Overview
The TPI8011NRL is a bidirectional tripolar protection device manufactured by STMicroelectronics. It is specifically designed for protecting ISDN interfaces and high-speed data telecom lines. This component offers a unique combination of surge protection and low capacitance, making it ideal for applications requiring high-speed transmission without signal attenuation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Current (IPP) | 30 A (10/1000 µs), 40 A (5/310 µs), 90 A (2/10 µs) | A |
| Stand-off Voltage (VRM) | 80 V | V |
| Breakdown Voltage (VBR) | 110 V | V |
| Breakover Voltage (VBO) | 120 V | V |
| Leakage Current (IRM) | 1 µA | µA |
| Breakover Current (IBO) | 800 mA | mA |
| Holding Current (IH) | 150 mA | mA |
| Forward Voltage Drop (VF) | - | V |
| Capacitance | 45 pF (max.) | pF |
| Package | SO-8 | - |
| Storage Temperature Range | -55 to 150 °C | °C |
| Maximum Junction Temperature | 150 °C | °C |
| Maximum Lead Temperature for Soldering | 260 °C (for 10 s) | °C |
Key Features
- Bidirectional Triple Crowbar Protection: Provides protection against both positive and negative surges in differential and common modes.
- Low Dynamic Breakover Voltage: Ensures consistent protection levels without significant voltage drops.
- Low Capacitance: Allows for high-speed transmission without signal attenuation, with a maximum capacitance of 45 pF.
- Good Capacitance Balance: Ensures longitudinal balance between lines, which is crucial for high-speed data transmission.
- Compliance with Standards: Meets various standards including CCITT K17-K20, VDE 0433, VDE 0878, and IEC 61000-4-2 level 4.
- Reliable Protection Against Fast Transients: The “4-point” configuration eliminates overvoltages generated by parasitic inductances of the wiring.
- ECOPACK® Packages: Lead-free second level interconnect, meeting environmental requirements and marked according to JEDEC Standard JESD97.
Applications
- ISDN Interfaces: Designed specifically for protecting ISDN interfaces from surge currents and overvoltages.
- High-Speed Data Telecom Lines: Suitable for protecting high-speed data transmission lines where low capacitance and balanced behavior are essential.
- Telecom Equipment: Used in various telecom equipment to ensure reliable and uninterrupted service by protecting against electrical surges.
Q & A
- What is the TPI8011NRL used for?
The TPI8011NRL is used for protecting ISDN interfaces and high-speed data telecom lines from electrical surges and overvoltages.
- What is the peak pulse current rating of the TPI8011NRL?
The peak pulse current rating is 30 A for a 10/1000 µs pulse, 40 A for a 5/310 µs pulse, and 90 A for a 2/10 µs pulse.
- What is the breakdown voltage of the TPI8011NRL?
The breakdown voltage (VBR) is 110 V.
- What package type does the TPI8011NRL come in?
The TPI8011NRL comes in an SO-8 package.
- What are the storage temperature range and maximum junction temperature for the TPI8011NRL?
The storage temperature range is -55 to 150 °C, and the maximum junction temperature is 150 °C.
- Does the TPI8011NRL meet any specific standards?
Yes, it meets standards such as CCITT K17-K20, VDE 0433, VDE 0878, and IEC 61000-4-2 level 4.
- How does the TPI8011NRL handle fast transient overvoltages?
The “4-point” configuration of the TPI8011NRL eliminates overvoltages generated by parasitic inductances of the wiring, ensuring reliable protection against fast transient overvoltages.
- What is the significance of the ECOPACK® packaging?
The ECOPACK® packaging is lead-free and meets environmental requirements, marked according to JEDEC Standard JESD97.
- What is the maximum capacitance of the TPI8011NRL?
The maximum capacitance is 45 pF.
- How should the pins of the TPI8011NRL be connected for optimal performance?
Pins 2, 3, 6, and 7 should be connected to ground to guarantee good surge current capability for long duration disturbances.
