Overview
The SMAJ58CA-TR, manufactured by STMicroelectronics, is a Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from electrostatic discharges and electrical overstress. This device is part of the SMAJ series, which is known for its high reliability and stability in high-end circuits. The SMAJ58CA-TR is specifically engineered to handle surges below 600 W (10/1000 μs) and is compliant with IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883, method 3015 standards.
Key Specifications
| Parameter | Value |
|---|---|
| Peak Pulse Power (10/1000 μs) | 400 W |
| Peak Pulse Power (8/20 μs) | 2.3 kW |
| Reverse Stand-off Voltage (VRM) | 58 V |
| Breakdown Voltage (VBR) | 64.4 V (min), 71.2 V (max) |
| Clamping Voltage (VC) | 93.6 V |
| Peak Pulse Current (IPP) | 19 A (8/20 μs) |
| Leakage Current (IR) | 0.2 µA at 25 °C, 1 µA at 85 °C |
| Operating Junction Temperature | -55 °C to 150 °C |
| Package | DO-214AC, SMA |
| Directionality | Bidirectional |
Key Features
- Halogen-free and RoHS compliant
- Low profile package with built-in strain relief
- Glass passivated junction for high reliability
- Low leakage current and high junction temperature capability
- Excellent clamping capability and fast response time
- Low inductance and suitable for surface mount applications to optimize board space
- JEDEC registered package outline
Applications
The SMAJ58CA-TR is designed for general-purpose protection in a variety of applications, including:
- Protection against electrostatic discharges (ESD) and electrical overstress (EOS)
- Surge protection in power supplies and electronic circuits
- High-reliability systems requiring low leakage current and high junction temperature stability
- Surface mount applications where board space is limited
Q & A
- What is the peak pulse power of the SMAJ58CA-TR?
The peak pulse power of the SMAJ58CA-TR is 400 W (10/1000 μs) and 2.3 kW (8/20 μs).
- What is the reverse stand-off voltage of the SMAJ58CA-TR?
The reverse stand-off voltage (VRM) is 58 V.
- What is the breakdown voltage range of the SMAJ58CA-TR?
The breakdown voltage (VBR) ranges from 64.4 V (min) to 71.2 V (max).
- What is the clamping voltage of the SMAJ58CA-TR?
The clamping voltage (VC) is 93.6 V.
- What is the operating junction temperature range of the SMAJ58CA-TR?
The operating junction temperature range is from -55 °C to 150 °C.
- Is the SMAJ58CA-TR RoHS compliant?
Yes, the SMAJ58CA-TR is RoHS compliant and halogen-free.
- What type of package does the SMAJ58CA-TR use?
The SMAJ58CA-TR is packaged in a DO-214AC, SMA footprint.
- What is the directionality of the SMAJ58CA-TR?
The SMAJ58CA-TR is a bidirectional TVS diode.
- What are the key applications of the SMAJ58CA-TR?
The SMAJ58CA-TR is used for general-purpose protection against ESD and EOS, surge protection, and in high-reliability systems.
- Does the SMAJ58CA-TR have built-in strain relief?
Yes, the SMAJ58CA-TR has a low profile package with built-in strain relief.
- What is the typical leakage current of the SMAJ58CA-TR?
The typical leakage current is 0.2 µA at 25 °C and 1 µA at 85 °C.
