Overview
The SMAJ26A-TR is a surface mount Transil diode from STMicroelectronics, designed to protect sensitive equipment against various types of transient overvoltages. This device is part of the SMAJ series, which is engineered to safeguard electronics from electrostatic discharges (ESD) according to IEC 61000-4-2 and MIL STD 883, method 3015, as well as electrical overstress according to IEC 61000-4-4 and 5.
Key Specifications
| Parameter | Value |
|---|---|
| Peak Pulse Power (10/1000 μs) | 400 W |
| Peak Pulse Power (8/20 μs) | 2.3 kW |
| Stand-off Voltage (VRM) | 26 V |
| Leakage Current at 25 °C | 0.2 µA |
| Leakage Current at 85 °C | 1 µA |
| Operating Junction Temperature (Tj) | -55 °C to 150 °C |
| Package | SMA (SMA footprint in accordance with IPC 7531 standard) |
| Directionality | Unidirectional |
| RoHS Compliance Grade | Ecopack2 |
Key Features
- High peak pulse power capability: 400 W (10/1000 μs) and 2.3 kW (8/20 μs).
- Low leakage current: 0.2 µA at 25 °C and 1 µA at 85 °C.
- High operating junction temperature: up to 150 °C.
- Unidirectional and bidirectional types available (though SMAJ26A-TR is unidirectional).
- JEDEC registered package outline and SMA footprint in accordance with IPC 7531 standard.
- Compliant with RoHS and Ecopack2 standards.
Applications
The SMAJ26A-TR is suitable for a variety of applications where protection against transient overvoltages is crucial. These include:
- Protection of sensitive electronic equipment from electrostatic discharges (ESD) and electrical overstress.
- Surge protection in high-reliability circuits where low leakage current and high junction temperature are required.
- Use in automotive, industrial, and consumer electronics where transient voltage suppression is necessary.
Q & A
- What is the peak pulse power of the SMAJ26A-TR?
The peak pulse power of the SMAJ26A-TR is 400 W (10/1000 μs) and 2.3 kW (8/20 μs).
- What is the stand-off voltage of the SMAJ26A-TR?
The stand-off voltage (VRM) of the SMAJ26A-TR is 26 V.
- What is the leakage current of the SMAJ26A-TR at 25 °C and 85 °C?
The leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
- What is the operating junction temperature range of the SMAJ26A-TR?
The operating junction temperature range is -55 °C to 150 °C.
- What package type is used for the SMAJ26A-TR?
The SMAJ26A-TR is packaged in an SMA footprint in accordance with IPC 7531 standard.
- Is the SMAJ26A-TR RoHS compliant?
Yes, the SMAJ26A-TR is RoHS compliant with an Ecopack2 grade.
- What are the primary standards that the SMAJ26A-TR complies with for ESD protection?
The SMAJ26A-TR complies with IEC 61000-4-2 and MIL STD 883, method 3015 for ESD protection.
- Can the SMAJ26A-TR be used in high-reliability circuits?
Yes, the SMAJ26A-TR is suitable for high-reliability circuits due to its low leakage current and high junction temperature capabilities.
- What types of applications can the SMAJ26A-TR be used in?
The SMAJ26A-TR can be used in automotive, industrial, and consumer electronics where transient voltage suppression is necessary.
- Is the SMAJ26A-TR available in both unidirectional and bidirectional types?
The SMAJ series includes both unidirectional and bidirectional types, but the SMAJ26A-TR is specifically unidirectional.
