Overview
The TPI8011N is a tripolar protection device designed by STMicroelectronics for ISDN interfaces and high-speed data telecom lines. This component is equivalent to a triple Trisil™ with low capacitance, ensuring high-speed transmission without signal attenuation. It features bidirectional triple crowbar protection, making it suitable for protecting against various types of surges and overvoltages in telecommunications systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Current (IPP) | 30 A | 10/1000 µs |
| Breakdown Voltage (VBR) | 120 V | |
| Breakover Voltage (VBO) | 170 V | |
| Leakage Current (IRM) | 1 µA | @ VRM |
| Holding Current (IH) | 150 mA | |
| Forward Voltage Drop (VF) | ||
| Capacitance (CA, CB) | 45 pF, 15 pF | max. |
| Package | SO-8 | |
| Storage Temperature Range | -55 to 150 °C | |
| Maximum Junction Temperature | 150 °C | |
| Maximum Lead Temperature for Soldering | 260 °C | for 10 s |
Key Features
- Bidirectional Triple Crowbar Protection: Provides protection against both positive and negative surges in differential and common modes.
- Low Capacitance: Ensures high-speed transmission without signal attenuation.
- Good Capacitance Balance: Maintains longitudinal balance between lines.
- Fixed Breakdown Voltage: Consistent breakdown voltage in both common and differential modes.
- Surge Current Capability: Same surge current capability in both common and differential modes.
- 4-Point Configuration: Eliminates overvoltages introduced by parasitic inductances of the wiring, especially for very fast transient overvoltages.
- Compliance with Standards: Complies with CCITT K17-K20, VDE 0433, VDE 0878, and IEC 61000-4-2 level 4 standards.
- ECOPACK® Package: Lead-free second level interconnect, meeting environmental requirements.
Applications
The TPI8011N is primarily used for protecting ISDN interfaces and high-speed data telecom lines. It is suitable for various telecommunications applications where protection against surges and overvoltages is critical. Specific application circuits include U interface protection and S interface protection, ensuring reliable and stable operation in these environments.
Q & A
- What is the primary function of the TPI8011N?
The TPI8011N provides bidirectional triple crowbar protection for ISDN interfaces and high-speed data telecom lines.
- What is the breakdown voltage of the TPI8011N?
The breakdown voltage of the TPI8011N is 120 V.
- What is the peak pulse current rating of the TPI8011N?
The peak pulse current rating is 30 A for a 10/1000 µs pulse.
- What package type is the TPI8011N available in?
The TPI8011N is available in an SO-8 package.
- Does the TPI8011N comply with any specific standards?
Yes, it complies with CCITT K17-K20, VDE 0433, VDE 0878, and IEC 61000-4-2 level 4 standards.
- What is the significance of the 4-point configuration in the TPI8011N?
The 4-point configuration helps eliminate overvoltages generated by parasitic inductances of the wiring, especially for very fast transient overvoltages.
- Is the TPI8011N environmentally friendly?
Yes, it is available in ECOPACK® packages, which are lead-free and meet environmental requirements.
- What is the maximum junction temperature for the TPI8011N?
The maximum junction temperature is 150 °C.
- How should the TPI8011N be connected for optimal performance?
Pins 2, 3, 6, and 7 should be connected to ground to ensure good surge current capability for long duration disturbances.
- What are the typical applications of the TPI8011N?
It is used for U interface protection and S interface protection in ISDN and high-speed data telecom lines.
