Overview
The DA112S1RL is a Transient Voltage Suppressor (TVS) diode array produced by STMicroelectronics. This component is designed to protect signal lines from transient overvoltages, making it an essential part of various electronic systems. The DA112S1RL is configured as an array of 12 diodes, each cell consisting of two diodes, which are used to clamp transient voltages and protect the signal lines.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VRRM (Repetitive peak reverse voltage) | 18 | V |
| IPP (Repetitive peak forward current) | 12 | A (tp = 8/20 µs) |
| P (Power dissipation) | 0.73 | W |
| Tstg (Storage temperature range) | -55 to +150 | °C |
| Tj (Operating junction temperature range) | -55 to +150 | °C |
| TL (Maximum lead temperature for soldering during 10 s) | 260 | °C |
| Rth (j-a) (Junction to ambient thermal resistance) | 170 | °C/W |
| VFP (Peak forward voltage) | 12 | V (IPP = 12 A, tp = 8/20 µs) |
| VF (Forward voltage) | 1.2 | V (IF = 50 mA) |
| IR (Reverse leakage current) | 2 | µA (VR = 15 V) |
Key Features
- Array of 12 diodes configured in cells of two diodes each to protect signal lines from transient overvoltages.
- Low input capacitance, making it suitable for digital line protection.
- Complies with IEC 61000-4-2 Level 4 standards for electrostatic discharge (ESD) protection – 15kV (air discharge) and 8kV (contact discharge).
- Maximum voltage of each diode is 18 V, allowing for a maximum input voltage range between two I/Os of either 0 V to 18 V or -9 V to +9 V.
- ECOPACK® packaging, which is lead-free and meets environmental requirements.
Applications
- Protection of the logic side of ISDN S-interfaces.
- Protection of I/O lines of microcontrollers.
- Signal conditioning in various electronic systems.
Q & A
- What is the DA112S1RL used for?
The DA112S1RL is used to protect signal lines from transient overvoltages in electronic systems.
- How many diodes are in the DA112S1RL array?
The DA112S1RL array consists of 12 diodes.
- What is the maximum repetitive peak reverse voltage (VRRM) of the DA112S1RL?
The maximum VRRM is 18 V.
- What are the storage and operating temperature ranges for the DA112S1RL?
The storage temperature range is -55 to +150 °C, and the operating junction temperature range is also -55 to +150 °C.
- Does the DA112S1RL comply with any specific ESD protection standards?
Yes, it complies with IEC 61000-4-2 Level 4 standards for ESD protection.
- What is the typical forward voltage (VF) of the DA112S1RL?
The typical forward voltage is 1.2 V at IF = 50 mA.
- What is the maximum lead temperature for soldering the DA112S1RL?
The maximum lead temperature for soldering during 10 seconds is 260 °C.
- What type of packaging does the DA112S1RL come in?
The DA112S1RL comes in SO-8 packaging and is available in tape and reel or tube packaging options.
- Is the DA112S1RL suitable for digital line protection?
Yes, it is suitable for digital line protection due to its low input capacitance.
- What are some common applications of the DA112S1RL?
Common applications include protection of ISDN S-interfaces, protection of microcontroller I/O lines, and signal conditioning.
