Overview
The SMAJ33CA-TR is a Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. This device is designed to protect sensitive electronic equipment from electrostatic discharges and electrical overstress. It is part of the SMAJ series, which is known for its high reliability and stability in high-end applications. The SMAJ33CA-TR is particularly suited for environments where low leakage current and high junction temperature are critical, making it ideal for use in high-end circuits and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation | 400 W | (10/1000 μs) |
| Stand-off Voltage | 33 V | |
| Breakdown Voltage | 36.7 - 38.6 V | |
| Clamping Voltage | 69.7 V | |
| Leakage Current | 0.2 μA | (at 25°C) |
| Operating Temperature Range | -55°C to 150°C | |
| Package Type | SMA (DO-214AC) | |
| Number of Pins | 2 | |
| Mounting Type | Surface Mount | |
| RoHS Compliance | Yes |
Key Features
- High Peak Pulse Power Dissipation: 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.
- Bidirectional Protection: Protects against both positive and negative surges.
- High Operating Junction Temperature: Up to 150°C, ensuring reliability in high-temperature environments.
- Compliance with Standards: Meets IEC 61000-4-2, MIL STD 883, method 3015, and IEC 61000-4-4 and 5 standards for electrostatic discharge and electrical overstress protection.
- JEDEC Registered Package Outline: SMA (DO-214AC) package, compliant with IPC 7531 standard.
Applications
The SMAJ33CA-TR TVS diode is widely used in various applications where protection against transient voltages and electrostatic discharges is crucial. These include:
- High-End Electronic Equipment: Protects sensitive components in high-end electronic devices from transient voltages and ESD.
- Switch-Mode Power Supplies (SMPS): Ensures reliability and stability in SMPS by protecting against electrical overstress and surges.
- Automotive and Industrial Systems: Used in automotive and industrial systems to protect against transient voltages and ESD, ensuring the longevity of the equipment.
- Telecommunication Systems: Protects telecommunication equipment from electrical surges and ESD, maintaining system reliability.
Q & A
- What is the peak pulse power dissipation of the SMAJ33CA-TR?
The peak pulse power dissipation of the SMAJ33CA-TR is 400 W (10/1000 μs) and 2.3 kW (8/20 μs). - What is the stand-off voltage of the SMAJ33CA-TR?
The stand-off voltage of the SMAJ33CA-TR is 33 V. - What is the breakdown voltage range of the SMAJ33CA-TR?
The breakdown voltage range is between 36.7 V and 38.6 V. - What is the clamping voltage of the SMAJ33CA-TR?
The clamping voltage is 69.7 V. - What is the leakage current of the SMAJ33CA-TR at 25°C?
The leakage current at 25°C is 0.2 μA. - What is the operating temperature range of the SMAJ33CA-TR?
The operating temperature range is from -55°C to 150°C. - Is the SMAJ33CA-TR RoHS compliant?
Yes, the SMAJ33CA-TR is RoHS compliant. - What type of package does the SMAJ33CA-TR use?
The SMAJ33CA-TR uses an SMA (DO-214AC) package. - How many pins does the SMAJ33CA-TR have?
The SMAJ33CA-TR has 2 pins. - What are the common applications of the SMAJ33CA-TR?
The SMAJ33CA-TR is commonly used in high-end electronic equipment, SMPS, automotive and industrial systems, and telecommunication systems).
