current transfer ratio (CTR) of the TLP127 is a minimum of 1000%.
- What is the isolation voltage of the TLP127?
The isolation voltage of the TLP127 is 2500 Vrms.
- What is the operating temperature range of the TLP127?
The operating temperature range of the TLP127 is -55°C to 100°C.
- What package type is the TLP127 available in?
The TLP127 is available in a SOP-4 (MFSOP6) package.
- Is the TLP127 RoHS compliant?
Please contact Toshiba for RoHS compliance details as it is not explicitly stated in the available sources.
- What are the safety standards that the TLP127 complies with?
The TLP127 is approved by UL 1577, cUL (CSA), EN 60747-5-5 (VDE), and EN IEC 62368-1 (VDE)).
- What is the recommended replacement for the TLP127 since it is being discontinued?
Toshiba recommends using the TLP187 as a replacement for the TLP127).
- What are the typical applications of the TLP127?
The TLP127 is typically used in communication interfaces, programmable controllers (PLCs), telecommunication equipment, and DC-output modules).
- What is the forward voltage (Vf) of the TLP127?
The forward voltage (Vf) of the TLP127 is 1.3 V).
