Texas Instruments ESD562/ESD562-Q1 ESD Protection Diode
Texas Instruments ESD562/ESD562-Q1 Bi-Directional ESD Protection Diode is for RS-485 and RS-422 interface protection. The ESD562/ESD562-Q1 is rated to dissipate ESD strikes beyond the maximum level specified in the IEC 61000-4-2 international standard (±22kV Contact, ±30kV Air-gap). The device can clamp 8/20µs surges with peak pulse currents up to 3A in accordance with the IEC 61000-4-5 standard.
This device features a 1.5pF (typical) IO capacitance, enabling high-speed interface protection. The low clamping voltage in the positive and negative directions helps protect systems against transient events. This protection is critical in industrial systems, which require a high level of robustness and reliability. The Texas Instruments ESD562/ESD562-Q1 is available in a small leaded SOT-23 (DBZ) package. The ESD562-Q1 devices are AEC-Q100 qualified for automotive applications.
Features
- IEC 61000-4-5 surge protection
- 3.5A (8/20µs)
- IEC 61000-4-2 ESD protection
- ±22kV contact discharge
- ±30kV air gap discharge
- 12V working voltage
- IO capacitance
- 1.5pF (typical)
- Bidirectional polarity to support positive and negative voltage swings
- A two-channel device provides complete ESD protection with a single component
- Small, leaded SOT-23 allows low-cost automatic optical inspection (AOI)
Applications
- End equipment
- Factory automation and control
- Building automation
- Grid infrastructure
- HVAC systems
- Security systems
- Interfaces
- RS-485
- RS-422
Typical Application Schematic
Related Development Tool
Texas Instruments ESDEVM Evaluation Module (EVM)
Comes with all traditional ESD footprints in order to be able to test any number of devices.
Published: 2024-04-16
| Updated: 2025-05-15